terraform

docker swarm initialization

ansible/TODO.md

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+in traefik role: create docker overlay network

ansible/ansible.cfg

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+[defaults]
+roles_path=~/.ansible/roles:/usr/share/ansible/roles:/etc/ansible/roles:roles
+inventory=inventory
+interpreter_python=/usr/bin/python3
+remote_user = root
+
+[diff]
+always = True

ansible/inventory/group_vars/all.yml

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+data_directory_base: /mnt/data

ansible/inventory/host_vars/manager.yml

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+docker_node_labels:
+  - hostname: maestro
+    labels: {}
+  - hostname: worker1
+    labels: {}
+
+data_directories: []

ansible/inventory/host_vars/worker1.yml

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+data_directories: []

ansible/inventory/hosts.yml

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+all:
+  hosts:
+    manager:
+      ansible_host: maestro.dmz
+  children:
+    workers:
+      hosts:
+        worker1:
+          ansible_host: worker1.dmz

ansible/playbooks/setup.yml

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+---
+- name: Wait for Cloud-init to finish
+  hosts: all
+  gather_facts: no
+  roles:
+    - cloudinit_wait
+
+- name: Initialize Docker Swarm nodes
+  hosts: all
+  pre_tasks:
+    - name: Delete externally managed environment file
+      shell:
+        cmd: "rm /usr/lib/python*/EXTERNALLY-MANAGED"
+      register: rm
+      changed_when: "rm.rc == 0"
+      failed_when: "false"
+
+    - name: Create data directories
+      file:
+        state: directory
+        path: "{{ data_directory_base }}/{{ item }}"
+        recurse: true
+        mode: 0777
+      loop: "{{ data_directories }}"
+
+  roles:
+    - setup_apt
+    - docker
+
+- name: Setup Docker Swarm manager
+  hosts: manager
+  tasks:
+    - name: Install pip packages
+      pip:
+        name:
+          - jsondiff
+          - pyyaml
+
+    - name: Create Docker Swarm
+      docker_swarm:
+    
+    - name: Get Docker Swarm manager info
+      docker_swarm_info:
+        nodes: yes
+        nodes_filters:
+          name: manager
+      register: swarm_info
+
+- hosts: workers
+  tasks:
+    - name: Join Docker Swarm
+      docker_swarm:
+        state: join
+        join_token: "{{ hostvars.manager.swarm_info.swarm_facts.JoinTokens.Worker }}"
+        remote_addrs:
+          - "{{ hostvars.manager.ansible_default_ipv4.address }}"
+
+- hosts: manager
+  tasks:
+    - name: Add labels to Docker Swarm
+      docker_node:
+        hostname: "{{ item.hostname }}"
+        labels: "{{ item.labels }}"
+        labels_state: replace
+      loop: "{{ docker_node_labels }}"

ansible/requirements.yml

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+- name: setup_apt
+  src: https://github.com/sunscrapers/ansible-role-apt.git
+  scm: git
+- name: docker
+  src: https://git.pim.kunis.nl/pim/ansible-role-docker
+  scm: git
+- name: cloudinit_wait
+  src: https://git.pim.kunis.nl/pim/ansible-role-cloudinit-wait
+  scm: git