chore: new playbook to update local ssh config file

{for each host on stage}
Host dev-...
  HostName 1.2.3.4
{endfor}

group_vars/all/plain.yml

@@ -1,7 +1,6 @@
 ---
 
 debug: false
-local_ssh_config: false
 send_status_messages: false
 
 use_ssl: true

roles/common/tasks/main.yml

@@ -2,7 +2,6 @@
 # This playbook contains common plays that will be run on all nodes.
 
 ### tags:
-###   local_ssh_config
 ###   users
 ###   install
 ###   config
@@ -20,22 +19,6 @@
   when:
     - send_status_messages
 
-- name: 'Insert/Update ssh config in ~/.ssh/config'
-  blockinfile:
-    marker: '# {mark} managed by ansible (ssh config for {{ inventory_hostname }})'
-    path: '~/.ssh/config'
-    create: yes
-    block: |
-      Host {{ inventory_hostname }}
-        HostName {{ stage_server_ip }}
-  when:
-    - local_ssh_config
-  delegate_to: 127.0.0.1
-  become: false
-  throttle: 1
-  tags:
-    - local_ssh_config
-
 - name: "Set hostname to <{{ inventory_hostname }}>"
   hostname:
     name: "{{ inventory_hostname }}"

roles/hcloud/tasks/_read_server_infos.yml

@@ -0,0 +1,31 @@
+---
+
+- name: "Gathering current server infos for group {{ current_server_group.name }} from hetzner"
+  hcloud_server_info:
+    api_token: "{{ hetzner_authentication_token }}"
+    label_selector: "{{ current_server_group.label_selector }}"
+  register: current_server_infos
+  delegate_to: 127.0.0.1
+  become: false
+  tags:
+    - update_config
+
+- name: "Setting server group as fact: server_group_infos_{{ current_server_group.name }}"
+  set_fact:
+    server_group_infos_{{ current_server_group.name }}: "{{ current_server_infos.hcloud_server_info | json_query(querystr) }}"
+  vars:
+    querystr: "[*].{id: id, name: name, ip: ipv4_address}"
+  delegate_to: 127.0.0.1
+  become: false
+  tags:
+    - update_config
+
+- name: "Printing server group {{ current_server_group.name }}"
+  debug:
+    msg: "{{ lookup('vars', 'server_group_infos_' + current_server_group.name) }}"
+  delegate_to: 127.0.0.1
+  become: false
+  tags:
+    - update_config
+  when:
+   - debug

roles/hcloud/tasks/_read_server_names.yml

@@ -10,9 +10,9 @@
   tags:
     - update_config
 
-- name: "Setting server group as fact: server_group_{{ current_server_group.name }}"
+- name: "Setting server group as fact: server_group_names_{{ current_server_group.name }}"
   set_fact:
-    server_group_{{ current_server_group.name }}: "{{ current_server_infos.hcloud_server_info | json_query(querystr) }}"
+    server_group_names_{{ current_server_group.name }}: "{{ current_server_infos.hcloud_server_info | json_query(querystr) }}"
   vars:
     querystr: "[*].name"
   delegate_to: 127.0.0.1
@@ -22,8 +22,10 @@
 
 - name: "Printing server group {{ current_server_group.name }}"
   debug:
-    msg: "{{ lookup('vars', 'server_group_' + current_server_group.name) }}"
+    msg: "{{ lookup('vars', 'server_group_names_' + current_server_group.name) }}"
   delegate_to: 127.0.0.1
   become: false
   tags:
     - update_config
+  when:
+   - debug

start.yml

@@ -1,21 +0,0 @@
----
-
-- name: 'apply setup to {{ host | default("all") }}'
-  hosts: '{{ host | default("all") }}'
-  serial: "{{ serial_number | default(5) }}"
-  gather_facts: no
-  become: no
-
-  pre_tasks:
-    - name: "Check if ansible version is at least 2.10.x"
-      assert:
-        that:
-          - ansible_version.major >= 2
-          - ansible_version.minor >= 10
-        msg: "The ansible version has to be at least ({{ ansible_version.full }})"
-
-  roles:
-    - role: hetzner-state
-      vars:
-        hetzner_state: 'started'
-      when: "'hcloud' in group_names"

stop.yml

@@ -1,21 +0,0 @@
----
-
-- name: 'apply setup to {{ host | default("all") }}'
-  hosts: '{{ host | default("all") }}'
-  serial: "{{ serial_number | default(5) }}"
-  gather_facts: no
-  become: no
-
-  pre_tasks:
-    - name: "Check if ansible version is at least 2.10.x"
-      assert:
-        that:
-          - ansible_version.major >= 2
-          - ansible_version.minor >= 10
-        msg: "The ansible version has to be at least ({{ ansible_version.full }})"
-
-  roles:
-    - role: hetzner-state
-      vars:
-        hetzner_state: 'stopped'
-      when: "'hcloud' in group_names"

templates/prometheus/config/prometheus/prometheus.yml.j2

@@ -49,7 +49,7 @@ scrape_configs:
     metrics_path: '/metrics'
     static_configs:
       - targets: [
-{% for host in server_group_all | difference(['dev-awx-01','dev-prometheus-01','dev-maria-01']) | default([]) %}
+{% for host in server_group_names_all | difference(['dev-awx-01','dev-prometheus-01','dev-maria-01']) | default([]) %}
           '{{ host }}.{{ domain }}:{{ monitor_port_service }}',
 {% endfor %}
         ]
@@ -71,7 +71,7 @@ scrape_configs:
     static_configs:
       # Scrape metrics from the Harbor exporter component
       - targets: [
-{% for host in server_group_harbor | default([]) %}
+{% for host in server_group_names_harbor | default([]) %}
           '{{ host }}.{{ domain }}:{{ monitor_port_harbor }}',
 {% endfor %}
         ]
@@ -93,7 +93,7 @@ scrape_configs:
       comp: ['core']
     static_configs:
       - targets: [
-{% for host in server_group_harbor | default([]) %}
+{% for host in server_group_names_harbor | default([]) %}
           '{{ host }}.{{ domain }}:{{ monitor_port_harbor }}',
 {% endfor %}
         ]
@@ -115,7 +115,7 @@ scrape_configs:
       comp: ['registry']
     static_configs:
       - targets: [
-{% for host in server_group_harbor | default([]) %}
+{% for host in server_group_names_harbor | default([]) %}
           '{{ host }}.{{ domain }}:{{ monitor_port_harbor }}',
 {% endfor %}
         ]
@@ -139,7 +139,7 @@ scrape_configs:
       password: {{ awx_admin_password }}
     static_configs:
       - targets: [
-{% for host in server_group_awx | default([]) %}
+{% for host in server_group_names_awx | default([]) %}
           '{{ host }}.{{ domain }}',
 {% endfor %}
         ]
@@ -160,7 +160,7 @@ scrape_configs:
     metrics_path: '/management/prometheus'
     static_configs:
       - targets: [
-{% for host in server_group_connect | default([]) %}
+{% for host in server_group_names_connect | default([]) %}
           '{{ host }}.{{ domain }}:{{ monitor_port_service }}',
 {% endfor %}
         ]
@@ -179,7 +179,7 @@ scrape_configs:
     metrics_path: '/management/prometheus'
     static_configs:
       - targets: [
-{% for host in server_group_iam | default([]) %}
+{% for host in server_group_names_iam | default([]) %}
           '{{ host }}.{{ domain }}:{{ monitor_port_service }}',
 {% endfor %}
         ]
@@ -198,7 +198,7 @@ scrape_configs:
     metrics_path: '/management/prometheus'
     static_configs:
       - targets: [
-{% for host in server_group_webdav | default([]) %}
+{% for host in server_group_names_webdav | default([]) %}
           '{{ host }}.{{ domain }}:{{ monitor_port_service }}',
 {% endfor %}
         ]
@@ -221,7 +221,7 @@ scrape_configs:
     metrics_path: '/metrics'
     static_configs:
       - targets: [
-{% for host in server_group_all | default([]) %}
+{% for host in server_group_names_all | default([]) %}
           '{{ host }}.{{ domain }}:{{ monitor_port_system }}',
 {% endfor %}
         ]
@@ -246,7 +246,7 @@ scrape_configs:
     metrics_path: '/metrics'
     static_configs:
       - targets: [
-{% for host in server_group_elastic | default([]) %}
+{% for host in server_group_names_elastic | default([]) %}
           '{{ host }}.{{ domain }}:9083',
 {% endfor %}
         ]
@@ -267,7 +267,7 @@ scrape_configs:
     metrics_path: '/metrics'
     static_configs:
       - targets: [
-{% for host in server_group_postgres | default([]) %}
+{% for host in server_group_names_postgres | default([]) %}
           '{{ host }}.{{ domain }}:9187',
 {% endfor %}
         ]

update-ssh-config-file.yml

@@ -0,0 +1,47 @@
+---
+
+# Parameters:
+#   playbook inventory
+#     stage := the type of the stage (e.g. dev, int, qa, prod)
+
+#############################################################
+#   Updating ssh config for servers with given stage
+#############################################################
+
+- hosts: localhost
+  connection: local
+  gather_facts: false
+
+  pre_tasks:
+    - name: "Check if ansible version is at least 2.10.x"
+      assert:
+        that:
+          - ansible_version.major >= 2
+          - ansible_version.minor >= 10
+        msg: "The ansible version has to be at least ({{ ansible_version.full }})"
+
+    - name: "Reading current server groups from hetzner"
+      include_role:
+        name: hcloud
+        tasks_from: _read_server_infos
+      with_items: [
+        {
+          name: "all",
+          label_selector: "stage={{ stage }}",
+        }
+      ]
+      loop_control:
+        loop_var: current_server_group
+
+  tasks:
+    - name: 'Insert/Update ssh config in ~/.ssh/config'
+      blockinfile:
+        marker: "# {mark} managed by ansible (hosts config for {{ stage }})"
+        path: '~/.ssh/config'
+        state: present
+        create: yes
+        block: |
+          {% for host in server_group_infos_all %}
+          Host {{ host.name }}
+            HostName {{ host.ip }}
+          {% endfor %}