Add tests for Kubernetes

Signed-off-by: Christopher Crone <christopher.crone@docker.com>
This commit is contained in:
Christopher Crone 2018-05-17 13:17:55 +02:00
parent 6b38918ce4
commit d420d67bcd
8 changed files with 90 additions and 26 deletions

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@ -1,25 +1,43 @@
package stack package stack
import ( import (
"fmt"
"sort" "sort"
"strings" "strings"
"testing" "testing"
"github.com/docker/cli/internal/test/environment"
"github.com/gotestyourself/gotestyourself/assert" "github.com/gotestyourself/gotestyourself/assert"
"github.com/gotestyourself/gotestyourself/golden" "github.com/gotestyourself/gotestyourself/golden"
"github.com/gotestyourself/gotestyourself/icmd" "github.com/gotestyourself/gotestyourself/icmd"
"github.com/gotestyourself/gotestyourself/skip"
) )
func TestDeployWithNamedResources(t *testing.T) { func TestDeployWithNamedResources(t *testing.T) {
stackname := "test-stack-deploy-with-names" t.Run("Swarm", func(t *testing.T) {
testDeployWithNamedResources(t, "swarm")
})
t.Run("Kubernetes", func(t *testing.T) {
// FIXME(chris-crone): currently does not work with compose for kubernetes.
t.Skip("FIXME(chris-crone): currently does not work with compose for kubernetes.")
skip.If(t, !environment.KubernetesEnabled())
testDeployWithNamedResources(t, "kubernetes")
})
}
func testDeployWithNamedResources(t *testing.T, orchestrator string) {
stackname := fmt.Sprintf("test-stack-deploy-with-names-%s", orchestrator)
composefile := golden.Path("stack-with-named-resources.yml") composefile := golden.Path("stack-with-named-resources.yml")
result := icmd.RunCommand( result := icmd.RunCommand("docker", "--orchestrator", orchestrator,
"docker", "stack", "deploy", "-c", composefile, stackname) "stack", "deploy", "-c", composefile, stackname)
defer icmd.RunCommand("docker", "--orchestrator", orchestrator,
"stack", "rm", stackname)
result.Assert(t, icmd.Success) result.Assert(t, icmd.Success)
stdout := strings.Split(result.Stdout(), "\n") stdout := strings.Split(result.Stdout(), "\n")
expected := strings.Split(string(golden.Get(t, "stack-deploy-with-names.golden")), "\n") expected := strings.Split(string(golden.Get(t, fmt.Sprintf("stack-deploy-with-names-%s.golden", orchestrator))), "\n")
sort.Strings(stdout) sort.Strings(stdout)
sort.Strings(expected) sort.Strings(expected)
assert.DeepEqual(t, stdout, expected) assert.DeepEqual(t, stdout, expected)

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@ -1,6 +1,7 @@
package stack package stack
import ( import (
"fmt"
"strings" "strings"
"testing" "testing"
@ -8,50 +9,69 @@ import (
"github.com/gotestyourself/gotestyourself/golden" "github.com/gotestyourself/gotestyourself/golden"
"github.com/gotestyourself/gotestyourself/icmd" "github.com/gotestyourself/gotestyourself/icmd"
"github.com/gotestyourself/gotestyourself/poll" "github.com/gotestyourself/gotestyourself/poll"
"github.com/gotestyourself/gotestyourself/skip"
) )
var pollSettings = environment.DefaultPollSettings var pollSettings = environment.DefaultPollSettings
func TestRemove(t *testing.T) { func TestRemove(t *testing.T) {
stackname := "test-stack-remove" t.Run("Swarm", func(t *testing.T) {
deployFullStack(t, stackname) testRemove(t, "swarm")
defer cleanupFullStack(t, stackname) })
t.Run("Kubernetes", func(t *testing.T) {
skip.If(t, !environment.KubernetesEnabled())
result := icmd.RunCommand("docker", "stack", "rm", stackname) testRemove(t, "kubernetes")
})
result.Assert(t, icmd.Expected{Err: icmd.None})
golden.Assert(t, result.Stdout(), "stack-remove-success.golden")
} }
func deployFullStack(t *testing.T, stackname string) { func testRemove(t *testing.T, orchestrator string) {
stackname := "test-stack-remove-" + orchestrator
deployFullStack(t, orchestrator, stackname)
defer cleanupFullStack(t, orchestrator, stackname)
result := icmd.RunCommand("docker", "--orchestrator", orchestrator,
"stack", "rm", stackname)
result.Assert(t, icmd.Expected{Err: icmd.None})
golden.Assert(t, result.Stdout(),
fmt.Sprintf("stack-remove-%s-success.golden", orchestrator))
}
func deployFullStack(t *testing.T, orchestrator, stackname string) {
// TODO: this stack should have full options not minimal options // TODO: this stack should have full options not minimal options
result := icmd.RunCommand("docker", "stack", "deploy", result := icmd.RunCommand("docker", "--orchestrator", orchestrator,
"--compose-file=./testdata/full-stack.yml", stackname) "stack", "deploy", "--compose-file=./testdata/full-stack.yml", stackname)
result.Assert(t, icmd.Success) result.Assert(t, icmd.Success)
poll.WaitOn(t, taskCount(stackname, 2), pollSettings) poll.WaitOn(t, taskCount(orchestrator, stackname, 2), pollSettings)
} }
func cleanupFullStack(t *testing.T, stackname string) { func cleanupFullStack(t *testing.T, orchestrator, stackname string) {
// FIXME(vdemeester) we shouldn't have to do that. it is hidding a race on docker stack rm // FIXME(vdemeester) we shouldn't have to do that. it is hidding a race on docker stack rm
poll.WaitOn(t, stackRm(stackname), pollSettings) poll.WaitOn(t, stackRm(orchestrator, stackname), pollSettings)
poll.WaitOn(t, taskCount(stackname, 0), pollSettings) poll.WaitOn(t, taskCount(orchestrator, stackname, 0), pollSettings)
} }
func stackRm(stackname string) func(t poll.LogT) poll.Result { func stackRm(orchestrator, stackname string) func(t poll.LogT) poll.Result {
return func(poll.LogT) poll.Result { return func(poll.LogT) poll.Result {
result := icmd.RunCommand("docker", "stack", "rm", stackname) result := icmd.RunCommand("docker", "--orchestrator", orchestrator, "stack", "rm", stackname)
if result.Error != nil { if result.Error != nil {
if strings.Contains(result.Stderr(), "not found") {
return poll.Success()
}
return poll.Continue("docker stack rm %s failed : %v", stackname, result.Error) return poll.Continue("docker stack rm %s failed : %v", stackname, result.Error)
} }
return poll.Success() return poll.Success()
} }
} }
func taskCount(stackname string, expected int) func(t poll.LogT) poll.Result { func taskCount(orchestrator, stackname string, expected int) func(t poll.LogT) poll.Result {
return func(poll.LogT) poll.Result { return func(poll.LogT) poll.Result {
result := icmd.RunCommand( args := []string{"--orchestrator", orchestrator, "stack", "ps", stackname}
"docker", "stack", "ps", "-f=desired-state=running", stackname) // FIXME(chris-crone): remove when we support filtering by desired-state on kubernetes
if orchestrator == "swarm" {
args = append(args, "-f=desired-state=running")
}
result := icmd.RunCommand("docker", args...)
count := lines(result.Stdout()) - 1 count := lines(result.Stdout()) - 1
if count == expected { if count == expected {
return poll.Success() return poll.Success()

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@ -0,0 +1,7 @@
Creating network test-stack-deploy-with-names_network2
Creating network named-network
Creating secret named-secret
Creating secret test-stack-deploy-with-names_secret2
Creating config test-stack-deploy-with-names_config2
Creating config named-config
Creating service test-stack-deploy-with-names_web

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@ -0,0 +1,7 @@
Creating network test-stack-deploy-with-names-swarm_network2
Creating network named-network
Creating secret named-secret
Creating secret test-stack-deploy-with-names-swarm_secret2
Creating config test-stack-deploy-with-names-swarm_config2
Creating config named-config
Creating service test-stack-deploy-with-names-swarm_web

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@ -0,0 +1 @@
Removing stack: test-stack-remove-kubernetes

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@ -1,3 +0,0 @@
Removing service test-stack-remove_one
Removing service test-stack-remove_two
Removing network test-stack-remove_default

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@ -0,0 +1,3 @@
Removing service test-stack-remove-swarm_one
Removing service test-stack-remove-swarm_two
Removing network test-stack-remove-swarm_default

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@ -28,6 +28,12 @@ func Setup() error {
} }
} }
if kubeConfig := os.Getenv("TEST_KUBECONFIG"); kubeConfig != "" {
if err := os.Setenv("KUBECONFIG", kubeConfig); err != nil {
return err
}
}
if val := boolFromString(os.Getenv("TEST_REMOTE_DAEMON")); val { if val := boolFromString(os.Getenv("TEST_REMOTE_DAEMON")); val {
if err := os.Setenv("REMOTE_DAEMON", "1"); err != nil { if err := os.Setenv("REMOTE_DAEMON", "1"); err != nil {
return err return err
@ -43,6 +49,11 @@ func Setup() error {
return nil return nil
} }
// KubernetesEnabled returns if Kubernetes testing is enabled
func KubernetesEnabled() bool {
return os.Getenv("KUBECONFIG") != ""
}
// RemoteDaemon returns true if running against a remote daemon // RemoteDaemon returns true if running against a remote daemon
func RemoteDaemon() bool { func RemoteDaemon() bool {
return os.Getenv("REMOTE_DAEMON") != "" return os.Getenv("REMOTE_DAEMON") != ""