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Digital Ocean cloud-init / cloud-config / droplet metadata usage
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| # | |
| #DO droplet metadata intro + for DO-API | |
| # [https://www.digitalocean.com/community/tutorials/an-introduction-to-droplet-metadata#how-to-retrieve-droplet-metadata#digitalocean-api] | |
| # | |
| #intro to cloud-config scripting (source of following examples) | |
| # [https://www.digitalocean.com/community/tutorials/an-introduction-to-cloud-config-scripting] | |
| # | |
| #howto | |
| # [https://www.digitalocean.com/community/tutorials/how-to-use-cloud-config-for-your-initial-server-setup] | |
| # | |
| #coreos cloud-config docs , validator | |
| # [https://coreos.com/os/docs/latest/cloud-config.html] | |
| # [https://coreos.com/validate/] | |
| # | |
| #see also examples directory inside Droplets | |
| # '/usr/share/doc/cloud-init/examples' | |
| #cloud-config | |
| write_files: | |
| - path: /test.txt | |
| content: | | |
| Here is a line. | |
| Another line is here. | |
| #cloud-config | |
| package_update: true | |
| #cloud-config | |
| package_upgrade: true | |
| #cloud-config | |
| packages: | |
| - package_1 | |
| - package_2 | |
| - [package_3, version_num] | |
| #cloud-config | |
| ssh_authorized_keys: | |
| - ssh_key_1 | |
| - ssh_key_2 | |
| #cloud-config | |
| manage-resolv-conf: true | |
| resolv_conf: | |
| nameservers: | |
| - 'first_nameserver' | |
| - 'second_nameserver' | |
| searchdomains: | |
| - first.domain.com | |
| - second.domain.com | |
| domain: domain.com | |
| options: | |
| option1: value1 | |
| option2: value2 | |
| option3: value3 | |
| #cloud-config | |
| ssh_keys: | |
| rsa_private: | | |
| -----BEGIN RSA PRIVATE KEY----- | |
| your_rsa_private_key | |
| -----END RSA PRIVATE KEY----- | |
| rsa_public: your_rsa_public_key | |
| #cloud-config | |
| ca-certs: | |
| remove-defaults: true | |
| trusted: | |
| - | | |
| -----BEGIN CERTIFICATE----- | |
| your_CA_cert | |
| -----END CERTIFICATE----- | |
| #cloud-config | |
| runcmd: | |
| - [ sed, -i, -e, 's/here/there/g', some_file] | |
| - echo "modified some_file" | |
| - [cat, some_file] | |
| #cloud-config | |
| power_state: | |
| timeout: 120 | |
| delay: "+5" | |
| message: Rebooting in five minutes. Please save your work. | |
| mode: reboot | |
| #--- | |
| #real example: [http://stackoverflow.com/questions/31214080/cloud-init-yaml-script-on-digital-ocean-droplets] | |
| #cloud-config | |
| users: | |
| - name: username | |
| - name: demo | |
| ssh-authorized-keys: | |
| - ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCv60WjxoM39LgPDbiW7ne3gu18q0NIVv0RE6rDLNal1quXZ3nqAlANpl5qmhDQ+GS/sOtygSG4/9aiOA4vXO54k1mHWL2irjuB9XbXr00+44vSd2q/vtXdGXhdSMTf4/XK17fjKSG/9y3yD6nml6q9XgQxx9Vf/IkaKdlK0hbC1ds0+8h83PTb9dF3L7hf3Ch/ghvj5++tWJFdFeG+VI7EDuKNA4zL8C5FdYYWFA88YAmM8ndjA5qCjZXIIeZvZ/z9Kpy6DL0QZ8T3NsxRKapEU3nyiIuEAmn8fbnosWcsovw0IS1Hz6HsjYo4bu/gA82LWt3sdRUBZ/7ZsVD3ELip [email protected] | |
| sudo: ['ALL=(ALL) NOPASSWD:ALL'] | |
| groups: sudo | |
| shell: /bin/bash | |
| runcmd: | |
| - sed -i -e '/^Port/s/^.*$/Port 4444/' /etc/ssh/sshd_config | |
| - sed -i -e '/^PermitRootLogin/s/^.*$/PermitRootLogin no/' /etc/ssh/sshd_config | |
| - sed -i -e '$aAllowUsers demo' /etc/ssh/sshd_config | |
| - restart ssh | |
| #API version: | |
| {"name": "your_droplet_name", | |
| "private_networking": true, | |
| "region": "nyc3", | |
| "size": "512mb", | |
| "image": "ubuntu-14-04-x64", | |
| "user-data": "#cloud-config | |
| users: | |
| - name: demo | |
| ssh-authorized-keys: | |
| - ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCv60WjxoM39LgPDbiW7ne3gu18q0NIVv0RE6rDLNal1quXZ3nqAlANpl5qmhDQ+GS/sOtygSG4/9aiOA4vXO54k1mHWL2irjuB9XbXr00+44vSd2q/vtXdGXhdSMTf4/XK17fjKSG/9y3yD6nml6q9XgQxx9Vf/IkaKdlK0hbC1ds0+8h83PTb9dF3L7hf3Ch/ghvj5++tWJFdFeG+VI7EDuKNA4zL8C5FdYYWFA88YAmM8ndjA5qCjZXIIeZvZ/z9Kpy6DL0QZ8T3NsxRKapEU3nyiIuEAmn8fbnosWcsovw0IS1Hz6HsjYo4bu/gA82LWt3sdRUBZ/7ZsVD3ELip [email protected] | |
| sudo: ['ALL=(ALL) NOPASSWD:ALL'] | |
| groups: sudo | |
| shell: /bin/bash | |
| runcmd: | |
| - sed -i -e '/^Port/s/^.*$/Port 4444/' /etc/ssh/sshd_config | |
| - sed -i -e '/^PermitRootLogin/s/^.*$/PermitRootLogin no/' /etc/ssh/sshd_config | |
| - sed -i -e '$aAllowUsers demo' /etc/ssh/sshd_config | |
| - restart ssh"} | |
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