make start/stop functions start/stop workers as well

cli/commands.go

@@ -202,39 +202,50 @@ func DeleteCluster(c *cli.Context) error {
 // StopCluster stops a running cluster container (restartable)
 func StopCluster(c *cli.Context) error {
 
-	ctx := context.Background()
+	// operate on one or all clusters
-	docker, err := client.NewEnvClient()
+	clusters := make(map[string]cluster)
+	if !c.Bool("all") {
+		cluster, err := getCluster(c.String("name"))
 		if err != nil {
 			return err
 		}
-
+		clusters[c.String("name")] = cluster
-	clusterNames := []string{}
-
-	// operate on one or all clusters
-	if !c.Bool("all") {
-		clusterNames = append(clusterNames, c.String("name"))
 	} else {
-		clusterList, err := getClusterNames()
+		clusterMap, err := getClusters()
 		if err != nil {
 			return fmt.Errorf("ERROR: `--all` specified, but no clusters were found\n%+v", err)
 		}
-		clusterNames = append(clusterNames, clusterList...)
+		// copy clusterMap
+		for k, v := range clusterMap {
+			clusters[k] = v
+		}
 	}
 
-	// stop clusters one by one instead of appending all names to the docker command
+	ctx := context.Background()
-	// this allows for more granular error handling and logging
+	docker, err := client.NewEnvClient()
-	for _, name := range clusterNames {
-		log.Printf("Stopping cluster [%s]", name)
-		cluster, err := getCluster(name)
 	if err != nil {
-			log.Printf("WARNING: couldn't get docker info for %s", name)
+		return fmt.Errorf("ERROR: couldn't create docker client\n%+v", err)
+	}
+
+	// remove clusters one by one instead of appending all names to the docker command
+	// this allows for more granular error handling and logging
+	for _, cluster := range clusters {
+		log.Printf("Stopping cluster [%s]", cluster.name)
+		if len(cluster.workers) > 0 {
+			log.Printf("...Stopping %d workers\n", len(cluster.workers))
+			for _, worker := range cluster.workers {
+				if err := docker.ContainerStop(ctx, worker.ID, nil); err != nil {
+					log.Println(err)
 					continue
 				}
+			}
+		}
+		log.Println("...Stopping server")
 		if err := docker.ContainerStop(ctx, cluster.server.ID, nil); err != nil {
-			fmt.Printf("WARNING: couldn't stop cluster %s\n%+v", cluster.name, err)
+			return fmt.Errorf("ERROR: Couldn't stop server for cluster %s\n%+v", cluster.name, err)
-			continue
 		}
-		log.Printf("SUCCESS: stopped cluster [%s]", cluster.name)
+
+		log.Printf("SUCCESS: Stopped cluster [%s]", cluster.name)
 	}
 
 	return nil
@@ -242,39 +253,52 @@ func StopCluster(c *cli.Context) error {
 
 // StartCluster starts a stopped cluster container
 func StartCluster(c *cli.Context) error {
-	ctx := context.Background()
+	// operate on one or all clusters
-	docker, err := client.NewEnvClient()
+	clusters := make(map[string]cluster)
+	if !c.Bool("all") {
+		cluster, err := getCluster(c.String("name"))
 		if err != nil {
 			return err
 		}
-
+		clusters[c.String("name")] = cluster
-	clusterNames := []string{}
-
-	// operate on one or all clusters
-	if !c.Bool("all") {
-		clusterNames = append(clusterNames, c.String("name"))
 	} else {
-		clusterList, err := getClusterNames()
+		clusterMap, err := getClusters()
 		if err != nil {
 			return fmt.Errorf("ERROR: `--all` specified, but no clusters were found\n%+v", err)
 		}
-		clusterNames = append(clusterNames, clusterList...)
+		// copy clusterMap
+		for k, v := range clusterMap {
+			clusters[k] = v
+		}
 	}
 
-	// stop clusters one by one instead of appending all names to the docker command
+	ctx := context.Background()
-	// this allows for more granular error handling and logging
+	docker, err := client.NewEnvClient()
-	for _, name := range clusterNames {
-		log.Printf("Starting cluster [%s]", name)
-		cluster, err := getCluster(name)
 	if err != nil {
-			log.Printf("WARNING: couldn't get docker info for %s", name)
+		return fmt.Errorf("ERROR: couldn't create docker client\n%+v", err)
-			continue
 	}
+
+	// remove clusters one by one instead of appending all names to the docker command
+	// this allows for more granular error handling and logging
+	for _, cluster := range clusters {
+		log.Printf("Starting cluster [%s]", cluster.name)
+
+		log.Println("...Starting server")
 		if err := docker.ContainerStart(ctx, cluster.server.ID, types.ContainerStartOptions{}); err != nil {
-			fmt.Printf("WARNING: couldn't start cluster %s\n%+v", cluster.name, err)
+			return fmt.Errorf("ERROR: Couldn't start server for cluster %s\n%+v", cluster.name, err)
+		}
+
+		if len(cluster.workers) > 0 {
+			log.Printf("...Starting %d workers\n", len(cluster.workers))
+			for _, worker := range cluster.workers {
+				if err := docker.ContainerStart(ctx, worker.ID, types.ContainerStartOptions{}); err != nil {
+					log.Println(err)
 					continue
 				}
-		log.Printf("SUCCESS: started cluster [%s]", cluster.name)
+			}
+		}
+
+		log.Printf("SUCCESS: Started cluster [%s]", cluster.name)
 	}
 
 	return nil

cli/config.go

@@ -3,7 +3,6 @@ package run
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"log"
 	"os"
 	"path"
@@ -92,28 +91,6 @@ func printClusters(all bool) {
 	table.Render()
 }
 
-// getClusterNames returns a list of cluster names which are folder names in the config directory
-func getClusterNames() ([]string, error) {
-	homeDir, err := homedir.Dir()
-	if err != nil {
-		log.Printf("ERROR: Couldn't get user's home directory")
-		return nil, err
-	}
-	configDir := path.Join(homeDir, ".config", "k3d")
-	files, err := ioutil.ReadDir(configDir)
-	if err != nil {
-		log.Printf("ERROR: Couldn't list files in [%s]", configDir)
-		return nil, err
-	}
-	clusters := []string{}
-	for _, file := range files {
-		if file.IsDir() {
-			clusters = append(clusters, file.Name())
-		}
-	}
-	return clusters, nil
-}
-
 // getClusters uses the docker API to get existing clusters and compares that with the list of cluster directories
 func getClusters() (map[string]cluster, error) {
 	ctx := context.Background()