133 lines
3.4 KiB
Go
133 lines
3.4 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package common
|
|
|
|
import (
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/kubernetes/pkg/api/v1"
|
|
"k8s.io/kubernetes/pkg/util/uuid"
|
|
"k8s.io/kubernetes/test/e2e/framework"
|
|
|
|
. "github.com/onsi/ginkgo"
|
|
)
|
|
|
|
// These tests exercise the Kubernetes expansion syntax $(VAR).
|
|
// For more information, see: docs/design/expansion.md
|
|
var _ = framework.KubeDescribe("Variable Expansion", func() {
|
|
f := framework.NewDefaultFramework("var-expansion")
|
|
|
|
It("should allow composing env vars into new env vars [Conformance]", func() {
|
|
podName := "var-expansion-" + string(uuid.NewUUID())
|
|
pod := &v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: podName,
|
|
Labels: map[string]string{"name": podName},
|
|
},
|
|
Spec: v1.PodSpec{
|
|
Containers: []v1.Container{
|
|
{
|
|
Name: "dapi-container",
|
|
Image: "gcr.io/google_containers/busybox:1.24",
|
|
Command: []string{"sh", "-c", "env"},
|
|
Env: []v1.EnvVar{
|
|
{
|
|
Name: "FOO",
|
|
Value: "foo-value",
|
|
},
|
|
{
|
|
Name: "BAR",
|
|
Value: "bar-value",
|
|
},
|
|
{
|
|
Name: "FOOBAR",
|
|
Value: "$(FOO);;$(BAR)",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
RestartPolicy: v1.RestartPolicyNever,
|
|
},
|
|
}
|
|
|
|
f.TestContainerOutput("env composition", pod, 0, []string{
|
|
"FOO=foo-value",
|
|
"BAR=bar-value",
|
|
"FOOBAR=foo-value;;bar-value",
|
|
})
|
|
})
|
|
|
|
It("should allow substituting values in a container's command [Conformance]", func() {
|
|
podName := "var-expansion-" + string(uuid.NewUUID())
|
|
pod := &v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: podName,
|
|
Labels: map[string]string{"name": podName},
|
|
},
|
|
Spec: v1.PodSpec{
|
|
Containers: []v1.Container{
|
|
{
|
|
Name: "dapi-container",
|
|
Image: "gcr.io/google_containers/busybox:1.24",
|
|
Command: []string{"sh", "-c", "TEST_VAR=wrong echo \"$(TEST_VAR)\""},
|
|
Env: []v1.EnvVar{
|
|
{
|
|
Name: "TEST_VAR",
|
|
Value: "test-value",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
RestartPolicy: v1.RestartPolicyNever,
|
|
},
|
|
}
|
|
|
|
f.TestContainerOutput("substitution in container's command", pod, 0, []string{
|
|
"test-value",
|
|
})
|
|
})
|
|
|
|
It("should allow substituting values in a container's args [Conformance]", func() {
|
|
podName := "var-expansion-" + string(uuid.NewUUID())
|
|
pod := &v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: podName,
|
|
Labels: map[string]string{"name": podName},
|
|
},
|
|
Spec: v1.PodSpec{
|
|
Containers: []v1.Container{
|
|
{
|
|
Name: "dapi-container",
|
|
Image: "gcr.io/google_containers/busybox:1.24",
|
|
Command: []string{"sh", "-c"},
|
|
Args: []string{"TEST_VAR=wrong echo \"$(TEST_VAR)\""},
|
|
Env: []v1.EnvVar{
|
|
{
|
|
Name: "TEST_VAR",
|
|
Value: "test-value",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
RestartPolicy: v1.RestartPolicyNever,
|
|
},
|
|
}
|
|
|
|
f.TestContainerOutput("substitution in container's args", pod, 0, []string{
|
|
"test-value",
|
|
})
|
|
})
|
|
})
|