Create swarm

hosts

@@ -8,13 +8,22 @@ gitea ansible_host=10.0.0.212 hypervisor=rack1 memory=1024 cpus=2
 [developer-machines]
 codydev ansible_host=10.0.0.207 hypervisor=rack2 memory=2048 cpus=2
 
+[swarm-bootstrap]
+swarm-manager-01 ansible_host=10.0.0.206 hypervisor=rack1 memory=2048 cpus=2
+
+[swarm-managers]
+swarm-manager-02 ansible_host=10.0.0.225 hypervisor=rack2 memory=2048 cpus=2
+swarm-manager-03 ansible_host=10.0.0.220 hypervisor=rack2 memory=2048 cpus=2
+
+[swarm-workers]
+swarm-worker-01 ansible_host=10.0.0.208 hypervisor=rack2 memory=2048 cpus=2
+swarm-worker-02 ansible_host=10.0.0.213 hypervisor=rack1 memory=2048 cpus=2
+swarm-worker-03 ansible_host=10.0.0.214 hypervisor=rack1 memory=2048 cpus=2
+
+
 [need-converted]
 #vpn ansible_host=10.0.0.203 hypervisor=rack1 memory=1024 cpus=2
 #haproxy ansible_host=10.0.0.205 hypervisor=rack2 memory=1024 cpus=2
-#swarm-manager-01 ansible_host=10.0.0.206 hypervisor=rack1 memory=2048 cpus=2
-#swarm-manager-02 ansible_host=10.0.0.225 hypervisor=rack2 memory=2048 cpus=2
-#swarm-manager-03 ansible_host=10.0.0.220 hypervisor=rack2 memory=2048 cpus=2
-#swarm-worker-01 ansible_host=10.0.0.208 hypervisor=rack2 memory=2048 cpus=2
 #registry ansible_host=10.0.0.221 hypervisor=rack1 memory=2048 cpus=2
 #wrestlingdev-test ansible_host=10.0.0.240 hypervisor=rack1 memory=2048 cpus=2
 #elk ansible_host=10.0.0.224 hypervisor=rack2 memory=4096 cpus=2

playbooks/site.yml

@@ -25,3 +25,45 @@
   serial: 100%
   tasks:
    - include: ../roles/developer-machine/tasks/main.yml
+
+- name: Initialize the swarm
+  hosts: swarm-bootstrap
+  user: root
+  gather_facts: true
+  serial: 100%
+  vars:
+    ansible_ssh_common_args: '-o StrictHostKeyChecking=no'
+  tasks:
+    - include_tasks: ../tasks/swarm-bootstrap.yml
+
+- name: Add additional managers to the swarm
+  hosts: swarm-managers
+  user: root
+  gather_facts: false
+  serial: 100%
+  vars:
+    ansible_ssh_common_args: '-o StrictHostKeyChecking=no'
+  vars:
+    join_addr:
+      "{{ hostvars[groups['swarm-bootstrap'][0]].ansible_eth0.ipv4.address }}"
+    manager_key:
+      "{{ hostvars[groups['swarm-bootstrap'][0]]['manager_key']['stdout'] }}"
+  tasks:
+    - include_tasks: ../tasks/swarm-manager.yml
+
+
+- name: Add workers to the swarm
+  hosts: swarm-workers
+  user: root
+  gather_facts: false
+  serial: 100%
+  vars:
+    ansible_ssh_common_args: '-o StrictHostKeyChecking=no'
+  vars:
+    join_addr:
+      "{{ hostvars[groups['swarm-bootstrap'][0]].ansible_eth0.ipv4.address }}"
+    worker_key:
+      "{{ hostvars[groups['swarm-bootstrap'][0]]['worker_key']['stdout'] }}"
+  tasks:
+    - include_tasks: ../tasks/swarm-worker.yml
+

tasks/swarm-bootstrap.yml

@@ -0,0 +1,22 @@
+---
+- name: Initialize swarm on the bootstrap manager
+  command: >
+    docker swarm init --advertise-addr "{{ ansible_eth0.ipv4.address }}"
+  register: docker_swarm_init
+  changed_when: docker_swarm_init.rc == 0
+  ignore_errors: true
+
+- name: Set manager key variable
+  command: docker swarm join-token -q manager
+  register: manager_key
+  changed_when: manager_key.rc == 0
+
+- name: Set worker key variable
+  command: docker swarm join-token -q worker
+  register: worker_key
+  changed_when: worker_key.rc == 0
+
+- name: Set work and manager key facts
+  set_fact:
+    manager_key: "{{ manager_key }}"
+    worker_key: "{{ worker_key }}"

tasks/swarm-manager.yml

@@ -0,0 +1,6 @@
+- name: Add swarm managers to the cluster
+      command: >
+          docker swarm join --token "{{ manager_key }}" "{{ join_addr }}":2377
+      register: docker_swarm_join
+      changed_when: docker_swarm_join.rc == 0
+      ignore_errors: true

tasks/swarm-worker.yml

@@ -0,0 +1,6 @@
+- name: Add swarm workers to the cluster
+      command: >
+          docker swarm join --token "{{ worker_key }}" "{{ join_addr }}":2377
+      register: docker_swarm_join
+      changed_when: docker_swarm_join.rc == 0
+      ignore_errors: true