wireguard: WIP

Signed-off-by: Alejandro Mery <amery@jpi.io>

.vscode/settings.json

@@ -1,9 +0,0 @@
-{
-    "cSpell.words": [
-        "ceph",
-        "darvaza",
-        "gofrs",
-        "jpictl",
-        "zerolog"
-    ]
-}

cmd/jpictl/config.go

@@ -1,7 +1,5 @@
 package main
 
-import "git.jpi.io/amery/jpictl/pkg/zones"
-
 // Config describes the repository
 type Config struct {
 	Base   string
@@ -12,11 +10,3 @@ var cfg = &Config{
 	Base:   "./m",
 	Domain: "m.jpi.cloud",
 }
-
-// LoadZones loads all zones and machines in the config directory
-func (cfg *Config) LoadZones(resolve bool) (*zones.Zones, error) {
-	return zones.New(cfg.Base, cfg.Domain,
-		zones.ResolvePublicAddresses(resolve),
-		zones.WithLogger(log),
-	)
-}

cmd/jpictl/dump.go

@@ -2,76 +2,27 @@ package main
 
 import (
 	"bytes"
-	"encoding/json"
-	"io"
 	"os"
 
 	"github.com/burntSushi/toml"
 	"github.com/spf13/cobra"
-	"gopkg.in/yaml.v3"
+
+	"git.jpi.io/amery/jpictl/pkg/zones"
 )
 
-// Encoder represents an object that encodes another internally
-type Encoder interface {
-	Encode(any) error
-}
-
-// Encoding represents a type of [Encoder]
-type Encoding int
-
-const (
-	// TOMLEncoding represents TOML encoding
-	TOMLEncoding Encoding = iota
-	// JSONEncoding represents JSON encoding
-	JSONEncoding
-	// YAMLEncoding represents YAML encoding
-	YAMLEncoding
-)
-
-// NewJSONEncoder returns a JSON [Encoder] to work on the given [io.Writer]
-func NewJSONEncoder(w io.Writer) Encoder {
-	enc := json.NewEncoder(w)
-	enc.SetIndent(``, `  `)
-	return enc
-}
-
-// NewYAMLEncoder returns a YAML [Encoder] to work on the given [io.Writer]
-func NewYAMLEncoder(w io.Writer) Encoder {
-	enc := yaml.NewEncoder(w)
-	enc.SetIndent(2)
-	return enc
-}
-
-// NewTOMLEncoder returns a TOML [Encoder] to work on the given [io.Writer]
-func NewTOMLEncoder(w io.Writer) Encoder {
-	enc := toml.NewEncoder(w)
-	return enc
-}
-
-const encoding = YAMLEncoding
-
 // Command
 var dumpCmd = &cobra.Command{
 	Use:   "dump",
-	Short: "generates a text representation of the config",
+	Short: "generates a toml representation of the config",
 	RunE: func(_ *cobra.Command, _ []string) error {
 		var buf bytes.Buffer
-		var enc Encoder
 
-		m, err := cfg.LoadZones(true)
+		m, err := zones.New(cfg.Base, cfg.Domain)
 		if err != nil {
 			return err
 		}
 
-		switch encoding {
+		enc := toml.NewEncoder(&buf)
-		case JSONEncoding:
-			enc = NewJSONEncoder(&buf)
-		case YAMLEncoding:
-			enc = NewYAMLEncoder(&buf)
-		default:
-			enc = NewTOMLEncoder(&buf)
-		}
-
 		if err = enc.Encode(m); err != nil {
 			return err
 		}

cmd/jpictl/env.go

@@ -4,6 +4,8 @@ import (
 	"os"
 
 	"github.com/spf13/cobra"
+
+	"git.jpi.io/amery/jpictl/pkg/zones"
 )
 
 // Command
@@ -11,28 +13,15 @@ var envCmd = &cobra.Command{
 	Use:   "env",
 	Short: "generates environment variables for shell scripts",
 	RunE: func(_ *cobra.Command, _ []string) error {
-		m, err := cfg.LoadZones(false)
+		m, err := zones.New(cfg.Base, cfg.Domain)
 		if err != nil {
 			return err
 		}
 
-		env, err := m.Env(*envExport)
+		return m.WriteEnv(os.Stdout)
-		if err != nil {
-			return err
-		}
-		_, err = env.WriteTo(os.Stdout)
-		return err
 	},
 }
 
-// Command Flags
-var (
-	envExport *bool
-)
-
 func init() {
 	rootCmd.AddCommand(envCmd)
-
-	envExport = envCmd.PersistentFlags().BoolP("export", "e", false,
-		"export generated variables")
 }

cmd/jpictl/gateway.go

@@ -1,168 +0,0 @@
-package main
-
-import (
-	"bytes"
-	"fmt"
-	"os"
-	"strconv"
-	"strings"
-
-	"git.jpi.io/amery/jpictl/pkg/zones"
-	"github.com/spf13/cobra"
-)
-
-// Command
-var gatewayCmd = &cobra.Command{
-	Use:   "gateway",
-	Short: "gateway operates on ring0/ring1 gateways",
-}
-
-// gateway set
-var gatewaySetCmd = &cobra.Command{
-	Use:   "set",
-	Short: "gateway set sets machines as gateways",
-	RunE: func(_ *cobra.Command, args []string) error {
-		m, err := cfg.LoadZones(false)
-		if err != nil {
-			return err
-		}
-
-		for _, arg := range args {
-			err = gatewaySet(m, arg)
-			if err != nil {
-				return err
-			}
-		}
-		return nil
-	},
-}
-
-func gatewaySet(zi zones.ZoneIterator, gw string) error {
-	var err error
-	zi.ForEachZone(func(z *zones.Zone) bool {
-		for _, m := range z.Machines {
-			if m.Name == gw {
-				z.SetGateway(m.ID, true)
-				return true
-			}
-		}
-		err = fmt.Errorf("machine %s not found", gw)
-		return false
-	})
-	return err
-}
-
-// gateway unset
-var gatewayUnsetCmd = &cobra.Command{
-	Use:   "unset",
-	Short: "gateway unset sets machines as non-gateways",
-	RunE: func(_ *cobra.Command, args []string) error {
-		m, err := cfg.LoadZones(false)
-		if err != nil {
-			return err
-		}
-
-		for _, arg := range args {
-			err = gatewayUnset(m, arg)
-			if err != nil {
-				return err
-			}
-		}
-
-		return nil
-	},
-}
-
-func gatewayUnset(zi zones.ZoneIterator, ngw string) error {
-	var err error
-	zi.ForEachZone(func(z *zones.Zone) bool {
-		for _, m := range z.Machines {
-			if m.Name == ngw && m.IsGateway() {
-				z.SetGateway(m.ID, false)
-				m.RemoveWireguardConfig(0)
-				return true
-			}
-		}
-		err = fmt.Errorf("machine %s not found", ngw)
-		return false
-	})
-	return err
-}
-
-// gateway list
-var gatewayListCmd = &cobra.Command{
-	Use:   "list",
-	Short: "gateway list lists gateways",
-	RunE: func(_ *cobra.Command, args []string) error {
-		m, err := cfg.LoadZones(false)
-		if err != nil {
-			return err
-		}
-
-		switch {
-		case len(args) == 0:
-			return gatewayListAll(m)
-		default:
-			for _, arg := range args {
-				err = gatewayList(m, arg)
-				if err != nil {
-					return err
-				}
-			}
-			return nil
-		}
-	},
-}
-
-func gatewayListAll(zi zones.ZoneIterator) error {
-	var b bytes.Buffer
-	var err error
-	zi.ForEachZone(func(z *zones.Zone) bool {
-		b.WriteString(z.Name + ":")
-		var sIDs []string
-		ids, num := z.GatewayIDs()
-		if num == 0 {
-			err = fmt.Errorf("no gateway in zone %s", z.Name)
-			return false
-		}
-		for _, i := range ids {
-			sIDs = append(sIDs, strconv.Itoa(i))
-		}
-		b.WriteString(strings.Join(sIDs, ", "))
-		b.WriteString("\n")
-		_, err = b.WriteTo(os.Stdout)
-		return false
-	})
-	return err
-}
-
-func gatewayList(zi zones.ZoneIterator, m string) error {
-	var b bytes.Buffer
-	var err error
-	zi.ForEachZone(func(z *zones.Zone) bool {
-		if z.Name == m {
-			b.WriteString(z.Name + ":")
-			ids, num := z.GatewayIDs()
-			if num == 0 {
-				err = fmt.Errorf("no gateway in zone %s", z.Name)
-				return true
-			}
-
-			b.WriteString(fmt.Sprint(ids))
-			b.WriteString("\n")
-			_, err = b.WriteTo(os.Stdout)
-			return true
-		}
-		err = fmt.Errorf("zone %s not found", m)
-		return false
-	})
-	return err
-}
-
-func init() {
-	rootCmd.AddCommand(gatewayCmd)
-
-	gatewayCmd.AddCommand(gatewaySetCmd)
-	gatewayCmd.AddCommand(gatewayUnsetCmd)
-	gatewayCmd.AddCommand(gatewayListCmd)
-}

cmd/jpictl/log.go

@@ -7,7 +7,6 @@ import (
 	"darvaza.org/slog"
 )
 
-// TODO: make log level configurable via flags
 var (
 	log = zerolog.New(nil, slog.Debug)
 )

cmd/jpictl/write.go

@@ -1,23 +0,0 @@
-package main
-
-import (
-	"github.com/spf13/cobra"
-)
-
-// Command
-var writeCmd = &cobra.Command{
-	Use:   "write",
-	Short: "rewrites all config files",
-	RunE: func(_ *cobra.Command, _ []string) error {
-		m, err := cfg.LoadZones(false)
-		if err != nil {
-			return err
-		}
-
-		return m.SyncAll()
-	},
-}
-
-func init() {
-	rootCmd.AddCommand(writeCmd)
-}

go.mod

@@ -3,28 +3,21 @@ module git.jpi.io/amery/jpictl
 go 1.19
 
 require (
-	asciigoat.org/ini v0.2.5
+	darvaza.org/core v0.9.5
-	darvaza.org/core v0.9.8
+	darvaza.org/resolver v0.5.2
-	darvaza.org/resolver v0.5.4
+	darvaza.org/sidecar v0.0.0-20230721122716-b9c54b8adbaf
-	darvaza.org/sidecar v0.0.2
+	darvaza.org/slog v0.5.2
-	darvaza.org/slog v0.5.3
-	darvaza.org/slog/handlers/discard v0.4.5
 	github.com/burntSushi/toml v0.3.1
-	github.com/gofrs/uuid/v5 v5.0.0
+	github.com/mgechev/revive v1.3.2
-	github.com/hack-pad/hackpadfs v0.2.1
-	github.com/mgechev/revive v1.3.3
 	github.com/spf13/cobra v1.7.0
-	golang.org/x/crypto v0.12.0
 	gopkg.in/gcfg.v1 v1.2.3
-	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
-	asciigoat.org/core v0.3.9 // indirect
+	darvaza.org/slog/handlers/filter v0.4.4 // indirect
-	darvaza.org/slog/handlers/filter v0.4.5 // indirect
+	darvaza.org/slog/handlers/zerolog v0.4.4 // indirect
-	darvaza.org/slog/handlers/zerolog v0.4.5 // indirect
 	github.com/BurntSushi/toml v1.3.2 // indirect
-	github.com/chavacava/garif v0.1.0 // indirect
+	github.com/chavacava/garif v0.0.0-20230227094218-b8c73b2037b8 // indirect
 	github.com/fatih/color v1.15.0 // indirect
 	github.com/fatih/structtag v1.2.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
@@ -41,8 +34,8 @@ require (
 	github.com/spf13/pflag v1.0.5 // indirect
 	golang.org/x/mod v0.12.0 // indirect
 	golang.org/x/net v0.14.0 // indirect
-	golang.org/x/sys v0.12.0 // indirect
+	golang.org/x/sys v0.11.0 // indirect
-	golang.org/x/text v0.13.0 // indirect
+	golang.org/x/text v0.12.0 // indirect
 	golang.org/x/tools v0.12.0 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 )

go.sum

@@ -1,27 +1,21 @@
-asciigoat.org/core v0.3.9 h1:hgDDz4ecm3ZvehX++m8A/IzAt+B5oDPiRtxatzfUHPQ=
+darvaza.org/core v0.9.5 h1:sS5pZFwicaxJIQixEiqkMr9GknVHYL+EbKDMkR/4jDM=
-asciigoat.org/core v0.3.9/go.mod h1:CAaHwyw8MpAq4a1MYtN2dxJrsK+hmIdW50OndaQZYPI=
+darvaza.org/core v0.9.5/go.mod h1:O3tHBMlw+xB47uGh5CUx7dXAujBAMmD8BCRFPZmIw54=
-asciigoat.org/ini v0.2.5 h1:4gRIp9rU+XQt8+HMqZO5R7GavMv9Yl2+N+je6djDIAE=
+darvaza.org/resolver v0.5.2 h1:VjHhEr/MJBszeDb7tYlXQ9Bsyh4xrDR7Sd10WAmPD6k=
-asciigoat.org/ini v0.2.5/go.mod h1:gmXzJ9XFqf1NLk5nQkj04USQ4tMtdRJHNQX6vp3DzjU=
+darvaza.org/resolver v0.5.2/go.mod h1:fFvsVPEFeMzUIWlLG47Go/6uJYtRLb9R8HIgYg3uaxE=
-darvaza.org/core v0.9.8 h1:luLxgfUc2pzuusYPo/Z/dC/qr9XZPKpSQw8/kS7zNUM=
+darvaza.org/sidecar v0.0.0-20230721122716-b9c54b8adbaf h1:ya5ZQicBb/GWll3rlqra8No7oJXks7y1m/cJGYBypv4=
-darvaza.org/core v0.9.8/go.mod h1:Dbme64naxeshQfxcVJX9ZT7AiGyIY8kldfuELVtf8mw=
+darvaza.org/sidecar v0.0.0-20230721122716-b9c54b8adbaf/go.mod h1:by+bPsMa7Rxc/ZYG1qBunrtKocv/DkrPBmyFlmq/j2Q=
-darvaza.org/resolver v0.5.4 h1:dlSBNV14yYsp7Kg7ipwYOMNsLbrpeXa8Z0HBTa0Ryxs=
+darvaza.org/slog v0.5.2 h1:8TG1WyHjOyh2vW6t3pjzZVaWzpko5MIIpeI7LWqHFvs=
-darvaza.org/resolver v0.5.4/go.mod h1:vHMkQUmHjaetFqG2ZLZJiQHsXEMGoTOFGm+NXwfndhE=
+darvaza.org/slog v0.5.2/go.mod h1:HAkEpxTA/mkiLNUXJo5qsCh8EVCtA3evje8GAaCDWHI=
-darvaza.org/sidecar v0.0.2 h1:4H8FUxc43kkLjxdShN1CoxLTcoHQsZjDVwm7kt6eIK0=
+darvaza.org/slog/handlers/filter v0.4.4 h1:b2e2T9fQzMdJ0ia+f6b7kw9/T9GFwhFCKob/2tqhGGU=
-darvaza.org/sidecar v0.0.2/go.mod h1:yFC3Qt3j+uS7n9CMpLxwrA68z+FNJhENoenBc9zBJJo=
+darvaza.org/slog/handlers/filter v0.4.4/go.mod h1:cQlJWuolB6guLug09sX/8Zrzct++M6SPCGvXR37E7Cc=
-darvaza.org/slog v0.5.3 h1:sQzmZXgqRh9oFMKBwEYrEpucLvKJVZxaxa2bHIA6GJ0=
+darvaza.org/slog/handlers/zerolog v0.4.4 h1:OR1ASvH1fBCq3t85t4OU6oJPPuqMB1tsDoSpsh6HVJU=
-darvaza.org/slog v0.5.3/go.mod h1:59d+yi+C7gn4pDDuwbbOKawERpdXthFFk1Yc+Sv6XB0=
+darvaza.org/slog/handlers/zerolog v0.4.4/go.mod h1:t60TeEbFcMLo74CkXC2S0rKlnwF4ixZyBR4fqIJV1GE=
-darvaza.org/slog/handlers/discard v0.4.5 h1:RRykOItNolHyiUav57lG/GFBL33rcljoa0nWTpY+T0g=
-darvaza.org/slog/handlers/discard v0.4.5/go.mod h1:HYHfISQjMqcPbPoPZ92ib/u7s9JcXvF6OaygpPFwdF8=
-darvaza.org/slog/handlers/filter v0.4.5 h1:CX1bMzldd67e3y3s3Sh4jK8Lyo0WMvTGBB2lD315jhc=
-darvaza.org/slog/handlers/filter v0.4.5/go.mod h1:OuH9rHYg9CIErTJCZliMnFexBfP/HJ9PZ1V1VwSCZ1g=
-darvaza.org/slog/handlers/zerolog v0.4.5 h1:W4cgGORx4wImr+RL96CWSQGTdkZzKX6YHXPSYJvdoB4=
-darvaza.org/slog/handlers/zerolog v0.4.5/go.mod h1:mCoh/mIl8Nsa6Yu1Um7d7cos6RuEJzgaTXaX5LDRUao=
 github.com/BurntSushi/toml v1.3.2 h1:o7IhLm0Msx3BaB+n3Ag7L8EVlByGnpq14C4YWiu/gL8=
 github.com/BurntSushi/toml v1.3.2/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
 github.com/burntSushi/toml v0.3.1 h1:Hu1cOEC2qtKULZJCzym5tyA35bZr3HREuolgiAzMlhY=
 github.com/burntSushi/toml v0.3.1/go.mod h1:sGTquCpRYr9McuHdv0m6YKIhx8DJGJa4t04/Y9pfSio=
-github.com/chavacava/garif v0.1.0 h1:2JHa3hbYf5D9dsgseMKAmc/MZ109otzgNFk5s87H9Pc=
+github.com/chavacava/garif v0.0.0-20230227094218-b8c73b2037b8 h1:W9o46d2kbNL06lq7UNDPV0zYLzkrde/bjIqO02eoll0=
-github.com/chavacava/garif v0.1.0/go.mod h1:XMyYCkEL58DF0oyW4qDjjnPWONs2HBqYKI+UIPD+Gww=
+github.com/chavacava/garif v0.0.0-20230227094218-b8c73b2037b8/go.mod h1:gakxgyXaaPkxvLw1XQxNGK4I37ys9iBRzNUx/B7pUCo=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -32,10 +26,6 @@ github.com/fatih/color v1.15.0/go.mod h1:0h5ZqXfHYED7Bhv2ZJamyIOUej9KtShiJESRwBD
 github.com/fatih/structtag v1.2.0 h1:/OdNE99OxoI/PqaW/SuSK9uxxT3f/tcSZgon/ssNSx4=
 github.com/fatih/structtag v1.2.0/go.mod h1:mBJUNpUnHmRKrKlQQlmCrh5PuhftFbNv8Ys4/aAZl94=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
-github.com/gofrs/uuid/v5 v5.0.0 h1:p544++a97kEL+svbcFbCQVM9KFu0Yo25UoISXGNNH9M=
-github.com/gofrs/uuid/v5 v5.0.0/go.mod h1:CDOjlDMVAtN56jqyRUZh58JT31Tiw7/oQyEXZV+9bD8=
-github.com/hack-pad/hackpadfs v0.2.1 h1:FelFhIhv26gyjujoA/yeFO+6YGlqzmc9la/6iKMIxMw=
-github.com/hack-pad/hackpadfs v0.2.1/go.mod h1:khQBuCEwGXWakkmq8ZiFUvUZz84ZkJ2KNwKvChs4OrU=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
 github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
@@ -50,8 +40,8 @@ github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZ
 github.com/mattn/go-runewidth v0.0.15/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
 github.com/mgechev/dots v0.0.0-20210922191527-e955255bf517 h1:zpIH83+oKzcpryru8ceC6BxnoG8TBrhgAvRg8obzup0=
 github.com/mgechev/dots v0.0.0-20210922191527-e955255bf517/go.mod h1:KQ7+USdGKfpPjXk4Ga+5XxQM4Lm4e3gAogrreFAYpOg=
-github.com/mgechev/revive v1.3.3 h1:GUWzV3g185agbHN4ZdaQvR6zrLVYTUSA2ktvIinivK0=
+github.com/mgechev/revive v1.3.2 h1:Wb8NQKBaALBJ3xrrj4zpwJwqwNA6nDpyJSEQWcCka6U=
-github.com/mgechev/revive v1.3.3/go.mod h1:NhpOtVtDbjYNDj697eDUBTobijCDHQKar4HDKc0TuTo=
+github.com/mgechev/revive v1.3.2/go.mod h1:UCLtc7o5vg5aXCwdUTU1kEBQ1v+YXPAkYDIDXbrs5I0=
 github.com/miekg/dns v1.1.55 h1:GoQ4hpsj0nFLYe+bWiCToyrBEJXkQfOOIvFGFy0lEgo=
 github.com/miekg/dns v1.1.55/go.mod h1:uInx36IzPl7FYnDcMeVWxj9byh7DutNykX4G9Sj60FY=
 github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
@@ -78,10 +68,8 @@ github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSS
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
-golang.org/x/crypto v0.12.0 h1:tFM/ta59kqch6LlvYnPa0yx5a83cL2nHflFhYKvv9Yk=
-golang.org/x/crypto v0.12.0/go.mod h1:NF0Gs7EO5K4qLn+Ylc+fih8BSTeIjAP05siRnAh98yw=
 golang.org/x/exp v0.0.0-20230713183714-613f0c0eb8a1 h1:MGwJjxBy0HJshjDNfLsYO8xppfqWlA5ZT9OhtUUhTNw=
 golang.org/x/mod v0.12.0 h1:rmsUpXtvNzj340zd98LZ4KntptpfRHwpFOHG188oHXc=
 golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
@@ -92,13 +80,12 @@ golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.12.0 h1:CM0HF96J0hcLAwsHPJZjfdNzs0gftsLfgKt57wWHJ0o=
+golang.org/x/sys v0.11.0 h1:eG7RXZHdqOJ1i+0lgLgCpSXAp6M3LYlAo6osgSi0xOM=
-golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/text v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k=
+golang.org/x/text v0.12.0 h1:k+n5B8goJNdU7hSvEtMUz3d1Q6D/XW4COJSJR6fN0mc=
-golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/tools v0.12.0 h1:YW6HUoUmYBpwSgyaGaZq1fHjrBjX1rlpZ54T6mu2kss=
 golang.org/x/tools v0.12.0/go.mod h1:Sc0INKfu04TlqNoRA1hgpFZbhYXHPr4V5DzpSBTPqQM=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/gcfg.v1 v1.2.3 h1:m8OOJ4ccYHnx2f4gQwpno8nAX5OGOh7RLaaz0pj3Ogs=
 gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=

pkg/ceph/ceph.go

@@ -1,2 +0,0 @@
-// Package ceph deals with ceph config
-package ceph

pkg/ceph/config.go

@@ -1,67 +0,0 @@
-package ceph
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-	"net/netip"
-	"strings"
-
-	"github.com/gofrs/uuid/v5"
-
-	"asciigoat.org/ini/basic"
-)
-
-// Config represents a ceph.conf file
-type Config struct {
-	Global GlobalConfig `ini:"global"`
-}
-
-// GlobalConfig represents the [global] section of a ceph.conf file
-type GlobalConfig struct {
-	FSID           uuid.UUID    `ini:"fsid"`
-	Monitors       []string     `ini:"mon_initial_members,comma"`
-	MonitorsAddr   []netip.Addr `ini:"mon_host,comma"`
-	ClusterNetwork netip.Prefix `ini:"cluster_network"`
-}
-
-// WriteTo writes a Wireguard [Config] onto the provided [io.Writer]
-func (cfg *Config) WriteTo(w io.Writer) (int64, error) {
-	var buf bytes.Buffer
-
-	writeGlobalToBuffer(&buf, &cfg.Global)
-	return buf.WriteTo(w)
-}
-
-func writeGlobalToBuffer(w *bytes.Buffer, c *GlobalConfig) {
-	_, _ = w.WriteString("[global]\n")
-	_, _ = fmt.Fprintf(w, "%s = %s\n", "fsid", c.FSID.String())
-	_, _ = fmt.Fprintf(w, "%s = %s\n", "mon_initial_members", strings.Join(c.Monitors, ", "))
-	_, _ = fmt.Fprintf(w, "%s = %s\n", "mon_host", joinAddrs(c.MonitorsAddr, ", "))
-	_, _ = fmt.Fprintf(w, "%s = %s\n", "cluster_network", c.ClusterNetwork.String())
-}
-
-func joinAddrs(addrs []netip.Addr, sep string) string {
-	s := make([]string, len(addrs))
-
-	for i, addr := range addrs {
-		s[i] = addr.String()
-	}
-
-	return strings.Join(s, sep)
-}
-
-// NewConfigFromReader parses the ceph.conf file
-func NewConfigFromReader(r io.Reader) (*Config, error) {
-	doc, err := basic.Decode(r)
-	if err != nil {
-		return nil, err
-	}
-
-	cfg, err := newConfigFromDocument(doc)
-	if err != nil {
-		return nil, err
-	}
-
-	return cfg, nil
-}

pkg/ceph/config_parser.go

@@ -1,110 +0,0 @@
-package ceph
-
-import (
-	"io/fs"
-	"net/netip"
-
-	"asciigoat.org/ini/basic"
-	"asciigoat.org/ini/parser"
-
-	"darvaza.org/core"
-)
-
-var sectionMap = map[string]func(*Config, *basic.Section) error{
-	"global": loadGlobalConfSection,
-}
-
-func loadConfSection(out *Config, src *basic.Section) error {
-	h, ok := sectionMap[src.Key]
-	if !ok {
-		return core.Wrapf(fs.ErrInvalid, "unknown section %q", src.Key)
-	}
-
-	return h(out, src)
-}
-
-func loadGlobalConfSection(out *Config, src *basic.Section) error {
-	var cfg GlobalConfig
-
-	for _, field := range src.Fields {
-		if err := loadGlobalConfField(&cfg, field); err != nil {
-			return core.Wrap(err, "global")
-		}
-	}
-
-	out.Global = cfg
-	return nil
-}
-
-// revive:disable:cyclomatic
-// revive:disable:cognitive-complexity
-
-func loadGlobalConfField(cfg *GlobalConfig, field basic.Field) error {
-	// revive:enable:cyclomatic
-	// revive:enable:cognitive-complexity
-
-	// TODO: refactor when asciigoat's ini parser learns to do reflection
-
-	switch field.Key {
-	case "fsid":
-		if !core.IsZero(cfg.FSID) {
-			return core.Wrapf(fs.ErrInvalid, "duplicate field %q", field.Key)
-		}
-
-		err := cfg.FSID.UnmarshalText([]byte(field.Value))
-		switch {
-		case err != nil:
-			return core.Wrap(err, field.Key)
-		default:
-			return nil
-		}
-	case "mon_host":
-		entries, _ := parser.SplitCommaArray(field.Value)
-		for _, s := range entries {
-			var addr netip.Addr
-
-			if err := addr.UnmarshalText([]byte(s)); err != nil {
-				return core.Wrap(err, field.Key)
-			}
-
-			cfg.MonitorsAddr = append(cfg.MonitorsAddr, addr)
-		}
-		return nil
-	case "mon_initial_members":
-		entries, _ := parser.SplitCommaArray(field.Value)
-		cfg.Monitors = append(cfg.Monitors, entries...)
-		return nil
-	case "cluster_network":
-		if !core.IsZero(cfg.ClusterNetwork) {
-			err := core.Wrap(fs.ErrInvalid, "fields before the first section")
-			return err
-		}
-
-		err := cfg.ClusterNetwork.UnmarshalText([]byte(field.Value))
-		switch {
-		case err != nil:
-			return core.Wrap(err, field.Key)
-		default:
-			return nil
-		}
-	}
-	return nil
-}
-
-func newConfigFromDocument(doc *basic.Document) (*Config, error) {
-	var out Config
-
-	if len(doc.Global) > 0 {
-		err := core.Wrap(fs.ErrInvalid, "fields before the first section")
-		return nil, err
-	}
-
-	for i := range doc.Sections {
-		src := &doc.Sections[i]
-		if err := loadConfSection(&out, src); err != nil {
-			return nil, err
-		}
-	}
-
-	return &out, nil
-}

pkg/wireguard/config.go

@@ -1,44 +1,17 @@
 package wireguard
 
 import (
-	"bytes"
 	"errors"
 	"fmt"
 	"io"
 	"net/netip"
 	"strconv"
 	"strings"
-	"text/template"
 
 	"darvaza.org/core"
 	"gopkg.in/gcfg.v1"
 )
 
-var configTemplate = template.Must(template.New("config").Funcs(template.FuncMap{
-	"PrefixJoin": func(a []netip.Prefix, sep string) string {
-		s := make([]string, len(a))
-		for i, p := range a {
-			s[i] = p.String()
-		}
-		return strings.Join(s, sep)
-	},
-}).Parse(`[Interface]
-{{if .Interface.Name}}# Name: {{.Interface.Name}}
-{{end -}}
-Address = {{.Interface.Address}}
-PrivateKey = {{.Interface.PrivateKey}}
-ListenPort = {{.Interface.ListenPort}}
-{{- range .Peer }}
-
-[Peer]
-{{if .Name}}# Name: {{.Name}}
-{{end -}}
-PublicKey = {{.PublicKey}}
-Endpoint = {{.Endpoint}}
-AllowedIPs = {{ PrefixJoin .AllowedIPs ", "}}
-{{- end }}
-`))
-
 // Config represents a wgN.conf file
 type Config struct {
 	Interface InterfaceConfig
@@ -55,20 +28,8 @@ func (f *Config) Peers() int {
 	return len(f.Peer)
 }
 
-// WriteTo writes a Wireguard [Config] onto the provided [io.Writer]
-func (f *Config) WriteTo(w io.Writer) (int64, error) {
-	var buf bytes.Buffer
-
-	if err := configTemplate.Execute(&buf, f); err != nil {
-		return 0, err
-	}
-
-	return buf.WriteTo(w)
-}
-
 // InterfaceConfig represents the [Interface] section
 type InterfaceConfig struct {
-	Name       string
 	Address    netip.Addr
 	PrivateKey PrivateKey
 	ListenPort uint16
@@ -76,7 +37,6 @@ type InterfaceConfig struct {
 
 // PeerConfig represents a [Peer] section
 type PeerConfig struct {
-	Name       string
 	PublicKey  PublicKey
 	Endpoint   EndpointAddress
 	AllowedIPs []netip.Prefix

pkg/wireguard/keys.go

@@ -2,12 +2,8 @@ package wireguard
 
 import (
 	"bytes"
-	"crypto/rand"
 	"encoding/base64"
 	"errors"
-	"fmt"
-
-	"golang.org/x/crypto/curve25519"
 )
 
 const (
@@ -20,116 +16,64 @@ const (
 var (
 	// ErrInvalidKeySize indicates the key size is wrong
 	ErrInvalidKeySize = errors.New("invalid key size")
-	// ErrInvalidPrivateKey indicates the private key is invalid
-	ErrInvalidPrivateKey = errors.New("invalid private key")
-	// ErrInvalidPublicKey indicates the public key is invalid
-	ErrInvalidPublicKey = errors.New("invalid public key")
 )
 
 type (
 	// PrivateKey is a binary Wireguard Private Key
-	PrivateKey [PrivateKeySize]byte
+	PrivateKey []byte
 	// PublicKey is a binary Wireguard Public Key
-	PublicKey [PublicKeySize]byte
+	PublicKey []byte
 )
 
 func (key PrivateKey) String() string {
-	switch {
+	return encodeKey(key)
-	case key.IsZero():
-		return ""
-	default:
-		return base64.StdEncoding.EncodeToString(key[:])
-	}
 }
 
 func (pub PublicKey) String() string {
-	switch {
+	return encodeKey(pub)
-	case pub.IsZero():
-		return ""
-	default:
-		return base64.StdEncoding.EncodeToString(pub[:])
-	}
-}
-
-// MarshalJSON encodes the key for JSON, omitting empty.
-func (key PrivateKey) MarshalJSON() ([]byte, error) {
-	return encodeKeyJSON(key.String())
-}
-
-// MarshalJSON encodes the key for JSON, omitting empty.
-func (pub PublicKey) MarshalJSON() ([]byte, error) {
-	return encodeKeyJSON(pub.String())
-}
-
-func encodeKeyJSON(s string) ([]byte, error) {
-	var out []byte
-	if s != "" {
-		out = []byte(fmt.Sprintf("%q", s))
-	}
-
-	return out, nil
-}
-
-// MarshalYAML encodes the key for YAML, omitting empty.
-func (key PrivateKey) MarshalYAML() (any, error) {
-	return encodeKeyYAML(key.String())
-}
-
-// MarshalYAML encodes the key for YAML, omitting empty.
-func (pub PublicKey) MarshalYAML() (any, error) {
-	return encodeKeyYAML(pub.String())
-}
-
-func encodeKeyYAML(s string) (any, error) {
-	if s == "" {
-		return nil, nil
-	}
-
-	return s, nil
 }
 
 // IsZero tells if the key hasn't been set
 func (key PrivateKey) IsZero() bool {
-	var zero PrivateKey
+	return len(key) == 0
-	return key.Equal(zero)
 }
 
 // IsZero tells if the key hasn't been set
 func (pub PublicKey) IsZero() bool {
-	var zero PublicKey
+	return len(pub) == 0
-	return pub.Equal(zero)
 }
 
 // Equal checks if two private keys are identical
 func (key PrivateKey) Equal(alter PrivateKey) bool {
-	return bytes.Equal(key[:], alter[:])
+	return bytes.Equal(key, alter)
 }
 
 // Equal checks if two public keys are identical
 func (pub PublicKey) Equal(alter PublicKey) bool {
-	return bytes.Equal(pub[:], alter[:])
+	return bytes.Equal(pub, alter)
 }
 
 // PrivateKeyFromBase64 decodes a base64-based string into
 // a [PrivateKey]
 func PrivateKeyFromBase64(data string) (PrivateKey, error) {
 	b, err := decodeKey(data, PrivateKeySize)
-	if err != nil {
+	return b, err
-		var zero PrivateKey
-		return zero, err
-	}
-	return *(*[PrivateKeySize]byte)(b), nil
 }
 
 // PublicKeyFromBase64 decodes a base64-based string into
 // a [PublicKey]
 func PublicKeyFromBase64(data string) (PublicKey, error) {
 	b, err := decodeKey(data, PublicKeySize)
-	if err != nil {
+	return b, err
-		var zero PublicKey
+}
-		return zero, err
+
+func encodeKey(b []byte) string {
+	switch {
+	case len(b) == 0:
+		return ""
+	default:
+		return base64.StdEncoding.EncodeToString(b)
 	}
-	return *(*[PublicKeySize]byte)(b), nil
 }
 
 func decodeKey(data string, size int) ([]byte, error) {
@@ -145,34 +89,9 @@ func decodeKey(data string, size int) ([]byte, error) {
 	}
 }
 
-// NewPrivateKey creates a new PrivateKey
+func NewPrivateKey() (PrivateKey, error)
-func NewPrivateKey() (PrivateKey, error) {
-	var s [PrivateKeySize]byte
 
-	_, err := rand.Read(s[:])
+func (PrivateKey) Public() PublicKey
-	if err != nil {
-		var zero PrivateKey
-		return zero, err
-	}
-
-	// apply same clamping as wireguard-go/device/noise-helpers.go
-	s[0] &= 0xf8
-	s[31] = (s[31] & 0x7f) | 0x40
-
-	return s, nil
-}
-
-// Public generates the corresponding PublicKey
-func (key PrivateKey) Public() PublicKey {
-	var pub PublicKey
-	if !key.IsZero() {
-		in := (*[PrivateKeySize]byte)(&key)
-		out := (*[PublicKeySize]byte)(&pub)
-
-		curve25519.ScalarBaseMult(out, in)
-	}
-	return pub
-}
 
 // KeyPair holds a Key pair
 type KeyPair struct {
@@ -180,40 +99,15 @@ type KeyPair struct {
 	PublicKey  PublicKey
 }
 
-// Validate checks the PublicKey matches the PrivateKey,
+func NewKeyPair() (*KeyPair, error) {
-// and sets the PublicKey if missing
-func (kp *KeyPair) Validate() error {
-	keyLen := len(kp.PrivateKey)
-	pubLen := len(kp.PublicKey)
-
-	switch {
-	case keyLen != PrivateKeySize:
-		// bad private key
-		return ErrInvalidPrivateKey
-	case pubLen == 0:
-		// no public key, set it
-		kp.PublicKey = kp.PrivateKey.Public()
-		return nil
-	case pubLen != PublicKeySize:
-		// bad public key
-		return ErrInvalidPublicKey
-	case !kp.PrivateKey.Public().Equal(kp.PublicKey):
-		// wrong public key
-		return ErrInvalidPublicKey
-	default:
-		// correct public key
-		return nil
-	}
-}
-
-// NewKeyPair creates a new KeyPair for Wireguard
-func NewKeyPair() (KeyPair, error) {
-	var out KeyPair
-
 	key, err := NewPrivateKey()
-	if err == nil {
+	if err != nil {
-		out.PrivateKey = key
+		return nil, err
-		out.PublicKey = key.Public()
+	}
+
+	out := &KeyPair{
+		PrivateKey: key,
+		PublicKey:  key.Public(),
 	}
 	return out, nil
 }

pkg/zones/ceph.go

@@ -1,122 +0,0 @@
-package zones
-
-import (
-	"bytes"
-	"net/netip"
-	"sort"
-
-	"darvaza.org/core"
-	"github.com/gofrs/uuid/v5"
-
-	"git.jpi.io/amery/jpictl/pkg/ceph"
-)
-
-// GetCephFSID returns our Ceph's FSID
-func (m *Zones) GetCephFSID() (uuid.UUID, error) {
-	if core.IsZero(m.CephFSID) {
-		// generate one
-		v, err := uuid.NewV4()
-		if err != nil {
-			return uuid.Nil, err
-		}
-		m.CephFSID = v
-	}
-	return m.CephFSID, nil
-}
-
-// GetCephConfig reads the ceph.conf file
-func (m *Zones) GetCephConfig() (*ceph.Config, error) {
-	data, err := m.ReadFile("ceph.conf")
-	if err != nil {
-		return nil, err
-	}
-
-	r := bytes.NewReader(data)
-	return ceph.NewConfigFromReader(r)
-}
-
-// WriteCephConfig writes the ceph.conf file
-func (m *Zones) WriteCephConfig(cfg *ceph.Config) error {
-	f, err := m.CreateTruncFile("ceph.conf")
-	if err != nil {
-		return err
-	}
-	defer f.Close()
-
-	_, err = cfg.WriteTo(f)
-	return err
-}
-
-// GenCephConfig prepares a ceph.Config using the cluster information
-func (m *Zones) GenCephConfig() (*ceph.Config, error) {
-	fsid, err := m.GetCephFSID()
-	if err != nil {
-		return nil, err
-	}
-
-	cfg := &ceph.Config{
-		Global: ceph.GlobalConfig{
-			FSID: fsid,
-			ClusterNetwork: netip.PrefixFrom(
-				netip.AddrFrom4([4]byte{10, 0, 0, 0}),
-				8,
-			),
-		},
-	}
-
-	m.ForEachZone(func(z *Zone) bool {
-		for _, p := range z.GetCephMonitors() {
-			addr, _ := RingOneAddress(z.ID, p.ID)
-
-			cfg.Global.Monitors = append(cfg.Global.Monitors, p.Name)
-			cfg.Global.MonitorsAddr = append(cfg.Global.MonitorsAddr, addr)
-		}
-		return false
-	})
-
-	return cfg, nil
-}
-
-// GetCephMonitors returns the set of Ceph monitors on
-// the zone
-func (z *Zone) GetCephMonitors() Machines {
-	var mons Machines
-	var first, second *Machine
-
-	z.ForEachMachine(func(p *Machine) bool {
-		switch {
-		case p.CephMonitor:
-			// it is a monitor
-			mons = append(mons, p)
-		case len(mons) > 0:
-			// zone has a monitor
-		case first == nil && !p.IsGateway():
-			// first option for monitor
-			first = p
-		case second == nil:
-			// second option for monitor
-			second = p
-		}
-
-		return false
-	})
-
-	switch {
-	case len(mons) > 0:
-		// ready
-	case first != nil:
-		// make first option our monitor
-		first.CephMonitor = true
-		mons = append(mons, first)
-	case second != nil:
-		// make second option our monitor
-		second.CephMonitor = true
-		mons = append(mons, second)
-	default:
-		// zone without machines??
-		panic("unreachable")
-	}
-
-	sort.Sort(mons)
-	return mons
-}

pkg/zones/ceph_scan.go

@@ -1,183 +0,0 @@
-package zones
-
-import (
-	"net/netip"
-	"os"
-	"strings"
-
-	"darvaza.org/core"
-	"git.jpi.io/amery/jpictl/pkg/ceph"
-)
-
-// CephMissingMonitorError is an error that contains ceph
-// monitors present in ceph.conf but not found on the cluster
-type CephMissingMonitorError struct {
-	Names []string
-	Addrs []netip.Addr
-}
-
-func (err *CephMissingMonitorError) appendName(name string) {
-	err.Names = append(err.Names, name)
-}
-
-func (err *CephMissingMonitorError) appendAddr(addr netip.Addr) {
-	err.Addrs = append(err.Addrs, addr)
-}
-
-// OK tells if this instance actual shouldn't be treated as an error
-func (err CephMissingMonitorError) OK() bool {
-	switch {
-	case len(err.Names) > 0:
-		return false
-	case len(err.Addrs) > 0:
-		return false
-	default:
-		return true
-	}
-}
-
-func (err CephMissingMonitorError) Error() string {
-	if !err.OK() {
-		var buf strings.Builder
-
-		_, _ = buf.WriteString("missing:")
-		err.writeNames(&buf)
-		err.writeAddrs(&buf)
-
-		return buf.String()
-	}
-
-	// no error
-	return ""
-}
-
-func (err *CephMissingMonitorError) writeNames(w *strings.Builder) {
-	if len(err.Names) > 0 {
-		_, _ = w.WriteString(" mon_initial_members:")
-		for i, name := range err.Names {
-			if i != 0 {
-				_, _ = w.WriteRune(',')
-			}
-			_, _ = w.WriteString(name)
-		}
-	}
-}
-
-func (err *CephMissingMonitorError) writeAddrs(w *strings.Builder) {
-	if len(err.Addrs) > 0 {
-		_, _ = w.WriteString(" mon_host:")
-		for i, addr := range err.Addrs {
-			if i != 0 {
-				_, _ = w.WriteRune(',')
-			}
-			_, _ = w.WriteString(addr.String())
-		}
-	}
-}
-
-// AsError returns nil if the instance is actually OK
-func (err *CephMissingMonitorError) AsError() error {
-	if err == nil || err.OK() {
-		return nil
-	}
-
-	return err
-}
-
-type cephScanTODO struct {
-	names map[string]bool
-	addrs map[string]bool
-}
-
-func (todo *cephScanTODO) checkMachine(p *Machine) bool {
-	// on ceph all addresses are ring1
-	ring1, _ := RingOneAddress(p.Zone(), p.ID)
-	addr := ring1.String()
-
-	if _, found := todo.names[p.Name]; found {
-		// found on the TODO by name
-		todo.names[p.Name] = true
-		todo.addrs[addr] = true
-		return true
-	}
-
-	if _, found := todo.addrs[addr]; found {
-		// found on the TODO by address
-		todo.names[p.Name] = true
-		todo.addrs[addr] = true
-		return true
-	}
-
-	return false
-}
-
-func (todo *cephScanTODO) Missing() error {
-	var check CephMissingMonitorError
-
-	for name, found := range todo.names {
-		if !found {
-			check.appendName(name)
-		}
-	}
-
-	for addr, found := range todo.addrs {
-		if !found {
-			var a netip.Addr
-			// it wouldn't be on the map if it wasn't valid
-			_ = a.UnmarshalText([]byte(addr))
-
-			check.appendAddr(a)
-		}
-	}
-
-	return check.AsError()
-}
-
-func newCephScanTODO(cfg *ceph.Config) *cephScanTODO {
-	todo := &cephScanTODO{
-		names: make(map[string]bool),
-		addrs: make(map[string]bool),
-	}
-
-	for _, name := range cfg.Global.Monitors {
-		todo.names[name] = false
-	}
-
-	for _, addr := range cfg.Global.MonitorsAddr {
-		todo.addrs[addr.String()] = false
-	}
-
-	return todo
-}
-
-func (m *Zones) scanCephMonitors(_ *ScanOptions) error {
-	cfg, err := m.GetCephConfig()
-	switch {
-	case os.IsNotExist(err):
-		err = nil
-	case err != nil:
-		return err
-	}
-
-	if cfg != nil {
-		// store FSID
-		m.CephFSID = cfg.Global.FSID
-
-		// flag monitors based on config
-		todo := newCephScanTODO(cfg)
-		m.ForEachMachine(func(p *Machine) bool {
-			p.CephMonitor = todo.checkMachine(p)
-			return false
-		})
-		if err := todo.Missing(); err != nil {
-			return core.Wrap(err, "ceph")
-		}
-	}
-
-	// make sure every zone has one
-	m.ForEachZone(func(z *Zone) bool {
-		_ = z.GetCephMonitors()
-		return false
-	})
-	return nil
-}

pkg/zones/env.go

@@ -7,61 +7,21 @@ import (
 	"strings"
 )
 
-// Env is a shell environment factory for this cluster
+// WriteEnv generates environment variables for shell scripts
-type Env struct {
+func (m *Zones) WriteEnv(w io.Writer) error {
-	ZoneIterator
-
-	cephFSID string
-	export   bool
-}
-
-// Env returns a shell environment factory
-func (m *Zones) Env(export bool) (*Env, error) {
-	fsid, err := m.GetCephFSID()
-	if err != nil {
-		return nil, err
-	}
-
-	env := &Env{
-		ZoneIterator: m,
-		cephFSID:     fsid.String(),
-		export:       export,
-	}
-
-	return env, nil
-}
-
-// Zones returns the list of Zone IDs
-func (m *Env) Zones() []int {
-	var zones []int
-
-	m.ForEachZone(func(z *Zone) bool {
-		zones = append(zones, z.ID)
-		return false
-	})
-
-	return zones
-}
-
-// WriteTo generates environment variables for shell scripts
-func (m *Env) WriteTo(w io.Writer) (int64, error) {
 	var buf bytes.Buffer
 
-	if m.cephFSID != "" {
+	m.writeEnvVarFn(&buf, genEnvZones, "ZONES")
-		m.writeEnvVar(&buf, m.cephFSID, "FSID")
-	}
-
-	m.writeEnvVarInts(&buf, m.Zones(), "ZONES")
-
 	m.ForEachZone(func(z *Zone) bool {
 		m.writeEnvZone(&buf, z)
 		return false
 	})
 
-	return buf.WriteTo(w)
+	_, err := buf.WriteTo(w)
+	return err
 }
 
-func (m *Env) writeEnvZone(w io.Writer, z *Zone) {
+func (m *Zones) writeEnvZone(w io.Writer, z *Zone) {
 	zoneID := z.ID
 
 	// ZONE{zoneID}
@@ -71,45 +31,25 @@ func (m *Env) writeEnvZone(w io.Writer, z *Zone) {
 	m.writeEnvVar(w, z.Name, "ZONE%v_%s", zoneID, "NAME")
 
 	// ZONE{zoneID}_GW
-	gateways, _ := z.GatewayIDs()
+	gatewayID := getRingZeroGatewayID(z)
-	m.writeEnvVarInts(w, gateways, "ZONE%v_%s", zoneID, "GW")
+	m.writeEnvVar(w, fmt.Sprintf("%v", gatewayID), "ZONE%v_%s", zoneID, "GW")
 
-	// Ceph
+	// ZONE{zoneID}_IP
-	monitors := z.GetCephMonitors()
+	ip, _ := RingZeroAddress(zoneID, gatewayID)
-	// MON{zoneID}_NAME
+	m.writeEnvVar(w, ip.String(), "ZONE%v_%s", zoneID, "IP")
-	m.writeEnvVar(w, genEnvZoneCephMonNames(monitors), "MON%v_%s", zoneID, "NAME")
-	// MON{zoneID}_IP
-	m.writeEnvVar(w, genEnvZoneCephMonIPs(monitors), "MON%v_%s", zoneID, "IP")
-	// MON{zoneID}_ID
-	m.writeEnvVar(w, genEnvZoneCephMonIDs(monitors), "MON%v_%s", zoneID, "ID")
 }
 
-func (m *Env) writeEnvVarInts(w io.Writer, value []int, name string, args ...any) {
+func (m *Zones) writeEnvVarFn(w io.Writer, fn func(*Zones) string, name string, args ...any) {
-	var s string
+	var value string
 
-	if n := len(value); n > 0 {
+	if fn != nil {
-		var buf bytes.Buffer
+		value = fn(m)
-
-		for i, v := range value {
-			if i != 0 {
-				_, _ = fmt.Fprint(&buf, " ")
-			}
-			_, _ = fmt.Fprintf(&buf, "%v", v)
-		}
-
-		s = buf.String()
 	}
 
-	m.writeEnvVar(w, s, name, args...)
+	m.writeEnvVar(w, value, name, args...)
 }
 
-func (m *Env) writeEnvVar(w io.Writer, value string, name string, args ...any) {
+func (*Zones) writeEnvVar(w io.Writer, value string, name string, args ...any) {
-	var prefix string
-
-	if m.export {
-		prefix = "export "
-	}
-
 	if len(args) > 0 {
 		name = fmt.Sprintf(name, args...)
 	}
@@ -117,61 +57,48 @@ func (m *Env) writeEnvVar(w io.Writer, value string, name string, args ...any) {
 	if name != "" {
 		value = strings.TrimSpace(value)
 
-		_, _ = fmt.Fprintf(w, "%s%s=%q\n", prefix, name, value)
+		_, _ = fmt.Fprintf(w, "%s=%q\n", name, value)
 	}
 }
 
+func genEnvZones(m *Zones) string {
+	s := make([]string, 0, len(m.Zones))
+	for _, z := range m.Zones {
+		s = append(s, fmt.Sprintf("%v", z.ID))
+	}
+
+	return strings.Join(s, " ")
+}
+
 func genEnvZoneNodes(z *Zone) string {
-	if n := z.Len(); n > 0 {
+	s := make([]string, 0, len(z.Machines))
-		s := make([]string, 0, n)
+	for _, p := range z.Machines {
-
+		s = append(s, p.Name)
-		z.ForEachMachine(func(p *Machine) bool {
-			s = append(s, p.Name)
-			return false
-		})
-
-		return strings.Join(s, " ")
 	}
-	return ""
+	return strings.Join(s, " ")
 }
 
-func genEnvZoneCephMonNames(m Machines) string {
+func getRingZeroGatewayID(z *Zone) int {
-	var buf strings.Builder
+	var firstNodeID, gatewayID int
-	m.ForEachMachine(func(p *Machine) bool {
+
-		if buf.Len() > 0 {
+	z.ForEachMachine(func(p *Machine) bool {
-			_, _ = buf.WriteRune(' ')
+		nodeID := p.ID()
+
+		if firstNodeID == 0 {
+			firstNodeID = nodeID
 		}
-		_, _ = buf.WriteString(p.Name)
 
-		return false
+		if p.Gateway() {
-	})
+			gatewayID = nodeID
-	return buf.String()
-}
-
-func genEnvZoneCephMonIPs(m Machines) string {
-	var buf strings.Builder
-	m.ForEachMachine(func(p *Machine) bool {
-		addr, _ := RingOneAddress(p.Zone(), p.ID)
-
-		if buf.Len() > 0 {
-			_, _ = buf.WriteRune(' ')
 		}
-		_, _ = buf.WriteString(addr.String())
 
-		return false
+		return gatewayID != 0
 	})
-	return buf.String()
-}
 
-func genEnvZoneCephMonIDs(m Machines) string {
+	switch {
-	var buf strings.Builder
+	case gatewayID == 0:
-	m.ForEachMachine(func(p *Machine) bool {
+		return firstNodeID
-		if buf.Len() > 0 {
+	default:
-			_, _ = buf.WriteRune(' ')
+		return gatewayID
-		}
+	}
-		_, _ = fmt.Fprintf(&buf, "%v", p.ID)
-
-		return false
-	})
-	return buf.String()
 }

pkg/zones/log.go

@@ -1,49 +0,0 @@
-package zones
-
-import "darvaza.org/slog"
-
-type logger interface {
-	withDebug() (slog.Logger, bool)
-	withInfo() (slog.Logger, bool)
-
-	debug() slog.Logger
-	info() slog.Logger
-	warn(error) slog.Logger
-	error(error) slog.Logger
-}
-
-var (
-	_ logger = (*Zones)(nil)
-)
-
-func (z *Zones) withDebug() (slog.Logger, bool) {
-	return z.debug().WithEnabled()
-}
-
-func (z *Zones) withInfo() (slog.Logger, bool) {
-	return z.debug().WithEnabled()
-}
-
-func (z *Zones) debug() slog.Logger {
-	return z.log.Debug()
-}
-
-func (z *Zones) info() slog.Logger {
-	return z.log.Info()
-}
-
-func (z *Zones) warn(err error) slog.Logger {
-	l := z.log.Warn()
-	if err != nil {
-		l = l.WithField(slog.ErrorFieldName, err)
-	}
-	return l
-}
-
-func (z *Zones) error(err error) slog.Logger {
-	l := z.log.Error()
-	if err != nil {
-		l = l.WithField(slog.ErrorFieldName, err)
-	}
-	return l
-}

pkg/zones/machine.go

@@ -1,32 +1,80 @@
 package zones
 
 import (
+	"fmt"
+	"io/fs"
 	"net/netip"
+	"path/filepath"
+	"strconv"
 	"strings"
+	"sync"
 )
 
-// revive:disable:line-length-limit
-
 // A Machine is a machine on a Zone
 type Machine struct {
+	mu sync.Mutex
+
 	zone *Zone
-	logger
+	id   int
+	Name string `toml:"name"`
 
-	ID   int    `toml:"id"`
+	PublicAddresses []netip.Addr `toml:"public,omitempty"`
-	Name string `toml:"-" json:"-" yaml:"-"`
+	RingAddresses   []*RingInfo  `toml:"rings,omitempty"`
-
-	PublicAddresses []netip.Addr `toml:"public,omitempty" json:"public,omitempty" yaml:"public,omitempty"`
-	Rings           []*RingInfo  `toml:"rings,omitempty"  json:"rings,omitempty"  yaml:"rings,omitempty"`
-
-	CephMonitor bool `toml:"ceph_monitor,omitempty" json:"ceph_monitor,omitempty" yaml:"ceph_monitor,omitempty"`
 }
 
-// revive:enable:line-length-limit
-
 func (m *Machine) String() string {
 	return m.Name
 }
 
+// ID return the index within the [Zone] associated to this [Machine]
+func (m *Machine) ID() int {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+
+	if m.id == 0 {
+		zoneName := m.zone.Name
+
+		s := m.Name[len(zoneName)+1:]
+
+		id, err := strconv.ParseInt(s, 10, 8)
+		if err != nil {
+			panic(err)
+		}
+
+		m.id = int(id)
+	}
+
+	return m.id
+}
+
+// Gateway tells if the Machine is a ring0 gateway
+func (m *Machine) Gateway() bool {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+
+	if ri, found := m.getRingInfo(0); found {
+		return ri.Enabled
+	}
+
+	return false
+}
+
+func (m *Machine) SetGateway(enable bool) error {
+	m.mu.Lock()
+	defer m.mu.Unlock()
+
+	ri, found := m.getRingInfo(0)
+	switch {
+	case !found && !enable:
+		return nil
+	case !found:
+		return m.createRingInfo(0, true)
+	default:
+		ri.Enabled = enable
+		return nil
+	}
+}
+
 // FullName returns the Name of the machine including domain name
 func (m *Machine) FullName() string {
 	if domain := m.zone.zones.domain; domain != "" {
@@ -41,33 +89,26 @@ func (m *Machine) FullName() string {
 	return m.Name
 }
 
-// IsGateway tells if the Machine is a ring0 gateway
+// ReadFile reads a file from the machine's config directory
-func (m *Machine) IsGateway() bool {
+func (m *Machine) ReadFile(name string, args ...any) ([]byte, error) {
-	_, ok := m.getRingInfo(0)
+	base := m.zone.zones.dir
-	return ok
+	fullName := m.getFilename(name, args...)
+
+	return fs.ReadFile(base, fullName)
 }
 
-// SetGateway enables/disables a Machine ring0 integration
+func (m *Machine) getFilename(name string, args ...any) string {
-func (m *Machine) SetGateway(enabled bool) error {
+	if len(args) > 0 {
-	ri, found := m.getRingInfo(0)
+		name = fmt.Sprintf(name, args...)
-	switch {
-	case !found && !enabled:
-		return nil
-	case !found:
-		var err error
-
-		if ri, err = m.createRingInfo(0, false); err != nil {
-			return err
-		}
 	}
 
-	ri.Enabled = enabled
+	s := []string{
-	return m.SyncWireguardConfig(0)
+		m.zone.Name,
-}
+		m.Name,
+		name,
+	}
 
-// Zone indicates the [Zone] this machine belongs to
+	return filepath.Join(s...)
-func (m *Machine) Zone() int {
-	return m.zone.ID
 }
 
 func (m *Machine) getPeerByName(name string) (*Machine, bool) {

pkg/zones/machine_file.go

@@ -1,87 +0,0 @@
-package zones
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-	"os"
-	"path/filepath"
-
-	fs "github.com/hack-pad/hackpadfs"
-)
-
-// OpenFile opens a file on the machine's config directory with the specified flags
-func (m *Machine) OpenFile(name string, flags int, args ...any) (fs.File, error) {
-	base := m.zone.zones.dir
-	fullName := m.getFilename(name, args...)
-
-	return fs.OpenFile(base, fullName, flags, 0644)
-}
-
-// CreateTruncFile creates or truncates a file on the machine's config directory
-func (m *Machine) CreateTruncFile(name string, args ...any) (io.WriteCloser, error) {
-	return m.openWriter(name, os.O_CREATE|os.O_TRUNC, args...)
-}
-
-// CreateFile creates a file on the machine's config directory
-func (m *Machine) CreateFile(name string, args ...any) (io.WriteCloser, error) {
-	return m.openWriter(name, os.O_CREATE, args...)
-}
-
-func (m *Machine) openWriter(name string, flags int, args ...any) (io.WriteCloser, error) {
-	f, err := m.OpenFile(name, os.O_WRONLY|flags, args...)
-	if err != nil {
-		return nil, err
-	}
-
-	return f.(io.WriteCloser), nil
-}
-
-// RemoveFile deletes a file from the machine's config directory
-func (m *Machine) RemoveFile(name string, args ...any) error {
-	base := m.zone.zones.dir
-	fullName := m.getFilename(name, args...)
-	err := fs.Remove(base, fullName)
-
-	switch {
-	case os.IsNotExist(err):
-		return nil
-	default:
-		return err
-	}
-}
-
-// ReadFile reads a file from the machine's config directory
-func (m *Machine) ReadFile(name string, args ...any) ([]byte, error) {
-	base := m.zone.zones.dir
-	fullName := m.getFilename(name, args...)
-
-	return fs.ReadFile(base, fullName)
-}
-
-// WriteStringFile writes the given content to a file on the machine's config directory
-func (m *Machine) WriteStringFile(value string, name string, args ...any) error {
-	f, err := m.CreateTruncFile(name, args...)
-	if err != nil {
-		return err
-	}
-	defer f.Close()
-
-	buf := bytes.NewBufferString(value)
-	_, err = buf.WriteTo(f)
-	return err
-}
-
-func (m *Machine) getFilename(name string, args ...any) string {
-	if len(args) > 0 {
-		name = fmt.Sprintf(name, args...)
-	}
-
-	s := []string{
-		m.zone.Name,
-		m.Name,
-		name,
-	}
-
-	return filepath.Join(s...)
-}

pkg/zones/machine_rings.go

@@ -10,90 +10,6 @@ import (
 	"git.jpi.io/amery/jpictl/pkg/wireguard"
 )
 
-// GetWireguardKeys reads a wgN.key/wgN.pub files
-func (m *Machine) GetWireguardKeys(ring int) (wireguard.KeyPair, error) {
-	var (
-		data []byte
-		err  error
-		out  wireguard.KeyPair
-	)
-
-	data, err = m.ReadFile("wg%v.key", ring)
-	if err != nil {
-		// failed to read
-		return out, err
-	}
-
-	out.PrivateKey, err = wireguard.PrivateKeyFromBase64(string(data))
-	if err != nil {
-		// bad key
-		err = core.Wrapf(err, "wg%v.key", ring)
-		return out, err
-	}
-
-	data, err = m.ReadFile("wg%v.pub", ring)
-	switch {
-	case os.IsNotExist(err):
-		// no wgN.pub is fine
-	case err != nil:
-		// failed to read
-		return out, err
-	default:
-		// good read
-		out.PublicKey, err = wireguard.PublicKeyFromBase64(string(data))
-		if err != nil {
-			// bad key
-			err = core.Wrapf(err, "wg%v.pub", ring)
-			return out, err
-		}
-	}
-
-	err = out.Validate()
-	return out, err
-}
-
-func (m *Machine) tryReadWireguardKeys(ring int) error {
-	kp, err := m.GetWireguardKeys(ring)
-	switch {
-	case os.IsNotExist(err):
-		// ignore
-		return nil
-	case err != nil:
-		// something went wrong
-		return err
-	default:
-		// import keys
-		ri := &RingInfo{
-			Ring: ring,
-			Keys: kp,
-		}
-
-		return m.applyRingInfo(ring, ri)
-	}
-}
-
-// RemoveWireguardKeys deletes wgN.key and wgN.pub from
-// the machine's config directory
-func (m *Machine) RemoveWireguardKeys(ring int) error {
-	var err error
-
-	err = m.RemoveFile("wg%v.pub", ring)
-	switch {
-	case os.IsNotExist(err):
-		// ignore
-	case err != nil:
-		return err
-	}
-
-	err = m.RemoveFile("wg%v.key", ring)
-	if os.IsNotExist(err) {
-		// ignore
-		err = nil
-	}
-
-	return err
-}
-
 // GetWireguardConfig reads a wgN.conf file
 func (m *Machine) GetWireguardConfig(ring int) (*wireguard.Config, error) {
 	data, err := m.ReadFile("wg%v.conf", ring)
@@ -145,9 +61,9 @@ func (m *Machine) applyWireguardConfig(ring int, wg *wireguard.Config) error {
 }
 
 func (m *Machine) getRingInfo(ring int) (*RingInfo, bool) {
-	for _, ri := range m.Rings {
+	for _, ri := range m.RingAddresses {
 		if ri.Ring == ring {
-			return ri, ri.Enabled
+			return ri, true
 		}
 	}
 
@@ -155,10 +71,10 @@ func (m *Machine) getRingInfo(ring int) (*RingInfo, bool) {
 }
 
 func (m *Machine) applyRingInfo(ring int, new *RingInfo) error {
-	cur, _ := m.getRingInfo(ring)
+	cur, found := m.getRingInfo(ring)
-	if cur == nil {
+	if !found {
 		// first, append
-		m.Rings = append(m.Rings, new)
+		m.RingAddresses = append(m.RingAddresses, new)
 		return nil
 	}
 
@@ -170,7 +86,8 @@ func (m *Machine) applyWireguardInterfaceConfig(ring int, data wireguard.Interfa
 	ri := &RingInfo{
 		Ring:    ring,
 		Enabled: true,
-		Keys: wireguard.KeyPair{
+		Address: data.Address,
+		Keys: &wireguard.KeyPair{
 			PrivateKey: data.PrivateKey,
 		},
 	}
@@ -190,7 +107,7 @@ func (m *Machine) applyWireguardPeerConfig(ring int, pc wireguard.PeerConfig) er
 		ri := &RingInfo{
 			Ring:    ring,
 			Enabled: true,
-			Keys: wireguard.KeyPair{
+			Keys: &wireguard.KeyPair{
 				PublicKey: pc.PublicKey,
 			},
 		}
@@ -207,8 +124,8 @@ func (m *Machine) applyZoneNodeID(zoneID, nodeID int) error {
 		return fmt.Errorf("invalid %s", "zoneID")
 	case nodeID == 0:
 		return fmt.Errorf("invalid %s", "nodeID")
-	case m.ID != nodeID:
+	case m.ID() != nodeID:
-		return fmt.Errorf("invalid %s: %v ≠ %v", "zoneID", m.ID, nodeID)
+		return fmt.Errorf("invalid %s: %v ≠ %v", "zoneID", m.ID(), nodeID)
 	case m.zone.ID != 0 && m.zone.ID != zoneID:
 		return fmt.Errorf("invalid %s: %v ≠ %v", "zoneID", m.zone.ID, zoneID)
 	case m.zone.ID == 0:
@@ -218,21 +135,10 @@ func (m *Machine) applyZoneNodeID(zoneID, nodeID int) error {
 	return nil
 }
 
-// RemoveWireguardConfig deletes wgN.conf from the machine's
+func (m *Machine) createRingInfo(ring int, enabled bool) error {
-// config directory.
-func (m *Machine) RemoveWireguardConfig(ring int) error {
-	err := m.RemoveFile("wg%v.conf", ring)
-	if os.IsNotExist(err) {
-		err = nil
-	}
-
-	return err
-}
-
-func (m *Machine) createRingInfo(ring int, enabled bool) (*RingInfo, error) {
 	keys, err := wireguard.NewKeyPair()
 	if err != nil {
-		return nil, err
+		return err
 	}
 
 	ri := &RingInfo{
@@ -241,10 +147,5 @@ func (m *Machine) createRingInfo(ring int, enabled bool) (*RingInfo, error) {
 		Keys:    keys,
 	}
 
-	err = m.applyRingInfo(ring, ri)
+	return m.applyRingInfo(ring, ri)
-	if err != nil {
-		return nil, err
-	}
-
-	return ri, nil
 }

pkg/zones/machine_scan.go

@@ -3,13 +3,11 @@ package zones
 import (
 	"context"
 	"net/netip"
-	"strconv"
 	"time"
 )
 
-// LookupNetIP uses the DNS Resolver to get the public addresses associated
+func (m *Machine) lookupNetIP() ([]netip.Addr, error) {
-// to a Machine
+	timeout := 2 * time.Second
-func (m *Machine) LookupNetIP(timeout time.Duration) ([]netip.Addr, error) {
 	ctx, cancel := context.WithTimeout(context.Background(), timeout)
 
 	defer cancel()
@@ -17,9 +15,8 @@ func (m *Machine) LookupNetIP(timeout time.Duration) ([]netip.Addr, error) {
 	return m.zone.zones.resolver.LookupNetIP(ctx, "ip", m.FullName())
 }
 
-// UpdatePublicAddresses uses the DNS Resolver to set Machine.PublicAddresses
+func (m *Machine) updatePublicAddresses() error {
-func (m *Machine) UpdatePublicAddresses() error {
+	addrs, err := m.lookupNetIP()
-	addrs, err := m.LookupNetIP(2 * time.Second)
 	if err != nil {
 		return err
 	}
@@ -28,42 +25,12 @@ func (m *Machine) UpdatePublicAddresses() error {
 	return nil
 }
 
-func (m *Machine) init() error {
+func (m *Machine) scan() error {
-	if err := m.setID(); err != nil {
-		return err
-	}
-
-	for i := 0; i < RingsCount; i++ {
-		if err := m.tryReadWireguardKeys(i); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func (m *Machine) setID() error {
-	zoneName := m.zone.Name
-	suffix := m.Name[len(zoneName)+1:]
-
-	id, err := strconv.ParseInt(suffix, 10, 8)
-	if err != nil {
-		return err
-	}
-
-	m.ID = int(id)
-	return nil
-}
-
-func (m *Machine) scan(opts *ScanOptions) error {
 	for i := 0; i < RingsCount; i++ {
 		if err := m.tryApplyWireguardConfig(i); err != nil {
 			return err
 		}
 	}
 
-	if !opts.DontResolvePublicAddresses {
+	return m.updatePublicAddresses()
-		return m.UpdatePublicAddresses()
-	}
-
-	return nil
 }

pkg/zones/options.go

@@ -1,134 +0,0 @@
-package zones
-
-import (
-	"io/fs"
-	"path/filepath"
-
-	"darvaza.org/resolver"
-	"darvaza.org/slog"
-	"darvaza.org/slog/handlers/discard"
-	"github.com/hack-pad/hackpadfs/os"
-)
-
-// A ScanOption pre-configures the Zones before scanning
-type ScanOption func(*Zones, *ScanOptions) error
-
-// ScanOptions contains flags used by the initial scan
-type ScanOptions struct {
-	// DontResolvePublicAddresses indicates we shouldn't
-	// pre-populate Machine.PublicAddresses during the
-	// initial scan
-	DontResolvePublicAddresses bool
-
-	// Logger specifies the logger to be used. otherwise
-	// the scanner will be mute
-	slog.Logger
-}
-
-// ResolvePublicAddresses instructs the scanner to use
-// the DNS resolver to get PublicAddresses of nodes.
-// Default is true
-func ResolvePublicAddresses(resolve bool) ScanOption {
-	return func(m *Zones, opt *ScanOptions) error {
-		opt.DontResolvePublicAddresses = !resolve
-		return nil
-	}
-}
-
-// WithLookuper specifies what resolver.Lookuper to use to
-// find public addresses
-func WithLookuper(h resolver.Lookuper) ScanOption {
-	return func(m *Zones, opt *ScanOptions) error {
-		if h == nil {
-			return fs.ErrInvalid
-		}
-		m.resolver = resolver.NewResolver(h)
-		return nil
-	}
-}
-
-// WithResolver specifies what resolver to use to find
-// public addresses. if nil is passed, the [net.Resolver] will be used.
-// The default is using Cloudflare's 1.1.1.1.
-func WithResolver(h resolver.Resolver) ScanOption {
-	return func(m *Zones, opt *ScanOptions) error {
-		if h == nil {
-			h = resolver.SystemResolver(true)
-		}
-
-		m.resolver = h
-		return nil
-	}
-}
-
-// WithLogger specifies what to use for logging
-func WithLogger(log slog.Logger) ScanOption {
-	return func(m *Zones, opt *ScanOptions) error {
-		if log == nil {
-			log = discard.New()
-		}
-
-		opt.Logger = log
-		m.log = log
-		return nil
-	}
-}
-
-func (m *Zones) setDefaults(opt *ScanOptions) error {
-	if m.resolver == nil {
-		h := resolver.NewCloudflareLookuper()
-
-		if err := WithLookuper(h)(m, opt); err != nil {
-			return err
-		}
-	}
-
-	if opt.Logger == nil {
-		if err := WithLogger(nil)(m, opt); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-// NewFS builds a [Zones] tree using the given directory
-func NewFS(dir fs.FS, domain string, opts ...ScanOption) (*Zones, error) {
-	var scanOptions ScanOptions
-
-	z := &Zones{
-		dir:    dir,
-		domain: domain,
-	}
-
-	for _, opt := range opts {
-		if err := opt(z, &scanOptions); err != nil {
-			return nil, err
-		}
-	}
-
-	if err := z.setDefaults(&scanOptions); err != nil {
-		return nil, err
-	}
-
-	if err := z.scan(&scanOptions); err != nil {
-		return nil, err
-	}
-
-	return z, nil
-}
-
-// New builds a [Zones] tree using the given directory
-func New(dir, domain string, opts ...ScanOption) (*Zones, error) {
-	dir, err := filepath.Abs(dir)
-	if err != nil {
-		return nil, err
-	}
-
-	base, err := os.NewFS().Sub(dir[1:])
-	if err != nil {
-		return nil, err
-	}
-
-	return NewFS(base, domain, opts...)
-}

pkg/zones/rings.go

@@ -2,7 +2,6 @@ package zones
 
 import (
 	"fmt"
-	"io/fs"
 	"net/netip"
 
 	"git.jpi.io/amery/jpictl/pkg/wireguard"
@@ -15,58 +14,75 @@ const (
 	MaxNodeID = 0xff - 1
 	// RingsCount indicates how many wireguard rings we have
 	RingsCount = 2
-	// RingZeroPort is the port wireguard uses for ring0
-	RingZeroPort = 51800
-	// RingOnePort is the port wireguard uses for ring1
-	RingOnePort = 51810
 )
 
 // RingInfo contains represents the Wireguard endpoint details
 // for a Machine on a particular ring
 type RingInfo struct {
-	Ring    int               `toml:"ring"`
+	Ring    int                `toml:"ring"`
-	Enabled bool              `toml:"enabled,omitempty"`
+	Enabled bool               `toml:"enabled,omitempty"`
-	Keys    wireguard.KeyPair `toml:"keys,omitempty"`
+	Keys    *wireguard.KeyPair `toml:"keys,omitempty"`
+	Address netip.Addr         `toml:"address,omitempty"`
 }
 
 // Merge attempts to combine two RingInfo structs
 func (ri *RingInfo) Merge(alter *RingInfo) error {
 	switch {
-	case alter == nil:
-		return nil
 	case ri.Ring != alter.Ring:
 		// different ring
 		return fmt.Errorf("invalid %s: %v ≠ %v", "ring", ri.Ring, alter.Ring)
-	case ri.Enabled && !alter.Enabled:
+	case ri.Enabled != alter.Enabled:
-		// can't disable via Merge
+		// different state
-		return fmt.Errorf("invalid %s: %v → %v", "enabled", ri.Enabled, alter.Enabled)
+		return fmt.Errorf("invalid %s: %v ≠ %v", "enabled", ri.Enabled, alter.Enabled)
+	case !canMergeAddress(ri.Address, alter.Address):
+		// different address
+		return fmt.Errorf("invalid %s: %v ≠ %v", "address", ri.Address, alter.Address)
 	case !canMergeKeyPairs(ri.Keys, alter.Keys):
 		// incompatible keypairs
 		return fmt.Errorf("invalid %s: %s ≠ %s", "keys", ri.Keys, alter.Keys)
 	}
 
-	return ri.unsafeMerge(alter)
+	switch {
-}
+	case ri.Keys == nil:
-
+		// assign keypair
-func (ri *RingInfo) unsafeMerge(alter *RingInfo) error {
+		ri.Keys = alter.Keys
-	// enable via Merge
+	case alter.Keys != nil:
-	if alter.Enabled {
+		// fill the gaps on our keypair
-		ri.Enabled = true
+		if ri.Keys.PrivateKey.IsZero() {
+			ri.Keys.PrivateKey = alter.Keys.PrivateKey
+		}
+		if ri.Keys.PublicKey.IsZero() {
+			ri.Keys.PublicKey = alter.Keys.PublicKey
+		}
 	}
 
-	// fill the gaps on our keypair
+	if addressEqual(ri.Address, netip.Addr{}) {
-	if ri.Keys.PrivateKey.IsZero() {
+		// assign address
-		ri.Keys.PrivateKey = alter.Keys.PrivateKey
+		ri.Address = alter.Address
-	}
-	if ri.Keys.PublicKey.IsZero() {
-		ri.Keys.PublicKey = alter.Keys.PublicKey
 	}
 
 	return nil
 }
 
-func canMergeKeyPairs(p1, p2 wireguard.KeyPair) bool {
+func canMergeAddress(ip1, ip2 netip.Addr) bool {
+	var zero netip.Addr
+
 	switch {
+	case addressEqual(ip1, zero) || addressEqual(ip2, zero) || addressEqual(ip1, ip2):
+		return true
+	default:
+		return false
+	}
+}
+
+func addressEqual(ip1, ip2 netip.Addr) bool {
+	return ip1.Compare(ip2) == 0
+}
+
+func canMergeKeyPairs(p1, p2 *wireguard.KeyPair) bool {
+	switch {
+	case p1 == nil || p2 == nil:
+		return true
 	case !p1.PrivateKey.IsZero() && !p2.PrivateKey.IsZero() && !p1.PrivateKey.Equal(p2.PrivateKey):
 		return false
 	case !p1.PublicKey.IsZero() && !p2.PublicKey.IsZero() && !p1.PublicKey.Equal(p2.PublicKey):
@@ -80,7 +96,6 @@ func canMergeKeyPairs(p1, p2 wireguard.KeyPair) bool {
 // Wireguard ring
 type RingAddressEncoder struct {
 	ID     int
-	Port   uint16
 	Encode func(zoneID, nodeID int) (netip.Addr, bool)
 	Decode func(addr netip.Addr) (zoneID, nodeID int, ok bool)
 }
@@ -89,14 +104,12 @@ var (
 	// RingZero is a wg0 address encoder/decoder
 	RingZero = RingAddressEncoder{
 		ID:     0,
-		Port:   RingZeroPort,
 		Decode: ParseRingZeroAddress,
 		Encode: RingZeroAddress,
 	}
 	// RingOne is a wg1 address encoder/decoder
 	RingOne = RingAddressEncoder{
 		ID:     1,
-		Port:   RingOnePort,
 		Decode: ParseRingOneAddress,
 		Encode: RingOneAddress,
 	}
@@ -176,174 +189,7 @@ func RingOneAddress(zoneID, nodeID int) (netip.Addr, bool) {
 	case !ValidZoneID(zoneID) || !ValidNodeID(nodeID):
 		return netip.Addr{}, false
 	default:
-		a4 := [4]uint8{10, uint8(zoneID << 4), 0, uint8(nodeID)}
+		a4 := [4]uint8{10, 0, uint8(zoneID << 4), uint8(nodeID)}
 		return netip.AddrFrom4(a4), true
 	}
 }
-
-var (
-	_ MachineIterator = (*Ring)(nil)
-	_ ZoneIterator    = (*Ring)(nil)
-)
-
-// A Ring describes all peers on a ring
-type Ring struct {
-	RingAddressEncoder
-	ZoneIterator
-
-	Peers []*RingPeer
-}
-
-// AddPeer adds a [Machine] to the ring
-func (r *Ring) AddPeer(p *Machine) bool {
-	ri, ok := p.getRingInfo(r.ID)
-	if !ok {
-		return false
-	}
-
-	nodeID := p.ID
-	zoneID := p.Zone()
-	addr, _ := r.Encode(zoneID, nodeID)
-
-	rp := &RingPeer{
-		Node:       p,
-		Address:    addr,
-		PrivateKey: ri.Keys.PrivateKey,
-		PeerConfig: wireguard.PeerConfig{
-			Name:      fmt.Sprintf("%s-%v", p.Name, r.ID),
-			PublicKey: ri.Keys.PublicKey,
-			Endpoint: wireguard.EndpointAddress{
-				Host: p.FullName(),
-				Port: r.Port,
-			},
-		},
-	}
-
-	switch {
-	case r.ID == 0:
-		r.setRingZeroAllowedIPs(rp)
-	case p.IsGateway():
-		r.setRingOneGatewayAllowedIPs(rp)
-	default:
-		r.setRingOneNodeAllowedIPs(rp)
-	}
-
-	r.Peers = append(r.Peers, rp)
-	return true
-}
-
-func (r *Ring) setRingZeroAllowedIPs(rp *RingPeer) {
-	zoneID, _, _ := r.Decode(rp.Address)
-
-	// everyone on ring0 is a gateway to ring1
-	addr, _ := RingOneAddress(zoneID, 0)
-	rp.AllowCIDR(addr, 12)
-
-	// peer
-	rp.AllowCIDR(rp.Address, 32)
-}
-
-func (r *Ring) setRingOneGatewayAllowedIPs(rp *RingPeer) {
-	zoneID, _, _ := r.Decode(rp.Address)
-
-	// peer
-	rp.AllowCIDR(rp.Address, 32)
-
-	// ring1 gateways connect to all other ring1 networks
-	r.ForEachZone(func(z *Zone) bool {
-		if z.ID != zoneID {
-			addr, _ := r.Encode(z.ID, 0)
-			rp.AllowCIDR(addr, 12)
-		}
-		return false
-	})
-
-	// ring1 gateways also connect to all ring0 addresses
-	r.ForEachZone(func(z *Zone) bool {
-		z.ForEachMachine(func(p *Machine) bool {
-			if p.IsGateway() {
-				addr, _ := RingZeroAddress(z.ID, p.ID)
-				rp.AllowCIDR(addr, 32)
-			}
-			return false
-		})
-		return false
-	})
-}
-
-func (*Ring) setRingOneNodeAllowedIPs(rp *RingPeer) {
-	// only to the peer itself
-	rp.AllowCIDR(rp.Address, 32)
-}
-
-// ForEachMachine calls a function for each Machine in the ring
-// until instructed to terminate the loop
-func (r *Ring) ForEachMachine(fn func(*Machine) bool) {
-	for _, pp := range r.Peers {
-		if fn(pp.Node) {
-			return
-		}
-	}
-}
-
-// ExportConfig builds a wgN.conf for the specified machine on the ring
-func (r *Ring) ExportConfig(p *Machine) (*wireguard.Config, error) {
-	var found bool
-
-	out := &wireguard.Config{
-		Interface: wireguard.InterfaceConfig{
-			ListenPort: r.Port,
-		},
-	}
-
-	for _, pp := range r.Peers {
-		switch {
-		case pp.Node == p:
-			// current
-			found = true
-			out.Interface.Name = pp.PeerConfig.Name
-			out.Interface.Address = pp.Address
-			out.Interface.PrivateKey = pp.PrivateKey
-		default:
-			// peer
-			pc := pp.PeerConfig
-			out.Peer = append(out.Peer, pc)
-		}
-	}
-
-	if !found {
-		return nil, fs.ErrNotExist
-	}
-
-	return out, nil
-}
-
-// A RingPeer is a node on a [Ring]
-type RingPeer struct {
-	Node *Machine
-
-	Address    netip.Addr
-	PrivateKey wireguard.PrivateKey
-	PeerConfig wireguard.PeerConfig
-}
-
-// AllowCIDR allows an IP range via this peer
-func (rp *RingPeer) AllowCIDR(addr netip.Addr, bits int) {
-	cidr := netip.PrefixFrom(addr, bits)
-	rp.PeerConfig.AllowedIPs = append(rp.PeerConfig.AllowedIPs, cidr)
-}
-
-// NewRing composes a new Ring for Wireguard setup
-func NewRing(z ZoneIterator, m MachineIterator, ring int) (*Ring, error) {
-	r := &Ring{
-		RingAddressEncoder: Rings[ring],
-		ZoneIterator:       z,
-	}
-
-	m.ForEachMachine(func(p *Machine) bool {
-		r.AddPeer(p)
-		return false
-	})
-
-	return r, nil
-}

pkg/zones/scan.go

@@ -5,16 +5,14 @@ import (
 	"sort"
 )
 
-func (m *Zones) scan(opts *ScanOptions) error {
+func (m *Zones) scan() error {
-	for _, fn := range []func(*ScanOptions) error{
+	for _, fn := range []func() error{
 		m.scanDirectory,
 		m.scanMachines,
 		m.scanZoneIDs,
 		m.scanSort,
-		m.scanGateways,
-		m.scanCephMonitors,
 	} {
-		if err := fn(opts); err != nil {
+		if err := fn(); err != nil {
 			return err
 		}
 	}
@@ -22,7 +20,7 @@ func (m *Zones) scan(opts *ScanOptions) error {
 	return nil
 }
 
-func (m *Zones) scanDirectory(_ *ScanOptions) error {
+func (m *Zones) scanDirectory() error {
 	// each directory is a zone
 	entries, err := fs.ReadDir(m.dir, ".")
 	if err != nil {
@@ -32,9 +30,8 @@ func (m *Zones) scanDirectory(_ *ScanOptions) error {
 	for _, e := range entries {
 		if e.IsDir() {
 			z := &Zone{
-				zones:  m,
+				zones: m,
-				logger: m,
+				Name:  e.Name(),
-				Name:   e.Name(),
 			}
 
 			if err := z.scan(); err != nil {
@@ -48,16 +45,16 @@ func (m *Zones) scanDirectory(_ *ScanOptions) error {
 	return nil
 }
 
-func (m *Zones) scanMachines(opts *ScanOptions) error {
+func (m *Zones) scanMachines() error {
 	var err error
 	m.ForEachMachine(func(p *Machine) bool {
-		err = p.scan(opts)
+		err = p.scan()
 		return err != nil
 	})
 	return err
 }
 
-func (m *Zones) scanZoneIDs(_ *ScanOptions) error {
+func (m *Zones) scanZoneIDs() error {
 	var hasMissing bool
 	var lastZoneID int
 
@@ -87,7 +84,7 @@ func (m *Zones) scanZoneIDs(_ *ScanOptions) error {
 	return nil
 }
 
-func (m *Zones) scanSort(_ *ScanOptions) error {
+func (m *Zones) scanSort() error {
 	sort.SliceStable(m.Zones, func(i, j int) bool {
 		id1 := m.Zones[i].ID
 		id2 := m.Zones[j].ID
@@ -95,14 +92,19 @@ func (m *Zones) scanSort(_ *ScanOptions) error {
 	})
 
 	m.ForEachZone(func(z *Zone) bool {
-		sort.Sort(z)
+		sort.SliceStable(z.Machines, func(i, j int) bool {
+			id1 := z.Machines[i].ID()
+			id2 := z.Machines[j].ID()
+			return id1 < id2
+		})
+
 		return false
 	})
 
 	m.ForEachMachine(func(p *Machine) bool {
-		sort.SliceStable(p.Rings, func(i, j int) bool {
+		sort.SliceStable(p.RingAddresses, func(i, j int) bool {
-			ri1 := p.Rings[i]
+			ri1 := p.RingAddresses[i]
-			ri2 := p.Rings[j]
+			ri2 := p.RingAddresses[j]
 
 			return ri1.Ring < ri2.Ring
 		})
@@ -113,16 +115,6 @@ func (m *Zones) scanSort(_ *ScanOptions) error {
 	return nil
 }
 
-func (m *Zones) scanGateways(_ *ScanOptions) error {
-	var err error
-
-	m.ForEachZone(func(z *Zone) bool {
-		_, _, err = z.GetGateway()
-		return err != nil
-	})
-	return err
-}
-
 func (z *Zone) scan() error {
 	// each directory is a machine
 	entries, err := fs.ReadDir(z.zones.dir, z.Name)
@@ -133,13 +125,8 @@ func (z *Zone) scan() error {
 	for _, e := range entries {
 		if e.IsDir() {
 			m := &Machine{
-				zone:   z,
+				zone: z,
-				logger: z,
+				Name: e.Name(),
-				Name:   e.Name(),
-			}
-
-			if err := m.init(); err != nil {
-				return err
 			}
 
 			z.Machines = append(z.Machines, m)
@@ -148,41 +135,3 @@ func (z *Zone) scan() error {
 
 	return nil
 }
-
-// GetGateway returns the first gateway found, if none
-// files will be created to enable the first [Machine] to
-// be one
-func (z *Zone) GetGateway() (*Machine, bool, error) {
-	var first *Machine
-	var gateway *Machine
-
-	z.zones.ForEachMachine(func(p *Machine) bool {
-		switch {
-		case p.IsGateway():
-			// found
-			gateway = p
-		case first == nil:
-			// remember
-			first = p
-		default:
-			// keep looking
-		}
-
-		return gateway != nil
-	})
-
-	switch {
-	case gateway != nil:
-		// found one
-		return gateway, false, nil
-	case first != nil:
-		// make one
-		if err := first.SetGateway(true); err != nil {
-			return first, false, err
-		}
-		return first, true, nil
-	default:
-		// Zone without nodes?
-		panic("unreachable")
-	}
-}

pkg/zones/sync.go

@@ -1,44 +0,0 @@
-package zones
-
-// SyncAll updates all config files
-func (m *Zones) SyncAll() error {
-	for _, fn := range []func() error{
-		m.SyncAllWireguard,
-		m.SyncAllCeph,
-	} {
-		if err := fn(); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-// SyncAllWireguard updates all wireguard config files
-func (m *Zones) SyncAllWireguard() error {
-	var err error
-
-	for ring := 0; ring < RingsCount; ring++ {
-		err = m.WriteWireguardKeys(ring)
-		if err != nil {
-			return err
-		}
-
-		err = m.SyncWireguardConfig(ring)
-		if err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-// SyncAllCeph updates the ceph.conf file
-func (m *Zones) SyncAllCeph() error {
-	cfg, err := m.GenCephConfig()
-	if err != nil {
-		return err
-	}
-
-	return m.WriteCephConfig(cfg)
-}

pkg/zones/wireguard.go

@@ -1,272 +0,0 @@
-package zones
-
-import (
-	"io/fs"
-	"os"
-)
-
-var (
-	_ WireguardConfigPruner = (*Zones)(nil)
-	_ WireguardConfigPruner = (*Zone)(nil)
-	_ WireguardConfigPruner = (*Machine)(nil)
-
-	_ WireguardConfigWriter = (*Zones)(nil)
-	_ WireguardConfigWriter = (*Zone)(nil)
-	_ WireguardConfigWriter = (*Machine)(nil)
-
-	_ WireguardConfigSyncer = (*Zones)(nil)
-	_ WireguardConfigSyncer = (*Zone)(nil)
-	_ WireguardConfigSyncer = (*Machine)(nil)
-
-	_ WireguardKeysWriter = (*Zones)(nil)
-	_ WireguardKeysWriter = (*Zone)(nil)
-	_ WireguardKeysWriter = (*Machine)(nil)
-)
-
-// A WireguardConfigPruner deletes wgN.conf on all machines under
-// its scope with the specified ring disabled
-type WireguardConfigPruner interface {
-	PruneWireguardConfig(ring int) error
-}
-
-// PruneWireguardConfig removes wgN.conf files of machines with
-// the corresponding ring disabled on all zones
-func (m *Zones) PruneWireguardConfig(ring int) error {
-	return pruneWireguardConfig(m, ring)
-}
-
-// PruneWireguardConfig removes wgN.conf files of machines with
-// the corresponding ring disabled.
-func (z *Zone) PruneWireguardConfig(ring int) error {
-	return pruneWireguardConfig(z, ring)
-}
-
-func pruneWireguardConfig(m MachineIterator, ring int) error {
-	var err error
-
-	m.ForEachMachine(func(p *Machine) bool {
-		err = p.PruneWireguardConfig(ring)
-		if os.IsNotExist(err) {
-			// ignore
-			err = nil
-		}
-
-		return err != nil
-	})
-
-	return err
-}
-
-// PruneWireguardConfig deletes the wgN.conf file if its
-// presence on the ring is disabled
-func (m *Machine) PruneWireguardConfig(ring int) error {
-	_, ok := m.getRingInfo(ring)
-	if !ok {
-		return m.RemoveWireguardConfig(ring)
-	}
-
-	return nil
-}
-
-// A WireguardConfigWriter rewrites all wgN.conf on all machines under
-// its scope attached to that ring
-type WireguardConfigWriter interface {
-	WriteWireguardConfig(ring int) error
-}
-
-// WriteWireguardConfig rewrites all wgN.conf on all machines
-// attached to that ring
-func (m *Zones) WriteWireguardConfig(ring int) error {
-	switch ring {
-	case 0:
-		return writeWireguardConfig(m, m, ring)
-	case 1:
-		var err error
-		m.ForEachZone(func(z *Zone) bool {
-			err = writeWireguardConfig(m, z, ring)
-			return err != nil
-		})
-		return err
-	default:
-		return fs.ErrInvalid
-	}
-}
-
-// WriteWireguardConfig rewrites all wgN.conf on all machines
-// on the Zone attached to that ring
-func (z *Zone) WriteWireguardConfig(ring int) error {
-	switch ring {
-	case 0:
-		return writeWireguardConfig(z.zones, z.zones, ring)
-	case 1:
-		return writeWireguardConfig(z.zones, z, ring)
-	default:
-		return fs.ErrInvalid
-	}
-}
-
-func writeWireguardConfig(z ZoneIterator, m MachineIterator, ring int) error {
-	r, err := NewRing(z, m, ring)
-	if err != nil {
-		return err
-	}
-
-	r.ForEachMachine(func(p *Machine) bool {
-		err = p.writeWireguardRingConfig(r)
-		return err != nil
-	})
-
-	return err
-}
-
-// WriteWireguardConfig rewrites the wgN.conf file of this Machine
-// if enabled
-func (m *Machine) WriteWireguardConfig(ring int) error {
-	r, err := NewRing(m.zone.zones, m.zone, ring)
-	if err != nil {
-		return err
-	}
-
-	return m.writeWireguardRingConfig(r)
-}
-
-func (m *Machine) writeWireguardRingConfig(r *Ring) error {
-	wg, err := r.ExportConfig(m)
-	if err != nil {
-		return nil
-	}
-
-	f, err := m.CreateTruncFile("wg%v.conf", r.ID)
-	if err != nil {
-		return err
-	}
-	defer f.Close()
-
-	_, err = wg.WriteTo(f)
-	return err
-}
-
-// A WireguardConfigSyncer updates all wgN.conf on all machines under
-// its scope reflecting the state of the ring
-type WireguardConfigSyncer interface {
-	SyncWireguardConfig(ring int) error
-}
-
-// SyncWireguardConfig updates all wgN.conf files for the specified
-// ring
-func (m *Zones) SyncWireguardConfig(ring int) error {
-	switch ring {
-	case 0:
-		return syncWireguardConfig(m, m, ring)
-	case 1:
-		var err error
-		m.ForEachZone(func(z *Zone) bool {
-			err = syncWireguardConfig(m, z, ring)
-			return err != nil
-		})
-		return err
-	default:
-		return fs.ErrInvalid
-	}
-}
-
-// SyncWireguardConfig updates all wgN.conf files for the specified
-// ring
-func (z *Zone) SyncWireguardConfig(ring int) error {
-	switch ring {
-	case 0:
-		return syncWireguardConfig(z.zones, z.zones, ring)
-	case 1:
-		return syncWireguardConfig(z.zones, z, ring)
-	default:
-		return fs.ErrInvalid
-	}
-}
-
-func syncWireguardConfig(z ZoneIterator, m MachineIterator, ring int) error {
-	r, err := NewRing(z, m, ring)
-	if err != nil {
-		return err
-	}
-
-	r.ForEachMachine(func(p *Machine) bool {
-		if _, ok := p.getRingInfo(ring); ok {
-			err = p.writeWireguardRingConfig(r)
-		} else {
-			err = p.RemoveWireguardConfig(ring)
-		}
-		return err != nil
-	})
-
-	return err
-}
-
-// SyncWireguardConfig updates all wgN.conf files for the specified
-// ring
-func (m *Machine) SyncWireguardConfig(ring int) error {
-	return m.zone.SyncWireguardConfig(ring)
-}
-
-// A WireguardKeysWriter writes the Wireguard Keys for all machines
-// under its scope for the specified ring
-type WireguardKeysWriter interface {
-	WriteWireguardKeys(ring int) error
-}
-
-// WriteWireguardKeys rewrites all wgN.{key,pub} files
-func (m *Zones) WriteWireguardKeys(ring int) error {
-	return writeWireguardKeys(m, ring)
-}
-
-// WriteWireguardKeys rewrites all wgN.{key,pub} files on this zone
-func (z *Zone) WriteWireguardKeys(ring int) error {
-	return writeWireguardKeys(z, ring)
-}
-
-func writeWireguardKeys(m MachineIterator, ring int) error {
-	var err error
-
-	m.ForEachMachine(func(p *Machine) bool {
-		err = p.WriteWireguardKeys(ring)
-		if os.IsNotExist(err) {
-			// ignore
-			err = nil
-		}
-
-		return err != nil
-	})
-
-	return err
-}
-
-// WriteWireguardKeys writes the wgN.key/wgN.pub files
-func (m *Machine) WriteWireguardKeys(ring int) error {
-	var err error
-	var key, pub string
-	var ri *RingInfo
-
-	ri, _ = m.getRingInfo(ring)
-	if ri != nil {
-		key = ri.Keys.PrivateKey.String()
-		pub = ri.Keys.PublicKey.String()
-	}
-
-	switch {
-	case key == "":
-		return fs.ErrNotExist
-	case pub == "":
-		pub = ri.Keys.PrivateKey.Public().String()
-	}
-
-	err = m.WriteStringFile(key+"\n", "wg%v.key", ring)
-	if err != nil {
-		return err
-	}
-
-	err = m.WriteStringFile(pub+"\n", "wg%v.pub", ring)
-	if err != nil {
-		return err
-	}
-
-	return nil
-}

pkg/zones/zones.go

@@ -3,157 +3,44 @@ package zones
 
 import (
 	"io/fs"
-	"sort"
+	"os"
 
 	"darvaza.org/resolver"
-	"darvaza.org/slog"
-	"github.com/gofrs/uuid/v5"
 )
 
-var (
-	_ MachineIterator = Machines(nil)
-	_ sort.Interface  = Machines(nil)
-
-	_ MachineIterator = (*Zone)(nil)
-	_ MachineIterator = (*Zones)(nil)
-	_ ZoneIterator    = (*Zones)(nil)
-)
-
-// A MachineIterator is a set of Machines we can iterate on
-type MachineIterator interface {
-	ForEachMachine(func(*Machine) bool)
-}
-
-// A ZoneIterator is a set of Zones we can iterate on
-type ZoneIterator interface {
-	ForEachZone(func(*Zone) bool)
-}
-
-// Machines is a list of Machine objects
-type Machines []*Machine
-
-// ForEachMachine calls a function for each Machine in the list
-// until instructed to terminate the loop
-func (m Machines) ForEachMachine(fn func(*Machine) bool) {
-	for _, p := range m {
-		if fn(p) {
-			return
-		}
-	}
-}
-
-// Len returns the number of machines in the list
-func (m Machines) Len() int {
-	return len(m)
-}
-
-// Less implements sort.Interface to sort the list
-func (m Machines) Less(i, j int) bool {
-	a, b := m[i], m[j]
-	za, zb := a.Zone(), b.Zone()
-
-	switch {
-	case za == zb:
-		return a.ID < b.ID
-	default:
-		return za < zb
-	}
-}
-
-// Swap implements sort.Interface to sort the list
-func (m Machines) Swap(i, j int) {
-	m[i], m[j] = m[j], m[i]
-}
-
-// FilterMachines produces a subset of the machines offered by the given
-// iterator fulfilling a condition
-func FilterMachines(m MachineIterator, cond func(*Machine) bool) (Machines, int) {
-	var out []*Machine
-
-	if cond == nil {
-		// unconditional
-		cond = func(*Machine) bool { return true }
-	}
-
-	m.ForEachMachine(func(p *Machine) bool {
-		if cond(p) {
-			out = append(out, p)
-		}
-		return false
-	})
-
-	return out, len(out)
-}
-
 // Zone represents one zone in a cluster
 type Zone struct {
 	zones *Zones
-	logger
 
-	ID   int    `toml:"id"`
+	ID   int
-	Name string `toml:"name"`
+	Name string
 
-	Machines `toml:"machines"`
+	Machines []*Machine `toml:"machines"`
 }
 
 func (z *Zone) String() string {
 	return z.Name
 }
 
-// SetGateway configures a machine to be the zone's ring0 gateway
+// ForEachMachine calls a function for each Machine in the zone
-func (z *Zone) SetGateway(gatewayID int, enabled bool) error {
+// until instructed to terminate the loop
-	var err error
+func (z *Zone) ForEachMachine(fn func(*Machine) bool) {
-	var found bool
+	for _, p := range z.Machines {
-
+		if fn(p) {
-	z.ForEachMachine(func(p *Machine) bool {
+			return
-		if p.ID == gatewayID {
-			found = true
-			err = p.SetGateway(enabled)
-
-			return true
 		}
-		return false
-	})
-
-	switch {
-	case err != nil:
-		return err
-	case !found:
-		return fs.ErrNotExist
-	default:
-		return nil
 	}
 }
 
-// GatewayIDs returns the list of IDs of machines that act as ring0 gateways
-func (z *Zone) GatewayIDs() ([]int, int) {
-	var out []int
-	z.ForEachMachine(func(p *Machine) bool {
-		if p.IsGateway() {
-			out = append(out, p.ID)
-		}
-		return false
-	})
-
-	return out, len(out)
-}
-
-// revive:disable:line-length-limit
-
 // Zones represents all zones in a cluster
 type Zones struct {
 	dir      fs.FS
-	log      slog.Logger
 	resolver resolver.Resolver
 	domain   string
 
-	CephFSID uuid.UUID `toml:"ceph_fsid,omitempty" json:"ceph_fsid,omitempty" yaml:"ceph_fsid,omitempty"`
-
 	Zones []*Zone `toml:"zones"`
 }
 
-// revive:enable:line-length-limit
-
 // ForEachMachine calls a function for each Machine in the cluster
 // until instructed to terminate the loop
 func (m *Zones) ForEachMachine(fn func(*Machine) bool) {
@@ -197,3 +84,25 @@ func (m *Zones) GetMachineByName(name string) (*Machine, bool) {
 
 	return out, out != nil
 }
+
+// NewFS builds a [Zones] tree using the given directory
+func NewFS(dir fs.FS, domain string) (*Zones, error) {
+	lockuper := resolver.NewCloudflareLookuper()
+
+	z := &Zones{
+		dir:      dir,
+		resolver: resolver.NewResolver(lockuper),
+		domain:   domain,
+	}
+
+	if err := z.scan(); err != nil {
+		return nil, err
+	}
+
+	return z, nil
+}
+
+// New builds a [Zones] tree using the given directory
+func New(dir, domain string) (*Zones, error) {
+	return NewFS(os.DirFS(dir), domain)
+}

pkg/zones/zones_file.go

@@ -1,46 +0,0 @@
-package zones
-
-import (
-	"fmt"
-	"io"
-	"os"
-
-	fs "github.com/hack-pad/hackpadfs"
-)
-
-// OpenFile opens a file on the cluster's config directory with the specified flags
-func (m *Zones) OpenFile(name string, flags int, args ...any) (fs.File, error) {
-	if len(args) > 0 {
-		name = fmt.Sprintf(name, args...)
-	}
-
-	return fs.OpenFile(m.dir, name, flags, 0644)
-}
-
-// CreateTruncFile creates or truncates a file on the cluster's config directory
-func (m *Zones) CreateTruncFile(name string, args ...any) (io.WriteCloser, error) {
-	return m.openWriter(name, os.O_CREATE|os.O_TRUNC, args...)
-}
-
-// CreateFile creates a file on the cluster's config directory
-func (m *Zones) CreateFile(name string, args ...any) (io.WriteCloser, error) {
-	return m.openWriter(name, os.O_CREATE, args...)
-}
-
-func (m *Zones) openWriter(name string, flags int, args ...any) (io.WriteCloser, error) {
-	f, err := m.OpenFile(name, os.O_WRONLY|flags, args...)
-	if err != nil {
-		return nil, err
-	}
-
-	return f.(io.WriteCloser), nil
-}
-
-// ReadFile reads a file from the cluster's config directory
-func (m *Zones) ReadFile(name string, args ...any) ([]byte, error) {
-	if len(args) > 0 {
-		name = fmt.Sprintf(name, args...)
-	}
-
-	return fs.ReadFile(m.dir, name)
-}