Ansible kasutamine: erinevus redaktsioonide vahel
Allikas: Imre kasutab arvutit
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===Kasutamine=== |
===Kasutamine=== |
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+ | ====Üle võrgu arvutite käsundamine==== |
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+ | |||
+ | Üle võrgu arvutite käsundamiseks peab olema ansible arvuti ja kontrollitavate arvutite vahel usaldus nt ssh võtmete abil |
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+ | $ ssh imre@192.168.110.213 uptime |
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+ | 12:13:05 up 27 days, 9:09, 1 user, load average: 0.00, 0.00, 0.00 |
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+ | |||
+ | Seejärel sobib kasutada arvutite nimede (või ip aadresside) sisustatud tekstifaili (nn inventory fail) |
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+ | |||
+ | <pre> |
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+ | $ cat inventory |
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+ | [target] |
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+ | 192.168.110.213 |
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+ | </pre> |
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+ | ja nt sellist playbook yml faili |
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+ | |||
+ | <pre> |
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+ | $ cat playbook.yml |
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+ | --- |
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+ | - hosts: all |
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+ | tasks: |
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+ | - name: Hello World! |
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+ | command: "df -t ext4 -h -T" |
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+ | register: kasuvaljund |
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+ | |||
+ | - debug: msg="{{ kasuvaljund.stdout_lines }}" |
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+ | </pre> |
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+ | |||
+ | Ansible töötamine näeb välja nii |
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+ | |||
+ | <pre> |
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+ | $ /home/imre/.local/bin/ansible-playbook -i inventory playbook.yml |
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+ | PLAY [all] ********************************************************************************************************** |
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+ | |||
+ | TASK [Gathering Facts] ********************************************************************************************** |
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+ | ok: [192.168.110.213] |
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+ | |||
+ | TASK [Hello World!] ************************************************************************************************* |
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+ | changed: [192.168.110.213] |
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+ | |||
+ | TASK [debug] ******************************************************************************************************** |
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+ | ok: [192.168.110.213] => { |
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+ | "msg": [ |
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+ | "Filesystem Type Size Used Avail Use% Mounted on", |
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+ | "/dev/mapper/system-root ext4 5.5G 1.2G 4.1G 23% /", |
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+ | "/dev/vda1 ext4 464M 63M 373M 15% /boot" |
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+ | ] |
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+ | } |
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+ | |||
+ | PLAY RECAP ********************************************************************************************************** |
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+ | 192.168.110.213 : ok=3 changed=1 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 |
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+ | </pre> |
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TODO |
TODO |
Redaktsioon: 16. jaanuar 2022, kell 20:16
Sissejuhatus
TODO
Tööpõhimõte
TODO
Paigaldamine
Süsteemis peab olema python v. 3.8 või uuem ning pip, paigadamine toimub nt
# apt-get install python3 pip
Seejärel paigaldatakse tavakasutajana ansible tarkvara
# su - imre $ python3 -m pip install --user ansible
Tulemusena on ansible ise ja hulka tema teeke kasutatavad, nt
$ /home/imre/.local/bin/ansible --version ansible [core 2.12.1] config file = None configured module search path = ['/home/imre/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules'] ansible python module location = /home/imre/.local/lib/python3.8/site-packages/ansible ansible collection location = /home/imre/.ansible/collections:/usr/share/ansible/collections executable location = .local/bin/ansible python version = 3.8.10 (default, Nov 26 2021, 20:14:08) [GCC 9.3.0] jinja version = 3.0.3 libyaml = True
Kasutamine
Üle võrgu arvutite käsundamine
Üle võrgu arvutite käsundamiseks peab olema ansible arvuti ja kontrollitavate arvutite vahel usaldus nt ssh võtmete abil
$ ssh imre@192.168.110.213 uptime 12:13:05 up 27 days, 9:09, 1 user, load average: 0.00, 0.00, 0.00
Seejärel sobib kasutada arvutite nimede (või ip aadresside) sisustatud tekstifaili (nn inventory fail)
$ cat inventory [target] 192.168.110.213
ja nt sellist playbook yml faili
$ cat playbook.yml --- - hosts: all tasks: - name: Hello World! command: "df -t ext4 -h -T" register: kasuvaljund - debug: msg="{{ kasuvaljund.stdout_lines }}"
Ansible töötamine näeb välja nii
$ /home/imre/.local/bin/ansible-playbook -i inventory playbook.yml PLAY [all] ********************************************************************************************************** TASK [Gathering Facts] ********************************************************************************************** ok: [192.168.110.213] TASK [Hello World!] ************************************************************************************************* changed: [192.168.110.213] TASK [debug] ******************************************************************************************************** ok: [192.168.110.213] => { "msg": [ "Filesystem Type Size Used Avail Use% Mounted on", "/dev/mapper/system-root ext4 5.5G 1.2G 4.1G 23% /", "/dev/vda1 ext4 464M 63M 373M 15% /boot" ] } PLAY RECAP ********************************************************************************************************** 192.168.110.213 : ok=3 changed=1 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0
TODO
$ cat moraal.yml www-1a.moraal.ee www-1b.moraal.ee
$ ansible all -i moraal.yml --list-hosts hosts (2): www-1a.moraal.ee www-1b.moraal.ee