jpictl: initial env command [WIP]

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

cmd/jpictl/env.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"os"
+
+	"github.com/spf13/cobra"
+
+	"git.jpi.io/amery/jpictl/pkg/zones"
+)
+
+// Command
+var envCmd = &cobra.Command{
+	Use:   "env",
+	Short: "generates environment variables for shell scripts",
+	RunE: func(_ *cobra.Command, _ []string) error {
+		m, err := zones.New(cfg.Base, cfg.Domain)
+		if err != nil {
+			return err
+		}
+
+		return m.WriteEnv(os.Stdout)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(envCmd)
+}

pkg/zones/env.go

@@ -0,0 +1,9 @@
+// Package zones abstracts the cluster zones
+package zones
+
+import "io"
+
+// WriteEnv generates environment variables for shell scripts
+func (*Zones) WriteEnv(io.Writer) error {
+	return nil
+}

pkg/zones/machine_scan.go

@@ -24,3 +24,7 @@ func (m *Machine) updatePublicAddresses() error {
 	m.PublicAddresses = addrs
 	return nil
 }
+
+func (m *Machine) scan() error {
+	return m.updatePublicAddresses()
+}

pkg/zones/scan.go

@@ -43,13 +43,19 @@ func (z *Zone) scan() error {
 				Name: e.Name(),
 			}
 
-			if err := m.updatePublicAddresses(); err != nil {
-				return err
-			}
-
 			z.Machines = append(z.Machines, m)
 		}
 	}
 
-	return nil
+	return z.scanMachines()
+}
+
+func (z *Zone) scanMachines() error {
+	var err error
+	z.zones.ForEachMachine(func(m *Machine) {
+		if err == nil {
+			err = m.scan()
+		}
+	})
+	return err
 }