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rkt: Support ENTRYPOINT/CMD substitution.

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This commit is contained in:
Yifan Gu
2016-03-08 11:46:40 -08:00
parent 7a43808143
commit 4a63f7f74c
2 changed files with 78 additions and 15 deletions
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59
pkg/kubelet/rkt/rkt_test.go
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@@ -717,7 +717,7 @@ func generateMemoryIsolator(t *testing.T, request, limit string) appctypes.Isola
func baseApp(t *testing.T) *appctypes.App {
return &appctypes.App{
Exec: appctypes.Exec{"/bin/foo"},
Exec: appctypes.Exec{"/bin/foo", "bar"},
SupplementaryGIDs: []int{4, 5, 6},
WorkingDirectory: "/foo",
Environment: []appctypes.EnvironmentVariable{
@@ -738,6 +738,13 @@ func baseApp(t *testing.T) *appctypes.App {
}
}
func baseImageManifest(t *testing.T) *appcschema.ImageManifest {
img := &appcschema.ImageManifest{App: baseApp(t)}
img.Annotations.Set(*appctypes.MustACIdentifier(appcDockerEntrypoint), "/bin/foo")
img.Annotations.Set(*appctypes.MustACIdentifier(appcDockerCmd), "bar")
return img
}
func baseAppWithRootUserGroup(t *testing.T) *appctypes.App {
app := baseApp(t)
app.User, app.Group = "0", "0"
@@ -818,11 +825,43 @@ func TestSetApp(t *testing.T) {
err: fmt.Errorf("container has no runAsUser and image will run as root"),
},
// app's args should be changed.
{
container: &api.Container{
Args: []string{"foo"},
},
opts: &kubecontainer.RunContainerOptions{},
ctx: nil,
podCtx: nil,
expect: &appctypes.App{
Exec: appctypes.Exec{"/bin/foo", "foo"},
User: "0",
Group: "0",
SupplementaryGIDs: []int{4, 5, 6},
WorkingDirectory: "/foo",
Environment: []appctypes.EnvironmentVariable{
{"env-foo", "bar"},
},
MountPoints: []appctypes.MountPoint{
{Name: *appctypes.MustACName("mnt-foo"), Path: "/mnt-foo", ReadOnly: false},
},
Ports: []appctypes.Port{
{Name: *appctypes.MustACName("port-foo"), Protocol: "TCP", Port: 4242},
},
Isolators: []appctypes.Isolator{
generateCapRetainIsolator(t, "CAP_SYS_ADMIN"),
generateCapRevokeIsolator(t, "CAP_NET_ADMIN"),
generateCPUIsolator(t, "100m", "200m"),
generateMemoryIsolator(t, "10M", "20M"),
},
},
err: nil,
},
// app should be changed.
{
container: &api.Container{
Command: []string{"/bin/bar"},
Args: []string{"hello", "world"},
Command: []string{"/bin/bar", "$(env-bar)"},
WorkingDir: tmpDir,
Resources: api.ResourceRequirements{
Limits: api.ResourceList{"cpu": resource.MustParse("50m"), "memory": resource.MustParse("50M")},
@@ -853,7 +892,7 @@ func TestSetApp(t *testing.T) {
FSGroup: &fsgid,
},
expect: &appctypes.App{
Exec: appctypes.Exec{"/bin/bar", "hello", "world"},
Exec: appctypes.Exec{"/bin/bar", "foo"},
User: "42",
Group: "0",
SupplementaryGIDs: []int{1, 2, 3},
@@ -883,7 +922,7 @@ func TestSetApp(t *testing.T) {
{
container: &api.Container{
Name: "hello-world",
Command: []string{"/bin/bar", "$(env-foo)"},
Command: []string{"/bin/hello", "$(env-foo)"},
Args: []string{"hello", "world", "$(env-bar)"},
WorkingDir: tmpDir,
Resources: api.ResourceRequirements{
@@ -916,7 +955,7 @@ func TestSetApp(t *testing.T) {
FSGroup: &fsgid,
},
expect: &appctypes.App{
Exec: appctypes.Exec{"/bin/bar", "foo", "hello", "world", "bar"},
Exec: appctypes.Exec{"/bin/hello", "foo", "hello", "world", "bar"},
User: "42",
Group: "0",
SupplementaryGIDs: []int{1, 2, 3},
@@ -943,15 +982,15 @@ func TestSetApp(t *testing.T) {
for i, tt := range tests {
testCaseHint := fmt.Sprintf("test case #%d", i)
app := baseApp(t)
err := setApp(app, tt.container, tt.opts, tt.ctx, tt.podCtx)
img := baseImageManifest(t)
err := setApp(img, tt.container, tt.opts, tt.ctx, tt.podCtx)
if err == nil && tt.err != nil || err != nil && tt.err == nil {
t.Errorf("%s: expect %v, saw %v", testCaseHint, tt.err, err)
}
if err == nil {
sortAppFields(tt.expect)
sortAppFields(app)
assert.Equal(t, tt.expect, app, testCaseHint)
sortAppFields(img.App)
assert.Equal(t, tt.expect, img.App, testCaseHint)
}
}
}