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systemd-deploy.yaml
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---
- name: Build binaries
hosts: localhost
tasks:
- name: Build the Go application
ansible.builtin.shell: |
go get
mkdir -p {{ build_path }}
{{ service.prepare_command }}
go build -C {{ service.source_path }} -o {{ build_path }}/{{ stack_name }}__{{ service.service_name }}
changed_when: true
vars:
service: "{{ services[item] }}"
with_items:
- api
- metadata_fetcher
failed_when: build_result.rc != 0
register: build_result
- name: Deploy metadata_fetcher service on master nodes
vars:
service: "{{ services.metadata_fetcher }}"
service_name: "{{ stack_name }}__{{ service.service_name }}"
hosts: "{{ stack_name }}__master_nodes"
become: true
tasks:
- name: Copy service binary
ansible.builtin.copy:
src: "{{ build_path }}/{{ stack_name }}__{{ service.service_name }}"
dest: "{{ binary_path }}/{{ stack_name }}__{{ service.service_name }}"
mode: "0777"
force: true
- name: Create systemd service from template
ansible.builtin.template:
src: "ansible/systemd.service.j2"
dest: "{{ systemd_service_path }}/{{ service_name }}.service"
mode: "0644"
force: true
vars:
pg_dsn: "postgresql://{{ pg_master_user }}:{{ pg_master_password }}@localhost:5432/{{ pg_database }}?application_name={{ service_name }}"
start_cmd: "{{ service_name }} -pg {{ pg_dsn }} {{ service.additional_args }}"
- name: Restart and enable service
ansible.builtin.systemd:
name: "{{ service_name }}"
state: restarted
enabled: true
force: true
daemon_reload: true
throttle: 1
become: true
- name: Deploy api service on replica nodes
vars:
service: "{{ services.api }}"
service_name: "{{ stack_name }}__{{ service.service_name }}"
hosts: "{{ stack_name }}__replica_nodes"
become: true
tasks:
- name: Copy service binary
ansible.builtin.copy:
src: "{{ build_path }}/{{ stack_name }}__{{ service.service_name }}"
dest: "{{ binary_path }}/{{ stack_name }}__{{ service.service_name }}"
mode: "0777"
force: true
- name: Create systemd service from template
ansible.builtin.template:
src: "ansible/systemd.service.j2"
dest: "{{ systemd_service_path }}/{{ service_name }}.service"
mode: "0644"
force: true
vars:
pg_dsn: "postgresql://{{ pg_readonly_user }}:{{ pg_readonly_password }}@localhost:5432/{{ pg_database }}?application_name={{ service_name }}"
pg_master_dsn: "postgresql://{{ pg_master_user }}:{{ pg_master_password }}@{{ pg_master }}/{{ pg_database }}?application_name={{ service_name }}"
start_cmd: "{{ service_name }} -pg {{ pg_dsn }} -pg-master {{ pg_master_dsn }} {{ service.additional_args }}"
- name: Restart and enable service
ansible.builtin.systemd:
name: "{{ service_name }}"
state: restarted
enabled: true
force: true
daemon_reload: true
throttle: 1
become: true
# - name: Build Go application and deploy to remote hosts
# hosts: localhost
# vars:
# api_systemd_service_name: "{{application_name}}.service"
# metadata_fetcher_systemd_service_name: "{{application_name}}-metadata-fetcher.service"
# tasks:
# block:
# - name: Build the Go application
# ansible.builtin.shell: |
# go get
# mkdir -p build
# swag init
# go build -o build/{{ service_settings.api.binary }}
# go build -C utils/metadata-fetcher -o ../../build/{{ service_settings.metadata_fetcher.binary }}
# changed_when: true
# failed_when: false
# register: go_build_result
# - name: Check Go build result
# ansible.builtin.fail:
# msg: "Go build failed! {{ go_build_result }}"
# when: go_build_result.rc != 0
# - name: Copy the Go binary to remote hosts
# ansible.builtin.copy:
# src: "build/{{ go_binary }}"
# dest: "{{ go_binary_path }}/{{ go_binary }}"
# mode: "0777"
# force: true
# become: true
# delegate_to: "{{ item }}"
# with_items: "{{ remote_hosts }}"
# - name: Copy the Go binary to remote hosts
# ansible.builtin.copy:
# src: "build/{{ metadata_fetcher_binary }}"
# dest: "{{ go_binary_path }}/{{ metadata_fetcher_binary }}"
# mode: "0777"
# force: true
# become: true
# delegate_to: "{{ item }}"
# with_items: "{{ master_nodes }}"
# - name: Create systemd service from template if it doesn't exist
# ansible.builtin.template:
# src: "ansible/index_api.yaml.j2"
# dest: "{{ systemd_service_path }}/{{ systemd_service_name }}"
# mode: "0644"
# force: true
# become: true
# delegate_to: "{{ item }}"
# with_items: "{{ remote_hosts }}"
# - name: Create metadata fetcher systemd service from template if it doesn't exist
# ansible.builtin.template:
# src: "ansible/metadata_fetcher.yaml.j2"
# dest: "{{ systemd_service_path }}/{{ metadata_fetcher_systemd_service_name }}"
# mode: "0644"
# force: true
# become: true
# delegate_to: "{{ item }}"
# with_items: "{{ master_nodes }}"
# - name: Restart and enable the Go application service
# ansible.builtin.systemd:
# name: "{{ systemd_service_name }}"
# state: restarted
# enabled: true
# daemon_reload: true
# become: true
# throttle: 1
# delegate_to: "{{ item }}"
# with_items: "{{ remote_hosts }}"
# - name: Restart and enable the Go application service
# ansible.builtin.systemd:
# name: "{{ metadata_fetcher_systemd_service_name }}"
# state: restarted
# enabled: true
# daemon_reload: true
# become: true
# throttle: 1
# delegate_to: "{{ item }}"
# with_items: "{{ master_nodes }}"