Questions tagged [ansible-playbook]
Ansible playbooks are how ansible code is shared and reused.
475
questions
49
votes
3
answers
107k
views
Is there a way to check that a dictionary key is not defined in ansible task?
So in my code I have a task:
- name: cool task
shell: 'touch iamnotcool.txt'
when: me.cool is not defined
and my vars looks like:
---
me:
stumped: yes
So when I run the task it comes back with ...
- 743
41
votes
3
answers
88k
views
How to run multiple playbooks in order with Ansible?
I'm working on several Ansible playbooks to spin up a new server instance. There are approximately 15 different playbooks I need to run in a specific order to successfully spin up a server.
My ...
- 1,311
31
votes
7
answers
91k
views
Ansible: How to run one Task Host by Host?
On the play-level, we have serial: 1 to allow us to run the whole play one host at a time. But I haven't found a simple way to do this on a single task. This is especially relevant, if the task in ...
- 606
27
votes
4
answers
72k
views
Ansible: Is it possible to "cat file" and export it's output to screen while playing a playbook and not as debug?
I wrote a playbook which installs and configures Google Authenticator per user.
I want the last step of the playbook to cat the google_authenticator configuration file.
Using the "debug" module I am ...
- 10.9k
21
votes
6
answers
51k
views
How to destroy/delete/unset a variable value in Ansible?
Is there a way to destroy the variable in Ansible?
Actually, I have a {{version}} variable being used in my all roles for respective packages. When I run multiple roles, the version value of one role ...
- 395
19
votes
1
answer
51k
views
In ansible, how do I specify an exclusion set of hosts in a playbook?
With command line patterns, you can specify patterns like "all,!ntpservers" but I can't figure out how to specify this in a playbook. I'm regularly running into cases where I have to install a client ...
- 322
18
votes
2
answers
76k
views
Ansible conditionals - Wildcard match string
I have the following conditional in an Ansible task:
when: ec2_tag_Name == 'testhost01'
It works fine, however I would like to match a wildcard on the ec2_tag_Name field.
So something like this
...
- 2,307
18
votes
1
answer
10k
views
The value True (type bool) in a string field was converted to u'True' (type string)
I'm trying to follow parameters/examples, yet running into following WARNING message while executing Ansible'playbook:
TASK [apt (pre)] ****************************************************************...
- 13.5k
17
votes
3
answers
81k
views
ansible-playbook --limit more than one host?
For various reasons/limitations I cannot make new groups in the inventory file and need to use --limit/-l to specify the hosts.
I was told to do something like:
ansible-playbook -i /path/to/my/...
- 313
17
votes
1
answer
16k
views
Why is ansible notify not working?
I'm learning ansible and wrote simple playbook, but I don't understand or what I'm doing wrong that handler not working! Please, help me.
My playbook:
- hosts: HA
gather_facts: False
tasks:
-...
- 323
15
votes
2
answers
12k
views
Force Ansible to log off to refresh user groups
I'm setting up a server with Ansible and Docker. I'm currently learning both technologies, so please bear with me if I'm being overly stupid here.
In order to run run Docker commands, the user has to ...
- 305
11
votes
3
answers
34k
views
Rollback the changes in Ansible
Is there any method to rollback the changes in Ansible? Suppose my play book contains different plays like create 5 users,install 3 rpms, start the services. If I want to rollback a certain play how ...
- 135
11
votes
3
answers
21k
views
Use Ansible include_tasks with tags on the sub-tasks
Ansible 2.8.1
In my playbook tasks/ dir:
main.yml
dev.yml
In main.yml I have a block like this:
- include_tasks: dev.yml
when: ec2_tag_env == 'dev'
It works fine
However, if I try to call a ...
- 2,307
11
votes
1
answer
64k
views
Converting string to integer in Ansible Playbook
I am getting a count from powershell command and registering it on variable. I have to use that count in when condition. I have changed it to int before using it in when condition too.
Still that task ...
- 153
11
votes
2
answers
55k
views
Why does an `"[Errno 2] No such file or directory", "rc"` issue occur when Ansible is executed remotely?
Running:
- name: get vhosts
command: rabbitmqctl list_vhosts
register: vhosts
changed_when: false
by issuing
sudo ansible-playbook file.yml
results in:
TASK [030.sensu : get vhosts] ********...
- 6,015
11
votes
1
answer
2k
views
What is reasonable performance for a simple Ansible playbook against ~100 hosts?
We are starting to look at Ansible to replace an old cfengine2 installation. I have a simple playbook that:
copies a sudoers file
copies a templated resolv.conf (fed with group_vars and host_vars ...
- 396
9
votes
1
answer
21k
views
ansible run global variable
I want to create a cluster of servers, using ansible.
In one main-playbook, I include some sub-playbooks.
- include: playbook_commandserver.yml
- include: playbook_agent.yml
In the ...
- 227
9
votes
3
answers
32k
views
ansible display file content to stdout
I'm using ansible 2.9.3 and I'm having trouble trying to display the content of a file from the target machine, this is my playbook :
-
name: Display content of resolv.conf
hosts: jenkins
tasks:...
- 207
9
votes
1
answer
25k
views
Register ansible variable in multiple tasks
I'm using the following tasks in an ansible script that installs updates on various servers. These tasks are for CentOS machines:
- name: Check for outstanding reboot
shell: needs-restarting > /...
- 25.3k
8
votes
1
answer
73k
views
Extracting part of the string using Ansible regex_search and save the output as a variable
I'm having a content like below inside a file.
dataDir=/var/lib/zookeeper
4lw.commands.whitelist=mntr,conf,ruok,stat
syncLimit=2
I wanted to read the value for dataDir using Ansible and set it to a ...
- 213
8
votes
4
answers
18k
views
How to do mysql_secure_installation via ansible playbook?
I managed to install Apache Mysql/Mariadb and PHP using playbook. How can I do mysql_secure_installation using ansible?
I am a beginner in Ansible. I want to set a new password to MySQL server and ...
8
votes
3
answers
15k
views
What is the correct syntax of defining role dependencies in the meta/main.yml in Ansible?
meta/main.yml
dependencies:
- { role: 030.sensu-install }
results in:
[DEPRECATION WARNING]: The comma separated role spec format, use the
yaml/explicit format instead..
This feature will be ...
- 6,015
8
votes
5
answers
63k
views
Ansible task write to local log file
Using Ansible I would like to be able to write the sysout of a task running a command to a local(i.e. on the managed server) log file.
For the moment I can only do this using a task like this:
- name:...
- 528
7
votes
2
answers
18k
views
Tags not applied in Ansible included role
I created a simple Ansible playbook:
---
- hosts: all
tasks:
- name: Install Icinga2 on Windows
include_role:
name: my.icinga2.role
apply:
tags:
- ...
- 1,913
7
votes
2
answers
598
views
Ansible performance issues on a huge group
So, I have this host group, which consist of 35k VMs.
Aaaand I need to run a playbook over it.
If it does matter - playbook is just a call for community role for installing node_exporter.
But I'm ...
- 88
7
votes
5
answers
3k
views
Print Ansible header before executing a long running task
Context
I have an Ansible playbook that includes a very long task, up to one hour.
Very simplified, it looks like:
- hosts: localhost
tasks:
- name: Short task
debug:
msg: "I'm quick!"...
- 193
7
votes
1
answer
12k
views
Ansible same host on different groups with group_vars
I have an Ansible inventory like the following:
[group1]
host1.mydomain
[maingroup:children]
group1
[group2]
host1.mydomain
I need to declare the same host on different groups since in this host ...
- 528
7
votes
1
answer
12k
views
Is there any way to see the group_vars, host_vars, etc. available to a host in ansible?
So I just started a new company, and while familiarizing myself with the ansible repository, I was wondering if there's any way to see the variables that come from group_vars, host_vars and all that ...
- 743
6
votes
4
answers
24k
views
Ansible: "You need to install 'jmespath' prior to running json_query filter", but it is installed
I am using Ansible on top of Python3 and Enterprise Linux 8 (Rocky Linux 8).
When I try to use json_query, I am getting the following error:
fatal: [ansible]: FAILED! => {"msg": "You ...
- 131
6
votes
2
answers
1k
views
Best way to install security updates on amazon ECS instances
We're using Ansible to roll out security updates on all our EC2 instances which are running stateful services such as databases, search engines etc. This works fine.
I'm wondering what is the best ...
- 165
6
votes
1
answer
17k
views
Ansible how to get output as variable without brackets and u
I have the result of a query from ansible and I tried to use the result as a variable
My playbook is like this
- name: Query
oracle_sql:
username: "{{ user }}"
password: "{{ password }}"
...
- 71
5
votes
1
answer
11k
views
Creating an instance service file using an ansible template
I have been using ansible for a while to install and configure several services, but this is the first time I am trying to set up a service that can have multiple instances running at the same time. I'...
- 163
5
votes
1
answer
14k
views
Ansible split string on backslash
I'm passing a list of dir/subdirs into a playbook as follows:
dirs=['Web\this','Web\that','Web']
This works fine when I actually do tasks on those directories (win_shell, invoking a build process), ...
- 53
5
votes
2
answers
18k
views
Iterating through nested list / dictionary using Jinja2 templates
I'm trying to dynamically configure multiple NFS servers in my system by generating their /etc/exports files using Ansible. I'm hoping to be able to do this with a jinja2 template. It's the jinja2 ...
- 249
5
votes
2
answers
3k
views
Ansible: become twice
I'd like to run ansible such that:
remote user is 'normal' user
... who becomes root via sudo to run a bunch of tasks
... who 'becomes postgres user via su - postgres, from root, to create a ...
- 928
5
votes
1
answer
8k
views
Running an Ansible command in multiple docker containers
I need to run a command against multiple running containers. For example, let's say my app needs to run a data structure update against a database after receiving code updates. To do this, we want to ...
- 492
5
votes
1
answer
38k
views
Ansible backslash escaping in playbooks
How can you properly escape backslash in ansible playbooks?
I am trying to do a search and replace for the backslash in the password, but I am not even able to add backslash as a string in the ...
- 18.6k
5
votes
2
answers
1k
views
How to manage a modified copy of a file?
Following this answer, I want to make a copy of OpenSSL's configuration, with a specific set of changes. The original file is out of my control, so I can't make it a template.
At the moment I have:
-...
- 635
4
votes
2
answers
10k
views
How to split an ansible local_action in multiple lines
I have a local_action the I would like to split in multiple lines.
- name: Find geographical region of this server
local_action: uri url=http://locator/studio/{{ ansible_default_ipv4.address}} ...
- 18.6k
4
votes
2
answers
25k
views
Run Ansible task conditionally and fail if condition is not met
I am very new to Ansible and having an issue.
I want to run the module only if a condition is met but if the condition is failed, it should fail the task and report to user.
Currently what I have done,...
- 83
4
votes
2
answers
2k
views
Ansible command ignore creates
I use command module with creates on an ansible 2.9 role.
However, sometimes I need to ignore the creates arg and re-run the command multiple times.
Is there any way I can override the default ...
- 528
4
votes
1
answer
24k
views
How can i check software version with Ansible?
I have three linux servers and i created the ansible inventory file:
[web]
192.168.0.155
192.168.0.165
192.168.0.175
And i have playbook.yml:
---
- hosts: web
tasks:
- name: Check drinks ...
4
votes
1
answer
843
views
Can I overwrite, what `diff` means for a task?
With some file types, simple unified diff is not very helpful. One obvious example is binary files, but even certain ostensibly textual ones -- such as SSL-certificates (.pem) -- fall into this ...
- 2,411
4
votes
1
answer
16k
views
How to perform an action when a file is not present with Ansible?
I want to make a list of servers that don't have a particular file.
I made the following Ansible playbook:
- name: "If file not in /apps"
hosts: all
tasks:
- name: Find apps
...
- 51
4
votes
2
answers
20k
views
How to loop an array variable in Ansible
I have below task and I am failing to add the loop for the array variable.
ShopID is defined as an array inside group_vars. My aim is to call each variable one by one.
- name: Create directories with ...
- 55
4
votes
1
answer
7k
views
Add Static Route on Linux with Ansible
I would like to know if there's a module I can use to manage static routes on a Linux device (Ubuntu 18.04)
I have found this question: Add static route with Ansible
but this was asked almost 4 ...
- 120
4
votes
2
answers
5k
views
How do I report an Ansible command/shell task as changed in check mode?
In my Ansible playbook I have this:
- name: "A: Check to see if we need to run task B"
[... implementation omitted, not relevant ...]
register: task_a_result
check_mode: no # even run in check ...
- 3,624
4
votes
1
answer
6k
views
Returning python script value and using that in the ansible task
I am new to Ansible and a bit stuck.
I have a python script that returns true or false.
I run this python script via ansible task.
I am trying to debug the value returned by running the py script.
...
- 83
4
votes
1
answer
2k
views
How to notify a remote service using Ansible?
In order to let checks appear in Uchiwa when a new sensu-client is added, the sensu-server and sensu-api need to be restarted. At the moment there are 5 clients and one server. Everytime a new sensu-...
- 6,015
3
votes
1
answer
7k
views
List tags that exists in a playbook
I have a play that runs one or more roles. I would like to list available tags without parsing all the code. I am indeed experimenting some difficulties in remembering all the tags I put during ...
- 313
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