Upgrade libkermit/compose version

glide.lock

@@ -1,4 +1,4 @@
-hash: 5e9aeda91bffc11f916ff6c324b26a02a279ed1d691e7a783ca03dfab584083c
+hash: 68fad31b1980075ca1e93f3883e1bbeb95022824c63defbecb4eafb240fded39
 updated: 2017-08-25T11:52:16.848940186+02:00
 imports:
 - name: cloud.google.com/go
@@ -783,7 +783,7 @@ testImports:
 - name: github.com/gorilla/mux
   version: e444e69cbd2e2e3e0749a2f3c717cec491552bbf
 - name: github.com/libkermit/compose
-  version: 6167fd37267d2dfbcbcbee0a321adaa9531f4062
+  version: 4a33a16f1446ba205c4da7b09105d5bdc293b432
   subpackages:
   - check
 - name: github.com/libkermit/docker

glide.yaml

@@ -210,7 +210,7 @@ testImport:
 - package: github.com/go-check/check
   version: 11d3bc7aa68e238947792f30573146a3231fc0f1
 - package: github.com/libkermit/compose
-  version: 6167fd37267d2dfbcbcbee0a321adaa9531f4062
+  version: 4a33a16f1446ba205c4da7b09105d5bdc293b432
   subpackages:
   - check
 - package: github.com/libkermit/docker

vendor/github.com/libkermit/compose/check/compose.go

@@ -5,8 +5,10 @@ package check
 import (
 	"github.com/go-check/check"
 
+	"fmt"
 	"github.com/docker/docker/api/types"
 	"github.com/libkermit/compose"
+	"strings"
 )
 
 // Project holds compose related project attributes
@@ -25,16 +27,44 @@ func CreateProject(c *check.C, name string, composeFiles ...string) *Project {
 	}
 }
 
-// Start creates and starts the compose project.
-func (p *Project) Start(c *check.C) {
-	c.Assert(p.project.Start(), check.IsNil,
-		check.Commentf("error while starting compose project"))
+// Start creates and starts services of the compose project,if no services are given, all the services are created/started.
+func (p *Project) Start(c *check.C, services ...string) {
+	errString := "error while creating and starting compose project"
+	if services != nil && len(services) > 0 {
+		errString = fmt.Sprintf("error while creating and starting services %s compose project", strings.Join(services, ","))
+	}
+	c.Assert(p.project.Start(services...), check.IsNil,
+		check.Commentf(errString))
 }
 
-// Stop shuts down and clean the project
-func (p *Project) Stop(c *check.C) {
-	c.Assert(p.project.Stop(), check.IsNil,
-		check.Commentf("error while stopping compose project"))
+// StartOnly starts services of the compose project,if no services are given, all the services are started.
+func (p *Project) StartOnly(c *check.C, services ...string) {
+	errString := "error while starting compose project"
+	if services != nil && len(services) > 0 {
+		errString = fmt.Sprintf("error while starting services %s compose project", strings.Join(services, ","))
+	}
+	c.Assert(p.project.StartOnly(services...), check.IsNil,
+		check.Commentf(errString))
+}
+
+// StopOnly stops services of the compose project,if no services are given, all the services are stopped.
+func (p *Project) StopOnly(c *check.C, services ...string) {
+	errString := "error while stopping deleting compose project"
+	if services != nil && len(services) > 0 {
+		errString = fmt.Sprintf("error while stopping deleting services %s compose project", strings.Join(services, ","))
+	}
+	c.Assert(p.project.StopOnly(services...), check.IsNil,
+		check.Commentf(errString))
+}
+
+// Stop shuts down and clean services of the compose project,if no services are given, all the services are stopped/deleted.
+func (p *Project) Stop(c *check.C, services ...string) {
+	errString := "error while stopping and deleting compose project"
+	if services != nil && len(services) > 0 {
+		errString = fmt.Sprintf("error while stopping and deleting services %s compose project", strings.Join(services, ","))
+	}
+	c.Assert(p.project.Stop(services...), check.IsNil,
+		check.Commentf(errString))
 }
 
 // Scale scale a service up
@@ -59,3 +89,15 @@ func (p *Project) Container(c *check.C, service string) types.ContainerJSON {
 		check.Commentf("error while getting the container for service '%s'", service))
 	return container
 }
+
+// NoContainer check is there is no container for the service given
+// It fails if there one or more containers or if the error returned
+// does not indicate an empty container list
+func (p *Project) NoContainer(c *check.C, service string) {
+	validErr := "No container found for '" + service + "' service"
+	_, err := p.project.Container(service)
+	c.Assert(err, check.NotNil,
+		check.Commentf("error while getting the container for service '%s'", service))
+	c.Assert(err.Error(), check.Equals, validErr,
+		check.Commentf("error while getting the container for service '%s'", service))
+}

vendor/github.com/libkermit/compose/compose.go

@@ -23,6 +23,7 @@ import (
 
 // Project holds compose related project attributes
 type Project struct {
+	composeFiles   []string
 	composeProject project.APIProject
 	name           string
 	listenChan     chan events.Event
@@ -30,6 +31,7 @@ type Project struct {
 	stopped        chan struct{}
 	deleted        chan struct{}
 	client         client.APIClient
+	hasOpenedChan  bool
 }
 
 // CreateProject creates a compose project with the given name based on the
@@ -58,6 +60,7 @@ func CreateProject(name string, composeFiles ...string) (*Project, error) {
 		return nil, err
 	}
 	p := &Project{
+		composeFiles:   composeFiles,
 		composeProject: composeProject,
 		name:           name,
 		listenChan:     make(chan events.Event),
@@ -65,6 +68,7 @@ func CreateProject(name string, composeFiles ...string) (*Project, error) {
 		stopped:        make(chan struct{}),
 		deleted:        make(chan struct{}),
 		client:         apiClient,
+		hasOpenedChan:  true,
 	}
 
 	// Listen to compose events
@@ -76,6 +80,11 @@ func CreateProject(name string, composeFiles ...string) (*Project, error) {
 
 // Start creates and starts the compose project.
 func (p *Project) Start(services ...string) error {
+	// If project chan are closed, recreate new compose project
+	if !p.hasOpenedChan {
+		newProject, _ := CreateProject(p.name, p.composeFiles...)
+		*p = *newProject
+	}
 	ctx := context.Background()
 	err := p.composeProject.Create(ctx, options.Create{})
 	if err != nil {
@@ -94,7 +103,6 @@ func (p *Project) StartOnly(services ...string) error {
 	}
 	// Wait for compose to start
 	<-p.started
-	close(p.started)
 	return nil
 }
 
@@ -106,7 +114,6 @@ func (p *Project) StopOnly(services ...string) error {
 		return err
 	}
 	<-p.stopped
-	close(p.stopped)
 	return nil
 }
 
@@ -117,16 +124,39 @@ func (p *Project) Stop(services ...string) error {
 	if err != nil {
 		return err
 	}
-	ctx := context.Background()
-	err = p.composeProject.Delete(ctx, options.Delete{}, services...)
+
+	err = p.composeProject.Delete(context.Background(), options.Delete{}, services...)
 	if err != nil {
 		return err
 	}
 	<-p.deleted
-	close(p.deleted)
+
+	existingContainers, err := p.existContainers(project.AnyState)
+	if err != nil {
+		return err
+	}
+	// Close channels only if there are no running services
+	if !existingContainers {
+		p.hasOpenedChan = false
+		close(p.started)
+		close(p.stopped)
+		close(p.deleted)
+		close(p.listenChan)
+	}
 	return nil
 }
 
+// Check if containers exist in the desirated state for the given services
+func (p *Project) existContainers(stateFiltered project.State, services ...string) (bool, error) {
+	existingContainers := false
+	var err error
+	containersFound, err := p.composeProject.Containers(context.Background(), project.Filter{stateFiltered})
+	if err == nil && containersFound != nil && len(containersFound) > 0 {
+		existingContainers = true
+	}
+	return existingContainers, err
+}
+
 // Scale scale a service up
 func (p *Project) Scale(service string, count int) error {
 	return p.composeProject.Scale(context.Background(), 10, map[string]int{