env: set ceph monitors variables

they indicate the ceph monitors on the specified zone

* MON{zoneID}_NAME
* MON{zoneID}_ID
* MON{zoneID}_IP

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

pkg/ceph/config.go

@@ -1,11 +1,8 @@
 package ceph
 
 import (
-	"bytes"
-	"fmt"
 	"io"
 	"net/netip"
-	"strings"
 
 	"github.com/gofrs/uuid/v5"
 
@@ -20,37 +17,11 @@ type Config struct {
 // 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"`
+	Monitors       []string     `ini:"mon_host,comma"`
+	MonitorsAddr   []netip.Addr `ini:"mon_initial_members,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)

pkg/ceph/config_parser.go

@@ -43,8 +43,6 @@ 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) {

pkg/zones/ceph.go

@@ -31,18 +31,6 @@ func (m *Zones) GetCephConfig() (*ceph.Config, error) {
 	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()

pkg/zones/ceph_scan.go

@@ -53,7 +53,7 @@ func (err CephMissingMonitorError) Error() string {
 
 func (err *CephMissingMonitorError) writeNames(w *strings.Builder) {
 	if len(err.Names) > 0 {
-		_, _ = w.WriteString(" mon_initial_members:")
+		_, _ = w.WriteString(" mon_host:")
 		for i, name := range err.Names {
 			if i != 0 {
 				_, _ = w.WriteRune(',')
@@ -64,14 +64,12 @@ func (err *CephMissingMonitorError) writeNames(w *strings.Builder) {
 }
 
 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())
+	_, _ = w.WriteString(" mon_initial_members:")
+	for i, addr := range err.Addrs {
+		if i != 0 {
+			_, _ = w.WriteRune(',')
 		}
+		_, _ = w.WriteString(addr.String())
 	}
 }
 
@@ -159,19 +157,14 @@ func (m *Zones) scanCephMonitors(_ *ScanOptions) error {
 		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")
-		}
+	// 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

pkg/zones/sync.go

@@ -4,7 +4,6 @@ package zones
 func (m *Zones) SyncAll() error {
 	for _, fn := range []func() error{
 		m.SyncAllWireguard,
-		m.SyncAllCeph,
 	} {
 		if err := fn(); err != nil {
 			return err
@@ -32,13 +31,3 @@ func (m *Zones) SyncAllWireguard() error {
 
 	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)
-}