apps: add wiki.js

3 files changed, 157 insertions, 0 deletions

diff --git a/roles/apps/wikijs/defaults/main.yml b/roles/apps/wikijs/defaults/main.yml
new file mode 100644
index 00000000..04c9c1f6
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+++ b/roles/apps/wikijs/defaults/main.yml
@@ -0,0 +1,20 @@
+---
+wikijs_db_uid: "901"
+wikijs_db_gid: "901"
+
+# wikijs_base_path: /srv/wikijs
+
+# wikijs_zfs:
+#   pool: storage
+#   name: wikijs
+#   properties:
+#     compression: lz4
+
+# wikijs_instances:
+#   example:
+#     version: 2.5.295
+#     port: 8050
+#     hostname: wiki.example.com
+#     database:
+#       version: 15.1
+#       password: secret
diff --git a/roles/apps/wikijs/tasks/main.yml b/roles/apps/wikijs/tasks/main.yml
new file mode 100644
index 00000000..e2b03d24
--- /dev/null
+++ b/roles/apps/wikijs/tasks/main.yml
@@ -0,0 +1,85 @@
+---
+- name: create zfs datasets
+  when: wikijs_zfs is defined
+  block:
+  - name: create zfs base dataset
+    zfs:
+      name: "{{ wikijs_zfs.pool }}/{{ wikijs_zfs.name }}"
+      state: present
+      extra_zfs_properties: "{{ wikijs_zfs.properties | dehumanize_zfs_properties | default(omit) }}"
+
+  - name: create zfs volumes for instances
+    loop: "{{ wikijs_instances | dict2items }}"
+    loop_control:
+      label: "{{ item.key }} ({{ (item.value.zfs_properties | default({})).items() | map('join', '=') | join(', ') }})"
+    zfs:
+      name: "{{ wikijs_zfs.pool }}/{{ wikijs_zfs.name }}/{{ item.key }}"
+      state: present
+      extra_zfs_properties: "{{ item.value.zfs_properties | dehumanize_zfs_properties | default(omit) }}"
+
+  - name: configure wikijs base bath
+    set_fact:
+      wikijs_base_path: "{{ (zfs_pools[wikijs_zfs.pool].mountpoint, wikijs_zfs.name) | path_join }}"
+
+
+- name: create instance subdirectories
+  when: wikijs_zfs is not defined
+  loop: "{{ wikijs_instances | list }}"
+  file:
+    path: "{{ wikijs_base_path }}/{{ item }}"
+    state: directory
+
+
+- name: add group for wikijs db
+  group:
+    name: wikijs-db
+    gid: "{{ wikijs_db_gid }}"
+
+- name: add user for wikijs db
+  user:
+    name: wikijs-db
+    uid: "{{ wikijs_db_uid }}"
+    group: wikijs-db
+    password: "!"
+
+- name: create wikijs database subdirectory
+  loop: "{{ wikijs_instances | dict2items}}"
+  loop_control:
+    label: "{{ item.key }}"
+  file:
+    path: "{{ wikijs_base_path }}/{{ item.key }}/postgres"
+    owner: "{{ wikijs_db_uid }}"
+    group: "{{ wikijs_db_gid }}"
+    state: directory
+
+
+- name: install pod manifest
+  loop: "{{ wikijs_instances | dict2items }}"
+  loop_control:
+    label: "{{ item.key }}"
+  vars:
+    kubernetes_standalone_pod:
+      name: "wikijs-{{ item.key }}"
+      spec: "{{ lookup('template', 'pod-spec.yml.j2') }}"
+      mode: "0600"
+  include_role:
+    name: kubernetes/standalone/pod
+
+- name: configure nginx vhost
+  loop: "{{ wikijs_instances | dict2items }}"
+  loop_control:
+    label: "{{ item.key }}"
+  vars:
+    nginx_vhost:
+      name: "wikijs-{{ item.key }}"
+      template: generic
+      acme: true
+      hostnames:
+      - "{{ item.value.hostname }}"
+      locations:
+        '/':
+          proxy_pass: "http://127.0.0.1:{{ item.value.port }}"
+          extra_directives: |-
+            client_max_body_size 0;
+  include_role:
+    name: nginx/vhost
diff --git a/roles/apps/wikijs/templates/pod-spec.yml.j2 b/roles/apps/wikijs/templates/pod-spec.yml.j2
new file mode 100644
index 00000000..448a1413
--- /dev/null
+++ b/roles/apps/wikijs/templates/pod-spec.yml.j2
@@ -0,0 +1,52 @@
+securityContext:
+  allowPrivilegeEscalation: false
+terminationGracePeriodSeconds: 120
+containers:
+- name: wiki
+  image: "requarks/wiki:{{ item.value.version }}"
+  resources:
+    limits:
+      memory: "1Gi"
+  env:
+  - name: "DB_TYPE"
+    value: "postgres"
+  - name: "DB_HOST"
+    value: "127.0.0.1"
+  - name: "DB_PORT"
+    value: "5432"
+  - name: "DB_NAME"
+    value: "wiki"
+  - name: "DB_USER"
+    value: "wikijs"
+  - name: "DB_PASS"
+    value: "{{ item.value.database.password }}"
+  ports:
+  - containerPort: 3000
+    hostPort: {{ item.value.port }}
+    hostIP: 127.0.0.1
+
+- name: postgresql
+  image: "postgres:{{ item.value.database.version }}"
+  args:
+  - postgres
+  - -c
+  - listen_addresses=127.0.0.1
+  securityContext:
+    runAsUser: {{ wikijs_db_uid }}
+    runAsGroup: {{ wikijs_db_gid }}
+  env:
+  - name: "POSTGRES_DB"
+    value: "wiki"
+  - name: "POSTGRES_USER"
+    value: "wikijs"
+  - name: "POSTGRES_PASSWORD"
+    value: "{{ item.value.database.password }}"
+  volumeMounts:
+  - name: postgres
+    mountPath: /var/lib/postgresql/data
+
+volumes:
+- name: postgres
+  hostPath:
+    path: "{{ wikijs_base_path }}/{{ item.key }}/postgres"
+    type: Directory