Make the existing playbooks pass the new checks

Strip trailing whitespace and blank lines, name the getent tasks, and fix Jinja spacing.

iot/roles/caddy/defaults/main.yaml

@@ -1,4 +1,3 @@
-
 caddy_container: caddy
 caddyfile_path: /var/lib/caddy/conf/Caddyfile
 snippet_block: |

iot/roles/caddy/handlers/main.yaml

@@ -4,4 +4,4 @@
   docker_container:
     name: "{{ caddy_container }}"
     state: started
-    restart: true
+    restart: true

iot/roles/caddy/tasks/main.yaml

@@ -19,4 +19,4 @@
     block: "{{ snippet_block }}"
     create: yes
   when: not snippet_present
-  notify: Restart caddy container
+  notify: Restart caddy container

iot/roles/grafana/tasks/main.yaml

@@ -1,6 +1,7 @@
 ---
 # Tasks for Grafana role
-- getent:
+- name: Look up the Grafana user
+  getent:
     database: passwd
     key: "{{ grafana_user }}"
     split: ":"

iot/roles/influxdb/tasks/main.yaml

@@ -1,6 +1,7 @@
 ---
 # Tasks for InfluxDB role
-- getent:
+- name: Look up the InfluxDB user
+  getent:
     database: passwd
     key: "{{ influx_user }}"
     split: ":"
@@ -49,4 +50,3 @@
     volumes:
       - "{{ influx_directory }}/data:/var/lib/influxdb2"
       - "{{ influx_directory }}/config:/etc/influxdb2"
-

iot/roles/mosquitto/tasks/main.yaml

@@ -1,6 +1,7 @@
 ---
 # Tasks for Mosquitto role
-- getent:
+- name: Look up the Mosquitto user
+  getent:
     database: passwd
     key: "{{ mosquitto_user }}"
     split: ":"
@@ -79,4 +80,3 @@
 
 - name: Encrypt the docker file
   command: docker exec -i mosquitto mosquitto_passwd -U /mosquitto/config/passwd
-

iot/roles/network/tasks/main.yaml

@@ -6,4 +6,4 @@
     state: present
     connected:
       - caddy
-    appends: yes
+    appends: yes

iot/roles/nodered/tasks/main.yaml

@@ -1,5 +1,6 @@
 ---
-- getent:
+- name: Look up the Node-RED user
+  getent:
     database: passwd
     key: "{{ nodered_user }}"
     split: ":"

iot/vars/default.yml

@@ -24,4 +24,4 @@ grafana_user: "{{ user }}"
 
 host: iot.tanshu.com
 
-docker_network: iot_net
+docker_network: iot_net