Use systemd to start Puma

group_vars/all

@@ -34,6 +34,12 @@ database_user: "{{ deploy_user }}"
 database_password: "{{ deploy_user }}"
 database_hostname: "localhost"
 
+# Puma
+puma_service_unit_name: "puma_{{ app_name }}_{{ env }}"
+puma_config_file: "{{ release_dir }}/config/puma/{{ env }}.rb"
+puma_access_log: "{{ shared_dir }}/log/puma_access.log"
+puma_error_log: "{{ shared_dir }}/log/puma_error.log"
+
 #SMTP
 smtp_address:        "smtp.example.com"
 smtp_port:           25

roles/puma/tasks/main.yml

@@ -7,26 +7,22 @@
     - "pids"
     - "sockets"
 
-- name: Check that puma is running
-  stat:
-    path: "{{ shared_dir }}/tmp/pids/puma.pid"
-  register: puma_process
-
-- name: Get running puma process
-  shell: "cat {{ shared_dir }}/tmp/pids/puma.pid"
-  register: running_process
-  when: puma_process.stat.exists == True
+- name: Create systemd folder
+  file:
+    path: "{{ home_dir }}/.config/systemd/user"
+    state: directory
 
-- name: Kill running process
-  shell: "kill -QUIT {{ item }}"
-  with_items: "{{ running_process.stdout_lines }}"
-  when: puma_process.stat.exists == True
+- name: Copy Puma service file to the systemd folder
+  template:
+    src: "{{ playbook_dir }}/roles/puma/templates/puma.service"
+    dest: "{{ home_dir }}/.config/systemd/user/puma.service"
 
 - name: Start puma
-  shell: "source {{ home_dir }}/.rvm/scripts/rvm && bundle exec puma -C {{ release_dir }}/config/puma/{{ env }}.rb -e {{ env }} -d"
-  args:
-    chdir: "{{ release_dir }}"
-    executable: /bin/bash
+  systemd:
+    name: "{{ puma_service_unit_name }}"
+    enabled: true
+    state: started
+    scope: user
 
 - name: Make sure Nginx has write access to the puma socket
   shell: "chmod o+w tmp/sockets/*"

roles/puma/templates/puma.service

@@ -0,0 +1,17 @@
+[Unit]
+Description=Puma HTTP Server for {{ app_name }} ({{ env }})
+After=network.target
+
+[Service]
+Type=simple
+WorkingDirectory={{ release_dir }}
+ExecStart=bundle exec --keep-file-descriptors puma -C {{ puma_config_file }}
+ExecReload=/bin/kill -USR1 $MAINPID
+StandardOutput=append: {{ puma_access_log }}
+StandardError=append: {{ puma_error_log }}
+Restart=always
+RestartSec=1
+SyslogIdentifier=puma
+
+[Install]
+WantedBy=default.target