Hello,
I start this playbook install-mediawiki.yml, the first role is executed
without problems.
The second role has 4 tasks, executed fully the 2 first of them, but has
suddently an issue: the name of the node is not resolved anymore.
*I do not know why*.
I have installed ansible in a virtual python environment and
*defines the inventory so*:
(ansible2.7.10) user-ansible@node-manager:~$ cat inventaire.ini
[apache]
http2
[db]
bdd2
/etc/hosts in each node contains this:
(ansible2.7.10) user-ansible@node-manager:~$ cat /etc/hosts
…
192.168.0.103 http2
192.168.0.104 bdd2
*The SSH connexion works withe key*, the public keys are in the nodes…
*Here is a ping test:*
(ansible2.7.10) user-ansible@node-manager:~$ ansible -i inventaire.ini all
-m ping
bdd2 | SUCCESS => {
"changed": false,
"ping": "pong"
}
http2 | SUCCESS => {
"changed": false,
"ping": "pong"
}
*The playbook*:
(ansible2.7.10) user-ansible@node-manager:~$ cat install-mediawiki.yml
---
- name: "mediaWiki db configuration"
hosts: db
gather_facts: no
tags: [ "mariadb", "mysql" ]
roles:
- role: "mediawiki/confdb"
- name: "MediaWiki apache configuration"
hosts: apache
gather_facts: no
tags: "apache"
roles:
- role: "mediawiki/confapache"
*The role mediawiki/confapache/tasks/main.yml*:
(some informations about install.php
<https://www.mediawiki.org/wiki/Topic:Tnwigdax8a5vc9po>)
(ansible2.7.10) user-ansible@node-manager:~$ cat
roles/mediawiki/confapache/tasks/main.yml
# ~/roles/mediawiki/confapache/tasks/main.yml
---
#1. Creation of the directory Mediawiki
- name: "mediawiki directory"
file:
path: "{{mediawiki_directory}}" # => /var/www/html/mediawiki
owner: "apache"
group: "apache"
state: directory
#2. Unarchiving of the archive Mediawiki and change the name
- name: "uncompress mediawiki archive"
unarchive:
src: "{{mediawiki_archive_url}}" # => https://releases…
…/mediawiki/1.31/mediawiki-1.31.1.tar.gz
dest: "{{mediawiki_directory}}" # => /var/www/html/mediawiki
owner: "apache"
group: "apache"
remote_src: yes
# delete mediawiki-1.xx.x/ in the filesname
extra_opts: --transform=s/mediawiki-[0-9\.]*\///
#3. executes the task with the user apache, we move in the diectory
maintenance if
localsetting.php doesn't exist.
- name: "mediawiki configuration"
become: yes
become_user: "apache"
args:
creates: "{{mediawiki_directory}}/LocalSettings.php" # =>
/var/www/html/mediawiki/LocalSettings.php
chdir: "{{mediawiki_maintenance_directory}}" # =>
/var/www/html/mediawiki/maintenance (contient install.php
!!)
command:
php install.php --scriptpath /{{mediawiki_name}} --dbname mediawiki
--lang fr --dbuser {{mediawiki_db_user}} --dbpass {
{mediawiki_db_password}} --pass {{mediawiki_admin_password}} --dbserver
{{mediawiki_db_host}} {{mediawiki_title}} {{mediawi
ki_admin_user}}
run_once: yes
delegate_to: "{{item}}"
with_items: "{{groups.apache}}"
#4. executes this task with the user apache, we move to the directory
'maintenance' and execute a command to udate.
jour de la base une seule fois
- name: "mediawiki db update"
become: yes
become_user: "apache"
command: php update.php --quick
args:
chdir: "{{mediawiki_maintenance_directory}}" # =>
/var/www/html/mediawiki/maintenance (contient install.php
!!)
run_once: yes
register: resultat
changed_when: "' ...done.' in resultat.stdout"
*And then the issue*:
(ansible2.7.10) user-ansible@node-manager:~$ ansible-playbook -i
inventaire.ini --user user-ansible --become --ask-become-pass
--ask-vault-pass install-mediawiki.yml
SUDO password:
Vault password:
PLAY [mediaWiki db configuration]
*********************************************************************************************************************************************************************************************************************
TASK [mediawiki/confdb : mediawiki database]
**********************************************************************************************************************************************************************************************************
*ok: [bdd2] *
TASK [mediawiki/confdb : mediawiki user+privileges]
***************************************************************************************************************************************************************************************************
*ok: [bdd2] => (item=['http2']) *
PLAY [MediaWiki apache configuration]
*****************************************************************************************************************************************************************************************************************
TASK [mediawiki/confapache : mediawiki directory]
*****************************************************************************************************************************************************************************************************
*ok: [http2] *
TASK [mediawiki/confapache : uncompress mediawiki archive]
********************************************************************************************************************************************************************************************
*ok: [http2] *
TASK [mediawiki/confapache : mediawiki configuration]
*************************************************************************************************************************************************************************************************
failed: [http2] (item=['http2']) => {"item": "['http2']", "msg": "Failed to
connect to the host via ssh: ssh: Could not resolve hostname ['http2']:
Name or service not known", "unreachable": true}
fatal: [http2]: UNREACHABLE! => {"changed": false, "msg": "All items
completed", "results": [{"_ansible_ignore_errors": null,
"_ansible_item_label": "['http2']", "_ansible_item_result": true, "item":
"['http2']", "msg": "Failed to connect to the h
ost via ssh: ssh: Could not resolve hostname ['http2']: Name or service not
known", "unreachable": true}]}
NO MORE HOSTS LEFT
************************************************************************************************************************************************************************************************************************************
to retry, use: --limit @/home/user-ansible/install-mediawiki.retry
PLAY RECAP
********************************************************************************************************************************************************************************************************************************************
bdd2 : *ok=2* changed=0 unreachable=0
failed=0
*http2* : *ok=2* changed=0 unreachable=1 failed=0
*Why is the node http2 suddently unreachable, although it was reachable ?*
Thanks for your help.
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