airshipctl/pkg/phase/executors/container_test.go
bijayasharma 622d45f3bd Add flags to airshipctl get-kubeconfig cmd
* This commits add --file and --merge flags to
  airshipctl get-kubeconfig cmd

Change-Id: I919d4f068d3ef9bcda6b3a7c9aeb0826a4e5c0d4
Signed-off-by: bijayasharma <vetbijaya@gmail.com>
Relates-To: #495
Closes: #495
2021-06-23 13:41:14 +00:00

353 lines
9.1 KiB
Go

/*
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
https://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 executors_test
import (
"bytes"
"fmt"
"io"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
v1 "k8s.io/api/core/v1"
"opendev.org/airship/airshipctl/pkg/api/v1alpha1"
"opendev.org/airship/airshipctl/pkg/cluster/clustermap"
"opendev.org/airship/airshipctl/pkg/container"
"opendev.org/airship/airshipctl/pkg/document"
"opendev.org/airship/airshipctl/pkg/events"
"opendev.org/airship/airshipctl/pkg/k8s/kubeconfig"
"opendev.org/airship/airshipctl/pkg/phase/errors"
"opendev.org/airship/airshipctl/pkg/phase/executors"
"opendev.org/airship/airshipctl/pkg/phase/ifc"
)
const (
containerExecutorDoc = `
apiVersion: airshipit.org/v1alpha1
kind: GenericContainer
metadata:
name: builder
labels:
airshipit.org/deploy-k8s: "false"
spec:
sinkOutputDir: "target/generator/results/generated"
type: krm
image: builder1
mounts:
- type: bind
src: /home/ubuntu/mounts
dst: /my-mounts
rw: true
- type: bind
src: ~/mounts
dst: /my-tilde-mount
rw: true
config: |
apiVersion: v1
kind: ConfigMap
metadata:
name: my-strange-name
data:
cmd: encrypt
unencrypted-regex: '^(kind|apiVersion|group|metadata)$'`
singleExecutorClusterMap = `apiVersion: airshipit.org/v1alpha1
kind: ClusterMap
metadata:
labels:
airshipit.org/deploy-k8s: "false"
name: main-map
map:
testCluster: {}
`
singleExecutorBundlePath = "../../container/testdata/single"
)
func testClusterMap(t *testing.T) clustermap.ClusterMap {
doc, err := document.NewDocumentFromBytes([]byte(singleExecutorClusterMap))
require.NoError(t, err)
require.NotNil(t, doc)
apiObj := v1alpha1.DefaultClusterMap()
err = doc.ToAPIObject(apiObj, v1alpha1.Scheme)
require.NoError(t, err)
return clustermap.NewClusterMap(apiObj)
}
func TestNewContainerExecutor(t *testing.T) {
execDoc, err := document.NewDocumentFromBytes([]byte(containerExecutorDoc))
require.NoError(t, err)
t.Run("success new container executor", func(t *testing.T) {
e, err := executors.NewContainerExecutor(ifc.ExecutorConfig{
ExecutorDocument: execDoc,
BundleFactory: testBundleFactory(),
})
assert.NoError(t, err)
assert.NotNil(t, e)
})
t.Run("error bundle factory", func(t *testing.T) {
e, err := executors.NewContainerExecutor(ifc.ExecutorConfig{
ExecutorDocument: execDoc,
BundleFactory: func() (document.Bundle, error) {
return nil, fmt.Errorf("bundle error")
},
})
assert.Error(t, err)
assert.Nil(t, e)
})
t.Run("bundle factory - empty documentEntryPoint", func(t *testing.T) {
e, err := executors.NewContainerExecutor(ifc.ExecutorConfig{
ExecutorDocument: execDoc,
BundleFactory: func() (document.Bundle, error) {
return nil, errors.ErrDocumentEntrypointNotDefined{}
},
})
assert.NoError(t, err)
assert.NotNil(t, e)
})
}
func TestGenericContainer(t *testing.T) {
tests := []struct {
name string
outputPath string
expectedErr string
resultConfig string
containerAPI *v1alpha1.GenericContainer
executorConfig ifc.ExecutorConfig
runOptions ifc.RunOptions
clientFunc container.ClientV1Alpha1FactoryFunc
}{
{
name: "error unknown container type",
expectedErr: "unknown generic container type",
containerAPI: &v1alpha1.GenericContainer{
Spec: v1alpha1.GenericContainerSpec{
Type: "unknown",
},
},
clientFunc: container.NewClientV1Alpha1,
},
{
name: "error kyaml cant parse config",
containerAPI: &v1alpha1.GenericContainer{
Spec: v1alpha1.GenericContainerSpec{
Type: v1alpha1.GenericContainerTypeKrm,
},
Config: "~:~",
},
runOptions: ifc.RunOptions{},
expectedErr: "wrong Node Kind",
clientFunc: container.NewClientV1Alpha1,
},
{
name: "error no object referenced in config",
containerAPI: &v1alpha1.GenericContainer{
ConfigRef: &v1.ObjectReference{
Kind: "no such kind",
Name: "no such name",
},
},
runOptions: ifc.RunOptions{DryRun: true},
expectedErr: "found no documents",
},
{
name: "success dry run",
containerAPI: &v1alpha1.GenericContainer{},
runOptions: ifc.RunOptions{DryRun: true},
},
{
name: "success referenced config present",
containerAPI: &v1alpha1.GenericContainer{
ConfigRef: &v1.ObjectReference{
Kind: "Secret",
Name: "test-script",
APIVersion: "v1",
},
},
runOptions: ifc.RunOptions{DryRun: true},
resultConfig: `apiVersion: v1
kind: Secret
metadata:
name: test-script
stringData:
script.sh: |
#!/bin/sh
echo WORKS! $var >&2
type: Opaque
`,
},
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
b, err := document.NewBundleByPath(singleExecutorBundlePath)
require.NoError(t, err)
phaseConfigBundle, err := document.NewBundleByPath(singleExecutorBundlePath)
require.NoError(t, err)
container := executors.ContainerExecutor{
ResultsDir: tt.outputPath,
ExecutorBundle: b,
Container: tt.containerAPI,
ClientFunc: tt.clientFunc,
Options: ifc.ExecutorConfig{
ClusterName: "testCluster",
KubeConfig: fakeKubeConfig{
getFile: func() (string, kubeconfig.Cleanup, error) {
return "testPath", func() {}, nil
},
},
ClusterMap: testClusterMap(t),
PhaseConfigBundle: phaseConfigBundle,
},
}
ch := make(chan events.Event)
go container.Run(ch, tt.runOptions)
actualEvt := make([]events.Event, 0)
for evt := range ch {
actualEvt = append(actualEvt, evt)
}
require.Greater(t, len(actualEvt), 0)
if tt.expectedErr != "" {
e := actualEvt[len(actualEvt)-1]
require.Error(t, e.ErrorEvent.Error)
assert.Contains(t, e.ErrorEvent.Error.Error(), tt.expectedErr)
} else {
e := actualEvt[len(actualEvt)-1]
assert.NoError(t, e.ErrorEvent.Error)
assert.Equal(t, e.Type, events.GenericContainerType)
assert.Equal(t, e.GenericContainerEvent.Operation, events.GenericContainerStop)
assert.Equal(t, tt.resultConfig, container.Container.Config)
}
})
}
}
func TestSetKubeConfig(t *testing.T) {
getFileErr := fmt.Errorf("failed to get file")
testCases := []struct {
name string
opts ifc.ExecutorConfig
expectedErr error
}{
{
name: "Set valid kubeconfig",
opts: ifc.ExecutorConfig{
ClusterName: "testCluster",
KubeConfig: fakeKubeConfig{
getFile: func() (string, kubeconfig.Cleanup, error) {
return "testPath", func() {}, nil
},
},
ClusterMap: testClusterMap(t),
},
},
{
name: "Failed to get kubeconfig file",
opts: ifc.ExecutorConfig{
ClusterName: "testCluster",
KubeConfig: fakeKubeConfig{
getFile: func() (string, kubeconfig.Cleanup, error) {
return "", func() {}, getFileErr
},
},
ClusterMap: testClusterMap(t),
},
expectedErr: getFileErr,
},
}
for _, tc := range testCases {
tt := tc
t.Run(tt.name, func(t *testing.T) {
e := executors.ContainerExecutor{
Options: tt.opts,
Container: &v1alpha1.GenericContainer{},
}
_, err := e.SetKubeConfig()
assert.Equal(t, tt.expectedErr, err)
})
}
}
func TestContainerRender(t *testing.T) {
testCases := []struct {
name string
bundleData []byte
opts ifc.RenderOptions
expectedErr error
expectedOut string
}{
{
name: "empty bundle",
bundleData: []byte{},
opts: ifc.RenderOptions{},
expectedOut: "",
expectedErr: nil,
},
{
name: "valid bundle",
bundleData: []byte(`apiVersion: unittest.org/v1alpha1
kind: Test
metadata:
name: TestName`),
opts: ifc.RenderOptions{FilterSelector: document.NewSelector().ByKind("Test").ByName("TestName")},
expectedOut: `---
apiVersion: unittest.org/v1alpha1
kind: Test
metadata:
name: TestName
...
`,
expectedErr: nil,
},
}
buf := &bytes.Buffer{}
for _, tc := range testCases {
tt := tc
t.Run(tt.name, func(t *testing.T) {
bundle, err := document.NewBundleFromBytes(tt.bundleData)
require.NoError(t, err)
e := executors.ContainerExecutor{
ExecutorBundle: bundle,
}
err = e.Render(buf, tt.opts)
assert.Equal(t, tt.expectedErr, err)
assert.Equal(t, tt.expectedOut, buf.String())
buf.Reset()
})
}
}
type fakeKubeConfig struct {
getFile func() (string, kubeconfig.Cleanup, error)
}
func (k fakeKubeConfig) GetFile() (string, kubeconfig.Cleanup, error) { return k.getFile() }
func (k fakeKubeConfig) Write(_ io.Writer) error { return nil }
func (k fakeKubeConfig) WriteFile(_ string, _ kubeconfig.WriteOptions) error { return nil }
func (k fakeKubeConfig) WriteTempFile(_ string) (string, kubeconfig.Cleanup, error) {
return k.getFile()
}