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build_pod.go
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package v1alpha2
import (
"fmt"
"path"
"path/filepath"
"strconv"
"strings"
"time"
"github.com/Masterminds/semver/v3"
"github.com/google/go-containerregistry/pkg/name"
"github.com/pkg/errors"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"knative.dev/pkg/kmeta"
corev1alpha1 "github.com/pivotal/kpack/pkg/apis/core/v1alpha1"
)
const (
PrepareContainerName = "prepare"
AnalyzeContainerName = "analyze"
DetectContainerName = "detect"
RestoreContainerName = "restore"
BuildContainerName = "build"
ExportContainerName = "export"
RebaseContainerName = "rebase"
CompletionContainerName = "completion"
secretVolumeNameTemplate = "secret-volume-%v"
pullSecretVolumeNameTemplate = "pull-secret-volume-%v"
completionTerminationMessagePath = "/tmp/termination-log"
cosignDefaultSecretPath = "/var/build-secrets/cosign/%s"
defaultSecretPath = "/var/build-secrets/%s"
ReportTOMLPath = "/var/report/report.toml"
BuildLabel = "kpack.io/build"
k8sOSLabel = "kubernetes.io/os"
cosignDockerMediaTypesAnnotationPrefix = "kpack.io/cosign.docker-media-types"
cosignRespositoryAnnotationPrefix = "kpack.io/cosign.repository"
DOCKERSecretAnnotationPrefix = "kpack.io/docker"
GITSecretAnnotationPrefix = "kpack.io/git"
IstioInject = "sidecar.istio.io/inject"
BuildReadyAnnotation = "build.kpack.io/ready"
cosignSecretDataCosignKey = "cosign.key"
cacheVolumeName = "cache-dir"
homeVolumeName = "home-dir"
layersVolumeName = "layers-dir"
networkWaitLauncherVolumeName = "network-wait-launcher-dir"
buildWaitVolumeName = "build-wait-dir"
downwardVolumeName = "downward-api-dir"
notaryVolumeName = "notary-dir"
platformVolumeName = "platform-dir"
registrySourcePullSecretsVolumeName = "registry-source-pull-secrets-dir"
reportVolumeName = "report-dir"
workspaceVolumeName = "workspace-dir"
buildChangesEnvVar = "BUILD_CHANGES"
CacheTagEnvVar = "CACHE_TAG"
platformApiVersionEnvVarName = "CNB_PLATFORM_API"
serviceBindingRootEnvVar = "SERVICE_BINDING_ROOT"
TerminationMessagePathEnvVar = "TERMINATION_MESSAGE_PATH"
PlatformEnvVarPrefix = "PLATFORM_ENV_"
)
var (
PrepareCommand = "/cnb/process/build-init"
AnalyzeCommand = "/cnb/lifecycle/analyzer"
DetectCommand = "/cnb/lifecycle/detector"
RestoreCommand = "/cnb/lifecycle/restorer"
BuildCommand = "/cnb/lifecycle/builder"
ExportCommand = "/cnb/lifecycle/exporter"
CompletionCommand = "/cnb/process/completion"
RebaseCommand = "/cnb/process/rebase"
)
type ServiceBinding interface {
ServiceName() string
}
type BuildPodImages struct {
BuildInitImage string
BuildWaiterImage string
CompletionImage string
RebaseImage string
BuildInitWindowsImage string
CompletionWindowsImage string
}
func (bpi *BuildPodImages) buildInit(os string) string {
switch os {
case "windows":
return bpi.BuildInitWindowsImage
default:
return bpi.BuildInitImage
}
}
func (bpi *BuildPodImages) completion(os string) string {
switch os {
case "windows":
return bpi.CompletionWindowsImage
default:
return bpi.CompletionImage
}
}
func terminationMsgPath(os string) string {
switch os {
case "windows":
return ""
default:
return completionTerminationMessagePath
}
}
// +k8s:deepcopy-gen=false
type BuildContext struct {
BuildPodBuilderConfig BuildPodBuilderConfig
Secrets []corev1.Secret
Bindings []ServiceBinding
ImagePullSecrets []corev1.LocalObjectReference
MaximumPlatformApiVersion *semver.Version
InjectedSidecarSupport bool
SSHTrustUnknownHost bool
}
func (c BuildContext) os() string {
return c.BuildPodBuilderConfig.OS
}
type BuildPodBuilderConfig struct {
StackID string
RunImage string
Uid int64
Gid int64
PlatformAPIs []string
OS string
}
var (
sourceMount = corev1.VolumeMount{
Name: workspaceVolumeName,
MountPath: "/workspace",
}
homeMount = corev1.VolumeMount{
Name: homeVolumeName,
MountPath: "/builder/home",
}
platformMount = corev1.VolumeMount{
Name: platformVolumeName,
MountPath: "/platform",
}
cacheMount = corev1.VolumeMount{
Name: cacheVolumeName,
MountPath: "/cache",
}
layersMount = corev1.VolumeMount{
Name: layersVolumeName,
MountPath: "/layers",
}
projectMetadataMount = corev1.VolumeMount{
Name: layersVolumeName,
MountPath: "/projectMetadata",
}
registrySourcePullSecretsMount = corev1.VolumeMount{
Name: registrySourcePullSecretsVolumeName,
MountPath: "/registrySourcePullSecrets",
ReadOnly: true,
}
notaryV1Mount = corev1.VolumeMount{
Name: notaryVolumeName,
MountPath: "/var/notary/v1",
ReadOnly: true,
}
reportMount = corev1.VolumeMount{
Name: reportVolumeName,
MountPath: "/var/report",
ReadOnly: false,
}
networkWaitLauncherMount = corev1.VolumeMount{
Name: networkWaitLauncherVolumeName,
MountPath: "/networkWait",
ReadOnly: false,
}
homeEnv = corev1.EnvVar{
Name: "HOME",
Value: "/builder/home",
}
serviceBindingRootEnv = corev1.EnvVar{
Name: serviceBindingRootEnvVar,
Value: filepath.Join(platformMount.MountPath, "bindings"),
}
buildWaitMount = corev1.VolumeMount{
Name: buildWaitVolumeName,
MountPath: "/buildWait",
ReadOnly: false,
}
downwardMount = corev1.VolumeMount{
Name: downwardVolumeName,
MountPath: "/downward",
}
)
type stepModifier func(corev1.Container) corev1.Container
type podModifier func(*corev1.Pod) *corev1.Pod
func (b *Build) BuildPod(images BuildPodImages, buildContext BuildContext) (*corev1.Pod, error) {
platformAPI, err := buildContext.highestSupportedPlatformAPI(b)
if err != nil {
return nil, err
}
platformApiVersionEnvVar := corev1.EnvVar{Name: platformApiVersionEnvVarName, Value: platformAPI.Original()}
if b.rebasable(buildContext.BuildPodBuilderConfig.StackID) {
return b.rebasePod(buildContext, images)
}
ref, err := name.ParseReference(b.Tag())
if err != nil {
return nil, err
}
dnsProbeHost := ref.Context().RegistryStr()
buildEnv := b.Spec.Source.Source().BuildEnvVars()
for _, envVar := range b.Spec.Env {
envVar.Name = PlatformEnvVarPrefix + envVar.Name
buildEnv = append(buildEnv, envVar)
}
secretVolumes, secretVolumeMounts, secretArgs := b.setupSecretVolumesAndArgs(buildContext.Secrets, gitAndDockerSecrets)
cosignVolumes, cosignVolumeMounts, cosignSecretArgs := b.setupCosignVolumes(buildContext.Secrets)
imagePullVolumes, imagePullVolumeMounts, imagePullArgs := b.setupImagePullVolumes(buildContext.ImagePullSecrets)
bindingVolumes, bindingVolumeMounts, err := setupBindingVolumesAndMounts(buildContext.Bindings)
if err != nil {
return nil, err
}
runImage := buildContext.BuildPodBuilderConfig.RunImage
if b.Spec.RunImage.Image != "" {
runImage = b.Spec.RunImage.Image
}
workspaceVolume := corev1.VolumeMount{
Name: sourceMount.Name,
MountPath: sourceMount.MountPath,
SubPath: b.Spec.Source.SubPath, // empty string is a nop
}
var genericCacheArgs []string
var analyzerCacheArgs []string = nil
var exporterCacheArgs []string
var cacheVolumes []corev1.VolumeMount
if b.Spec.NeedVolumeCache() && buildContext.os() != "windows" {
genericCacheArgs = []string{"-cache-dir=/cache"}
cacheVolumes = []corev1.VolumeMount{cacheMount}
exporterCacheArgs = genericCacheArgs
} else if b.Spec.NeedRegistryCache() {
useCacheFromLastBuild := b.Spec.LastBuild != nil && b.Spec.LastBuild.Cache.Image != ""
if useCacheFromLastBuild {
genericCacheArgs = []string{fmt.Sprintf("-cache-image=%s", b.Spec.LastBuild.Cache.Image)}
}
analyzerCacheArgs = genericCacheArgs
exporterCacheArgs = []string{fmt.Sprintf("-cache-image=%s", b.Spec.Cache.Registry.Tag)}
} else {
genericCacheArgs = nil
}
analyzeContainer := corev1.Container{
Name: AnalyzeContainerName,
Image: b.Spec.Builder.Image,
Command: []string{AnalyzeCommand},
Resources: b.Spec.Resources,
Args: args(
[]string{
"-layers=/layers",
"-analyzed=/layers/analyzed.toml",
"-run-image=" + runImage,
},
analyzerCacheArgs,
func() []string {
tags := []string{}
if len(b.Spec.Tags) > 1 {
for _, tag := range b.Spec.Tags[1:] {
tags = append(tags, "-tag="+tag)
}
}
return tags
}(),
func() []string {
if b.Spec.LastBuild != nil && b.Spec.LastBuild.Image != "" {
return []string{"-previous-image=" + b.Spec.LastBuild.Image, b.Tag()}
}
return []string{b.Tag()}
}(),
),
SecurityContext: containerSecurityContext(buildContext.BuildPodBuilderConfig),
VolumeMounts: volumeMounts([]corev1.VolumeMount{
layersMount,
workspaceVolume,
homeMount,
}),
Env: []corev1.EnvVar{
homeEnv,
platformApiVersionEnvVar,
serviceBindingRootEnv,
},
ImagePullPolicy: corev1.PullIfNotPresent,
}
analyzerContainerMods := ifWindows(
buildContext.os(),
addNetworkWaitLauncherVolume(),
useNetworkWaitLauncher(dnsProbeHost),
userprofileHomeEnv(),
)
detectContainer := corev1.Container{
Name: DetectContainerName,
Image: b.Spec.Builder.Image,
Command: []string{DetectCommand},
Resources: b.Spec.Resources,
Args: []string{
"-app=/workspace",
"-group=/layers/group.toml",
"-plan=/layers/plan.toml",
},
VolumeMounts: volumeMounts([]corev1.VolumeMount{
layersMount,
platformMount,
workspaceVolume,
}, bindingVolumeMounts),
ImagePullPolicy: corev1.PullIfNotPresent,
Env: []corev1.EnvVar{
platformApiVersionEnvVar,
},
SecurityContext: containerSecurityContext(buildContext.BuildPodBuilderConfig),
}
detectContainerMods := ifWindows(buildContext.os(), addNetworkWaitLauncherVolume(), useNetworkWaitLauncher(dnsProbeHost))
dateTime, err := parseTime(b.Spec.CreationTime)
if err != nil {
return nil, errors.Wrapf(err, "parsing creation time %s", b.Spec.CreationTime)
}
pod := &corev1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: b.PodName(),
Namespace: b.Namespace,
Labels: combine(b.Labels, map[string]string{
BuildLabel: b.Name,
}),
Annotations: combine(b.Annotations, map[string]string{
IstioInject: "false",
}),
OwnerReferences: []metav1.OwnerReference{
*kmeta.NewControllerRef(b),
},
},
Spec: corev1.PodSpec{
// If the build fails, don't restart it.
RestartPolicy: corev1.RestartPolicyNever,
ActiveDeadlineSeconds: b.Spec.ActiveDeadlineSeconds,
PriorityClassName: b.PriorityClassName(),
Containers: steps(func(step func(corev1.Container, ...stepModifier)) {
step(
corev1.Container{
Name: CompletionContainerName,
Image: images.completion(buildContext.os()),
Command: []string{CompletionCommand},
Env: []corev1.EnvVar{
homeEnv,
{Name: CacheTagEnvVar, Value: b.Spec.RegistryCacheTag()},
{Name: TerminationMessagePathEnvVar, Value: completionTerminationMessagePath},
},
Args: args(
b.notaryArgs(),
secretArgs,
b.cosignArgs(),
cosignSecretArgs,
),
TerminationMessagePath: terminationMsgPath(buildContext.os()),
TerminationMessagePolicy: corev1.TerminationMessageFallbackToLogsOnError,
Resources: b.Spec.Resources,
VolumeMounts: volumeMounts(
secretVolumeMounts,
cosignVolumeMounts,
[]corev1.VolumeMount{
homeMount,
reportMount,
notaryV1Mount,
},
),
ImagePullPolicy: corev1.PullIfNotPresent,
SecurityContext: containerSecurityContext(buildContext.BuildPodBuilderConfig),
},
ifWindows(buildContext.os(), addNetworkWaitLauncherVolume(), useNetworkWaitLauncher(dnsProbeHost), userprofileHomeEnv())...)
}),
SecurityContext: podSecurityContext(buildContext.BuildPodBuilderConfig),
InitContainers: steps(func(step func(corev1.Container, ...stepModifier)) {
step(
corev1.Container{
Name: PrepareContainerName,
Image: images.buildInit(buildContext.os()),
Command: []string{PrepareCommand},
Args: append(secretArgs, imagePullArgs...),
Resources: b.Spec.Resources,
SecurityContext: containerSecurityContext(buildContext.BuildPodBuilderConfig),
Env: append(
buildEnv,
corev1.EnvVar{
Name: "SOURCE_SUB_PATH",
Value: b.Spec.Source.SubPath,
},
corev1.EnvVar{
Name: "PROJECT_DESCRIPTOR_PATH",
Value: b.Spec.ProjectDescriptorPath,
},
corev1.EnvVar{
Name: "IMAGE_TAG",
Value: b.Tag(),
},
corev1.EnvVar{
Name: "RUN_IMAGE",
Value: runImage,
},
corev1.EnvVar{
Name: "BUILDER_IMAGE",
Value: b.BuilderSpec().Image,
},
corev1.EnvVar{
Name: "BUILDER_NAME",
Value: b.builderName(),
},
corev1.EnvVar{
Name: "BUILDER_KIND",
Value: b.builderKind(),
},
corev1.EnvVar{
Name: "DNS_PROBE_HOSTNAME",
Value: dnsProbeHost,
},
corev1.EnvVar{
Name: buildChangesEnvVar,
Value: b.BuildChanges(),
},
corev1.EnvVar{
Name: "INSECURE_SSH_TRUST_UNKNOWN_HOSTS",
Value: strconv.FormatBool(buildContext.SSHTrustUnknownHost),
},
),
ImagePullPolicy: corev1.PullIfNotPresent,
WorkingDir: "/workspace",
VolumeMounts: volumeMounts(
secretVolumeMounts,
imagePullVolumeMounts,
[]corev1.VolumeMount{
registrySourcePullSecretsMount,
platformMount,
sourceMount,
homeMount,
projectMetadataMount,
},
),
},
ifWindows(buildContext.os(), addNetworkWaitLauncherVolume())...,
)
step(analyzeContainer, analyzerContainerMods...)
step(detectContainer, detectContainerMods...)
step(
corev1.Container{
Name: RestoreContainerName,
Image: b.Spec.Builder.Image,
Command: []string{RestoreCommand},
Resources: b.Spec.Resources,
SecurityContext: containerSecurityContext(buildContext.BuildPodBuilderConfig),
Args: args([]string{
"-group=/layers/group.toml",
"-layers=/layers",
},
genericCacheArgs,
[]string{"-analyzed=/layers/analyzed.toml"}),
VolumeMounts: volumeMounts([]corev1.VolumeMount{
layersMount,
homeMount,
}, cacheVolumes),
Env: []corev1.EnvVar{
homeEnv,
platformApiVersionEnvVar,
},
ImagePullPolicy: corev1.PullIfNotPresent,
},
ifWindows(buildContext.os(),
addNetworkWaitLauncherVolume(),
useNetworkWaitLauncher(dnsProbeHost),
userprofileHomeEnv(),
)...,
)
step(
corev1.Container{
Name: BuildContainerName,
Image: b.Spec.Builder.Image,
Command: []string{BuildCommand},
Resources: b.Spec.Resources,
SecurityContext: containerSecurityContext(buildContext.BuildPodBuilderConfig),
Args: []string{
"-layers=/layers",
"-app=/workspace",
"-group=/layers/group.toml",
"-plan=/layers/plan.toml",
},
VolumeMounts: volumeMounts([]corev1.VolumeMount{
layersMount,
platformMount,
workspaceVolume,
}, bindingVolumeMounts),
ImagePullPolicy: corev1.PullIfNotPresent,
Env: []corev1.EnvVar{
platformApiVersionEnvVar,
serviceBindingRootEnv,
},
},
ifWindows(buildContext.os(), addNetworkWaitLauncherVolume(), useNetworkWaitLauncher(dnsProbeHost))...,
)
step(
corev1.Container{
Name: ExportContainerName,
Image: b.Spec.Builder.Image,
Command: []string{ExportCommand},
Resources: b.Spec.Resources,
SecurityContext: containerSecurityContext(buildContext.BuildPodBuilderConfig),
Args: args(
[]string{
"-layers=/layers",
"-app=/workspace",
"-group=/layers/group.toml",
"-analyzed=/layers/analyzed.toml",
"-project-metadata=/layers/project-metadata.toml",
},
exporterCacheArgs,
func() []string {
if b.DefaultProcess() == "" {
return nil
}
return []string{fmt.Sprintf("-process-type=%s", b.DefaultProcess())}
}(),
[]string{fmt.Sprintf("-report=%s", ReportTOMLPath)},
b.Spec.Tags),
VolumeMounts: volumeMounts([]corev1.VolumeMount{
layersMount,
workspaceVolume,
homeMount,
reportMount,
}, cacheVolumes),
Env: envs(
[]corev1.EnvVar{
homeEnv,
platformApiVersionEnvVar,
},
func() corev1.EnvVar {
if dateTime != nil {
return corev1.EnvVar{Name: "SOURCE_DATE_EPOCH", Value: strconv.Itoa(int(dateTime.Unix()))}
}
return corev1.EnvVar{Name: "", Value: ""}
}(),
func() corev1.EnvVar {
return corev1.EnvVar{
Name: "CNB_RUN_IMAGE",
Value: runImage,
}
}()),
ImagePullPolicy: corev1.PullIfNotPresent,
},
ifWindows(buildContext.os(),
addNetworkWaitLauncherVolume(),
useNetworkWaitLauncher(dnsProbeHost),
userprofileHomeEnv(),
)...,
)
}),
ServiceAccountName: b.Spec.ServiceAccountName,
NodeSelector: b.nodeSelector(buildContext.os()),
Tolerations: b.Spec.Tolerations,
Affinity: b.Spec.Affinity,
RuntimeClassName: b.Spec.RuntimeClassName,
SchedulerName: b.Spec.SchedulerName,
Volumes: volumes(
secretVolumes,
cosignVolumes,
imagePullVolumes,
b.cacheVolume(buildContext.os()),
[]corev1.Volume{
{
Name: layersVolumeName,
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
},
{
Name: homeVolumeName,
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
},
{
Name: workspaceVolumeName,
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
},
{
Name: platformVolumeName,
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
},
{
Name: reportVolumeName,
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
},
{
Name: networkWaitLauncherVolumeName,
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
},
b.Spec.Source.Source().ImagePullSecretsVolume(registrySourcePullSecretsVolumeName),
b.notarySecretVolume(),
},
bindingVolumes),
ImagePullSecrets: b.Spec.Builder.ImagePullSecrets,
},
}
if buildContext.InjectedSidecarSupport && buildContext.os() != "windows" {
pod = b.useStandardContainers(images.BuildWaiterImage, pod)
}
return pod, nil
}
func boolPointer(b bool) *bool {
return &b
}
func containerSecurityContext(config BuildPodBuilderConfig) *corev1.SecurityContext {
if config.OS == "windows" {
return nil
}
return &corev1.SecurityContext{
RunAsNonRoot: boolPointer(true),
AllowPrivilegeEscalation: boolPointer(false),
Privileged: boolPointer(false),
SeccompProfile: &corev1.SeccompProfile{Type: corev1.SeccompProfileTypeRuntimeDefault},
Capabilities: &corev1.Capabilities{Drop: []corev1.Capability{"ALL"}},
}
}
func podSecurityContext(config BuildPodBuilderConfig) *corev1.PodSecurityContext {
if config.OS == "windows" {
return nil
}
return &corev1.PodSecurityContext{
RunAsNonRoot: boolPointer(true),
SeccompProfile: &corev1.SeccompProfile{Type: corev1.SeccompProfileTypeRuntimeDefault},
FSGroup: &config.Gid,
RunAsUser: &config.Uid,
RunAsGroup: &config.Gid,
}
}
func ifWindows(os string, modifiers ...stepModifier) []stepModifier {
if os == "windows" {
return modifiers
}
return []stepModifier{noOpModifer}
}
func useNetworkWaitLauncher(dnsProbeHost string) stepModifier {
return func(container corev1.Container) corev1.Container {
startCommand := container.Command
container.Args = args([]string{dnsProbeHost, "--"}, startCommand, container.Args)
container.Command = []string{"/networkWait/network-wait-launcher"}
return container
}
}
func addNetworkWaitLauncherVolume() stepModifier {
return func(container corev1.Container) corev1.Container {
container.VolumeMounts = append(container.VolumeMounts, networkWaitLauncherMount)
return container
}
}
func setUpBuildWaiter(container corev1.Container, waitFile string) corev1.Container {
container.VolumeMounts = append(container.VolumeMounts, buildWaitMount)
startCommand := container.Command
containerArgs := container.Args
container.Command = []string{"/buildWait/build-waiter"}
container.Args = []string{
"-mode=wait",
fmt.Sprintf("-done-file=%s/%s", buildWaitMount.MountPath, container.Name),
fmt.Sprintf("-error-file=%s/%s", buildWaitMount.MountPath, "error"),
fmt.Sprintf("-execute=%s %s", startCommand[0], strings.Join(containerArgs, " ")),
}
if waitFile != "" {
container.Args = append(container.Args, fmt.Sprintf("-wait-file=%s", waitFile))
}
return container
}
func (b *Build) useStandardContainers(buildWaiterImage string, pod *corev1.Pod) *corev1.Pod {
containers := pod.Spec.InitContainers
pod.Spec.InitContainers = []corev1.Container{
{
Name: "pre-start",
Image: buildWaiterImage,
Args: []string{"-mode=copy", fmt.Sprintf("-to=%s", path.Join(buildWaitMount.MountPath, "build-waiter"))},
Resources: b.Spec.Resources,
ImagePullPolicy: corev1.PullIfNotPresent,
WorkingDir: "/workspace",
VolumeMounts: volumeMounts(
[]corev1.VolumeMount{
buildWaitMount,
},
),
},
}
pod.Spec.Containers = append(containers, pod.Spec.Containers...)
for i := 0; i < len(pod.Spec.Containers); i++ {
if i == 0 {
pod.Spec.Containers[i].VolumeMounts = append(pod.Spec.Containers[i].VolumeMounts, downwardMount)
pod.Spec.Containers[i] = setUpBuildWaiter(pod.Spec.Containers[i], "/downward/sidecars-ready")
} else {
pod.Spec.Containers[i] = setUpBuildWaiter(pod.Spec.Containers[i], fmt.Sprintf("%s/%s", buildWaitMount.MountPath, pod.Spec.Containers[i-1].Name))
}
}
pod.Spec.Volumes = append(pod.Spec.Volumes,
corev1.Volume{
Name: buildWaitVolumeName,
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
},
corev1.Volume{
Name: downwardVolumeName,
VolumeSource: corev1.VolumeSource{
DownwardAPI: &corev1.DownwardAPIVolumeSource{
Items: []corev1.DownwardAPIVolumeFile{
{
Path: "sidecars-ready",
FieldRef: &corev1.ObjectFieldSelector{
FieldPath: fmt.Sprintf("metadata.annotations['%s']", BuildReadyAnnotation),
},
},
},
},
},
},
)
delete(pod.Annotations, IstioInject)
return pod
}
func userprofileHomeEnv() stepModifier {
return func(container corev1.Container) corev1.Container {
for i, env := range container.Env {
if env.Name == "HOME" {
container.Env[i].Name = "USERPROFILE"
}
}
return container
}
}
func noOpModifer(container corev1.Container) corev1.Container {
return container
}
func (b *Build) notarySecretVolume() corev1.Volume {
config := b.NotaryV1Config()
if config == nil {
return corev1.Volume{
Name: notaryVolumeName,
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
}
}
return corev1.Volume{
Name: notaryVolumeName,
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: config.SecretRef.Name,
},
},
}
}
func (b *Build) notaryArgs() []string {
if b.NotaryV1Config() == nil {
return nil
}
return []string{"-notary-v1-url=" + b.NotaryV1Config().URL}
}
func (b *Build) cosignArgs() []string {
args := []string{
fmt.Sprintf("-cosign-annotations=buildTimestamp=%s", b.ObjectMeta.CreationTimestamp.Format("20060102.150405")),
fmt.Sprintf("-cosign-annotations=buildNumber=%s", b.Labels[BuildNumberLabel]),
}
if b.Spec.Cosign != nil && b.Spec.Cosign.Annotations != nil {
for _, annotation := range b.Spec.Cosign.Annotations {
args = append(args, fmt.Sprintf("-cosign-annotations=%s=%s", annotation.Name, annotation.Value))
}
}
return args
}
func (b *Build) rebasePod(buildContext BuildContext, images BuildPodImages) (*corev1.Pod, error) {
secretVolumes, secretVolumeMounts, secretArgs := b.setupSecretVolumesAndArgs(buildContext.Secrets, dockerSecrets)
cosignVolumes, cosignVolumeMounts, cosignSecretArgs := b.setupCosignVolumes(buildContext.Secrets)
imagePullVolumes, imagePullVolumeMounts, imagePullArgs := b.setupImagePullVolumes(buildContext.ImagePullSecrets)
runImage := buildContext.BuildPodBuilderConfig.RunImage
if b.Spec.RunImage.Image != "" {
runImage = b.Spec.RunImage.Image
}
pod := &corev1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: b.PodName(),
Namespace: b.Namespace,
Labels: combine(b.Labels, map[string]string{
BuildLabel: b.Name,
}),
Annotations: combine(b.Annotations, map[string]string{
IstioInject: "false",
}),
OwnerReferences: []metav1.OwnerReference{
*kmeta.NewControllerRef(b),
},
},
Spec: corev1.PodSpec{
ServiceAccountName: b.Spec.ServiceAccountName,
NodeSelector: b.nodeSelector("linux"),
Tolerations: b.Spec.Tolerations,
Affinity: b.Spec.Affinity,
RuntimeClassName: b.Spec.RuntimeClassName,
SchedulerName: b.Spec.SchedulerName,
PriorityClassName: b.PriorityClassName(),
SecurityContext: &corev1.PodSecurityContext{
RunAsNonRoot: boolPointer(true),
SeccompProfile: &corev1.SeccompProfile{Type: corev1.SeccompProfileTypeRuntimeDefault},
},
Volumes: volumes(
secretVolumes,
cosignVolumes,
imagePullVolumes,
[]corev1.Volume{
{
Name: reportVolumeName,
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
},
b.notarySecretVolume(),
},
),
RestartPolicy: corev1.RestartPolicyNever,
Containers: []corev1.Container{
{
Name: CompletionContainerName,
Image: images.completion(buildContext.os()),
Command: []string{CompletionCommand},
Env: []corev1.EnvVar{
{Name: CacheTagEnvVar, Value: b.Spec.RegistryCacheTag()},
{Name: TerminationMessagePathEnvVar, Value: completionTerminationMessagePath},
},
Args: args(
b.notaryArgs(),
secretArgs,
b.cosignArgs(),
cosignSecretArgs,
),
SecurityContext: containerSecurityContext(buildContext.BuildPodBuilderConfig),
TerminationMessagePath: terminationMsgPath(buildContext.os()),
TerminationMessagePolicy: corev1.TerminationMessageFallbackToLogsOnError,
Resources: b.Spec.Resources,
VolumeMounts: volumeMounts(
[]corev1.VolumeMount{reportMount, notaryV1Mount},
secretVolumeMounts,
cosignVolumeMounts,
),
ImagePullPolicy: corev1.PullIfNotPresent,
},
},
InitContainers: []corev1.Container{
{
Name: RebaseContainerName,
Image: images.RebaseImage,
Command: []string{RebaseCommand},
Resources: b.Spec.Resources,
SecurityContext: containerSecurityContext(buildContext.BuildPodBuilderConfig),
Args: args(a(
"--run-image",
runImage,
"--last-built-image",
b.Spec.LastBuild.Image,
"--report",
ReportTOMLPath,
),
secretArgs,
imagePullArgs,
b.Spec.Tags,
),
Env: []corev1.EnvVar{
{
Name: buildChangesEnvVar,
Value: b.BuildChanges(),
},
},
ImagePullPolicy: corev1.PullIfNotPresent,
WorkingDir: "/workspace",
VolumeMounts: volumeMounts(
secretVolumeMounts,
imagePullVolumeMounts,
[]corev1.VolumeMount{
reportMount,
},
),
},
},
},
Status: corev1.PodStatus{},
}
if buildContext.InjectedSidecarSupport && buildContext.os() != "windows" {
pod = b.useStandardContainers(images.BuildWaiterImage, pod)
}
return pod, nil
}
func (b *Build) cacheVolume(os string) []corev1.Volume {
if !b.Spec.NeedVolumeCache() || os == "windows" {
return []corev1.Volume{}
}
return []corev1.Volume{{
Name: cacheVolumeName,
VolumeSource: corev1.VolumeSource{
PersistentVolumeClaim: &corev1.PersistentVolumeClaimVolumeSource{ClaimName: b.Spec.Cache.Volume.ClaimName},
},
}}
}
func gitAndDockerSecrets(secret corev1.Secret) bool {
return secret.Annotations[GITSecretAnnotationPrefix] != "" || dockerSecrets(secret)
}
func dockerSecrets(secret corev1.Secret) bool {
return secret.Annotations[DOCKERSecretAnnotationPrefix] != "" || secret.Type == corev1.SecretTypeDockercfg || secret.Type == corev1.SecretTypeDockerConfigJson
}
func (b *Build) setupSecretVolumesAndArgs(secrets []corev1.Secret, filter func(secret corev1.Secret) bool) ([]corev1.Volume, []corev1.VolumeMount, []string) {
var (
volumes []corev1.Volume
volumeMounts []corev1.VolumeMount
args []string
)
for i, secret := range secrets {
switch {
case !filter(secret):
continue
case secret.Type == corev1.SecretTypeBasicAuth && secret.Annotations[DOCKERSecretAnnotationPrefix] != "":
args = append(args,