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transform.go
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package transform
import (
"reflect"
"strconv"
"strings"
"github.com/go-logr/logr"
mf "github.com/manifestival/manifestival"
admissionregistrationv1 "k8s.io/api/admissionregistration/v1"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
rbacv1 "k8s.io/api/rbac/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
apiregistrationv1 "k8s.io/kube-aggregator/pkg/apis/apiregistration/v1"
)
var (
logLevels = []string{"debug", "info", "error"}
logEncoders = []string{"json", "console"}
logTimeEncodings = []string{"epoch", "millis", "nano", "iso8601", "rfc3339", "rfc3339nano"}
)
type Prefix string
const (
LogLevelArg Prefix = "--zap-log-level="
LogEncoderArg Prefix = "--zap-encoder="
LogTimeEncodingArg Prefix = "--zap-time-encoding="
LogLevelMetricsServer Prefix = "--v="
ClientCAFile Prefix = "--client-ca-file="
TLSCertFile Prefix = "--tls-cert-file="
TLSPrivateKeyFile Prefix = "--tls-private-key-file="
CertRotation Prefix = "--enable-cert-rotation="
)
func (p Prefix) String() string {
return string(p)
}
const (
defaultNamespace = "keda"
containerNameKedaOperator = "keda-operator"
containerNameMetricsServer = "keda-metrics-apiserver"
containerNameAdmissionWebhooks = "keda-admission-webhooks"
)
// ReplaceAllNamespaces returns a transformer which will traverse the unstructured content looking for map entries with
// (key, value) of ("namespace", "keda"), changing the value of any matches to namespace
func ReplaceAllNamespaces(namespace string) mf.Transformer {
// recursive function helper
var helper func(obj interface{})
helper = func(obj interface{}) {
if obj == nil || reflect.ValueOf(obj).Kind() == reflect.Pointer && reflect.ValueOf(obj).IsNil() {
return
}
if mapInstance, ok := obj.(map[string]interface{}); ok {
for k, v := range mapInstance {
if stringVal, ok := v.(string); k == "namespace" && ok && stringVal == defaultNamespace {
mapInstance[k] = namespace
} else {
helper(v)
}
}
} else if arrayInstance, ok := obj.([]interface{}); ok {
for _, item := range arrayInstance {
helper(item)
}
} else {
return
}
}
return func(u *unstructured.Unstructured) error {
helper(u.UnstructuredContent())
return nil
}
}
func ReplaceNamespace(name string, namespace string, scheme *runtime.Scheme, logger logr.Logger) mf.Transformer {
return func(u *unstructured.Unstructured) error {
if u.GetName() == name {
logger.Info("Changing namespace to " + namespace)
rolebinding := &rbacv1.RoleBinding{}
if err := scheme.Convert(u, rolebinding, nil); err != nil {
return err
}
rolebinding.Namespace = namespace
if err := scheme.Convert(rolebinding, u, nil); err != nil {
return err
}
}
return nil
}
}
func ReplaceWatchNamespace(watchNamespace string, containerName string, scheme *runtime.Scheme, logger logr.Logger) mf.Transformer {
return func(u *unstructured.Unstructured) error {
changed := false
if u.GetKind() == "Deployment" {
deploy := &appsv1.Deployment{}
if err := scheme.Convert(u, deploy, nil); err != nil {
return err
}
containers := deploy.Spec.Template.Spec.Containers
for i, container := range containers {
if container.Name == containerName {
for j, env := range container.Env {
if env.Name == "WATCH_NAMESPACE" {
if env.Value != watchNamespace {
logger.Info("Replacing", "deployment", container.Name, "WATCH_NAMESPACE", watchNamespace, "previous", env.Value)
containers[i].Env[j].Value = watchNamespace
changed = true
}
break
}
}
break
}
}
if changed {
if err := scheme.Convert(deploy, u, nil); err != nil {
return err
}
}
}
return nil
}
}
func RemoveSeccompProfile(containerName string, scheme *runtime.Scheme, logger logr.Logger) mf.Transformer {
return func(u *unstructured.Unstructured) error {
changed := false
if u.GetKind() == "Deployment" {
deploy := &appsv1.Deployment{}
if err := scheme.Convert(u, deploy, nil); err != nil {
return err
}
containers := deploy.Spec.Template.Spec.Containers
for i, container := range containers {
if container.Name == containerName {
if container.SecurityContext != nil && container.SecurityContext.SeccompProfile != nil && container.SecurityContext.SeccompProfile.Type == corev1.SeccompProfileTypeRuntimeDefault {
containers[i].SecurityContext.SeccompProfile = nil
changed = true
logger.Info("Removed SeccomProfile from SecurityContext from pod", "container", container.Name)
break
}
}
}
if changed {
if err := scheme.Convert(deploy, u, nil); err != nil {
return err
}
}
}
return nil
}
}
func RemoveSeccompProfileFromKedaOperator(scheme *runtime.Scheme, logger logr.Logger) mf.Transformer {
return RemoveSeccompProfile(containerNameKedaOperator, scheme, logger)
}
func RemoveSeccompProfileFromMetricsServer(scheme *runtime.Scheme, logger logr.Logger) mf.Transformer {
return RemoveSeccompProfile(containerNameMetricsServer, scheme, logger)
}
func RemoveSeccompProfileFromAdmissionWebhooks(scheme *runtime.Scheme, logger logr.Logger) mf.Transformer {
return RemoveSeccompProfile(containerNameAdmissionWebhooks, scheme, logger)
}
func EnsureCABundleInjectionForValidatingWebhookConfiguration(annotation string, annotationValue string, scheme *runtime.Scheme) mf.Transformer {
return func(u *unstructured.Unstructured) error {
if u.GetKind() == "ValidatingWebhookConfiguration" {
vwc := &admissionregistrationv1.ValidatingWebhookConfiguration{}
if err := scheme.Convert(u, vwc, nil); err != nil {
return err
}
metav1.SetMetaDataAnnotation(&vwc.ObjectMeta, annotation, annotationValue)
if err := scheme.Convert(vwc, u, nil); err != nil {
return err
}
}
return nil
}
}
func EnsureCABundleInjectionForAPIService(annotation string, annotationValue string, scheme *runtime.Scheme) mf.Transformer {
return func(u *unstructured.Unstructured) error {
if u.GetKind() == "APIService" {
apiService := &apiregistrationv1.APIService{}
if err := scheme.Convert(u, apiService, nil); err != nil {
return err
}
metav1.SetMetaDataAnnotation(&apiService.ObjectMeta, annotation, annotationValue)
apiService.Spec.InsecureSkipTLSVerify = false
if err := scheme.Convert(apiService, u, nil); err != nil {
return err
}
}
return nil
}
}
func EnsureCertInjectionForService(serviceName string, annotation string, annotationValue string) mf.Transformer {
return func(u *unstructured.Unstructured) error {
if u.GetKind() == "Service" && u.GetName() == serviceName {
annotations := u.GetAnnotations()
if annotations == nil {
annotations = make(map[string]string)
}
annotations[annotation] = annotationValue
u.SetAnnotations(annotations)
}
return nil
}
}
func MetricsServerEnsureCertificatesVolume(configMapName, secretName string, scheme *runtime.Scheme) mf.Transformer {
return ensureCertificatesVolumeForDeployment(containerNameMetricsServer, configMapName, secretName, scheme)
}
func KedaOperatorEnsureCertificatesVolume(serviceSecretName string, grpcClientCertsSecretName string, scheme *runtime.Scheme) mf.Transformer {
return func(u *unstructured.Unstructured) error {
if u.GetKind() == "Deployment" {
deploy := &appsv1.Deployment{}
if err := scheme.Convert(u, deploy, nil); err != nil {
return err
}
certificatesVolume := corev1.Volume{
Name: "certificates",
VolumeSource: corev1.VolumeSource{
Projected: &corev1.ProjectedVolumeSource{
Sources: []corev1.VolumeProjection{
{
Secret: &corev1.SecretProjection{
LocalObjectReference: corev1.LocalObjectReference{
Name: serviceSecretName,
},
Items: []corev1.KeyToPath{
{Key: "tls.crt", Path: "tls.crt"}, // use OpenShift-generated service cert for gRPC service
{Key: "tls.key", Path: "tls.key"},
},
},
},
{
Secret: &corev1.SecretProjection{
LocalObjectReference: corev1.LocalObjectReference{
Name: grpcClientCertsSecretName,
},
Items: []corev1.KeyToPath{{Key: "ca.crt", Path: "ca.crt"}}, // trust clients using kedaorg-certs cert
},
},
},
},
},
}
volumes := deploy.Spec.Template.Spec.Volumes
certificatesVolumeFound := false
for i := range volumes {
if volumes[i].Name == "certificates" {
volumes[i] = certificatesVolume
certificatesVolumeFound = true
}
}
if !certificatesVolumeFound {
deploy.Spec.Template.Spec.Volumes = append(deploy.Spec.Template.Spec.Volumes, certificatesVolume)
}
containers := deploy.Spec.Template.Spec.Containers
for i := range containers {
if containers[i].Name == containerNameAdmissionWebhooks {
// mount Volume referencing certs in Secrets
certificatesVolumeMount := corev1.VolumeMount{
Name: "certificates",
MountPath: "/certs",
ReadOnly: true,
}
volumeMounts := containers[i].VolumeMounts
certificatesVolumeMountFound := false
for j := range volumeMounts {
if volumeMounts[j].Name == "certificates" {
volumeMounts[j] = certificatesVolumeMount
certificatesVolumeMountFound = true
}
}
if !certificatesVolumeMountFound {
containers[i].VolumeMounts = append(containers[i].VolumeMounts, certificatesVolumeMount)
}
break
}
}
if err := scheme.Convert(deploy, u, nil); err != nil {
return err
}
}
return nil
}
}
func AdmissionWebhooksEnsureCertificatesVolume(configMapName, secretName string, scheme *runtime.Scheme) mf.Transformer {
return func(u *unstructured.Unstructured) error {
if u.GetKind() == "Deployment" {
deploy := &appsv1.Deployment{}
if err := scheme.Convert(u, deploy, nil); err != nil {
return err
}
certificatesVolume := corev1.Volume{
Name: "certificates",
VolumeSource: corev1.VolumeSource{
Projected: &corev1.ProjectedVolumeSource{
Sources: []corev1.VolumeProjection{
{
Secret: &corev1.SecretProjection{
LocalObjectReference: corev1.LocalObjectReference{
Name: secretName,
},
},
},
{
ConfigMap: &corev1.ConfigMapProjection{
LocalObjectReference: corev1.LocalObjectReference{
Name: configMapName,
},
Items: []corev1.KeyToPath{{Key: "service-ca.crt", Path: "ca.crt"}},
},
},
},
},
},
}
volumes := deploy.Spec.Template.Spec.Volumes
certificatesVolumeFound := false
for i := range volumes {
if volumes[i].Name == "certificates" {
volumes[i] = certificatesVolume
certificatesVolumeFound = true
}
}
if !certificatesVolumeFound {
deploy.Spec.Template.Spec.Volumes = append(deploy.Spec.Template.Spec.Volumes, certificatesVolume)
}
containers := deploy.Spec.Template.Spec.Containers
for i := range containers {
if containers[i].Name == containerNameAdmissionWebhooks {
// mount Volume referencing certs in ConfigMap and Secret
certificatesVolumeMount := corev1.VolumeMount{
Name: "certificates",
MountPath: "/certs",
ReadOnly: true,
}
volumeMounts := containers[i].VolumeMounts
certificatesVolumeMountFound := false
for j := range volumeMounts {
if volumeMounts[j].Name == "certificates" {
volumeMounts[j] = certificatesVolumeMount
certificatesVolumeMountFound = true
}
}
if !certificatesVolumeMountFound {
containers[i].VolumeMounts = append(containers[i].VolumeMounts, certificatesVolumeMount)
}
break
}
}
if err := scheme.Convert(deploy, u, nil); err != nil {
return err
}
}
return nil
}
}
func ensureCertificatesVolumeForDeployment(containerName, configMapName, secretName string, scheme *runtime.Scheme) mf.Transformer {
return func(u *unstructured.Unstructured) error {
if u.GetKind() == "Deployment" {
deploy := &appsv1.Deployment{}
if err := scheme.Convert(u, deploy, nil); err != nil {
return err
}
// add Volumes referencing certs in ConfigMap and Secret
var cabundleVolume corev1.Volume
if containerName == containerNameKedaOperator {
cabundleVolume = corev1.Volume{
Name: "cabundle",
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: configMapName,
},
},
},
}
}
certificatesVolume := corev1.Volume{
Name: "certificates",
VolumeSource: corev1.VolumeSource{
Projected: &corev1.ProjectedVolumeSource{
Sources: []corev1.VolumeProjection{
{
Secret: &corev1.SecretProjection{
LocalObjectReference: corev1.LocalObjectReference{
Name: "kedaorg-certs",
},
Items: []corev1.KeyToPath{
{Key: "tls.crt", Path: "tls.crt"}, // use the generated gRPC client cert
{Key: "tls.key", Path: "tls.key"},
},
},
},
{
Secret: &corev1.SecretProjection{
LocalObjectReference: corev1.LocalObjectReference{
Name: secretName,
},
Items: []corev1.KeyToPath{
{Key: "tls.crt", Path: "ocp-tls.crt"},
{Key: "tls.key", Path: "ocp-tls.key"},
},
},
},
{
ConfigMap: &corev1.ConfigMapProjection{
LocalObjectReference: corev1.LocalObjectReference{
Name: configMapName,
},
Items: []corev1.KeyToPath{{Key: "service-ca.crt", Path: "ca.crt"}}, // trust openshift-generated service certs
},
},
},
},
},
}
volumes := deploy.Spec.Template.Spec.Volumes
cabundleVolumeFound := false
certificatesVolumeFound := false
for i := range volumes {
if containerName == containerNameKedaOperator {
if volumes[i].Name == "cabundle" {
volumes[i] = cabundleVolume
cabundleVolumeFound = true
}
}
if volumes[i].Name == "certificates" {
volumes[i] = certificatesVolume
certificatesVolumeFound = true
}
}
if containerName == containerNameKedaOperator && !cabundleVolumeFound {
deploy.Spec.Template.Spec.Volumes = append(deploy.Spec.Template.Spec.Volumes, cabundleVolume)
}
if !certificatesVolumeFound {
deploy.Spec.Template.Spec.Volumes = append(deploy.Spec.Template.Spec.Volumes, certificatesVolume)
}
containers := deploy.Spec.Template.Spec.Containers
for i := range containers {
if containers[i].Name == containerName {
var cabundleVolumeMount corev1.VolumeMount
if containerName == containerNameKedaOperator {
cabundleVolumeMount = corev1.VolumeMount{
Name: "cabundle",
MountPath: "/custom/ca",
}
}
// mount Volume referencing certs in ConfigMap and Secret
certificatesVolumeMount := corev1.VolumeMount{
Name: "certificates",
MountPath: "/certs",
ReadOnly: true,
}
volumeMounts := containers[i].VolumeMounts
cabundleVolumeMountFound := false
certificatesVolumeMountFound := false
for j := range volumeMounts {
// add custom CA to Operator
if containerName == containerNameKedaOperator {
if volumeMounts[j].Name == "cabundle" {
volumeMounts[j] = cabundleVolumeMount
cabundleVolumeMountFound = true
}
}
if volumeMounts[j].Name == "certificates" {
volumeMounts[j] = certificatesVolumeMount
certificatesVolumeMountFound = true
}
}
if containerName == containerNameKedaOperator && !cabundleVolumeMountFound {
containers[i].VolumeMounts = append(containers[i].VolumeMounts, cabundleVolumeMount)
}
if !certificatesVolumeMountFound {
containers[i].VolumeMounts = append(containers[i].VolumeMounts, certificatesVolumeMount)
}
break
}
}
if err := scheme.Convert(deploy, u, nil); err != nil {
return err
}
}
return nil
}
}
//nolint:dupl
func EnsureOpenshiftCABundleForOperatorDeployment(configMapName string, scheme *runtime.Scheme) mf.Transformer {
return func(u *unstructured.Unstructured) error {
if u.GetKind() == "Deployment" {
deploy := &appsv1.Deployment{}
if err := scheme.Convert(u, deploy, nil); err != nil {
return err
}
// add Volumes referencing certs in ConfigMap
cabundleVolume := corev1.Volume{
Name: "cabundle",
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: configMapName,
},
},
},
}
volumes := deploy.Spec.Template.Spec.Volumes
cabundleVolumeFound := false
for i := range volumes {
if volumes[i].Name == "cabundle" {
volumes[i] = cabundleVolume
cabundleVolumeFound = true
}
}
if !cabundleVolumeFound {
deploy.Spec.Template.Spec.Volumes = append(deploy.Spec.Template.Spec.Volumes, cabundleVolume)
}
containers := deploy.Spec.Template.Spec.Containers
for i := range containers {
if containers[i].Name == containerNameKedaOperator {
// mount Volumes referencing certs in ConfigMap
cabundleVolumeMount := corev1.VolumeMount{
Name: "cabundle",
MountPath: "/custom/ca",
}
volumeMounts := containers[i].VolumeMounts
cabundleVolumeMountFound := false
for j := range volumeMounts {
if volumeMounts[j].Name == "cabundle" {
volumeMounts[j] = cabundleVolumeMount
cabundleVolumeMountFound = true
}
}
if !cabundleVolumeMountFound {
containers[i].VolumeMounts = append(containers[i].VolumeMounts, cabundleVolumeMount)
}
break
}
}
if err := scheme.Convert(deploy, u, nil); err != nil {
return err
}
}
return nil
}
}
func EnsurePathsToCertsInDeployment(values []string, prefixes []Prefix, scheme *runtime.Scheme, logger logr.Logger) []mf.Transformer {
transforms := []mf.Transformer{}
for i := range values {
transforms = append(transforms, replaceContainerArg(values[i], prefixes[i], containerNameMetricsServer, scheme, logger))
}
return transforms
}
//nolint:dupl
func EnsureAuditPolicyConfigMapMountsVolume(configMapName string, scheme *runtime.Scheme) mf.Transformer {
return func(u *unstructured.Unstructured) error {
if u.GetKind() == "Deployment" {
deploy := &appsv1.Deployment{}
if err := scheme.Convert(u, deploy, nil); err != nil {
return err
}
policyVolume := corev1.Volume{
Name: "audit-policy",
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: configMapName,
},
},
},
}
volumes := deploy.Spec.Template.Spec.Volumes
policyVolumeFound := false
for i := range volumes {
if volumes[i].Name == "audit-policy" {
volumes[i] = policyVolume
policyVolumeFound = true
}
}
// add Volume to deployment if not found
if !policyVolumeFound {
deploy.Spec.Template.Spec.Volumes = append(deploy.Spec.Template.Spec.Volumes, policyVolume)
}
containers := deploy.Spec.Template.Spec.Containers
for i := range containers {
if containers[i].Name == containerNameMetricsServer {
policyVolumeMount := corev1.VolumeMount{
Name: "audit-policy",
MountPath: "/var/audit-policy",
}
volumeMounts := containers[i].VolumeMounts
policyVolumeMountFound := false
for j := range volumeMounts {
if volumeMounts[j].Name == "audit-policy" {
volumeMounts[j] = policyVolumeMount
policyVolumeMountFound = true
}
}
// add VolumeMount to deployment if not found
if !policyVolumeMountFound {
containers[i].VolumeMounts = append(containers[i].VolumeMounts, policyVolumeMount)
}
break
}
}
if err := scheme.Convert(deploy, u, nil); err != nil {
return err
}
}
return nil
}
}
func ReplaceKedaOperatorLogLevel(logLevel string, scheme *runtime.Scheme, logger logr.Logger) mf.Transformer {
found := false
for _, level := range logLevels {
if logLevel == level {
found = true
}
}
if !found {
if _, err := strconv.ParseUint(logLevel, 10, 64); err == nil {
found = true
}
}
if !found {
logger.Info("Ignoring speficied Log level for KEDA Operator, it needs to be set to ", strings.Join(logLevels, ", "), "or an integer value greater than 0")
return func(u *unstructured.Unstructured) error {
return nil
}
}
prefix := LogLevelArg
return replaceContainerArg(logLevel, prefix, containerNameKedaOperator, scheme, logger)
}
func ReplaceKedaOperatorLogEncoder(logEncoder string, scheme *runtime.Scheme, logger logr.Logger) mf.Transformer {
found := false
for _, format := range logEncoders {
if logEncoder == format {
found = true
break
}
}
if !found {
logger.Info("Ignoring speficied Log encoder for KEDA Operator", "specified", logEncoder, "allowed values", strings.Join(logEncoders, ", "))
return func(u *unstructured.Unstructured) error {
return nil
}
}
prefix := LogEncoderArg
return replaceContainerArg(logEncoder, prefix, containerNameKedaOperator, scheme, logger)
}
func ReplaceMetricsServerLogLevel(logLevel string, scheme *runtime.Scheme, logger logr.Logger) mf.Transformer {
found := false
if _, err := strconv.ParseUint(logLevel, 10, 64); err == nil {
found = true
}
if !found {
logger.Info("Ignoring speficied Log level for KEDA Metrics Server, it needs to be set to an integer value greater than 0")
return func(u *unstructured.Unstructured) error {
return nil
}
}
prefix := LogLevelMetricsServer
return replaceContainerArg(logLevel, prefix, containerNameMetricsServer, scheme, logger)
}
func ReplaceKedaOperatorLogTimeEncoding(logTimeEncoding string, scheme *runtime.Scheme, logger logr.Logger) mf.Transformer {
found := false
for _, timeEncoding := range logTimeEncodings {
if logTimeEncoding == timeEncoding {
found = true
break
}
}
if !found {
logger.Info("Ignoring speficied Log time encoding for KEDA Operator", "specified", logTimeEncoding, "allowed values", strings.Join(logTimeEncodings, ", "))
return func(u *unstructured.Unstructured) error {
return nil
}
}
prefix := LogTimeEncodingArg
return replaceContainerArg(logTimeEncoding, prefix, containerNameKedaOperator, scheme, logger)
}
func ReplaceAdmissionWebhooksLogLevel(logLevel string, scheme *runtime.Scheme, logger logr.Logger) mf.Transformer {
found := false
for _, level := range logLevels {
if logLevel == level {
found = true
}
}
if !found {
if _, err := strconv.ParseUint(logLevel, 10, 64); err == nil {
found = true
}
}
if !found {
logger.Info("Ignoring speficied Log level for KEDA Admission Webhooks, it needs to be set to ", strings.Join(logLevels, ", "), "or an integer value greater than 0")
return func(u *unstructured.Unstructured) error {
return nil
}
}
prefix := LogLevelArg
return replaceContainerArg(logLevel, prefix, containerNameAdmissionWebhooks, scheme, logger)
}
func ReplaceAdmissionWebhooksLogEncoder(logEncoder string, scheme *runtime.Scheme, logger logr.Logger) mf.Transformer {
found := false
for _, format := range logEncoders {
if logEncoder == format {
found = true
break
}
}
if !found {
logger.Info("Ignoring speficied Log encoder for KEDA Admission Webhooks", "specified", logEncoder, "allowed values", strings.Join(logEncoders, ", "))
return func(u *unstructured.Unstructured) error {
return nil
}
}
prefix := LogEncoderArg
return replaceContainerArg(logEncoder, prefix, containerNameAdmissionWebhooks, scheme, logger)
}
func ReplaceAdmissionWebhooksLogTimeEncoding(logTimeEncoding string, scheme *runtime.Scheme, logger logr.Logger) mf.Transformer {
found := false
for _, timeEncoding := range logTimeEncodings {
if logTimeEncoding == timeEncoding {
found = true
break
}
}
if !found {
logger.Info("Ignoring speficied Log time encoding for KEDA Admission Webhooks", "specified", logTimeEncoding, "allowed values", strings.Join(logTimeEncodings, ", "))
return func(u *unstructured.Unstructured) error {
return nil
}
}
prefix := LogTimeEncodingArg
return replaceContainerArg(logTimeEncoding, prefix, containerNameAdmissionWebhooks, scheme, logger)
}
func ReplaceArbitraryArg(argument string, resource string, scheme *runtime.Scheme, logger logr.Logger) mf.Transformer {
prefix := Prefix("")
prefixStr := ""
argTrue := ""
if strings.Contains(argument, "=") {
// if argument is in format --arg=value or arg=value
stringSplit := strings.SplitAfter(argument, "=")
if !strings.HasPrefix(stringSplit[0], "--") {
// add "--" at the beginning of argument prefix if not given
prefixStr = "--" + stringSplit[0]
} else {
prefixStr = stringSplit[0]
}
prefix = Prefix(prefixStr)
argTrue = stringSplit[1]
} else {
// if argument is just value like '/usr/local/bin/keda-adapter' (has no "=" therefore no prefix)
argTrue = argument
}
switch resource {
case "operator":
return replaceContainerArg(argTrue, prefix, containerNameKedaOperator, scheme, logger)
case "metricsserver":
return replaceContainerArg(argTrue, prefix, containerNameMetricsServer, scheme, logger)
case "admissionwebhooks":
return replaceContainerArg(argTrue, prefix, containerNameAdmissionWebhooks, scheme, logger)
default:
return func(u *unstructured.Unstructured) error {
return nil
}
}
}
func SetOperatorCertRotation(enable bool, scheme *runtime.Scheme, logger logr.Logger) mf.Transformer {
arg := "false"
if enable {
arg = "true"
}
return replaceContainerArg(arg, CertRotation, containerNameKedaOperator, scheme, logger)
}
func ReplaceAuditConfig(argument string, selector string, scheme *runtime.Scheme, logger logr.Logger) mf.Transformer {
var prefix string
switch selector {
case "policyfile":
prefix = "--audit-policy-file="
case "logformat":
prefix = "--audit-log-format="
case "logpath":
prefix = "--audit-log-path="
case "maxage":
prefix = "--audit-log-maxage="
case "maxbackup":
prefix = "--audit-log-maxbackup="
case "maxsize":
prefix = "--audit-log-maxsize="
default:
return func(u *unstructured.Unstructured) error {
return nil
}
}
return replaceContainerArg(argument, Prefix(prefix), containerNameMetricsServer, scheme, logger)
}
func replaceContainerArg(value string, prefix Prefix, containerName string, scheme *runtime.Scheme, logger logr.Logger) mf.Transformer {
return func(u *unstructured.Unstructured) error {
changed := false
if u.GetKind() == "Deployment" {
deploy := &appsv1.Deployment{}
if err := scheme.Convert(u, deploy, nil); err != nil {
return err
}
containers := deploy.Spec.Template.Spec.Containers
for i, container := range containers {
if container.Name == containerName {
argFound := false
for j, arg := range container.Args {
if strings.HasPrefix(arg, prefix.String()) {
// If argument has no prefix...
if prefix == "" {
// and is the same -> dont add it again (change argFound=true)...
if arg == value {
argFound = true
break
}
// otherwise continue
continue
}
argFound = true
if trimmedArg := strings.TrimPrefix(arg, prefix.String()); trimmedArg != value {
logger.Info("Replacing", "deployment", container.Name, "prefix", prefix.String(), "value", value, "previous", trimmedArg)
containers[i].Args[j] = prefix.String() + value
changed = true
}
break
}
}
if !argFound {
logger.Info("Adding", "deployment", container.Name, "prefix", prefix.String(), "value", value)
containers[i].Args = append(containers[i].Args, prefix.String()+value)
changed = true
}
break
}
}
if changed {
if err := scheme.Convert(deploy, u, nil); err != nil {
return err
}
}
}
return nil
}
}
func AddServiceAccountAnnotations(annotations map[string]string, scheme *runtime.Scheme) mf.Transformer {
return func(u *unstructured.Unstructured) error {
if u.GetKind() == "ServiceAccount" {
sa := &corev1.ServiceAccount{}
if err := scheme.Convert(u, sa, nil); err != nil {
return err
}
sa.Annotations = updateMap(sa.Annotations, annotations)
return scheme.Convert(sa, u, nil)
}
return nil
}
}
func AddServiceAccountLabels(labels map[string]string, scheme *runtime.Scheme) mf.Transformer {
return func(u *unstructured.Unstructured) error {
if u.GetKind() == "ServiceAccount" {
sa := &corev1.ServiceAccount{}
if err := scheme.Convert(u, sa, nil); err != nil {
return err
}
sa.Labels = updateMap(sa.Labels, labels)
return scheme.Convert(sa, u, nil)
}
return nil
}
}
func AddPodAnnotations(annotations map[string]string, scheme *runtime.Scheme) mf.Transformer {
return func(u *unstructured.Unstructured) error {
if u.GetKind() == "Deployment" {
deploy := &appsv1.Deployment{}
if err := scheme.Convert(u, deploy, nil); err != nil {
return err
}
deploy.Spec.Template.Annotations = updateMap(deploy.Spec.Template.Annotations, annotations)
return scheme.Convert(deploy, u, nil)
}
return nil
}
}
func AddPodLabels(labels map[string]string, scheme *runtime.Scheme) mf.Transformer {
return func(u *unstructured.Unstructured) error {
if u.GetKind() == "Deployment" {
deploy := &appsv1.Deployment{}
if err := scheme.Convert(u, deploy, nil); err != nil {
return err
}
deploy.Spec.Template.ObjectMeta.Labels = updateMap(deploy.Spec.Template.ObjectMeta.Labels, labels)
return scheme.Convert(deploy, u, nil)
}
return nil
}