IOT Playbook updated with docker networks and caddy.

iot/playbook.yml

@@ -6,8 +6,9 @@
     - vars/default.yml
 
   roles:
-    # - mosquitto
-    # - influxdb
-    # - nodered
-    # - grafana
-    - nginx
+    - network
+    - mosquitto
+    - influxdb
+    - nodered
+    - grafana
+    - caddy

iot/roles/caddy/defaults/main.yaml

@@ -0,0 +1,7 @@
+
+caddy_container: caddy
+caddyfile_path: /var/lib/caddy/conf/Caddyfile
+snippet_block: |
+  {{ host }} {
+      reverse_proxy {{ grafana_container }}:3000
+  }

iot/roles/caddy/handlers/main.yaml

@@ -0,0 +1,7 @@
+---
+# Handlers for Nginx role
+- name: Restart caddy container
+  docker_container:
+    name: "{{ caddy_container }}"
+    state: started
+    restart: true

iot/roles/caddy/tasks/main.yaml

@@ -0,0 +1,22 @@
+---
+- name: Read current Caddyfile
+  ansible.builtin.slurp:
+    path: "{{ caddyfile_path }}"
+  register: caddyfile_raw
+
+- name: Decode Caddyfile content
+  set_fact:
+    caddyfile_content: "{{ caddyfile_raw['content'] | b64decode }}"
+
+- name: Check if snippet already exists
+  set_fact:
+    snippet_present: "{{ snippet_block in caddyfile_content }}"
+
+- name: Add snippet if missing
+  ansible.builtin.blockinfile:
+    path: "{{ caddyfile_path }}"
+    marker: "# {mark} Ansible managed Caddy snippet for {{ host }}"
+    block: "{{ snippet_block }}"
+    create: yes
+  when: not snippet_present
+  notify: Restart caddy container

iot/roles/grafana/tasks/main.yaml

@@ -27,15 +27,13 @@
     restart_policy: "unless-stopped"
     user: "{{ getent_passwd[grafana_user][1] }}:{{ getent_passwd[grafana_user][2] }}"
     env:
-      GF_SERVER_ROOT_URL: "https://{{ http_host }}"
+      GF_SERVER_ROOT_URL: "https://{{ host }}"
       GF_INSTALL_PLUGINS: "grafana-clock-panel, grafana-simple-json-datasource, natel-discrete-panel, briangann-gauge-panel, vonage-status-panel, neocat-cal-heatmap-panel, natel-plotly-panel"
       GF_AUTH_ANONYMOUS_ENABLED: "true"
       GF_AUTH_ANONYMOUS_ORG_NAME: "Public"
       GF_AUTH_ANONYMOUS_ORG_ROLE: "Viewer"
       GF_AUTH_ANONYMOUS_HIDE_VERSION: "true"
-    links:
-      - "{{ influx_container }}:influx"
-    published_ports:
-      - 127.0.0.1:3005:3000
+    networks:
+      - name: "{{ docker_network }}"
     volumes:
       - "{{ grafana_directory }}:/var/lib/grafana"

iot/roles/influxdb/tasks/main.yaml

@@ -42,8 +42,10 @@
     state: started
     restart_policy: "unless-stopped"
     user: "{{ getent_passwd[influx_user][1] }}:{{ getent_passwd[influx_user][2] }}"
-    published_ports:
-      - 127.0.0.1:8088:8086
+    networks:
+      - name: "{{ docker_network }}"
+        aliases:
+          - influx
     volumes:
       - "{{ influx_directory }}/data:/var/lib/influxdb2"
       - "{{ influx_directory }}/config:/etc/influxdb2"

iot/roles/mosquitto/tasks/main.yaml

@@ -35,10 +35,6 @@
     owner: 1883 # "{{ mosquitto_user }}"
     mode: 0646
 
-# - name: Check if Mosquitto passwd file exists
-#   stat: path="{{ mosquitto_directory }}/config/passwd"
-#   register: status
-
 - name: Ensure Mosquitto passwd file exists
   template:
       src: "files/passwd"
@@ -47,9 +43,6 @@
       owner: 1883 # "{{ mosquitto_user }}"
       mode: 0646
 
-- name: Encrypt the docker file
-  command: docker exec -i mosquitto mosquitto_passwd -U /mosquitto/config/passwd
-
 - name: Ensure Mosquitto Log Directory exists
   file:
       path: "{{ mosquitto_directory }}/log"
@@ -73,10 +66,17 @@
     state: started
     restart_policy: "unless-stopped"
     # user: 0:0 # "{{ getent_passwd[mosquitto_user][1] }}:{{ getent_passwd[mosquitto_user][2] }}"
+    networks:
+      - name: "{{ docker_network }}"
+        aliases:
+          - mqtt
     published_ports:
-      - 127.0.0.1:9001:9001
       - 1883:1883
     volumes:
       - "{{ mosquitto_directory }}/config:/mosquitto/config"
       - "{{ mosquitto_directory }}/data:/mosquitto/data"
       - "{{ mosquitto_directory }}/log:/mosquitto/log"
+
+- name: Encrypt the docker file
+  command: docker exec -i mosquitto mosquitto_passwd -U /mosquitto/config/passwd
+

iot/roles/network/tasks/main.yaml

@@ -0,0 +1,9 @@
+---
+# Tasks for Mosquitto role
+- name: Ensure 'iot' Docker network exists
+  docker_network:
+    name: "{{ docker_network }}"
+    state: present
+    connected:
+      - caddy
+    appends: yes

iot/roles/nginx/defaults/main.yaml

@@ -1,2 +0,0 @@
----
-# Default variables for Nginx role

iot/roles/nginx/handlers/main.yaml

@@ -1,6 +0,0 @@
----
-# Handlers for Nginx role
-- name: Reload Nginx
-  service:
-    name: nginx
-    state: reloaded

iot/roles/nginx/tasks/main.yaml

@@ -1,24 +0,0 @@
----
-# Tasks for Nginx role
-- name: Check if Nginx conf file exists
-  stat:
-    path: "/etc/nginx/sites-available/{{ http_conf }}"
-  register: status
-
-- name: No need to reload Nginx
-  debug:
-    msg: "No need to reload Nginx as sites-available entries have already been created"
-
-- name: Set Nginx conf file
-  when: status.stat.exists == false
-  template:
-    src: "files/nginx.conf.j2"
-    dest: "/etc/nginx/sites-available/{{ http_conf }}"
-
-- name: Enable new site
-  when: status.stat.exists == false
-  file:
-    src: "/etc/nginx/sites-available/{{ http_conf }}"
-    dest: "/etc/nginx/sites-enabled/{{ http_conf }}"
-    state: link
-  notify: Reload Nginx

iot/roles/nodered/tasks/main.yaml

@@ -28,10 +28,7 @@
     user: "{{ getent_passwd[nodered_user][1] }}:{{ getent_passwd[nodered_user][2] }}"
     env:
       TZ: "Asia/Kolkata"
-    links:
-      - "{{ mosquitto_container }}:mqtt"
-      - "{{ influx_container }}:influx"
-    published_ports:
-      - 127.0.0.1:1880:1880
+    networks:
+      - name: "{{ docker_network }}"
     volumes:
       - "{{ nodered_directory }}:/data"

iot/vars/default.yml

@@ -1,5 +1,5 @@
 ---
-host_directory: /var/lib
+host_directory: /var/lib/iot/
 user: 'www-data'
 
 mosquitto_container: mosquitto
@@ -12,9 +12,9 @@ nodered_image: nodered/node-red:latest
 nodered_directory: "{{ host_directory }}/nodered"
 nodered_user: "{{ user }}"
 
-influx_container: influxtestplay
+influx_container: influx
 influx_image: influxdb:latest
-influx_directory: "{{ host_directory }}/influxtestplaydir"
+influx_directory: "{{ host_directory }}/influx"
 influx_user: "{{ user }}"
 
 grafana_container: grafana
@@ -22,6 +22,6 @@ grafana_image: grafana/grafana-enterprise:latest
 grafana_directory: "{{ host_directory }}/grafana"
 grafana_user: "{{ user }}"
 
-http_host: "iot.tanshu.com"
-http_conf: "iot.tanshu.com.conf"
+host: iot.tanshu.com
 
+docker_network: iot_net