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feat: Make Keycloak work behind Istio

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This commit is contained in:
Stefan Reimer 2022-05-11 16:31:37 +02:00
parent ec19fb2720
commit 2404bfbbd9
9 changed files with 90 additions and 5 deletions
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2
charts/kubezero-auth/Chart.yaml
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@ -2,7 +2,7 @@ apiVersion: v2
name: kubezero-auth
description: KubeZero umbrella chart for all things Authentication and Identity management
type: application
version: 0.1.1
version: 0.1.4
appVersion: 18.0.0
home: https://kubezero.com
icon: https://cdn.zero-downtime.net/assets/kubezero/logo-small-64.png

6
charts/kubezero-auth/README.md
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@ -1,6 +1,6 @@
# kubezero-auth
![Version: 0.1.1](https://img.shields.io/badge/Version-0.1.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 18.0.0](https://img.shields.io/badge/AppVersion-18.0.0-informational?style=flat-square)
![Version: 0.1.4](https://img.shields.io/badge/Version-0.1.4-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 18.0.0](https://img.shields.io/badge/AppVersion-18.0.0-informational?style=flat-square)
KubeZero umbrella chart for all things Authentication and Identity management
@ -36,3 +36,7 @@ https://github.com/keycloak/keycloak/tree/main/operator
| Key | Type | Default | Description |
|-----|------|---------|-------------|
| keycloak.enabled | bool | `false` | |
| keycloak.istio.enabled | bool | `false` | |
| keycloak.istio.gateway | string | `"istio-ingress/private-ingressgateway"` | |
| keycloak.istio.url | string | `""` | |
| keycloak.metrics.enabled | bool | `false` | |

4
charts/kubezero-auth/keycloak.patch
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@ -1,5 +1,5 @@
--- templates/keycloak-operator/all.yaml.orig 2022-05-11 12:46:15.860204871 +0200
+++ templates/keycloak-operator/all.yaml 2022-05-11 12:46:02.840068240 +0200
--- templates/keycloak/operator.yaml.orig 2022-05-11 12:46:15.860204871 +0200
+++ templates/keycloak/operator.yaml 2022-05-11 12:46:02.840068240 +0200
@@ -1,3 +1,4 @@
+{{- if .Values.keycloak.enabled }}
---

26
charts/kubezero-auth/templates/keycloak/istio-authorization-policy.yaml Normal file
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@ -0,0 +1,26 @@
{{- if and .Values.keycloak.enabled .Values.keycloak.istio.enabled .Values.keycloak.istio.ipBlocks }}
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
name: {{ .Release.Name }}-deny-not-in-ipblocks
namespace: istio-system
labels:
{{- include "kubezero-lib.labels" $ | nindent 4 }}
spec:
selector:
matchLabels:
app: istio-ingressgateway
action: DENY
rules:
- from:
- source:
notIpBlocks:
{{- toYaml .Values.keycloak.istio.ipBlocks | nindent 8 }}
to:
- operation:
hosts: ["{{ .Values.keycloak.istio.url }}"]
when:
- key: connection.sni
values:
- '*'
{{- end }}

18
charts/kubezero-auth/templates/keycloak/istio-service.yaml Normal file
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@ -0,0 +1,18 @@
{{- if and .Values.keycloak.enabled .Values.keycloak.istio.enabled .Values.keycloak.istio.url }}
apiVersion: networking.istio.io/v1beta1
kind: VirtualService
metadata:
name: {{ template "kubezero-lib.fullname" $ }}
namespace: {{ .Release.Namespace }}
labels:
{{- include "kubezero-lib.labels" $ | nindent 4 }}
spec:
gateways:
- {{ .Values.keycloak.istio.gateway }}
hosts:
- {{ .Values.keycloak.istio.url }}
http:
- route:
- destination:
host: {{ template "kubezero-lib.fullname" $ }}-service
{{- end }}

29
charts/kubezero-auth/templates/keycloak/keycloak.yaml Normal file
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@ -0,0 +1,29 @@
{{- if .Values.keycloak.enabled }}
apiVersion: k8s.keycloak.org/v2alpha1
kind: Keycloak
metadata:
name: {{ template "kubezero-lib.fullname" . }}
namespace: {{ .Release.Namespace }}
spec:
instances: 1
# Wait for next release, already fixed
#disableDefaultIngress: true
serverConfiguration:
- name: cache
value: local
- name: db
value: dev-mem
- name: hostname-strict-https
value: "false"
- name: proxy
value: passthrough
- name: http-enabled
value: "true"
#hostname: INSECURE-DISABLE
hostname: {{ default "keycloak" .Values.keycloak.istio.url }}
# We use Istio Ingress to terminate TLS
# mTls down the road
tlsSecret: INSECURE-DISABLE
{{- end }}

0
charts/kubezero-auth/templates/keycloak-operator/all.yaml → charts/kubezero-auth/templates/keycloak/operator.yaml
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2
charts/kubezero-auth/update.sh
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@ -9,6 +9,6 @@ VERSION=$(yq eval '.appVersion' Chart.yaml)
wget -q -O crds/keycloak.yaml https://raw.githubusercontent.com/keycloak/keycloak-k8s-resources/${VERSION}/kubernetes/keycloaks.k8s.keycloak.org-v1.yml
wget -q -O crds/keycloak-realmimports.yaml https://raw.githubusercontent.com/keycloak/keycloak-k8s-resources/${VERSION}/kubernetes/keycloakrealmimports.k8s.keycloak.org-v1.yml
wget -q -O templates/keycloak-operator/all.yaml https://raw.githubusercontent.com/keycloak/keycloak-k8s-resources/${VERSION}/kubernetes/kubernetes.yml
wget -q -O templates/keycloak/operator.yaml https://raw.githubusercontent.com/keycloak/keycloak-k8s-resources/${VERSION}/kubernetes/kubernetes.yml
patch -i keycloak.patch -p0 --no-backup-if-mismatch

8
charts/kubezero-auth/values.yaml
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@ -1,2 +1,10 @@
keycloak:
enabled: false
istio:
enabled: false
gateway: istio-ingress/private-ingressgateway
url: ""
metrics:
enabled: false