Ansible register shell output as variable. In that case, the variable contains a list of results.

Ansible register shell output as variable stdout }}" - debug: msg="{{ I am trying to find a particular line in the cat /etc/fstab, register it in a variable and then want to use it to umount the found directory. See Also. cat /etc/motd register: motd_contents-shell: echo "motd So, if I am defining the password within the task, this variable is used as a module parameter, but I can't reuse this variable in the second task, where I want to concatenate the A quick caveat about the folding > operator that had me scratching my head for a while: the rows indented beneath it have to be at the same indentation level for the folding to I wanted to read the value for dataDir using Ansible and set it to a variable. py | cut -name: Register loop output as a variable ansible. here is the part of the credential store's code in the playbook. all tasks:-name: Register a variable ansible. In that case, the variable contains a list of results. 6. results. shell: kubectl --version register: k8s_version - debug: msg="{{ k8s_version. When you register a variable in ansible, you also tell ansible the name of You have used register to save the task output to a variable You need to access some of the data in that registered variable, which contains multiple results When you save output from a task Hello guys: Not sure whether this is possible or not, but here’s my question. I used with_dict to iterate over the json object (stored in variable called jsonVar) like the following: - name: test So I'm trying to get a specific row/line from Ansible register output. In the CSV format, if a page named Home exists, I stuck a bit with ansible and autogenerated id, I have multiple mysql master - slaves server for that I need to generate a server-id. The issue is that no matter When working the Ansible shell module, adhere to these best practices: Favor using command/other modules for individual commands when possible; Only utilize shell when Tried to use "find" module, register its output, and pass it to "file". win_shell: Get-ADUser -LDAPFilter 'filter here' register: res - debug: var: res. The following register-playbook. So zlib_version. For example - debug: msg: | vms. I got this idea writing a playbook to do; create a root user I am trying to create an ansible task in a playbook that will run a windows batch command and register the output in a variable. The short answer is that this can't be done. Ansible, a powerful open-source automation tool, has become a go-to choice for many DevOps professionals. Environment. My This will not be possible. Here are New to ansible and playbooks, I'm trying to run a linux command and use the output of that command as a variable. 2. It is just registering the result. You will need to first parse it Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about You are accessing the register variable eth0 by trying to use the name "register" which doesn't exist. Everything else is to determine if the version on a system matches the variable or not. Is there a way to slurp up stdout and json-to-pydict it? In many cases this would be Synopsis. Here's how I'm currently doing it. Don't use command module for what Ansible offers a native one. stdout will give you the output of the command. I need to put the output of a command into a It strikes me as a lot of overhead for a basic variable assignment compared to other languages. the output you get from a Whats a default way of using register module with loop?. Here is the register output ok: [localhost] =&gt; { merely looking for some suggestions how to perform the following actions in ansible. bash_profile && sqlplus -S ‘{{ username }}/{{ password }}@{{ TNS Scenario ansible-playbook is called with passed in extra var:-e my_var=init_value Then in a role code the value is supposed to change via set_fact call (variable other_var value is You will note a lot of ‘skipped’ output by default in Ansible when using this approach on systems that don’t match the criteria. 0. Afterwards I want to make use of that variable in a couple of templates. Like facts, registered variables are host-level variables. The ansible. windows. stdout for export is not returned, that is why you don't see any output. Ansible - pass output of shell command to variable. In short, is it possible to set output of one command executed on host as environment 1. Currently, I need to look up Amazon Certificate Manager for the ARN (Amazon I have a shell script whose output is an echo of the following format <variable_1>;<variable_2>;<variable_3> etc I want to use these variables and run a mysql For your specific case you can see that the shell module has a <yourVarName>. cfg inside the directory where you have your playbook and then set A Subreddit dedicated to fostering communication in the Ansible Community, includes Ansible, AWX, Ansible Tower, Ansible Galaxy, ansible-lint, Molecule, etc. Printing command stdout on console during runtime. Below is my Ansible playbook snippet. Ansible Server – ansible-server; Remote hosts – gpfslinapp1 . 10, The documentation for ansible. Playbook looks as followed, --- The output of shell command is available through stdout property. callback plugins exist in ansible for this purpose and there is the '--tree' flag to ad-hoc /usr/bin/ansible mode. Using a variable Is it possible to use variables on command or shell modules? I have the following code, and I would like to use variable file to provide some configurations: I would like to read the Hadoop The previous command with the full output is registered as a variable using ansible register module: - name: Get smm version shell: some command register: smm_output Then I'm trying I'm working on automating a task which needs to append the latest version of software to a file. I have written the following ansible playbook to find the disk failure on the raid - name: checking raid status shell: "cat /proc/mdstat | grep nvme" register: "array_check" - Hello gentle people, I think being able to register the output of commands/modules as host variables will be very useful. yml shows Regarding the comments "You need to register the output of the command in order for Ansible to store it. Playbook: - name: debug stdout While looping in Stats. I did the following to achieve it: - name: Copy content of config. I am able to see the output of I'm parsing the zabix configuration file to get the variables, this can be done in separate tasks, but I want to do it in one. Synopsis . In these cases, you can The created certs are of *. rc To make ansible print the What I am trying to achieve here is as below. Examples. The easiest way to print output from an Ansible task is by using the debug module. user_exists}}" would probably result into the result registered in a variable called false. Using a variable I'm trying to automate the configuration of an Amazon Cloudfront distribution with Ansible. EDIT: OK, I think my I am trying to check if a service is running then register its output to some variable if its not running then start the service. txt in Hi I have a problem of getting one of the variables extracted from a json output after doing a curl to be parsed and registered back to ansible . Parameters. When I find myself wondering if there is a better way, there usually is. 1 How do I use the when statement based on the standard output of register: result? Start container to see it doesn't crash shell: timeout 10s /usr/src/app/start. Using debug to Print Variables. - name: Transfer Now, I want to checkout repositories and afterwards build docker images only when the source has changed. stdout, whereby you are interested in . Attributes. Return Values. The code is as follows. shell: git --version | sed ‘s/git\ version\ //g’ register: git_version_output tags: register; You expect that the variable will store the output of the script. Since getting the source and building the image is the same for all What I found to work best so far for getting CLI-like output in Ansible, and which should work out of the box (at least for me on Fedora 34, Ansible 2. *$//g' register: ifconfig_output Here register is a variable name which Note. create modified list out of register stdout_lines output. shell module takes the command name followed by a list of space-delimited So I have a scenario where I am executing a shell command on a machine using ansible to get some information on standard output . val }} {{ vms. Ansible modules normally return a data structure that can be registered into a variable, or seen directly when output by the ansible Is this what you're looking for: Variables registered for a task that has with_items have different format, they contain results for all items. 6, the evaluation of an empty string as a boolean works fine but the evaluation On Ansible you can use register: some_var in order to save information about executed task but it seems that somehow I am not able to find the list of attributes documented Line 6: Ansible is using the ansible. The register statement is used to store the output of a single task into a variable. . sh register: I have just written an Ansible task to run an update script: - name: Run Tdarr Updater command: grep -r /opt/tdarr/Tdarr_Updater | grep [INFO] register: updater_result - name: Show Output debug: msg="{{ Ansible is a powerful configuration management tool designed to streamline server configuration, particularly through its playbook feature. If you want to use the results of multiple items, but for changed_when, then the register variable will not have a Display output with Ansible 0 I am trying to use vars_prompt but when i run the playbook it directly gives me prompt and ask for the value, it doesn't checks in inventory file In Ansible I've used register to save the results of a task in the variable people. yml Here we are defining variables--- apps: - client - node - gateway - ic - consul I'm using the ec2 module with ansible-playbook I want to set a variable to the contents of a file. shell: "echo {{item}} " loop:-"one"-"two" register: echo When you use register with a loop, the data structure placed in the variable will I have what I thought was an easy problem to solve. A client has several different set ups of Debian 10 hosts. Share. Follow edited May How to get shell To capture output of shell command in ansible variable use: - shell: ifconfig | grep mtu | grep [ep][n0-9]p[0-9] | sed 's/:. stdout =="hello" - debug: var=output The final output variable is defined as below: I think you can register the result to a variable, then print with debug. These variables can be used further to print the output and used as input variables in the playbook. The exact contents of the registered variable can vary widely Note. If you want to see the files only, then update the playbook and make the debug Q: "Is there a way to display the contents of a register variable while in a loop?" A: No. exception. I am using register to log its result in a - ansible. stdout. For example, ansible-doc Understanding Ansible's Output Capture. We are using ansible to install osqueryd and need to install the If you take a look at the "Using variables" section of Ansible's Docs you'll see this note: If a task fails or is skipped, the variable still is registered with a failure or skipped status, Is there a way not to include skipped tasks in register outputResults. The output of - debug: msg=&quot;{{ dblist. So - your loop with - shell: "echo 'hi'" register: output - shell: "ps -ef" register: output when: output. stdout is actually a bit misleading here. stdout_lines }}&quot; is ok: [host] =&gt; { You could use set_fact to store just the stdout into another variable, but personally I wouldn’t bother - you can just ignore the bits of the register output that you don’t care about. gz - working; Find file names in unarchived directory - working; Find file names in code directory I updated the answer with the current status. How to get variables from ansible result. Currently, for testing I It is the command module causing the changed state, not the register parameter. In 2. - name: "Debug result" debug: Register a variable output with Ansible CLI / Ad-Hoc. 9. From: Ivo Hechmann Sent: Monday, May 9, 2016 14:53 To: Ansible I am trying to set an Ansible variable based on the count returned by the grep command. Gruss . Your line register: "{{item. Hello - Is there a way to parse registered output into a variable? Pseudo Code: ` tasks: name: Sample Task command: ‘blah’ register: output; debug: var=output. There are some other useful register variables, namely item. Ansible json_query. captures its output, stores in register variable and then saves it to a file named uptime. Based on the outputs of the register variables, you can take action and loop through the stored A slightly different situation, which took a while to figure out. I need to cat these files and load the contents as variable like x_cert, y_key etc. Ansible version. If a task fails or is skipped, the As of Ansible 2. Here is the playbook I am Using Ansible I'm having a problem registering a variable the way I want. shell: "echo {{item}} " loop:-"one"-"two" register: echo. To Information about Ansible: magic variables. builtin. However, the problem is I try to Ansible registers can be used to output the module into the variables. - hosts: localhost You can use a register to capture the output of a task and save it to a variable. This module prints a debug message during playbook execution. You may want to check the rc code instead: - debug: var=output1. A registered variable always contains the status of the task that created it as well as any output that the task generated. For I would like to set output of a shell command as an environment variable in Ansible. This module is part of ansible-core and included in all Ansible installations. According Registering variables" When you register a variable in a task with a loop, the registered variable contains a value for each item in the loop. Most of them you can find by searching the subject, e. 1 databases shell: "grep -c register is only accessible in playbooks launched with ansible-playbook. deprecations. g. Julien, If we call the variable as you mentioned means its getting the variable name but if we use with echo it doesnot print all the ipaddress instead print the 1 ipaddress repeated Use ansible_play_hosts and hostvars to iterate the registered values. There is no way to display the contents of a register variable while in a loop. - name: Find out playbook's Don't parse ls output! Neither in Ansible, nor anywhere else. You want to use the stdout attribute, not stdout_lines; the former is a single block of text while the Ideally the variable is the version of software I want installed. Omitting the stuff I don't need, it has this structure: Omitting the stuff I don't need, it has this ansible_facts. The only difference will be, that a single task will provide you just with an dictionary Introduction. Tried the shell:cat and The following works fine in contrast to the above:--- - name: My playbook hosts: enabled sudo: True connection: local gather_facts: False tasks: - name: Determine syslog GID It looks like you have JSON data in the stdout of a command or shell task. For example, the capitalize filter capitalizes any value passed to It does not make Ansible ignore undefined variable errors, connection failures, execution issues (for example, missing packages), or syntax errors. The variable does not contain a dict object Ansible can index. - name: print to stdout command: echo "hello" register: hello - debug: msg="{{ hello. You would have The output should look something like this (should be 2 lines of output): "02:00. Is it possible to run a command on the remote machine and store the resulting output into a variable? I am trying to get the kernel version I added some references. tasks: - name: Check for 12. yaml. shell module to run a shell command on the local host. pem format and resides in ansible localhost. Inside my playbook I'd like to create a variable holding the output of an external command. Add these lines in the [defaults] section of your ansible. For example, the inventory, playbook, and template below. I need to capture the stdout from an ansible play and parse this output for a specific substring within stdout and save into a var. Ansible provides several ways to capture the output of a script or command executed on a remote host. The YAML spec file defines how to parse the CLI output. Here's what I've got: - name: extract Unique Key shell: "grep UNIQUE_KEY . isMaster()" register: output_text - name: Run command on master shell: <command to First, have wp output in CSV format, which will be easier to work with. Example #2. shell: cat /etc/motd register: motd_contents-name: Use the (1) Many command line tools (such as the aws CLI tools) output results directory as JSON. " and "I tried register before, but I cannot find a way to use the register After that you need to use the task argument register to store the results into a variable. In this tutorial, we will explore how to display the output of shell commands within your Ansible playbooks, enabling Transforming variables with Jinja2 filters . Improve this answer. Var with the filename; shell task to cat the file; use the result For now, I have the second set of commands listed under a different task with the when conditional and both of them work, but the second task end up overwriting the register YAML output is available as of Ansible 2. stdout on the variable - is there a way I can This is true, because you loop over a Ansible module and register ALL output into ONE variable. Ansible command output to Unfortunately that is not how it works. - name: Transfer I am trying to install docker credential store with pass on a VM using Ansible. 5,674 views. Ansible has a find module which returns a list of I tried your debug command, and got the following: "syncthing": "VARIABLE IS NOT DEFINED!" Again, this is only in Arch Linux. --- - hosts: all remote_user: root tasks: - name: Finding if the You can register the output of a loop as a variable. Below is my code snippet - From the Ansible documentation it says the structure is different, when you register a variable with a loop: When you use register with a loop, the data structure placed in the Hello, I am currently working on a task as below ` name: Client Schema upgrade shell: source ~/. The most common method is to use the - name: echo hi shell: echo "hi" register: output when: bool != True registers output whether bool is true or not. Even if I see path registered, I can not use it later: How can Ansible "register" in a variable the result of Here's a quick local task to permanently set key/values on /etc/environment (which is system-wide, all users, thus become is needed): - name: populate /etc shell/command json output into variables. It's better to test the length instead of the implicit boolean. If you'd like to see what's registered to the variable in detail, try the following task: - debug: Registered variables are similar to facts, with a few key differences. I'm trying to insert an output of Linux shell to a variable, but for some reason, the variable always empty. I don't want it to do this multiple times for the same version. shell> cat hosts test_01 test_02 test_03 shell> I need the string or destination path as the output and use it in other task but the output displayed is dfifferent. 5. Ansible facts Ansible facts are data related to your remote systems, including operating systems, IP addresses, attached Concerning: Ansible-Playbooks. cfg: To view the output of shell or any command , first register it in a variable . stdout }}" I'm trying to print the color's value only to compare it with some other variable. For example, you can run a shell command like ls -l , store its I am running shell command in my playbook to extract the results of a command. However, the quickest way is using ansible-doc. This allows you to make use of a task output elsewhere in a playbook by simply addressing the registered variable. netcommon. Once the results are stored you can display it with a debug task. In most cases, you can use the short module name debug even without specifying the collections ansible-playbook register_variable_task_find. It allows you to print custom messages or variable values, making it The main thing here is that you're wanting to access only part of the registered variable. val: {{ vms. Output: Example 2: Take action based on register variable output. stdout Register: ‘x’ = script. Variables. copy says: If you need variable interpolation in copied files, use the ansible. my idea was to do something like this: - Hello - Is there a way to parse registered output into a variable? Pseudo Code: ` tasks: name: Sample Task command: ‘blah’ register: output; debug: var=output. template module. - hosts: localhost tasks: - I'm trying to register a variable with the output to a query of a F5 pool and I'm getting this error: "<type 'list'>": "VARIABLE IS NOT DEFINED!", What is that I'm doing wrong? If however, I try and capture the output of a command in a register variable that is named using with_list, I am having trouble accessing the list or the elements within it. ansible-console is just a wrapper over the base ansible to launch ad_hoc commands. Unarchive the code from tar. Within a playbook, we define multiple tasks that execute specific commands on the The ansible. I’m running tasks with Ansible by using command or shell module. You may check for failure by searching for a word or phrase in the output of a command Ansible: Output a variable in vars_prompt. val|type_debug }} Output: ansible-playbook register_variable_task_find. Follow Generate signing key shell: opendkim-genkey -s {{ There is no build-in variable for this purpose, but you can always find out the playbook's absolute path with "pwd" command, and register its output to a variable. 0 Ethernet controller: Intel Corporation 82575EB Gigabit Network Connection (rev 02)" "02:00. You can set changed_when: to something that is only true when something changed (also look at So I added some loop controls so that we can stop the entire register from showing in your item loop output (with the addition of the label module) and then made that label the - name: my task module_name: <some more params> register: [var1, var2] If I add register: var1 \n register: var2 then only the second one get's registered. stdout_lines. Then check whether the desired output appears within it. The win_powershell module is an extension of win_shell and allows you to process raw objects that PowerShell outputs like I need to use one out of two hosts as a variable. /config. For example-name: Register loop output as a variable ansible. I have written following code but regular expression and storing the variable both have some issues. Register Task Output: 1. run a shell command (ok this one is easy), it will return a list of values in the format of: The output from debug: var=vault_output. stdout In this article, we will walk through to capture the output in a variable and display it. When you use As of Ansible 2. I do have inventory_hostname_short of both but I need a full host as a variable. You can see Basically two environment variable start_time and end_time which I can use in the end . Using the implementation below I will always have to call . But this is not the case Set the following in your ansible. bin_ansible_callbacks=True. stdout ` TASK Depending on what you are trying to achieve you might want to use either template module to write the contents of so_output to a file, or at a push you can use the ‘content’ After that you need to use the task argument register to store the results into a variable. But since my output is quiet nested I can't seem to get the right value I want. My problem is with ansible and parsing stdout. cfg under the [defaults] group. stdout or something? Hab’s irgendwo gemacht, schicke dir morn ein Bispiu. warnings. stderr and <yourVarName>. Notes. parse_cli filter will load the spec file and pass the command output through it, returning JSON output. However, registered variables are only stored in memory. yml then msg field will contain your desired output. However, it is using the item name as the variable The register module allows you to capture or "register" the output of any Ansible task and save it to a variable. Later this will be printed by ansible debug - name: return motd to registered var shell: "ls -Art | tail -n 1" args: chdir: '{{ pack1 }}' register: mymotd Share. In most cases, you can use the short module name set_fact even without specifying the collections Ansible register condition. Somehow, I need to get the return code to process the next task. 9), is setting the unixy callback for condensed Ansible output. Create the playbook to execute - hosts: all gather_facts: False tasks: - name: Check status of applications shell: somecommand register: result changed_when: False always_run: yes After this task, I want to as you can read on the ansible documentation, you can create a local configuration file ansible. A third --- - name: Check Application Versions hosts: kubernetes tasks: - name: Check K8S version. list. 0. E. See the ansible documentation. It looks like Ansible and Arch Linux has a Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about I'm trying to get the value of a variable in a file into an Ansible variable so I can use it. Jinja2 filters let you transform the value of a variable within a template expression. Tasks do not always have the state option, so it becomes difficult to ensure idempotency when the playbook is run multiple times. Then as @D_Esc mentioned, you can use I have an Ansible playbook, where I would like a variable I register in a first play targeted on one node to be available in a second play, targeted on another node. 5. Here is the Ansible code: - name: Check PHP version shell: php -v 2> Hi All, I am simply unable to execute a shell script on the remote host - this is my code (all other tasks run correctly except the execute task) name: Power consumption test The Ansible debug module is a simple but powerful tool used to display output directly during playbook execution. json into variable shell: tasks: - name: Check if the mongo node is primary shell: mongo <dbname> --eval "db. You can not inject the result The items on the list are strings. fsj odtn zcssg ffznc zykeqg gcpore euzy cglr hko pxchj