add knecht

knecht/cmd/deploy.go

@@ -0,0 +1,68 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/jensbecker/homelab/knecht/portainer"
+	"github.com/jensbecker/homelab/knecht/stack"
+	"github.com/spf13/cobra"
+)
+
+var deployCmd = &cobra.Command{
+	Use:   "deploy <stack>",
+	Short: "Deploy a new stack from services/<stack>/docker-compose.yml",
+	Args:  cobra.ExactArgs(1),
+	RunE: func(cmd *cobra.Command, args []string) error {
+		_, client, svcPath, err := setup()
+		if err != nil {
+			return err
+		}
+
+		name := args[0]
+		local, err := stack.Get(svcPath, name)
+		if err != nil {
+			return err
+		}
+
+		// Check if already deployed
+		existing, err := client.GetStackByName(name)
+		if err != nil {
+			return err
+		}
+		if existing != nil {
+			return fmt.Errorf("stack %q already exists (id %d) — use `knecht update %s` instead", name, existing.ID, name)
+		}
+
+		compose, err := local.ReadCompose()
+		if err != nil {
+			return err
+		}
+
+		// Collect env vars from .env.example keys — values left empty for user to set in Portainer
+		exampleKeys, err := local.EnvExampleKeys()
+		if err != nil {
+			return err
+		}
+		env := make([]portainer.EnvVar, len(exampleKeys))
+		for i, k := range exampleKeys {
+			env[i] = portainer.EnvVar{Name: k, Value: ""}
+		}
+
+		s, err := client.CreateStack(name, compose, env)
+		if err != nil {
+			return err
+		}
+		fmt.Printf("Deployed stack %q (id %d)\n", s.Name, s.ID)
+		if len(exampleKeys) > 0 {
+			fmt.Println("Set the following env vars in Portainer:")
+			for _, k := range exampleKeys {
+				fmt.Printf("  • %s\n", k)
+			}
+		}
+		return nil
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(deployCmd)
+}