Merge pull request #2020 from FabianKramm/master

refactor: make ssh port stable if already in .ssh/config

cmd/run_pipeline.go

@@ -374,8 +374,12 @@ func runPipeline(ctx *devspacecontext.Context, f factory.Factory, forceLeader bo
 		ctx.Log.Debugf("Run pipeline:\n%s\n", string(configPipelineBytes))
 	}
 
+	// create dev context
+	devCtxCancel, cancelDevCtx := context.WithCancel(ctx.Context)
+	ctx = ctx.WithContext(values.WithDevContext(ctx.Context, devCtxCancel))
+
 	// create a new base dev pod manager
-	devPodManager := devpod.NewManager(ctx.Context)
+	devPodManager := devpod.NewManager(cancelDevCtx)
 	defer devPodManager.Close()
 
 	// create dependency registry

pkg/devspace/build/builder/restart/restart.go

@@ -70,10 +70,10 @@ counter=0
 while ! [ -f $touchFile ]; do
   if [ "$counter" = "0" ]; then
     echo "Container started with restart helper."
-    echo "Waiting for initial sync to complete before starting application..."
+    echo "Waiting for initial sync to complete or file $touchFile to exist before starting the application..."
   else
     if [ "$counter" = 10 ]; then
-      echo "(Still waiting for initial sync to complete)"
+      echo "(Still waiting...)"
       counter=0
     fi
   fi
@@ -82,7 +82,7 @@ while ! [ -f $touchFile ]; do
 done
 
 if ! [ "$counter" = "0" ]; then
-  echo "Initial sync completed. Starting application..."
+  echo "Starting application..."
 fi
 
 while $restart; do

pkg/devspace/config/versions/latest/schema.go

@@ -856,8 +856,8 @@ type RestartHelper struct {
 	// Path defines the path to the restart helper that might be used if certain config
 	// options are enabled
 	Path string `yaml:"path,omitempty" json:"path,omitempty"`
-	// Disable signals DevSpace to not inject the restart helper
-	Disable bool `yaml:"disable,omitempty" json:"disable,omitempty"`
+	// Inject signals DevSpace to inject the restart helper
+	Inject *bool `yaml:"inject,omitempty" json:"inject,omitempty"`
 }
 
 type ProxyCommand struct {

pkg/devspace/config/versions/v1beta11/upgrade.go

@@ -774,7 +774,7 @@ func (c *Config) mergeDevConfig(log log.Logger) (map[string]*next.DevPod, error)
 			if devPods[k].Containers[i].RestartHelper == nil {
 				devPods[k].Containers[i].RestartHelper = &next.RestartHelper{}
 			}
-			devPods[k].Containers[i].RestartHelper.Disable = true
+			devPods[k].Containers[i].RestartHelper.Inject = ptr.Bool(false)
 		}
 	}
 

pkg/devspace/context/values/values.go

@@ -12,8 +12,20 @@ const (
 	commandKey
 	dependencyKey
 	rootNameKey
+	devContextKey
 )
 
+// WithDevContext creates a new context with the dev context
+func WithDevContext(parent context.Context, devCtx context.Context) context.Context {
+	return WithValue(parent, devContextKey, devCtx)
+}
+
+// DevContextFrom returns a context used to start and stop dev configurations
+func DevContextFrom(ctx context.Context) (context.Context, bool) {
+	devCtx, ok := ctx.Value(devContextKey).(context.Context)
+	return devCtx, ok
+}
+
 // RootNameFrom returns the root name of the devspace config
 func RootNameFrom(ctx context.Context) (string, bool) {
 	user, ok := ctx.Value(rootNameKey).(string)

pkg/devspace/devpod/devpod.go

@@ -539,6 +539,9 @@ func needPodReplaceContainer(devContainer *latest.DevContainer) bool {
 	if len(devContainer.PersistPaths) > 0 {
 		return true
 	}
+	if devContainer.RestartHelper != nil && devContainer.RestartHelper.Inject != nil && *devContainer.RestartHelper.Inject {
+		return true
+	}
 	if devContainer.Terminal != nil && !devContainer.Terminal.DisableReplace && (devContainer.Terminal.Enabled == nil || *devContainer.Terminal.Enabled) {
 		return true
 	}
@@ -554,7 +557,7 @@ func needPodReplaceContainer(devContainer *latest.DevContainer) bool {
 	if devContainer.Args != nil {
 		return true
 	}
-	if devContainer.RestartHelper == nil || !devContainer.RestartHelper.Disable {
+	if devContainer.RestartHelper == nil || devContainer.RestartHelper.Inject == nil || *devContainer.RestartHelper.Inject {
 		for _, s := range devContainer.Sync {
 			if s.OnUpload != nil && s.OnUpload.RestartContainer {
 				return true

pkg/devspace/devpod/manager.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"github.com/loft-sh/devspace/pkg/devspace/config/versions/latest"
 	devspacecontext "github.com/loft-sh/devspace/pkg/devspace/context"
+	"github.com/loft-sh/devspace/pkg/devspace/context/values"
 	"github.com/loft-sh/devspace/pkg/devspace/deploy"
 	"github.com/loft-sh/devspace/pkg/devspace/services/podreplace"
 	"github.com/loft-sh/devspace/pkg/util/lockfactory"
@@ -41,9 +42,6 @@ type Manager interface {
 	// Close will close the manager and wait for all dev pods to stop
 	Close()
 
-	// Context returns the context of the DevManager
-	Context() context.Context
-
 	// Wait will wait until all DevPods are stopped
 	Wait() error
 }
@@ -52,15 +50,12 @@ type devPodManager struct {
 	lockFactory lockfactory.LockFactory
 
 	m       sync.Mutex
-	ctx     context.Context
 	cancels []context.CancelFunc
 	devPods map[string]*devPod
 }
 
-func NewManager(ctx context.Context) Manager {
-	ctx, cancel := context.WithCancel(ctx)
+func NewManager(cancel context.CancelFunc) Manager {
 	return &devPodManager{
-		ctx:         ctx,
 		cancels:     []context.CancelFunc{cancel},
 		lockFactory: lockfactory.NewDefaultLockFactory(),
 		devPods:     map[string]*devPod{},
@@ -86,21 +81,18 @@ func (d *devPodManager) Close() {
 	}
 	d.cancels = []context.CancelFunc{}
 	d.m.Unlock()
-	d.Wait()
-}
-
-func (d *devPodManager) Context() context.Context {
-	return d.ctx
+	_ = d.Wait()
 }
 
 func (d *devPodManager) StartMultiple(ctx *devspacecontext.Context, devPods []string, options Options) error {
+	devCtx, _ := values.DevContextFrom(ctx.Context)
 	select {
-	case <-d.ctx.Done():
-		return d.ctx.Err()
+	case <-devCtx.Done():
+		return devCtx.Err()
 	default:
 	}
 
-	cancelCtx, cancel := context.WithCancel(d.ctx)
+	cancelCtx, cancel := context.WithCancel(devCtx)
 	d.m.Lock()
 	d.cancels = append(d.cancels, cancel)
 	d.m.Unlock()
@@ -174,16 +166,17 @@ func (d *devPodManager) Start(originalContext *devspacecontext.Context, devPodCo
 	var dp *devPod
 	d.m.Lock()
 	dp = d.devPods[devPodConfig.Name]
-	d.m.Unlock()
-
-	// check if already running
 	if dp != nil {
-		return nil, DevPodAlreadyExists{}
+		select {
+		case <-dp.Done():
+		default:
+			d.m.Unlock()
+			return nil, DevPodAlreadyExists{}
+		}
 	}
 
 	// create a new dev pod
 	dp = newDevPod()
-	d.m.Lock()
 	d.devPods[devPodConfig.Name] = dp
 	d.m.Unlock()
 

pkg/devspace/pipeline/pipeline.go

@@ -1,6 +1,7 @@
 package pipeline
 
 import (
+	"context"
 	"fmt"
 	"github.com/loft-sh/devspace/pkg/devspace/context/values"
 	utilerrors "k8s.io/apimachinery/pkg/util/errors"
@@ -205,7 +206,10 @@ func (p *pipeline) startNewDependency(ctx *devspacecontext.Context, dependency t
 		pipelineConfig = dependency.Config().Config().Pipelines[executePipeline]
 	}
 
-	dependencyDevPodManager := devpod.NewManager(p.devPodManager.Context())
+	devCtx, _ := values.DevContextFrom(ctx.Context)
+	devCtxCancel, cancelDevCtx := context.WithCancel(devCtx)
+	ctx = ctx.WithContext(values.WithDevContext(ctx.Context, devCtxCancel))
+	dependencyDevPodManager := devpod.NewManager(cancelDevCtx)
 	pip := NewPipeline(dependency.Name(), dependencyDevPodManager, p.dependencyRegistry, pipelineConfig, p.options)
 	pip.(*pipeline).parent = p
 

pkg/devspace/services/podreplace/builder.go

@@ -242,16 +242,16 @@ func replaceWorkingDir(ctx *devspacecontext.Context, devPod *latest.DevPod, devC
 
 func replaceCommand(ctx *devspacecontext.Context, devPod *latest.DevPod, devContainer *latest.DevContainer, podTemplate *corev1.PodTemplateSpec) error {
 	// replace with DevSpace helper
-	injectRestartHelper := false
-	if devContainer.RestartHelper == nil || !devContainer.RestartHelper.Disable {
+	injectRestartHelper := devContainer.RestartHelper != nil && devContainer.RestartHelper.Inject != nil && *devContainer.RestartHelper.Inject
+	if devContainer.RestartHelper == nil || devContainer.RestartHelper.Inject == nil || *devContainer.RestartHelper.Inject {
 		for _, s := range devContainer.Sync {
 			if s.StartContainer || (s.OnUpload != nil && s.OnUpload.RestartContainer) {
 				injectRestartHelper = true
 			}
 		}
 	}
 	if len(devContainer.Command) == 0 && injectRestartHelper {
-		return fmt.Errorf("dev.%s.sync[*].onUpload.restartContainer is true, please specify the entrypoint that should get restarted in dev.%s.command", devPod.Name, devPod.Name)
+		return fmt.Errorf("dev.%s.sync[*].onUpload.restartContainer or dev.%s.restartHelper.inject is true, please specify the entrypoint that should get restarted in dev.%s.command", devPod.Name, devPod.Name, devPod.Name)
 	}
 	if !injectRestartHelper && len(devContainer.Command) == 0 && devContainer.Args == nil {
 		return nil

pkg/devspace/services/proxycommands/commands.go

@@ -51,12 +51,12 @@ func startProxyCommands(ctx *devspacecontext.Context, devContainer *latest.DevCo
 	}
 
 	// get a local port
-	port, err := ssh.LockPort()
+	port, err := ssh.GetInstance(ctx.Log).LockPort()
 	if err != nil {
 		return errors.Wrap(err, "find port")
 	}
 
-	defer ssh.ReleasePort(port)
+	defer ssh.GetInstance(ctx.Log).ReleasePort(port)
 
 	// get remote port
 	defaultRemotePort := DefaultRemotePort

pkg/devspace/services/ssh/config.go

@@ -9,12 +9,18 @@ import (
 	"io/ioutil"
 	"os"
 	"path/filepath"
+	"strconv"
 	"strings"
 	"sync"
 )
 
 var configLock sync.Mutex
 
+var (
+	MarkerStartPrefix = "# DevSpace Start "
+	MarkerEndPrefix   = "# DevSpace End "
+)
+
 func configureSSHConfig(host, port string, log log.Logger) error {
 	configLock.Lock()
 	defer configLock.Unlock()
@@ -25,7 +31,7 @@ func configureSSHConfig(host, port string, log log.Logger) error {
 	}
 
 	sshConfigPath := filepath.Join(homeDir, ".ssh", "config")
-	newFile, err := replaceHost(sshConfigPath, host, port)
+	newFile, err := addHost(sshConfigPath, host, port)
 	if err != nil {
 		return errors.Wrap(err, "parse ssh config")
 	}
@@ -43,7 +49,65 @@ func configureSSHConfig(host, port string, log log.Logger) error {
 	return nil
 }
 
-func replaceHost(path, host, port string) (string, error) {
+type DevSpaceSSHEntry struct {
+	Host     string
+	Hostname string
+	Port     int
+}
+
+func ParseDevSpaceHosts(path string) ([]DevSpaceSSHEntry, error) {
+	var reader io.Reader
+	f, err := os.Open(path)
+	if err != nil {
+		if !os.IsNotExist(err) {
+			return nil, err
+		}
+
+		reader = strings.NewReader("")
+	} else {
+		reader = f
+		defer f.Close()
+	}
+
+	configScanner := scanner.NewScanner(reader)
+	inSection := false
+
+	entries := []DevSpaceSSHEntry{}
+	current := &DevSpaceSSHEntry{}
+	for configScanner.Scan() {
+		text := strings.TrimSpace(configScanner.Text())
+		if strings.HasPrefix(text, MarkerStartPrefix) {
+			inSection = true
+		} else if strings.HasPrefix(text, MarkerEndPrefix) {
+			if current.Host != "" && current.Port > 0 && current.Hostname != "" {
+				entries = append(entries, *current)
+			}
+			current = &DevSpaceSSHEntry{}
+			inSection = false
+		} else if inSection {
+			if strings.HasPrefix(text, "Host ") {
+				current.Host = strings.TrimPrefix(text, "Host ")
+			}
+			if strings.HasPrefix(text, "Port ") {
+				port := strings.TrimPrefix(text, "Port ")
+				intPort, err := strconv.Atoi(port)
+				if err == nil {
+					current.Port = intPort
+				}
+			}
+			if strings.HasPrefix(text, "HostName ") {
+				current.Hostname = strings.TrimPrefix(text, "HostName ")
+			}
+		}
+	}
+	if configScanner.Err() != nil {
+		return nil, errors.Wrap(err, "parse ssh config")
+	}
+
+	return entries, nil
+}
+
+func addHost(path, host, port string) (string, error) {
 	var reader io.Reader
 	f, err := os.Open(path)
 	if err != nil {
@@ -77,7 +141,6 @@ func replaceHost(path, host, port string) (string, error) {
 	}
 
 	// add new section
-	newLines = append(newLines, "")
 	newLines = append(newLines, startMarker)
 	newLines = append(newLines, "Host "+host)
 	newLines = append(newLines, "  HostName localhost")
@@ -87,7 +150,5 @@ func replaceHost(path, host, port string) (string, error) {
 	newLines = append(newLines, "  UserKnownHostsFile /dev/null")
 	newLines = append(newLines, "  User devspace")
 	newLines = append(newLines, endMarker)
-	newLines = append(newLines, "")
-
 	return strings.Join(newLines, "\n"), nil
 }