mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-12-28 19:30:30 +00:00
414 lines
12 KiB
Go
414 lines
12 KiB
Go
// Copyright 2023 Woodpecker Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package kubernetes
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import (
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"encoding/json"
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"testing"
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"github.com/kinbiko/jsonassert"
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"github.com/stretchr/testify/assert"
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v1 "k8s.io/api/core/v1"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline/backend/types"
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)
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func TestPodName(t *testing.T) {
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name, err := podName(&types.Step{UUID: "01he8bebctabr3kgk0qj36d2me-0"})
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assert.NoError(t, err)
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assert.Equal(t, "wp-01he8bebctabr3kgk0qj36d2me-0", name)
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_, err = podName(&types.Step{UUID: "01he8bebctabr3kgk0qj36d2me\\0a"})
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assert.ErrorIs(t, err, ErrDNSPatternInvalid)
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_, err = podName(&types.Step{UUID: "01he8bebctabr3kgk0qj36d2me-0-services-0..woodpecker-runtime.svc.cluster.local"})
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assert.ErrorIs(t, err, ErrDNSPatternInvalid)
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}
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func TestStepToPodName(t *testing.T) {
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name, err := stepToPodName(&types.Step{UUID: "01he8bebctabr3kg", Name: "clone", Type: types.StepTypeClone})
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assert.NoError(t, err)
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assert.EqualValues(t, "wp-01he8bebctabr3kg", name)
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name, err = stepToPodName(&types.Step{UUID: "01he8bebctabr3kg", Name: "cache", Type: types.StepTypeCache})
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assert.NoError(t, err)
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assert.EqualValues(t, "wp-01he8bebctabr3kg", name)
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name, err = stepToPodName(&types.Step{UUID: "01he8bebctabr3kg", Name: "release", Type: types.StepTypePlugin})
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assert.NoError(t, err)
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assert.EqualValues(t, "wp-01he8bebctabr3kg", name)
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name, err = stepToPodName(&types.Step{UUID: "01he8bebctabr3kg", Name: "prepare-env", Type: types.StepTypeCommands})
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assert.NoError(t, err)
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assert.EqualValues(t, "wp-01he8bebctabr3kg", name)
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name, err = stepToPodName(&types.Step{UUID: "01he8bebctabr3kg", Name: "postgres", Type: types.StepTypeService})
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assert.NoError(t, err)
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assert.EqualValues(t, "wp-svc-01he8bebctabr3kg-postgres", name)
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}
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func TestStepLabel(t *testing.T) {
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name, err := stepLabel(&types.Step{Name: "Build image"})
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assert.NoError(t, err)
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assert.EqualValues(t, "build-image", name)
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_, err = stepLabel(&types.Step{Name: ".build.image"})
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assert.ErrorIs(t, err, ErrDNSPatternInvalid)
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}
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func TestTinyPod(t *testing.T) {
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expected := `
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{
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"metadata": {
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"name": "wp-01he8bebctabr3kgk0qj36d2me-0",
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"namespace": "woodpecker",
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"creationTimestamp": null,
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"labels": {
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"step": "build-via-gradle"
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}
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},
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"spec": {
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"volumes": [
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{
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"name": "workspace",
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"persistentVolumeClaim": {
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"claimName": "workspace"
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}
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}
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],
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"containers": [
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{
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"name": "wp-01he8bebctabr3kgk0qj36d2me-0",
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"image": "gradle:8.4.0-jdk21",
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"command": [
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"/bin/sh",
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"-c"
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],
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"args": [
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"echo $CI_SCRIPT | base64 -d | /bin/sh -e"
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],
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"workingDir": "/woodpecker/src",
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"env": [
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"<<UNORDERED>>",
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{
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"name": "CI",
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"value": "woodpecker"
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},
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{
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"name": "HOME",
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"value": "/root"
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},
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{
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"name": "SHELL",
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"value": "/bin/sh"
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},
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{
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"name": "CI_SCRIPT",
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"value": "CmlmIFsgLW4gIiRDSV9ORVRSQ19NQUNISU5FIiBdOyB0aGVuCmNhdCA8PEVPRiA+ICRIT01FLy5uZXRyYwptYWNoaW5lICRDSV9ORVRSQ19NQUNISU5FCmxvZ2luICRDSV9ORVRSQ19VU0VSTkFNRQpwYXNzd29yZCAkQ0lfTkVUUkNfUEFTU1dPUkQKRU9GCmNobW9kIDA2MDAgJEhPTUUvLm5ldHJjCmZpCnVuc2V0IENJX05FVFJDX1VTRVJOQU1FCnVuc2V0IENJX05FVFJDX1BBU1NXT1JECnVuc2V0IENJX1NDUklQVAoKZWNobyArICdncmFkbGUgYnVpbGQnCmdyYWRsZSBidWlsZAo="
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}
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],
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"resources": {},
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"volumeMounts": [
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{
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"name": "workspace",
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"mountPath": "/woodpecker/src"
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}
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]
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}
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],
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"restartPolicy": "Never"
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},
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"status": {}
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}`
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pod, err := mkPod(&types.Step{
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Name: "build-via-gradle",
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Image: "gradle:8.4.0-jdk21",
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WorkingDir: "/woodpecker/src",
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Pull: false,
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Privileged: false,
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Commands: []string{"gradle build"},
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Volumes: []string{"workspace:/woodpecker/src"},
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Environment: map[string]string{"CI": "woodpecker"},
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}, &config{
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Namespace: "woodpecker",
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}, "wp-01he8bebctabr3kgk0qj36d2me-0", "linux/amd64", BackendOptions{})
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assert.NoError(t, err)
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podJSON, err := json.Marshal(pod)
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assert.NoError(t, err)
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ja := jsonassert.New(t)
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ja.Assertf(string(podJSON), expected)
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}
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func TestFullPod(t *testing.T) {
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expected := `
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{
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"metadata": {
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"name": "wp-01he8bebctabr3kgk0qj36d2me-0",
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"namespace": "woodpecker",
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"creationTimestamp": null,
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"labels": {
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"app": "test",
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"step": "go-test"
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},
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"annotations": {
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"apps.kubernetes.io/pod-index": "0",
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"container.apparmor.security.beta.kubernetes.io/wp-01he8bebctabr3kgk0qj36d2me-0": "localhost/k8s-apparmor-example-deny-write"
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}
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},
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"spec": {
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"volumes": [
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{
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"name": "woodpecker-cache",
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"persistentVolumeClaim": {
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"claimName": "woodpecker-cache"
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}
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}
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],
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"containers": [
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{
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"name": "wp-01he8bebctabr3kgk0qj36d2me-0",
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"image": "meltwater/drone-cache",
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"command": [
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"/bin/sh",
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"-c"
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],
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"args": [
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"echo $CI_SCRIPT | base64 -d | /bin/sh -e"
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],
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"workingDir": "/woodpecker/src",
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"ports": [
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{
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"containerPort": 1234
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},
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{
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"containerPort": 2345,
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"protocol": "TCP"
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},
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{
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"containerPort": 3456,
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"protocol": "UDP"
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}
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],
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"env": [
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"<<UNORDERED>>",
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{
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"name": "CGO",
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"value": "0"
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},
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{
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"name": "CI_SCRIPT",
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"value": "CmlmIFsgLW4gIiRDSV9ORVRSQ19NQUNISU5FIiBdOyB0aGVuCmNhdCA8PEVPRiA+ICRIT01FLy5uZXRyYwptYWNoaW5lICRDSV9ORVRSQ19NQUNISU5FCmxvZ2luICRDSV9ORVRSQ19VU0VSTkFNRQpwYXNzd29yZCAkQ0lfTkVUUkNfUEFTU1dPUkQKRU9GCmNobW9kIDA2MDAgJEhPTUUvLm5ldHJjCmZpCnVuc2V0IENJX05FVFJDX1VTRVJOQU1FCnVuc2V0IENJX05FVFJDX1BBU1NXT1JECnVuc2V0IENJX1NDUklQVAoKZWNobyArICdnbyBnZXQnCmdvIGdldAoKZWNobyArICdnbyB0ZXN0JwpnbyB0ZXN0Cg=="
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},
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{
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"name": "HOME",
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"value": "/root"
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},
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{
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"name": "SHELL",
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"value": "/bin/sh"
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}
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],
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"resources": {
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"limits": {
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"cpu": "2",
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"memory": "256Mi"
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},
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"requests": {
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"cpu": "1",
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"memory": "128Mi"
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}
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},
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"volumeMounts": [
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{
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"name": "woodpecker-cache",
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"mountPath": "/woodpecker/src/cache"
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}
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],
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"imagePullPolicy": "Always",
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"securityContext": {
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"privileged": true
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}
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}
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],
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"restartPolicy": "Never",
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"nodeSelector": {
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"storage": "ssd"
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},
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"serviceAccountName": "wp-svc-acc",
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"securityContext": {
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"runAsUser": 101,
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"runAsGroup": 101,
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"runAsNonRoot": true,
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"fsGroup": 101,
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"seccompProfile": {
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"type": "Localhost",
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"localhostProfile": "profiles/audit.json"
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}
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},
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"imagePullSecrets": [
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{
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"name": "regcred"
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},
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{
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"name": "another-pull-secret"
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}
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],
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"tolerations": [
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{
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"key": "net-port",
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"value": "100Mbit",
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"effect": "NoSchedule"
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}
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],
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"hostAliases": [
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{
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"ip": "1.1.1.1",
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"hostnames": [
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"cloudflare"
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]
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},
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{
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"ip": "2606:4700:4700::64",
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"hostnames": [
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"cf.v6"
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]
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}
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]
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},
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"status": {}
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}`
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hostAliases := []types.HostAlias{
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{Name: "cloudflare", IP: "1.1.1.1"},
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{Name: "cf.v6", IP: "2606:4700:4700::64"},
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}
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ports := []types.Port{
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{Number: 1234},
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{Number: 2345, Protocol: "tcp"},
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{Number: 3456, Protocol: "udp"},
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}
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secCtx := SecurityContext{
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Privileged: newBool(true),
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RunAsNonRoot: newBool(true),
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RunAsUser: newInt64(101),
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RunAsGroup: newInt64(101),
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FSGroup: newInt64(101),
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SeccompProfile: &SecProfile{
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Type: "Localhost",
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LocalhostProfile: "profiles/audit.json",
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},
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ApparmorProfile: &SecProfile{
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Type: "Localhost",
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LocalhostProfile: "k8s-apparmor-example-deny-write",
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},
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}
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pod, err := mkPod(&types.Step{
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Name: "go-test",
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Image: "meltwater/drone-cache",
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WorkingDir: "/woodpecker/src",
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Pull: true,
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Privileged: true,
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Commands: []string{"go get", "go test"},
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Entrypoint: []string{"/bin/sh", "-c"},
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Volumes: []string{"woodpecker-cache:/woodpecker/src/cache"},
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Environment: map[string]string{"CGO": "0"},
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ExtraHosts: hostAliases,
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Ports: ports,
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}, &config{
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Namespace: "woodpecker",
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ImagePullSecretNames: []string{"regcred", "another-pull-secret"},
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PodLabels: map[string]string{"app": "test"},
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PodAnnotations: map[string]string{"apps.kubernetes.io/pod-index": "0"},
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SecurityContext: SecurityContextConfig{RunAsNonRoot: false},
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}, "wp-01he8bebctabr3kgk0qj36d2me-0", "linux/amd64", BackendOptions{
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NodeSelector: map[string]string{"storage": "ssd"},
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ServiceAccountName: "wp-svc-acc",
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Tolerations: []Toleration{{Key: "net-port", Value: "100Mbit", Effect: TaintEffectNoSchedule}},
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Resources: Resources{
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Requests: map[string]string{"memory": "128Mi", "cpu": "1000m"},
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Limits: map[string]string{"memory": "256Mi", "cpu": "2"},
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},
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SecurityContext: &secCtx,
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})
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assert.NoError(t, err)
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podJSON, err := json.Marshal(pod)
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assert.NoError(t, err)
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ja := jsonassert.New(t)
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ja.Assertf(string(podJSON), expected)
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}
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func TestPodPrivilege(t *testing.T) {
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createTestPod := func(stepPrivileged, globalRunAsRoot bool, secCtx SecurityContext) (*v1.Pod, error) {
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return mkPod(&types.Step{
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Name: "go-test",
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Image: "golang:1.16",
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Privileged: stepPrivileged,
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}, &config{
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Namespace: "woodpecker",
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SecurityContext: SecurityContextConfig{RunAsNonRoot: globalRunAsRoot},
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}, "wp-01he8bebctabr3kgk0qj36d2me-0", "linux/amd64", BackendOptions{
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SecurityContext: &secCtx,
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})
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}
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// securty context is requesting user and group 101 (non-root)
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secCtx := SecurityContext{
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RunAsUser: newInt64(101),
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RunAsGroup: newInt64(101),
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FSGroup: newInt64(101),
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}
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pod, err := createTestPod(false, false, secCtx)
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assert.NoError(t, err)
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assert.Equal(t, int64(101), *pod.Spec.SecurityContext.RunAsUser)
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assert.Equal(t, int64(101), *pod.Spec.SecurityContext.RunAsGroup)
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assert.Equal(t, int64(101), *pod.Spec.SecurityContext.FSGroup)
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// securty context is requesting root, but step is not privileged
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secCtx = SecurityContext{
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RunAsUser: newInt64(0),
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RunAsGroup: newInt64(0),
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FSGroup: newInt64(0),
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}
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pod, err = createTestPod(false, false, secCtx)
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assert.NoError(t, err)
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assert.Nil(t, pod.Spec.SecurityContext)
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assert.Nil(t, pod.Spec.Containers[0].SecurityContext)
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// step is not privileged, but security context is requesting privileged
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secCtx = SecurityContext{
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Privileged: newBool(true),
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}
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pod, err = createTestPod(false, false, secCtx)
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assert.NoError(t, err)
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assert.Nil(t, pod.Spec.SecurityContext)
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assert.Nil(t, pod.Spec.Containers[0].SecurityContext)
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// step is privileged and security context is requesting privileged
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secCtx = SecurityContext{
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Privileged: newBool(true),
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}
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pod, err = createTestPod(true, false, secCtx)
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assert.NoError(t, err)
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assert.Equal(t, true, *pod.Spec.Containers[0].SecurityContext.Privileged)
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// global runAsNonRoot is true and override is requested value by security context
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secCtx = SecurityContext{
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RunAsNonRoot: newBool(false),
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}
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pod, err = createTestPod(false, true, secCtx)
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assert.NoError(t, err)
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assert.Equal(t, true, *pod.Spec.SecurityContext.RunAsNonRoot)
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}
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