MyAnsibleTemplate

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Preparation

• make the account for exec ssh $ useradd deploy_user $ usermod -G wheel deploy_user $ passwd deploy_user

• if use PasswordAuthentication

• modify target host's/etc/ssh/sshd_config => PasswordAuthentication no -> PasswordAuthentication yes
• add ansible.cfg => [defaults] ask_pass = True

• if use PortForwarding

• modify target host's/etc/ssh/sshd_config => #AllowAgentForwarding yes -> AllowAgentForwarding yes

• If you use AWS as infrastructure, you need plus $ sudo cp -arp /home/<ec2-user or centos>/.ssh /home/deploy_user/ $ sudo chown -R deploy_user /home/deploy_user/.ssh $ sudo visudo -f /etc/sudoers.d/cloud-init deploy_user ALL = (ALL) ALL #<- 追記

• Check this vars for your project vars/all.yml

Files

• Playbook file : site.yml
• Inventory files : deployment / production
• Config file : ansible.cfg
• under tasks always read the vars file, vars/all.yml
  • common
  • git
  • ruby
  • postgres

Check List

• target hosts in /site.yml
• target IP in Inventory files,　/developer or /production
• vars else in Var files, /vars/all, /vars/development or /vars/production
• secret vars (like password) in Var files, /secrets.yml
  • how to edit
    1. $ ansible-vault decrypt secrets.yml
    2. $ vi secrets.yml
    3. $ ansible-vault encrypt secrets.yml

How to use

• $ ansible-playbook site.yml -i development -vvvv
• $ ansible-playbook site.yml -i development -K -vvvv --ask-vault-pass

Config

• 対象ホストへのSSHユーザはdeploy_userとしています. 対象ホストにこのアカウントを作成してください.
• SSH秘密鍵名はid_rsaとしています. 実行ホストに$HOME/.ssh/id_rsa, 対象ホストに/home/deploy_user/.ssh/id_rsa.pubを用意してください. ※ ansible.cfgにて設定

Appendix

1. Select the inventory file with option -i $ ansible -i <Inventory file name> <hosts or groups name> ex. $ ansible -i development all -m ping $ ansible-playbook site.yml -i production

2. 対象ホストに指定ユーザを作成

• 設定したいパスワードのハッシュを作成
• ansibleでユーザ作成 $ ansible development web -m user -a "name=tomcat_user group=wheel password=xxxxxxxxxx shell=/bin/zsh createhome=no" $ ansible development hosts -m user -a "name=testuser group=wheel password=xxxxxxxxxx shell=/bin/bash createhome=yes"