feat: implement undeploy command

TODO.md

@@ -30,7 +30,8 @@
       - [ ] `generate`
       - [ ] `insert`
       - [ ] `rm`
-    - [ ] `undeploy`
+      - [ ] `ls`
+    - [x] `undeploy`
     - [ ] `volume`
       - [ ] `ls` (WIP: knoflook)
       - [ ] `rm` (WIP: knoflook)

cli/app/undeploy.go

@@ -1,7 +1,49 @@
 package app
 
-import "github.com/urfave/cli/v2"
+import (
+	"context"
+	"errors"
+
+	"coopcloud.tech/abra/cli/internal"
+	"coopcloud.tech/abra/client"
+	"coopcloud.tech/abra/client/swarm"
+	"coopcloud.tech/abra/config"
+	"github.com/docker/cli/cli/command/stack/options"
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli/v2"
+)
 
 var appUndeployCommand = &cli.Command{
-	Name: "undeploy",
+	Name:  "undeploy",
+	Usage: "Undeploy an app",
+	Action: func(c *cli.Context) error {
+		appName := c.Args().First()
+		if appName == "" {
+			internal.ShowSubcommandHelpAndError(c, errors.New("no app name provided"))
+		}
+
+		appFiles, err := config.LoadAppFiles("")
+		if err != nil {
+			logrus.Fatal(err)
+		}
+
+		appEnv, err := config.GetApp(appFiles, appName)
+		if err != nil {
+			logrus.Fatal(err)
+		}
+
+		ctx := context.Background()
+		host := appFiles[appName].Server
+		cl, err := client.NewClientWithContext(host)
+		if err != nil {
+			logrus.Fatal(err)
+		}
+
+		rmOpts := options.Remove{Namespaces: []string{appEnv.StackName()}}
+		if err := swarm.RunRemove(ctx, cl, rmOpts); err != nil {
+			logrus.Fatal(err)
+		}
+
+		return nil
+	},
 }

client/swarm/common.go

@@ -0,0 +1,50 @@
+package swarm
+
+import (
+	"context"
+
+	"github.com/docker/cli/cli/compose/convert"
+	"github.com/docker/cli/opts"
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/filters"
+	"github.com/docker/docker/api/types/swarm"
+	"github.com/docker/docker/client"
+)
+
+func getStackFilter(namespace string) filters.Args {
+	filter := filters.NewArgs()
+	filter.Add("label", convert.LabelNamespace+"="+namespace)
+	return filter
+}
+
+func getStackServiceFilter(namespace string) filters.Args {
+	return getStackFilter(namespace)
+}
+
+func getStackFilterFromOpt(namespace string, opt opts.FilterOpt) filters.Args {
+	filter := opt.Value()
+	filter.Add("label", convert.LabelNamespace+"="+namespace)
+	return filter
+}
+
+func getAllStacksFilter() filters.Args {
+	filter := filters.NewArgs()
+	filter.Add("label", convert.LabelNamespace)
+	return filter
+}
+
+func getStackServices(ctx context.Context, apiclient client.APIClient, namespace string) ([]swarm.Service, error) {
+	return apiclient.ServiceList(ctx, types.ServiceListOptions{Filters: getStackServiceFilter(namespace)})
+}
+
+func getStackNetworks(ctx context.Context, apiclient client.APIClient, namespace string) ([]types.NetworkResource, error) {
+	return apiclient.NetworkList(ctx, types.NetworkListOptions{Filters: getStackFilter(namespace)})
+}
+
+func getStackSecrets(ctx context.Context, apiclient client.APIClient, namespace string) ([]swarm.Secret, error) {
+	return apiclient.SecretList(ctx, types.SecretListOptions{Filters: getStackFilter(namespace)})
+}
+
+func getStackConfigs(ctx context.Context, apiclient client.APIClient, namespace string) ([]swarm.Config, error) {
+	return apiclient.ConfigList(ctx, types.ConfigListOptions{Filters: getStackFilter(namespace)})
+}

client/swarm/remove.go

@@ -0,0 +1,139 @@
+package swarm
+
+import (
+	"context"
+	"fmt"
+	"sort"
+	"strings"
+
+	"github.com/docker/cli/cli/command/stack/options"
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/swarm"
+	"github.com/docker/docker/api/types/versions"
+	apiclient "github.com/docker/docker/client"
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+)
+
+// RunRemove is the swarm implementation of docker stack remove
+func RunRemove(ctx context.Context, client *apiclient.Client, opts options.Remove) error {
+	var errs []string
+	for _, namespace := range opts.Namespaces {
+		services, err := getStackServices(ctx, client, namespace)
+		if err != nil {
+			return err
+		}
+
+		networks, err := getStackNetworks(ctx, client, namespace)
+		if err != nil {
+			return err
+		}
+
+		var secrets []swarm.Secret
+		if versions.GreaterThanOrEqualTo(client.ClientVersion(), "1.25") {
+			secrets, err = getStackSecrets(ctx, client, namespace)
+			if err != nil {
+				return err
+			}
+		}
+
+		var configs []swarm.Config
+		if versions.GreaterThanOrEqualTo(client.ClientVersion(), "1.30") {
+			configs, err = getStackConfigs(ctx, client, namespace)
+			if err != nil {
+				return err
+			}
+		}
+
+		if len(services)+len(networks)+len(secrets)+len(configs) == 0 {
+			logrus.Warning(fmt.Errorf("nothing found in stack: %s", namespace))
+			continue
+		}
+
+		hasError := removeServices(ctx, client, services)
+		hasError = removeSecrets(ctx, client, secrets) || hasError
+		hasError = removeConfigs(ctx, client, configs) || hasError
+		hasError = removeNetworks(ctx, client, networks) || hasError
+
+		if hasError {
+			errs = append(errs, fmt.Sprintf("failed to remove some resources from stack: %s", namespace))
+		}
+	}
+
+	if len(errs) > 0 {
+		return errors.Errorf(strings.Join(errs, "\n"))
+	}
+
+	return nil
+}
+
+func sortServiceByName(services []swarm.Service) func(i, j int) bool {
+	return func(i, j int) bool {
+		return services[i].Spec.Name < services[j].Spec.Name
+	}
+}
+
+func removeServices(
+	ctx context.Context,
+	client *apiclient.Client,
+	services []swarm.Service,
+) bool {
+	var hasError bool
+	sort.Slice(services, sortServiceByName(services))
+	for _, service := range services {
+		logrus.Infof("removing service %s\n", service.Spec.Name)
+		if err := client.ServiceRemove(ctx, service.ID); err != nil {
+			hasError = true
+			logrus.Fatalf("failed to remove service %s: %s", service.ID, err)
+		}
+	}
+	return hasError
+}
+
+func removeNetworks(
+	ctx context.Context,
+	client *apiclient.Client,
+	networks []types.NetworkResource,
+) bool {
+	var hasError bool
+	for _, network := range networks {
+		logrus.Infof("removing network %s\n", network.Name)
+		if err := client.NetworkRemove(ctx, network.ID); err != nil {
+			hasError = true
+			logrus.Fatalf("failed to remove network %s: %s", network.ID, err)
+		}
+	}
+	return hasError
+}
+
+func removeSecrets(
+	ctx context.Context,
+	client *apiclient.Client,
+	secrets []swarm.Secret,
+) bool {
+	var hasError bool
+	for _, secret := range secrets {
+		logrus.Infof("Removing secret %s\n", secret.Spec.Name)
+		if err := client.SecretRemove(ctx, secret.ID); err != nil {
+			hasError = true
+			logrus.Fatalf("Failed to remove secret %s: %s", secret.ID, err)
+		}
+	}
+	return hasError
+}
+
+func removeConfigs(
+	ctx context.Context,
+	client *apiclient.Client,
+	configs []swarm.Config,
+) bool {
+	var hasError bool
+	for _, config := range configs {
+		logrus.Infof("removing config %s\n", config.Spec.Name)
+		if err := client.ConfigRemove(ctx, config.ID); err != nil {
+			hasError = true
+			logrus.Fatalf("failed to remove config %s: %s", config.ID, err)
+		}
+	}
+	return hasError
+}

go.mod

@@ -12,6 +12,7 @@ require (
 	github.com/docker/docker v20.10.7+incompatible
 	github.com/docker/docker-credential-helpers v0.6.4 // indirect
 	github.com/docker/go-units v0.4.0
+	github.com/docker/swarmkit v1.12.1-0.20210211175721-17d8d4e4d8bd // indirect
 	github.com/fvbommel/sortorder v1.0.2 // indirect
 	github.com/go-git/go-git/v5 v5.4.2
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect

go.sum

@@ -217,6 +217,7 @@ github.com/containers/ocicrypt v1.0.1/go.mod h1:MeJDzk1RJHv89LjsH0Sp5KTY3ZYkjXO/
 github.com/containers/ocicrypt v1.1.0/go.mod h1:b8AOe0YR67uU8OqfVNcznfFpAzu3rdgUV4GP9qXPfu4=
 github.com/containers/ocicrypt v1.1.1/go.mod h1:Dm55fwWm1YZAjYRaJ94z2mfZikIyIN4B0oB3dj3jFxY=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
+github.com/coreos/etcd v3.3.10+incompatible h1:jFneRYjIvLMLhDLCzuTuU4rSJUjRplcJQ7pD7MnhC04=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-iptables v0.4.5/go.mod h1:/mVI274lEDI2ns62jHCDnCyBF9Iwsmekav8Dbxlm1MU=
 github.com/coreos/go-iptables v0.5.0/go.mod h1:/mVI274lEDI2ns62jHCDnCyBF9Iwsmekav8Dbxlm1MU=
@@ -268,6 +269,7 @@ github.com/docker/go v1.5.1-1.0.20160303222718-d30aec9fd63c/go.mod h1:CADgU4DSXK
 github.com/docker/go-connections v0.4.0 h1:El9xVISelRB7BuFusrZozjnkIM5YnzCViNKohAFqRJQ=
 github.com/docker/go-connections v0.4.0/go.mod h1:Gbd7IOopHjR8Iph03tsViu4nIes5XhDvyHbTtUxmeec=
 github.com/docker/go-events v0.0.0-20170721190031-9461782956ad/go.mod h1:Uw6UezgYA44ePAFQYUehOuCzmy5zmg/+nl2ZfMWGkpA=
+github.com/docker/go-events v0.0.0-20190806004212-e31b211e4f1c h1:+pKlWGMw7gf6bQ+oDZB4KHQFypsfjYlq/C4rfL7D3g8=
 github.com/docker/go-events v0.0.0-20190806004212-e31b211e4f1c/go.mod h1:Uw6UezgYA44ePAFQYUehOuCzmy5zmg/+nl2ZfMWGkpA=
 github.com/docker/go-metrics v0.0.0-20180209012529-399ea8c73916/go.mod h1:/u0gXw0Gay3ceNrsHubL3BtdOL2fHf93USgMTe0W5dI=
 github.com/docker/go-metrics v0.0.1 h1:AgB/0SvBxihN0X8OR4SjsblXkbMvalQ8cjmtKQ2rQV8=
@@ -278,6 +280,8 @@ github.com/docker/libtrust v0.0.0-20150114040149-fa567046d9b1/go.mod h1:cyGadeNE
 github.com/docker/libtrust v0.0.0-20160708172513-aabc10ec26b7 h1:UhxFibDNY/bfvqU5CAUmr9zpesgbU6SWc8/B4mflAE4=
 github.com/docker/libtrust v0.0.0-20160708172513-aabc10ec26b7/go.mod h1:cyGadeNEkKy96OOhEzfZl+yxihPEzKnqJwvfuSUqbZE=
 github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96/go.mod h1:Qh8CwZgvJUkLughtfhJv5dyTYa91l1fOUCrgjqmcifM=
+github.com/docker/swarmkit v1.12.1-0.20210211175721-17d8d4e4d8bd h1:dXzP1rNMBwmZpvCH+FsQ9lEG1mv2+uJFxGo05+Eq78k=
+github.com/docker/swarmkit v1.12.1-0.20210211175721-17d8d4e4d8bd/go.mod h1:n3Z4lIEl7g261ptkGDBcYi/3qBMDl9csaAhwi2MPejs=
 github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE=
 github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=