On 2/5/20 2:08 AM, Work-Hard wrote: > Hello, > Do you recommend Migrating playbook from ubuntu to amazon Linux 2 (as it uses > *yum instead of apt*). If so, how can I > check if missing add a package to a new instance to make sure it installs > python-apt*?* > *Ansible-Playbook*
If Amazon Linux2 is a RedHat based distribution (as the usage of yum suggests)
it makes no sense to
use python-apt as it caters to Debian based distributions.
Regards
Racke
> ---
> - hosts: amazonlinux2
> become: true
> any_errors_fatal: true
> serial: 1
> max_fail_percentage: 0
> vars:
> ansible_user: ec2-user
> tasks:
> # do an "apt-get update", to ensure latest package lists
> - name: apt-get update
> apt:
> update-cache: yes
> changed_when: 0
>
> # get a list of packages that have updates
> - name: get list of pending upgrades
> command: apt-get --simulate dist-upgrade
> args:
> warn: false # don't warn us about apt having its own plugin
> register: apt_simulate
> changed_when: 0
>
> - name: Update cache
> apt:
> update-cache: yes
> changed_when: false
>
> - name: Fetch package list of updates
> command: apt list --upgradable
> register: aptlist
>
> - set_fact:
> updates: "{{ aptlist.stdout_lines | difference(['Listing...'])
> | map('regex_replace', '^(.*?)/(.*)', '\\1') | list }}"
>
> - debug: var=updates
>
> # tell user about packages being updated
> - name: show pending updates
> debug:
> var: updates
> when: updates.0 is defined
>
> # comment this part in if you want to manually ack each server update
> - pause:
> when: updates.0 is defined
>
> # if a new kernel is incoming, remove old ones to avoid full /boot
> - name: apt-get autoremove
> command: apt-get -y autoremove
> args:
> warn: false
> when: '"Inst linux-image-" in apt_simulate.stdout'
> changed_when: 0
>
> # do the actual apt-get dist-upgrade
> - name: apt-get dist-upgrade
> apt:
> upgrade: dist # upgrade all packages to latest version
> register: upgrade_output
>
> # check if we need a reboot
> - name: check if reboot needed
> stat: path=/var/run/reboot-required
> register: file_reboot_required
>
> # "meta: end_play" aborts the rest of the tasks in the current «tasks:»
> # section, for the current webserver
> # "when:" clause ensures that the "meta: end_play" only triggers if the
> # current server does _not_ need a reboot
> - meta: end_play
> when: not file_reboot_required.stat.exists
>
> # because of the above meta/when we at this point know that the current
> # host needs a reboot
>
> # prompt for manual input before doing the actual reboot
> - name: Confirm reboot of ec2-user
> pause:
>
> - name: reboot node
> shell: sleep 2 && shutdown -r now "Reboot triggered by ansible"
> async: 1
> poll: 0
> ignore_errors: true
>
> # poll ssh port until we get a tcp connect
> - name: wait for node to finish booting
> become: false
> local_action: wait_for host=ec2-user
> port=22
> state=started
> delay=5
> timeout=600
>
> # give sshd time to start fully
> - name: wait for ssh to start fully
> pause:
> seconds: 15
>
> # wait a few minutes between hosts, unless we're on the last
> - name: waiting between hosts
> pause:
> minutes: 10
> when: inventory_hostname != ansible_play_hosts[-1]
>
> *
> *
> *Ansible-Output*
> PLAY [amazonlinux2]
> ******************************************************************************************************************************************
>
> TASK [Gathering Facts]
> ***************************************************************************************************************************************
> [WARNING]: Platform linux on host 10.11.12.13 is using the discovered Python
> interpreter at /usr/bin/python, but future
> installation of another Python
> interpreter could change this. See
> https://docs.ansible.com/ansible/2.9/reference_appendices/interpreter_discovery.html
> for more information.
>
> ok: [10.11.12.13]
>
> TASK [apt-get update]
> ****************************************************************************************************************************************
> [WARNING]: Updating cache and auto-installing *missing dependency: python-apt*
>
> fatal: [10.11.12.13]: FAILED! => {"changed": false, "cmd": "apt-get update",
> "msg": "[Errno 2] No such file or
> directory", "rc": 2}
>
> NO MORE HOSTS LEFT
> *******************************************************************************************************************************************
>
> NO MORE HOSTS LEFT
> *******************************************************************************************************************************************
>
> PLAY RECAP
> ***************************************************************************************************************************************************
> 10.11.12.13 : ok=1 changed=0 unreachable=0 failed=1
> skipped=0 rescued=0 ignored=0
>
>
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Debian and Sympa administration. Provisioning with Ansible.
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