/
keycloak.go
1492 lines (1329 loc) · 44.3 KB
/
keycloak.go
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// Copyright 2021 ArgoCD Operator Developers
// Copyright 2021 ArgoCD Operator Developers
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package argocd
import (
"context"
b64 "encoding/base64"
json "encoding/json"
"fmt"
"os"
argoproj "github.com/argoproj-labs/argocd-operator/api/v1beta1"
"github.com/argoproj-labs/argocd-operator/common"
"github.com/argoproj-labs/argocd-operator/controllers/argoutil"
appsv1 "github.com/openshift/api/apps/v1"
oappsv1 "github.com/openshift/api/apps/v1"
oauthv1 "github.com/openshift/api/oauth/v1"
routev1 "github.com/openshift/api/route/v1"
template "github.com/openshift/api/template/v1"
oappsv1client "github.com/openshift/client-go/apps/clientset/versioned/typed/apps/v1"
oauthclient "github.com/openshift/client-go/oauth/clientset/versioned/typed/oauth/v1"
templatev1client "github.com/openshift/client-go/template/clientset/versioned/typed/template/v1"
"gopkg.in/yaml.v2"
k8sappsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
networkingv1 "k8s.io/api/networking/v1"
"k8s.io/apimachinery/pkg/api/errors"
resourcev1 "k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/util/retry"
"sigs.k8s.io/controller-runtime/pkg/client/config"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
)
const (
// SuccessResonse is returned when a realm is created in keycloak.
successResponse = "201 Created"
// ExpectedReplicas is used to identify the keycloak running status.
expectedReplicas int32 = 1
// ServingCertSecretName is a secret that holds the service certificate.
servingCertSecretName = "sso-x509-https-secret"
// Authentication api path for keycloak.
authURL = "/auth/realms/master/protocol/openid-connect/token"
// Realm api path for keycloak.
realmURL = "/auth/admin/realms"
// Keycloak client for Argo CD.
keycloakClient = "argocd"
// Keycloak realm for Argo CD.
keycloakRealm = "argocd"
// Identifier for Keycloak.
defaultKeycloakIdentifier = "keycloak"
// Identifier for TemplateInstance and Template.
defaultTemplateIdentifier = "rhsso"
// Default name for Keycloak broker.
defaultKeycloakBrokerName = "keycloak-broker"
// Default Keycloak Instance Admin user.
defaultKeycloakAdminUser = "admin"
// Default Keycloak Instance Admin password.
defaultKeycloakAdminPassword = "admin"
// Default Hostname for Keycloak Ingress.
keycloakIngressHost = "keycloak-ingress"
)
var (
// client secret for keycloak, argocd and openshift-v4 IdP.
oAuthClientSecret = generateRandomString(8)
graceTime int64 = 75
portTLS int32 = 8443
httpPort int32 = 8080
controllerRef bool = true
)
// getKeycloakContainerImage will return the container image for the Keycloak.
//
// There are three possible options for configuring the image, and this is the
// order of preference.
//
// 1. from the Spec, the spec.sso.keycloak field has an image and version to use for
// generating an image reference.
// 2. From the Environment, this looks for the `ARGOCD_KEYCLOAK_IMAGE` field and uses
// that if the spec is not configured.
// 3. the default is configured in common.ArgoCDKeycloakVersion and
// common.ArgoCDKeycloakImageName.
func getKeycloakContainerImage(cr *argoproj.ArgoCD) string {
defaultImg, defaultTag := false, false
img := ""
tag := ""
if cr.Spec.SSO.Keycloak != nil && cr.Spec.SSO.Keycloak.Image != "" {
img = cr.Spec.SSO.Keycloak.Image
}
if img == "" {
img = common.ArgoCDKeycloakImage
if IsTemplateAPIAvailable() {
img = common.ArgoCDKeycloakImageForOpenShift
}
defaultImg = true
}
if cr.Spec.SSO.Keycloak != nil && cr.Spec.SSO.Keycloak.Version != "" {
tag = cr.Spec.SSO.Keycloak.Version
}
if tag == "" {
tag = common.ArgoCDKeycloakVersion
if IsTemplateAPIAvailable() {
tag = common.ArgoCDKeycloakVersionForOpenShift
}
defaultTag = true
}
if e := os.Getenv(common.ArgoCDKeycloakImageEnvName); e != "" && (defaultTag && defaultImg) {
return e
}
return argoutil.CombineImageTag(img, tag)
}
func getKeycloakConfigMapTemplate(ns string) *corev1.ConfigMap {
return &corev1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Annotations: map[string]string{
"description": "ConfigMap providing service ca bundle",
"service.beta.openshift.io/inject-cabundle": "true",
},
Labels: map[string]string{
"application": "${APPLICATION_NAME}",
},
Name: "${APPLICATION_NAME}-service-ca",
Namespace: ns,
},
TypeMeta: metav1.TypeMeta{APIVersion: "v1", Kind: "ConfigMap"},
}
}
func getKeycloakSecretTemplate(ns string) *corev1.Secret {
return &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
"application": "${APPLICATION_NAME}",
},
Name: "${APPLICATION_NAME}-secret",
Namespace: ns,
},
TypeMeta: metav1.TypeMeta{APIVersion: "v1", Kind: "Secret"},
StringData: map[string]string{
"SSO_USERNAME": "${SSO_ADMIN_USERNAME}",
"SSO_PASSWORD": "${SSO_ADMIN_PASSWORD}",
},
}
}
// defaultKeycloakResources for Keycloak container.
func defaultKeycloakResources() corev1.ResourceRequirements {
return corev1.ResourceRequirements{
Requests: corev1.ResourceList{
corev1.ResourceMemory: resourcev1.MustParse("512Mi"),
corev1.ResourceCPU: resourcev1.MustParse("500m"),
},
Limits: corev1.ResourceList{
corev1.ResourceMemory: resourcev1.MustParse("1024Mi"),
corev1.ResourceCPU: resourcev1.MustParse("1000m"),
},
}
}
// getKeycloakResources will return the ResourceRequirements for the Keycloak container.
func getKeycloakResources(cr *argoproj.ArgoCD) corev1.ResourceRequirements {
// Default values for Keycloak resources requirements.
resources := defaultKeycloakResources()
// Allow override of resource requirements from CR
if cr.Spec.SSO.Keycloak != nil && cr.Spec.SSO.Keycloak.Resources != nil {
resources = *cr.Spec.SSO.Keycloak.Resources
}
return resources
}
func getKeycloakContainer(cr *argoproj.ArgoCD) corev1.Container {
envVars := []corev1.EnvVar{
{Name: "SSO_HOSTNAME", Value: "${SSO_HOSTNAME}"},
{Name: "DB_MIN_POOL_SIZE", Value: "${DB_MIN_POOL_SIZE}"},
{Name: "DB_MAX_POOL_SIZE", Value: "${DB_MAX_POOL_SIZE}"},
{Name: "DB_TX_ISOLATION", Value: "${DB_TX_ISOLATION}"},
{Name: "OPENSHIFT_DNS_PING_SERVICE_NAME", Value: "${APPLICATION_NAME}-ping"},
{Name: "OPENSHIFT_DNS_PING_SERVICE_PORT", Value: "8888"},
{Name: "X509_CA_BUNDLE", Value: "/var/run/configmaps/service-ca/service-ca.crt /var/run/secrets/kubernetes.io/serviceaccount/*.crt"},
{Name: "SSO_ADMIN_USERNAME", Value: "${SSO_ADMIN_USERNAME}"},
{Name: "SSO_ADMIN_PASSWORD", Value: "${SSO_ADMIN_PASSWORD}"},
{Name: "SSO_REALM", Value: "${SSO_REALM}"},
{Name: "SSO_SERVICE_USERNAME", Value: "${SSO_SERVICE_USERNAME}"},
{Name: "SSO_SERVICE_PASSWORD", Value: "${SSO_SERVICE_PASSWORD}"},
}
return corev1.Container{
Env: proxyEnvVars(envVars...),
Image: getKeycloakContainerImage(cr),
ImagePullPolicy: "Always",
LivenessProbe: &corev1.Probe{
TimeoutSeconds: 240,
ProbeHandler: corev1.ProbeHandler{
Exec: &corev1.ExecAction{
Command: []string{
"/bin/bash",
"-c",
"/opt/eap/bin/livenessProbe.sh",
},
},
},
InitialDelaySeconds: 120,
},
Name: "${APPLICATION_NAME}",
Ports: []corev1.ContainerPort{
{ContainerPort: 8778, Name: "jolokia", Protocol: "TCP"},
{ContainerPort: 8080, Name: "http", Protocol: "TCP"},
{ContainerPort: 8443, Name: "https", Protocol: "TCP"},
{ContainerPort: 8888, Name: "ping", Protocol: "TCP"},
},
ReadinessProbe: &corev1.Probe{
TimeoutSeconds: 240,
InitialDelaySeconds: 120,
ProbeHandler: corev1.ProbeHandler{
Exec: &corev1.ExecAction{
Command: []string{
"/bin/bash",
"-c",
"/opt/eap/bin/readinessProbe.sh",
},
},
},
},
Resources: getKeycloakResources(cr),
VolumeMounts: []corev1.VolumeMount{
{
MountPath: "/etc/x509/https",
Name: "sso-x509-https-volume",
ReadOnly: true,
},
{
MountPath: "/var/run/configmaps/service-ca",
Name: "service-ca",
ReadOnly: true,
},
{
Name: "sso-probe-netrc-volume",
MountPath: "/mnt/rh-sso",
ReadOnly: false,
},
},
}
}
func getKeycloakDeploymentConfigTemplate(cr *argoproj.ArgoCD) *appsv1.DeploymentConfig {
ns := cr.Namespace
var medium corev1.StorageMedium = "Memory"
keycloakContainer := getKeycloakContainer(cr)
dc := &appsv1.DeploymentConfig{
ObjectMeta: metav1.ObjectMeta{
Annotations: map[string]string{
"argocd.argoproj.io/realm-created": "false",
},
Labels: map[string]string{"application": "${APPLICATION_NAME}"},
Name: "${APPLICATION_NAME}",
Namespace: ns,
OwnerReferences: []metav1.OwnerReference{
{
APIVersion: "argoproj.io/v1alpha1",
UID: cr.UID,
Name: cr.Name,
Controller: &controllerRef,
Kind: "ArgoCD",
},
},
},
TypeMeta: metav1.TypeMeta{APIVersion: "v1", Kind: "DeploymentConfig"},
Spec: appsv1.DeploymentConfigSpec{
Replicas: 1,
Selector: map[string]string{"deploymentConfig": "${APPLICATION_NAME}"},
Strategy: appsv1.DeploymentStrategy{
Type: "Recreate",
Resources: corev1.ResourceRequirements{
Requests: corev1.ResourceList{
corev1.ResourceMemory: resourcev1.MustParse("256Mi"),
corev1.ResourceCPU: resourcev1.MustParse("250m"),
},
Limits: corev1.ResourceList{
corev1.ResourceMemory: resourcev1.MustParse("512Mi"),
corev1.ResourceCPU: resourcev1.MustParse("500m"),
},
},
},
Template: &corev1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
"application": "${APPLICATION_NAME}",
"deploymentConfig": "${APPLICATION_NAME}",
},
Name: "${APPLICATION_NAME}",
},
Spec: corev1.PodSpec{
Containers: []corev1.Container{
keycloakContainer,
},
TerminationGracePeriodSeconds: &graceTime,
Volumes: []corev1.Volume{
{
Name: "sso-x509-https-volume",
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: servingCertSecretName,
},
},
},
{
Name: "service-ca",
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: "${APPLICATION_NAME}-service-ca",
},
},
},
},
{
Name: "sso-probe-netrc-volume",
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{
Medium: medium,
},
},
},
},
NodeSelector: common.DefaultNodeSelector(),
},
},
Triggers: appsv1.DeploymentTriggerPolicies{
appsv1.DeploymentTriggerPolicy{
Type: "ConfigChange",
},
},
},
}
if cr.Spec.NodePlacement != nil {
dc.Spec.Template.Spec.NodeSelector = argoutil.AppendStringMap(dc.Spec.Template.Spec.NodeSelector, cr.Spec.NodePlacement.NodeSelector)
dc.Spec.Template.Spec.Tolerations = cr.Spec.NodePlacement.Tolerations
}
return dc
}
func getKeycloakServiceTemplate(ns string) *corev1.Service {
return &corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{"application": "${APPLICATION_NAME}"},
Name: "${APPLICATION_NAME}",
Namespace: ns,
Annotations: map[string]string{
"description": "The web server's https port",
"service.alpha.openshift.io/serving-cert-secret-name": servingCertSecretName,
},
},
TypeMeta: metav1.TypeMeta{APIVersion: "v1", Kind: "Service"},
Spec: corev1.ServiceSpec{
Ports: []corev1.ServicePort{
{Port: portTLS, TargetPort: intstr.FromInt(int(portTLS))},
},
Selector: map[string]string{
"deploymentConfig": "${APPLICATION_NAME}",
},
},
}
}
func getKeycloakRouteTemplate(ns string) *routev1.Route {
return &routev1.Route{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{"application": "${APPLICATION_NAME}"},
Name: "${APPLICATION_NAME}",
Namespace: ns,
Annotations: map[string]string{"description": "Route for application's https service"},
},
TypeMeta: metav1.TypeMeta{APIVersion: "v1", Kind: "Route"},
Spec: routev1.RouteSpec{
TLS: &routev1.TLSConfig{
Termination: "reencrypt",
},
To: routev1.RouteTargetReference{
Name: "${APPLICATION_NAME}",
},
},
}
}
func newKeycloakTemplateInstance(cr *argoproj.ArgoCD) (*template.TemplateInstance, error) {
tpl, err := newKeycloakTemplate(cr)
if err != nil {
return nil, err
}
return &template.TemplateInstance{
ObjectMeta: metav1.ObjectMeta{
Name: defaultTemplateIdentifier,
Namespace: cr.Namespace,
},
Spec: template.TemplateInstanceSpec{
Template: tpl,
},
}, nil
}
func newKeycloakTemplate(cr *argoproj.ArgoCD) (template.Template, error) {
ns := cr.Namespace
tmpl := template.Template{}
configMapTemplate := getKeycloakConfigMapTemplate(ns)
secretTemplate := getKeycloakSecretTemplate(ns)
deploymentConfigTemplate := getKeycloakDeploymentConfigTemplate(cr)
serviceTemplate := getKeycloakServiceTemplate(ns)
routeTemplate := getKeycloakRouteTemplate(ns)
configMap, err := json.Marshal(configMapTemplate)
if err != nil {
return tmpl, err
}
secret, err := json.Marshal(secretTemplate)
if err != nil {
return tmpl, err
}
deploymentConfig, err := json.Marshal(deploymentConfigTemplate)
if err != nil {
return tmpl, err
}
service, err := json.Marshal(serviceTemplate)
if err != nil {
return tmpl, err
}
route, err := json.Marshal(routeTemplate)
if err != nil {
return tmpl, err
}
tmpl = template.Template{
ObjectMeta: metav1.ObjectMeta{
Annotations: map[string]string{
"description": "RH-SSO Template for Installing keycloak",
"iconClass": "icon-sso",
"openshift.io/display-name": "Keycloak",
"tags": "keycloak",
"version": "9.0.4-SNAPSHOT",
},
Name: defaultTemplateIdentifier,
Namespace: ns,
},
Objects: []runtime.RawExtension{
{
Raw: json.RawMessage(configMap),
},
{
Raw: json.RawMessage(secret),
},
{
Raw: json.RawMessage(deploymentConfig),
},
{
Raw: json.RawMessage(service),
},
{
Raw: json.RawMessage(route),
},
},
Parameters: []template.Parameter{
{Name: "APPLICATION_NAME", Value: "keycloak", Required: true},
{Name: "SSO_HOSTNAME"},
{Name: "DB_MIN_POOL_SIZE"},
{Name: "DB_MAX_POOL_SIZE"},
{Name: "DB_TX_ISOLATION"},
{Name: "IMAGE_STREAM_NAMESPACE", Value: "openshift", Required: true},
{Name: "SSO_ADMIN_USERNAME", Generate: "expression", From: "[a-zA-Z0-9]{8}", Required: true},
{Name: "SSO_ADMIN_PASSWORD", Generate: "expression", From: "[a-zA-Z0-9]{8}", Required: true},
{Name: "SSO_REALM", DisplayName: "RH-SSO Realm"},
{Name: "SSO_SERVICE_USERNAME", DisplayName: "RH-SSO Service Username"},
{Name: "SSO_SERVICE_PASSWORD", DisplayName: "RH-SSO Service Password"},
{Name: "MEMORY_LIMIT", Value: "1Gi"},
},
}
return tmpl, err
}
func newKeycloakIngress(cr *argoproj.ArgoCD) *networkingv1.Ingress {
pathType := networkingv1.PathTypeImplementationSpecific
// Add default annotations
atns := make(map[string]string)
atns[common.ArgoCDKeyIngressSSLRedirect] = "true"
atns[common.ArgoCDKeyIngressBackendProtocol] = "HTTP"
return &networkingv1.Ingress{
ObjectMeta: metav1.ObjectMeta{
Annotations: atns,
Name: defaultKeycloakIdentifier,
Namespace: cr.Namespace,
},
Spec: networkingv1.IngressSpec{
TLS: []networkingv1.IngressTLS{
{
Hosts: []string{keycloakIngressHost},
},
},
Rules: []networkingv1.IngressRule{
{
Host: keycloakIngressHost,
IngressRuleValue: networkingv1.IngressRuleValue{
HTTP: &networkingv1.HTTPIngressRuleValue{
Paths: []networkingv1.HTTPIngressPath{
{
Path: "/",
Backend: networkingv1.IngressBackend{
Service: &networkingv1.IngressServiceBackend{
Name: defaultKeycloakIdentifier,
Port: networkingv1.ServiceBackendPort{
Name: "http",
},
},
},
PathType: &pathType,
},
},
},
},
},
},
},
}
}
func newKeycloakService(cr *argoproj.ArgoCD) *corev1.Service {
return &corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: defaultKeycloakIdentifier,
Namespace: cr.Namespace,
Labels: map[string]string{
"app": defaultKeycloakIdentifier,
},
},
Spec: corev1.ServiceSpec{
Ports: []corev1.ServicePort{
{Name: "http", Port: httpPort, TargetPort: intstr.FromInt(int(httpPort))},
},
Selector: map[string]string{
"app": defaultKeycloakIdentifier,
},
Type: "LoadBalancer",
},
}
}
func getKeycloakContainerEnv() []corev1.EnvVar {
return []corev1.EnvVar{
{Name: "KEYCLOAK_USER", Value: defaultKeycloakAdminUser},
{Name: "KEYCLOAK_PASSWORD", Value: defaultKeycloakAdminPassword},
{Name: "PROXY_ADDRESS_FORWARDING", Value: "true"},
}
}
func newKeycloakDeployment(cr *argoproj.ArgoCD) *k8sappsv1.Deployment {
var replicas int32 = 1
return &k8sappsv1.Deployment{
ObjectMeta: metav1.ObjectMeta{
Name: defaultKeycloakIdentifier,
Namespace: cr.Namespace,
Annotations: map[string]string{
"argocd.argoproj.io/realm-created": "false",
},
Labels: map[string]string{
"app": defaultKeycloakIdentifier,
},
},
Spec: k8sappsv1.DeploymentSpec{
Replicas: &replicas,
Selector: &metav1.LabelSelector{
MatchLabels: map[string]string{
"app": defaultKeycloakIdentifier,
},
},
Template: corev1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
"app": defaultKeycloakIdentifier,
},
},
Spec: corev1.PodSpec{
Containers: []corev1.Container{
{
Name: defaultKeycloakIdentifier,
Image: getKeycloakContainerImage(cr),
Env: proxyEnvVars(getKeycloakContainerEnv()...),
Ports: []corev1.ContainerPort{
{Name: "http", ContainerPort: httpPort},
{Name: "https", ContainerPort: portTLS},
},
ReadinessProbe: &corev1.Probe{
ProbeHandler: corev1.ProbeHandler{
HTTPGet: &corev1.HTTPGetAction{
Path: "/auth/realms/master",
Port: intstr.FromInt(int(httpPort)),
},
},
},
},
},
},
},
},
}
}
func (r *ReconcileArgoCD) newKeycloakInstance(cr *argoproj.ArgoCD) error {
// Create Keycloak Ingress
ing := newKeycloakIngress(cr)
err := r.Client.Get(context.TODO(), types.NamespacedName{Name: ing.Name,
Namespace: ing.Namespace}, ing)
if err != nil {
if errors.IsNotFound(err) {
if err := controllerutil.SetControllerReference(cr, ing, r.Scheme); err != nil {
return err
}
err = r.Client.Create(context.TODO(), ing)
if err != nil {
return err
}
} else {
return err
}
}
// Create Keycloak Service
svc := newKeycloakService(cr)
err = r.Client.Get(context.TODO(), types.NamespacedName{Name: svc.Name,
Namespace: svc.Namespace}, svc)
if err != nil {
if errors.IsNotFound(err) {
if err := controllerutil.SetControllerReference(cr, svc, r.Scheme); err != nil {
return err
}
err = r.Client.Create(context.TODO(), svc)
if err != nil {
return err
}
} else {
return err
}
}
// Create Keycloak Deployment
dep := newKeycloakDeployment(cr)
err = r.Client.Get(context.TODO(), types.NamespacedName{Name: dep.Name,
Namespace: dep.Namespace}, dep)
if err != nil {
if errors.IsNotFound(err) {
if err := controllerutil.SetControllerReference(cr, dep, r.Scheme); err != nil {
return err
}
err = r.Client.Create(context.TODO(), dep)
if err != nil {
return err
}
} else {
return err
}
}
return nil
}
// prepares a keycloak config which is used in creating keycloak realm configuration.
func (r *ReconcileArgoCD) prepareKeycloakConfig(cr *argoproj.ArgoCD) (*keycloakConfig, error) {
var tlsVerification bool
// Get keycloak hostname from route.
// keycloak hostname is required to post realm configuration to keycloak when keycloak cannot be accessed using service name
// due to network policies or operator running outside the cluster or development purpose.
existingKeycloakRoute := &routev1.Route{
ObjectMeta: metav1.ObjectMeta{
Name: defaultKeycloakIdentifier,
Namespace: cr.Namespace,
},
}
err := r.Client.Get(context.TODO(), types.NamespacedName{Name: existingKeycloakRoute.Name,
Namespace: existingKeycloakRoute.Namespace}, existingKeycloakRoute)
if err != nil {
return nil, err
}
kRouteURL := fmt.Sprintf("https://%s", existingKeycloakRoute.Spec.Host)
// Get ArgoCD hostname from route. ArgoCD hostname is used in the keycloak client configuration.
existingArgoCDRoute := &routev1.Route{
ObjectMeta: metav1.ObjectMeta{
Name: fmt.Sprintf("%s-%s", cr.Name, "server"),
Namespace: cr.Namespace,
},
}
err = r.Client.Get(context.TODO(), types.NamespacedName{Name: existingArgoCDRoute.Name,
Namespace: existingArgoCDRoute.Namespace}, existingArgoCDRoute)
if err != nil {
return nil, err
}
aRouteURL := fmt.Sprintf("https://%s", existingArgoCDRoute.Spec.Host)
// Get keycloak Secret for credentials. credentials are required to authenticate with keycloak.
existingSecret := &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: fmt.Sprintf("%s-%s", defaultKeycloakIdentifier, "secret"),
Namespace: cr.Namespace,
},
}
err = r.Client.Get(context.TODO(), types.NamespacedName{Name: existingSecret.Name,
Namespace: existingSecret.Namespace}, existingSecret)
if err != nil {
return nil, err
}
userEnc := b64.URLEncoding.EncodeToString(existingSecret.Data["SSO_USERNAME"])
passEnc := b64.URLEncoding.EncodeToString(existingSecret.Data["SSO_PASSWORD"])
username, _ := b64.URLEncoding.DecodeString(userEnc)
password, _ := b64.URLEncoding.DecodeString(passEnc)
// Get Keycloak Service Cert
serverCert, err := r.getKCServerCert(cr)
if err != nil {
return nil, err
}
// By default TLS Verification should be enabled.
if cr.Spec.SSO.Keycloak == nil || (cr.Spec.SSO.Keycloak.VerifyTLS == nil || *cr.Spec.SSO.Keycloak.VerifyTLS) {
tlsVerification = true
}
cfg := &keycloakConfig{
ArgoName: cr.Name,
ArgoNamespace: cr.Namespace,
Username: string(username),
Password: string(password),
KeycloakURL: kRouteURL,
ArgoCDURL: aRouteURL,
KeycloakServerCert: serverCert,
VerifyTLS: tlsVerification,
}
return cfg, nil
}
// prepares a keycloak config which is used in creating keycloak realm configuration for kubernetes.
func (r *ReconcileArgoCD) prepareKeycloakConfigForK8s(cr *argoproj.ArgoCD) (*keycloakConfig, error) {
// Get keycloak hostname from ingress.
// keycloak hostname is required to post realm configuration to keycloak when keycloak cannot be accessed using service name
// due to network policies or operator running outside the cluster or development purpose.
existingKeycloakIng := &networkingv1.Ingress{
ObjectMeta: metav1.ObjectMeta{
Name: defaultKeycloakIdentifier,
Namespace: cr.Namespace,
},
}
err := r.Client.Get(context.TODO(), types.NamespacedName{Name: existingKeycloakIng.Name,
Namespace: existingKeycloakIng.Namespace}, existingKeycloakIng)
if err != nil {
return nil, err
}
kIngURL := fmt.Sprintf("https://%s", existingKeycloakIng.Spec.Rules[0].Host)
// Get ArgoCD hostname from Ingress. ArgoCD hostname is used in the keycloak client configuration.
existingArgoCDIng := &networkingv1.Ingress{
ObjectMeta: metav1.ObjectMeta{
Name: fmt.Sprintf("%s-%s", cr.Name, "server"),
Namespace: cr.Namespace,
},
}
err = r.Client.Get(context.TODO(), types.NamespacedName{Name: existingArgoCDIng.Name,
Namespace: existingArgoCDIng.Namespace}, existingArgoCDIng)
if err != nil {
return nil, err
}
aIngURL := fmt.Sprintf("https://%s", existingArgoCDIng.Spec.Rules[0].Host)
cfg := &keycloakConfig{
ArgoName: cr.Name,
ArgoNamespace: cr.Namespace,
Username: defaultKeycloakAdminUser,
Password: defaultKeycloakAdminPassword,
KeycloakURL: kIngURL,
ArgoCDURL: aIngURL,
VerifyTLS: false,
}
return cfg, nil
}
// creates a keycloak realm configuration which when posted to keycloak using http client creates a keycloak realm.
func createRealmConfig(cfg *keycloakConfig) ([]byte, error) {
ks := &CustomKeycloakAPIRealm{
Realm: keycloakRealm,
Enabled: true,
SslRequired: "external",
Clients: []*KeycloakAPIClient{
{
ClientID: keycloakClient,
Name: keycloakClient,
RootURL: cfg.ArgoCDURL,
AdminURL: cfg.ArgoCDURL,
ClientAuthenticatorType: "client-secret",
Secret: oAuthClientSecret,
RedirectUris: []string{fmt.Sprintf("%s/%s",
cfg.ArgoCDURL, "auth/callback")},
WebOrigins: []string{cfg.ArgoCDURL},
DefaultClientScopes: []string{
"web-origins",
"role_list",
"roles",
"profile",
"groups",
"email",
},
StandardFlowEnabled: true,
},
},
ClientScopes: []KeycloakClientScope{
{
Name: "groups",
Protocol: "openid-connect",
ProtocolMappers: []KeycloakProtocolMapper{
{
Name: "groups",
Protocol: "openid-connect",
ProtocolMapper: "oidc-usermodel-attribute-mapper",
Config: map[string]string{
"aggregate.attrs": "false",
"multivalued": "true",
"userinfo.token.claim": "true",
"user.attribute": "groups",
"id.token.claim": "true",
"access.token.claim": "true",
"claim.name": "groups",
},
},
},
},
{
Name: "email",
Protocol: "openid-connect",
ProtocolMappers: []KeycloakProtocolMapper{
{
Name: "email",
Protocol: "openid-connect",
ProtocolMapper: "oidc-usermodel-property-mapper",
Config: map[string]string{
"userinfo.token.claim": "true",
"user.attribute": "email",
"id.token.claim": "true",
"access.token.claim": "true",
"claim.name": "email",
"jsonType.label": "String",
},
},
},
},
{
Name: "profile",
Protocol: "openid-connect",
Attributes: map[string]string{
"include.in.token.scope": "true",
"display.on.consent.screen": "true",
},
},
},
}
// Add OpenShift-v4 as Identity Provider only for OpenShift environment.
// No Identity Provider is configured by default for non-openshift environments.
if IsTemplateAPIAvailable() {
baseURL := "https://kubernetes.default.svc.cluster.local"
if isProxyCluster() {
baseURL = getOpenShiftAPIURL()
}
ks.IdentityProviders = []*KeycloakIdentityProvider{
{
Alias: "openshift-v4",
DisplayName: "Login with OpenShift",
ProviderID: "openshift-v4",
Config: map[string]string{
"baseUrl": baseURL,
"clientSecret": oAuthClientSecret,
"clientId": getOAuthClient(cfg.ArgoNamespace),
"defaultScope": "user:full",
"syncMode": "FORCE",
},
},
}
ks.IdentityProviderMappers = []*KeycloakIdentityProviderMapper{
{
Name: "groups",
IdentityProviderAlias: "openshift-v4",
IdentityProviderMapper: "openshift-v4-user-attribute-mapper",
Config: map[string]string{
"syncMode": "INHERIT",
"jsonField": "groups",
"userAttribute": "groups",
},
},
}
}
json, err := json.Marshal(ks)
if err != nil {
return nil, err
}
return json, nil
}
// Gets Keycloak Server cert. This cert is used to authenticate the api calls to the Keycloak service.
func (r *ReconcileArgoCD) getKCServerCert(cr *argoproj.ArgoCD) ([]byte, error) {
sslCertsSecret := &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: servingCertSecretName,
Namespace: cr.Namespace,
},
}
err := r.Client.Get(context.TODO(), types.NamespacedName{Name: sslCertsSecret.Name, Namespace: sslCertsSecret.Namespace}, sslCertsSecret)
switch {
case err == nil:
return sslCertsSecret.Data["tls.crt"], nil
case errors.IsNotFound(err):
return nil, nil
default:
return nil, err
}
}
func getOAuthClient(ns string) string {
return fmt.Sprintf("%s-%s", defaultKeycloakBrokerName, ns)
}
// Updates OIDC configuration for ArgoCD.
func (r *ReconcileArgoCD) updateArgoCDConfiguration(cr *argoproj.ArgoCD, kRouteURL string) error {
// Update the ArgoCD client secret for OIDC in argocd-secret.
argoCDSecret := &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: common.ArgoCDSecretName,
Namespace: cr.Namespace,
},
}
err := r.Client.Get(context.TODO(), types.NamespacedName{Name: argoCDSecret.Name, Namespace: argoCDSecret.Namespace}, argoCDSecret)
if err != nil {
log.Error(err, fmt.Sprintf("ArgoCD secret not found for ArgoCD %s in namespace %s",
cr.Name, cr.Namespace))
return err
}
argoCDSecret.Data["oidc.keycloak.clientSecret"] = []byte(oAuthClientSecret)
err = r.Client.Update(context.TODO(), argoCDSecret)