/etc/ansible/hosts
命令行工具：https://docs.ansible.com/ansible/latest/cli/ansible.html
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| ansible -i hosts -u root -m command -a "/bin/echo hello"
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m 表示模块。a 表示 args，是模块的参数。
command 模块是默认的，可省略。
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| ansible -i hosts myall -u root -a "/bin/echo hello"
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1
| ansible-playbook -i hosts deploy.yml
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| - name: 0. BUILD
ansible.builtin.shell:
cmd: "/bin/bash control.sh build"
chdir: "{{ local_dir }}"
delegate_to: 127.0.0.1
run_once: True
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在本地执行，在原来的基础上加 delegate_to 就行。如果只需执行一次，则加上 run_once。
脚本
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| #!/bin/bash
# filename: run.sh
cmd=$1
ansible -i hosts target_group -u root -a "$cmd"
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bash run.sh ’echo “test”'
构建和获取
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| ---
- name: "build and fetch"
hosts: "build-host"
remote_user: root
become: True
gather_facts: False
tasks:
- name: 1. PULL AND BUILD
ansible.builtin.shell:
cmd: git pull; source ~/.profile; bash control build
chdir: "/usr/local/app-local-dir"
- name: 2. SLEEP
wait_for:
delay: 10
timeout: 0
- name: 3. FETCH
fetch: src={{ item.src }} dest={{ item.dest }} mode=0775 flat=true
with_items:
- {src: "/usr/local/app-remote-dir", dest: "deploy/local-dir"}
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部署
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| - name: "deploy"
hosts: "deploy-hosts"
remote_user: root
become: False
gather_facts: False
vars:
remote_dir: /usr/local/app-remote-dir
tasks:
- name: 1. UPLOAD
copy: src={{ item.src }} dest={{ item.dest }} mode=0775
with_items:
- {src: "deploy/app", dest: "{{ remote_dir }}"}
- name: 2. RESTART
shell: "cd {{ remote_dir }}; ./control restart"
- name: 3. SLEEP
wait_for:
delay: 3
timeout: 0
- name: 4. STATUS
ansible.builtin.shell:
cmd: ps aux | grep app | grep -v grep
register: out
- debug: var=out
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部署
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| ---
- name: "deploy"
hosts: "app"
remote_user: root
become: False
gather_facts: False
vars:
src_dir: /usr/local/app-remote-dir
remote_dir: /usr/local/app-remote-dir
remote_log_dir: /usr/local/app-remote-dir/log
backup_dir: files/backup
tasks:
- name: 0. BACKUP BIN
fetch:
src: "{{ remote_dir }}/app"
dest: "{{ backup_dir }}/app"
mode: 0775
flat: True
run_once: True
- name: 1. BACKUP CONFIG
fetch:
src: "{{ remote_dir }}/config.json"
dest: "{{ backup_dir }}/config.json.{{ inventory_hostname }}"
mode: 0775
flat: True
- name: 2. PULL AND BUILD
ansible.builtin.shell:
cmd: "git pull; /bin/bash scripts/control build"
chdir: "{{ src_dir }}"
delegate_to: 127.0.0.1
run_once: True
register: build_result
- debug:
var: build_result
run_once: True
- name: 3. ENSURE_REMOTE_DIR
file:
path: "{{ item }}"
state: directory
mode: 0740
loop:
- "{{ remote_dir }}"
- "{{ remote_log_dir }}"
- name: 4. UPLOAD
copy: src={{ item.src }} dest={{ item.dest }} mode=0775
with_items:
- {src: "{{ src_dir }}/app", dest: "{{ remote_dir }}"}
- {src: "{{ src_dir }}/scripts/control", dest: "{{ remote_dir }}"}
- {src: "config.json", dest: "{{ remote_dir }}"}
- name: 5. CONFIG
replace:
path: "{{ remote_dir }}/config.json"
regexp: "ADDR:8087"
replace: "{{ inventory_hostname }}:8087"
- name: 6. RESTART
ansible.builtin.shell:
cmd: ./control upgrade
chdir: "{{ remote_dir }}"
register: upgrade_status
- debug: var=upgrade_status
- name: 7. SLEEP
wait_for:
delay: 3
timeout: 0
- name: 8. STATUS
ansible.builtin.shell:
cmd: ./control status
chdir: "{{ remote_dir }}"
register: out
- debug: var=out
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