DEV-279: added oidc/rbac for argocd setup (keycloak)

group_vars/stage_qa/plain.yml

@@ -316,6 +316,9 @@ pgadmin4_admin_password: "{{ pgadmin4_admin_password_vault }}"
 gitea_admin_username: "gitea-admin"
 gitea_admin_password: "{{ gitea_admin_password_vault }}"
 
+argocd_admin_username: "argocd-admin"
+argocd_admin_password: "{{ argocd_admin_password_vault }}"
+
 netgo_msteams_hook_alerting: "{{ netgo_msteams_hook_alerting_vault }}"
 
 docker_registry_oidc_client_secret: "{{ docker_registry_oidc_client_secret_vault }}"

group_vars/stage_qa/vault.yml

@@ -1,74 +1,76 @@
 $ANSIBLE_VAULT;1.1;AES256
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roles/keycloak/tasks/_configure_client_crud.yml

@@ -0,0 +1,62 @@
+---
+- name: "GETTING all clients for realm <<{{ realm_name }}>>"
+  delegate_to: 127.0.0.1
+  become: false
+  uri:
+    url: "{{ keycloak_server_url }}/auth/admin/realms/{{ realm_name }}/clients"
+    method: GET
+    headers:
+      Authorization: "Bearer {{ bearer_token }} "
+    status_code: [200]
+  register: get_all_clients
+
+- name: "CREATING client <{{ client_id }}> for realm <{{ realm_name }}>"
+  uri:
+    url: "{{ keycloak_server_url }}/auth/admin/realms/{{ realm_name }}/clients"
+    method: POST
+    body_format: json
+    body: "{{ keycloak_client_object }}"
+    headers:
+      Authorization: "Bearer {{ bearer_token }} "
+    status_code: [201]
+  changed_when: True
+  when:
+    - get_all_clients.json | selectattr('clientId', 'equalto', client_id) | list | length == 0
+  delegate_to: 127.0.0.1
+  become: false
+
+- set_fact:
+    id: '{{ ( get_all_clients.json | selectattr("clientId","equalto",argo_client_id) | first ).id }}'
+  when: 
+  - get_all_clients.json | selectattr('clientId', 'equalto', client_id) | list | length == 1
+
+- name: "UPDATING client <{{ client_id }}> for realm <{{ realm_name }}>"
+  delegate_to: 127.0.0.1
+  become: false
+  uri:
+    url: '{{ keycloak_server_url }}/auth/admin/realms/{{ realm_name }}/clients/{{ id }}'
+    method: PUT
+    body_format: json
+    body: "{{ keycloak_client_object }}"
+    headers:
+      Authorization: "Bearer {{ bearer_token }} "
+    status_code: [204]
+  changed_when: True
+  when: 
+  - get_all_clients.json | selectattr('clientId', 'equalto', client_id) | list | length == 1
+
+- name: "DELETING client <{{ client_id }}> for realm <{{ realm_name }}>"
+  delegate_to: 127.0.0.1
+  become: false
+  uri:
+    url: '{{ keycloak_server_url }}/auth/admin/realms/{{ realm_name }}/clients/{{ id }}'
+    method: DELETE
+    body_format: json
+    body: "{{ keycloak_client_object }}"
+    headers:
+      Authorization: "Bearer {{ bearer_token }} "
+    status_code: [204]
+  changed_when: True
+  when: 
+  - get_all_clients.json | selectattr('clientId', 'equalto', client_id) | list | length == 1
+  - remove_client | default(False) | bool

roles/keycloak/tasks/_configure_realm.yml

@@ -93,3 +93,4 @@
   with_items: "{{ current_realm_clients }}"
   loop_control:
     loop_var: client
+  when: create_client | default('True') | bool

roles/keycloak/tasks/_configure_user_groupmembership_crud.yml

@@ -0,0 +1,56 @@
+---
+- name: "GETTING all groups for realm <<{{ realm_name }}>>"
+  delegate_to: 127.0.0.1
+  become: false
+  uri:
+    url: "{{ keycloak_server_url }}/auth/admin/realms/{{ realm_name }}/groups"
+    method: GET
+    headers:
+      Authorization: "Bearer {{ bearer_token }} "
+    status_code: [200]
+  register: get_all_groups
+
+- name: "GETTING all users for realm <<{{ realm_name }}>>"
+  delegate_to: 127.0.0.1
+  become: false
+  uri:
+    url: "{{ keycloak_server_url }}/auth/admin/realms/{{ realm_name }}/users"
+    method: GET
+    headers:
+      Authorization: "Bearer {{ bearer_token }} "
+    status_code: [200]
+  register: get_all_users
+
+- set_fact:
+    group_id: '{{ ( get_all_groups.json | selectattr("name","equalto",destination_group) | first ).id }}'
+    user_id: '{{ ( get_all_users.json | selectattr("username","equalto",username) | first ).id }}'
+
+- name: "GETTING all group for user <<{{ username }}>> in realm<<{{ realm_name }}>>"
+  delegate_to: 127.0.0.1
+  become: false
+  uri:
+    url: "{{ keycloak_server_url }}/auth/admin/realms/{{ realm_name }}/users/{{ user_id }}/groups/"
+    method: GET
+    headers:
+      Authorization: "Bearer {{ bearer_token }} "
+    status_code: [200]
+  register: get_all_groups_for_current_user
+
+- set_fact:
+    already_in_group: '{{ get_all_groups_for_current_user.json | selectattr("name","equalto",destination_group) }}'
+
+- name: "ADDING USER <{{ client_id }}> for realm <{{ realm_name }}> to Group <<{{ destination_group }}>>"
+  delegate_to: 127.0.0.1
+  become: false
+  uri:
+    url: "{{ keycloak_server_url }}/auth/admin/realms/{{ realm_name }}/users/{{ user_id }}/groups/{{ group_id }}"
+    method: PUT
+    body_format: json
+    headers:
+      Authorization: "Bearer {{ bearer_token }} "
+    status_code: [204]
+  changed_when: True
+  when:
+    - get_all_users.json | selectattr("username", "equalto", username) | list | length == 1
+    - get_all_groups.json | selectattr("name", "equalto", destination_group) | list | length == 1
+    - get_all_groups_for_current_user.json | selectattr("name", "equalto", destination_group) | list | length == 0 # do PUT-reqeust only if user is not member of group

roles/kubernetes/apps/defaults/main.yml

@@ -6,6 +6,33 @@ k8s_prometheus_helm__release_namespace: "monitoring"
 k8s_argocd_helm__name: "argo-cd"
 k8s_argocd_helm__release_namespace: "argo-cd"
 
+argocd_client_admin_username: argocd-admin
+argocd_client_admin_password: argocd-admin
+
+argo_realm_name: &argoname 'argocd'
+argo_realm_display_name: *argoname
+
+k8s_argocd_helm__domain: &argourl "{{ stage }}-kube-argocd.{{ domain }}"
+argo_realm_group: ArgoCDAdmins
+argo_keycloak_clientscope_protocol: openid-connect
+argo_keycloak_clientscope_name: groups
+argo_client_id: *argoname
+
+argo_client_root_url: 'https://{{ k8s_argocd_helm__domain }}'
+argo_client_redirect_uris:
+  - 'https://{{ k8s_argocd_helm__domain }}/auth/callback'
+argo_client_base_url: '/applications'
+argo_client_admin_url: 'https://{{ k8s_argocd_helm__domain }}'
+argo_client_web_origins:
+  - 'https://{{ k8s_argocd_helm__domain }}'
+
+argo_realm_users: [
+  {
+    "username": "{{ argocd_client_admin_username }}",
+    "password": "{{ argocd_client_admin_password }}",
+  }
+]
+
 # https://github.com/grafana/helm-charts
 # https://github.com/prometheus-community/helm-charts
 k8s_prometheus_helm__release_values:
@@ -105,7 +132,25 @@ k8s_argocd_helm__release_values:
         namespace: "{{ k8s_argocd_helm__release_namespace }}"
         additionalLabels:
           release: "{{ k8s_prometheus_helm__name }}"
+    env:
+      - name: ARGOCD_MAX_CONCURRENT_LOGIN_REQUESTS_COUNT
+        value: "0"
+      - name: ARGOCD_EXEC_TIMEOUT
+        value: "300s"
   server:
+    config:
+      oidc.config: |
+        name: Keycloak
+        issuer: '{{ keycloak_server_url }}/auth/realms/argocd'
+        clientID: '{{ argo_client_id }}'
+        clientSecret: $oidc.keycloak.clientSecret
+        requestedScopes: ["openid", "profile", "email", "{{ argo_keycloak_clientscope_name }}"]
+      url: 'https://{{ k8s_argocd_helm__domain }}'
+    rbacConfig:
+      policy.default: role:readonly
+      policy.csv: |
+        g, /{{ argo_realm_group }}, role:admin
+        g, admin, role:admin
     metrics:
       enabled: true
       serviceMonitor:
@@ -113,6 +158,8 @@ k8s_argocd_helm__release_values:
         namespace: "{{ k8s_argocd_helm__release_namespace }}"
         additionalLabels:
           release: "{{ k8s_prometheus_helm__name }}"
+    service:
+      sessionAffinity: ClientIP
     ingress:
       enabled: true
       annotations:
@@ -124,19 +171,13 @@ k8s_argocd_helm__release_values:
         nginx.ingress.kubernetes.io/ssl-passthrough: "true"
         nginx.ingress.kubernetes.io/backend-protocol: "HTTPS"
       hosts:
-        - "{{ stage }}-kube-argocd.{{ domain }}"
+        - "{{ k8s_argocd_helm__domain }}"
       tls:
         - secretName: "{{ stage }}-kube-argocd-cert"
           hosts:
-            - "{{ stage }}-kube-argocd.{{ domain }}"
+            - "{{ k8s_argocd_helm__domain }}"
   dex:
-    metrics:
+    enabled: false
-      enabled: true
-      serviceMonitor:
-        enabled: false
-        namespace: "{{ k8s_argocd_helm__release_namespace }}"
-        additionalLabels:
-          release: "{{ k8s_prometheus_helm__name }}"
   redis:
     metrics:
       enabled: true

roles/kubernetes/apps/tasks/argocd.yml

@@ -0,0 +1,185 @@
+---
+# I tried to create a realm via community.general.keycloak_realm
+# but every request failed with HTTP 500
+# but creating a group via community.general.keycloak_group
+# was successfully
+#  ¯\_(ツ)_/¯
+#
+- name: "Login with keycloak-admin"
+  include_role:
+    name: keycloak
+    tasks_from: _authenticate
+
+- name: "Setup keycloak-realm for argocd"
+  include_role:
+    name: keycloak
+    tasks_from: _configure_realm
+  vars:
+    current_realm_name: '{{ argo_realm_name }}'
+    current_realm_display_name: '{{ argo_realm_display_name }}'
+    create_client: False
+  when:
+  - inventory_hostname == groups['kube_control_plane'][0]
+
+- name: "Create a Keycloak group, authentication with credentials"
+  delegate_to: localhost
+  become: False
+  community.general.keycloak_group:
+    auth_keycloak_url: "{{ keycloak_server_url }}/auth"
+    auth_client_id: admin-cli
+    auth_realm: 'master'
+    auth_username: "{{ keycloak_admin_username }}"
+    auth_password: "{{ keycloak_admin_password }}"
+    name: '{{ argo_realm_group }}'
+    realm: '{{ argo_realm_name }}'
+    state: present
+  when:
+  - inventory_hostname == groups['kube_control_plane'][0]
+
+- name: "Create keycloak user(s)"
+  include_role:
+    name: keycloak
+    tasks_from: _create_realm_users
+  vars:
+    current_realm_name: '{{ argo_realm_name }}'
+    current_realm_users: '{{ argo_realm_users }}'
+  when:
+  - inventory_hostname == groups['kube_control_plane'][0]
+
+- name: "ADD user group mapping"
+  include_role:
+    name: keycloak
+    tasks_from: _configure_user_groupmembership_crud
+  vars:
+    username: '{{ argocd_client_admin_username }}'
+    destination_group: '{{ argo_realm_group }}'
+    realm_name: '{{ argo_realm_name }}'
+    bearer_token: '{{ access_token }}'
+  when:
+  - inventory_hostname == groups['kube_control_plane'][0]
+
+- name: "Create keycloak clientscope"
+  delegate_to: localhost
+  become: False
+  community.general.keycloak_clientscope:
+    auth_client_id: admin-cli
+    auth_keycloak_url: "{{ keycloak_server_url }}/auth"
+    auth_realm: 'master'
+    auth_username: "{{ keycloak_admin_username }}"
+    auth_password: "{{ keycloak_admin_password }}"
+    name: '{{ argo_keycloak_clientscope_name }}'
+    realm: '{{ argo_realm_name }}'
+    protocol: '{{ argo_keycloak_clientscope_protocol }}'
+    protocol_mappers:
+      - config:
+          access.token.claim: True
+          claim.name: '{{ argo_keycloak_clientscope_name }}'
+          full.path: True
+          id.token.claim: True
+          userinfo.token.claim: True
+        name: '{{ argo_keycloak_clientscope_name }}'
+        protocol: openid-connect
+        protocolMapper: oidc-group-membership-mapper
+  when:
+  - inventory_hostname == groups['kube_control_plane'][0]
+
+# using template from exported keycloak client object
+# due to needed params but missing in community.general.keycloak_client
+# e.g. defaultClientScopes
+- set_fact:
+    keycloak_realm_create_client: "{{ lookup('template','keycloak-realm-create-client-argocd.json.j2') }}"
+  vars:
+    client_redirect_uri: '{{ argo_client_redirect_uris }}'
+    client_web_origins: '{{ argo_client_web_origins }}'
+    client_id: '{{ argo_client_id }}'
+    realm_name: '{{ argo_realm_name }}'
+    client_root_url: '{{ argo_client_root_url }}'
+    client_admin_url: '{{ argo_client_admin_url }}'
+    client_base_url: '{{ argo_client_base_url }}'
+    keycloak_clientscope_name: '{{ argo_keycloak_clientscope_name }}'
+    keycloak_clientscope_protocol: '{{ argo_keycloak_clientscope_protocol }}'
+
+# throw needed VARs against keycloak API
+# to CRUD
+- name: "Create client"
+  include_role:
+    name: keycloak
+    tasks_from: _configure_client_crud
+  vars:
+    client_id: '{{ argo_client_id }}'
+    realm_name: '{{ argo_realm_name }}'
+    keycloak_client_object: '{{ keycloak_realm_create_client }}'
+    bearer_token: '{{ access_token }}'
+  when:
+  - inventory_hostname == groups['kube_control_plane'][0]
+
+- name: "GET available clients from <<{{ argo_realm_name }}>>-realm"
+  delegate_to: localhost
+  become: False
+  uri:
+    url: "{{ keycloak_server_url }}/auth/admin/realms/{{ argo_realm_name }}/clients"
+    method: GET
+    headers:
+      Content-Type: "application/json"
+      Authorization: "Bearer {{ access_token }}"
+    status_code: [200]
+  register: argo_realm_clients
+  when:
+  - inventory_hostname == groups['kube_control_plane'][0]
+
+# available clients: get needed ID
+- set_fact:
+    id_of_client: '{{ ( argo_realm_clients.json | selectattr("clientId","equalto",argo_client_id ) | first ).id }}'
+  when:
+  - inventory_hostname == groups['kube_control_plane'][0]
+
+- name: "GET client-secret for client <<{{ argo_client_id }}>> in realm <<{{ argo_realm_name }}>>"
+  delegate_to: localhost
+  become: False
+  uri:
+    url: "{{ keycloak_server_url }}/auth/admin/realms/{{ argo_realm_name }}/clients/{{ id_of_client }}/client-secret"
+    method: GET
+    headers:
+      Content-Type: "application/json"
+      Authorization: "Bearer {{ access_token }}"
+    status_code: [200]
+  register: client_secret
+  when:
+  - inventory_hostname == groups['kube_control_plane'][0]
+
+- debug:
+    msg: "DEBUGGING: {{ client_secret.json.value }}"
+  when:
+  - debug
+  - inventory_hostname == groups['kube_control_plane'][0]
+
+- set_fact:
+    additional_helm_values:
+      configs:
+        secret:
+          extra:
+            oidc.keycloak.clientSecret: '{{ client_secret.json.value }}'
+  when:
+  - inventory_hostname == groups['kube_control_plane'][0]
+
+- set_fact:
+    combined_helm__release_values: '{{ k8s_argocd_helm__release_values | combine(additional_helm_values) }}'
+  when:
+  - inventory_hostname == groups['kube_control_plane'][0]
+
+- debug:
+    msg: "DEBUGGING: {{ combined_helm__release_values }}"
+  when:
+  - debug
+  - inventory_hostname == groups['kube_control_plane'][0]
+
+- name: Deploy argo-cd inside argo-cd namespace
+  kubernetes.core.helm:
+    name: "{{ k8s_argocd_helm__name }}"
+    chart_repo_url: "{{ k8s_argocd_helm__chart_repo_url | default('https://argoproj.github.io/argo-helm') }}"
+    chart_ref: "{{ k8s_argocd_helm__chart_ref | default('argo-cd') }}"
+    release_namespace: "{{ k8s_argocd_helm__release_namespace }}"
+    create_namespace: yes
+    release_values: "{{ combined_helm__release_values }}"
+  when:
+  - inventory_hostname == groups['kube_control_plane'][0]

roles/kubernetes/apps/tasks/main.yml

@@ -17,14 +17,12 @@
   tags:
     - prometheus
 
-- name: Deploy argo-cd inside argo-cd namespace
+- name: "Deploy argo-cd"
-  kubernetes.core.helm:
+  include_tasks: argocd.yml 
-    name: "{{ k8s_argocd_helm__name }}"
+  args:
-    chart_repo_url: "{{ k8s_argocd_helm__chart_repo_url | default('https://argoproj.github.io/argo-helm') }}"
+    apply:
-    chart_ref: "{{ k8s_argocd_helm__chart_ref | default('argo-cd') }}"
+      tags:
-    release_namespace: "{{ k8s_argocd_helm__release_namespace }}"
+        - argo-cd
-    create_namespace: yes
-    release_values: "{{ k8s_argocd_helm__release_values }}"
   when: 
   - inventory_hostname == groups['kube_control_plane'][0]
   tags:

roles/kubernetes/apps/templates/keycloak-realm-create-client-argocd.json.j2

@@ -0,0 +1,85 @@
+#jinja2: trim_blocks:False
+{
+    "clientId": "{{ client_id }}",
+    "rootUrl": "{{ client_root_url }}",
+    "adminUrl": "{{ client_admin_url }}",
+    "baseUrl": "{{ client_base_url | default('') }}",
+    "surrogateAuthRequired": false,
+    "enabled": true,
+    "alwaysDisplayInConsole": false,
+    "clientAuthenticatorType": "client-secret",
+    "redirectUris": [
+{% for uri in client_redirect_uri %}
+        "{{ uri }}",
+{% endfor %}
+    ],
+    "webOrigins": [
+{% for uri in client_web_origins %}
+        "{{ uri }}"
+{% endfor %}
+    ],
+    "notBefore": 0,
+    "bearerOnly": false,
+    "consentRequired": false,
+    "standardFlowEnabled": true,
+    "implicitFlowEnabled": false,
+    "directAccessGrantsEnabled": true,
+    "serviceAccountsEnabled": false,
+    "publicClient": false,
+    "frontchannelLogout": false,
+    "protocol": "{{ keycloak_clientscope_protocol }}",
+    "attributes": {
+        "saml.assertion.signature": "false",
+        "id.token.as.detached.signature": "false",
+        "access.token.lifespan": "{{ keycloak_accesstoken_ttl | default(3600) }}",
+        "saml.multivalued.roles": "false",
+        "saml.force.post.binding": "false",
+        "saml.encrypt": "false",
+        "oauth2.device.authorization.grant.enabled": "false",
+        "saml.server.signature": "false",
+        "backchannel.logout.revoke.offline.tokens": "false",
+        "saml.server.signature.keyinfo.ext": "false",
+        "use.refresh.tokens": "true",
+        "exclude.session.state.from.auth.response": "false",
+        "oidc.ciba.grant.enabled": "false",
+        "saml.artifact.binding": "false",
+        "backchannel.logout.session.required": "true",
+        "client_credentials.use_refresh_token": "false",
+        "saml_force_name_id_format": "false",
+        "saml.client.signature": "false",
+        "tls.client.certificate.bound.access.tokens": "false",
+        "saml.authnstatement": "false",
+        "display.on.consent.screen": "false",
+        "saml.onetimeuse.condition": "false"
+    },
+    "authenticationFlowBindingOverrides": {},
+    "fullScopeAllowed": true,
+    "nodeReRegistrationTimeout": -1,
+    "protocolMappers": [
+        {
+            "name": "docker-v2-allow-all-mapper",
+            "protocol": "docker-v2",
+            "protocolMapper": "docker-v2-allow-all-mapper",
+            "consentRequired": false,
+            "config": {}
+        }
+    ],
+    "defaultClientScopes": [
+        "web-origins",
+        "profile",
+        "roles",
+        "{{ keycloak_clientscope_name }}",
+        "email"
+    ],
+    "optionalClientScopes": [
+        "address",
+        "phone",
+        "offline_access",
+        "microprofile-jwt"
+    ],
+    "access": {
+        "view": true,
+        "configure": true,
+        "manage": true
+    }
+}

roles/kubernetes/base/tasks/main.yml

@@ -34,3 +34,35 @@
   - inventory_hostname == groups['kube_control_plane'][0]
   tags:
     - base
+
+- name: Install k9s on 1st k8s master
+  ansible.builtin.get_url:
+    url: 'https://github.com/derailed/k9s/releases/download/{{ kubernetes_tools_k9s_version | default("v0.25.18") }}/k9s_Linux_x86_64.tar.gz'
+    dest: '/tmp/k9s_Linux_x86_64_{{ kubernetes_tools_k9s_version | default("v0.25.18") }}.tar.gz'
+  when:
+  - inventory_hostname == groups['kube_control_plane'][0]
+  tags:
+    - base
+
+- name: Extract k9s binary
+  ansible.builtin.unarchive:
+    src: '/tmp/k9s_Linux_x86_64_{{ kubernetes_tools_k9s_version | default("v0.25.18") }}.tar.gz'
+    dest: "/tmp/"
+    remote_src: yes
+  when:
+  - inventory_hostname == groups['kube_control_plane'][0]
+  tags:
+    - base
+
+- name: Move extracted k9s binary
+  ansible.builtin.copy:
+    src: /tmp/k9s
+    dest: /usr/bin/k9s
+    mode: 0755
+    owner: root
+    group: root
+    remote_src: yes
+  when:
+  - inventory_hostname == groups['kube_control_plane'][0]
+  tags:
+    - base