Here is a trivial ansible loop example in which each iteration runs 5 seconds after the previous one: - name: Print message ansible.builtin.debug: msg: " { { item }}" loop: - Hello - World loop_control: pause: 5. This too can be accomplished a few different ways depending on your requirements and environment. You can add any custom banner message to this file. Summary: This feature adds the optional parameter reverse: True to the include_tasks directive. A common use-case is to run a shell command on the remote host, return the STDOUT output, loop through it and parse it. Ordinarily, when you run an Ansible playbook, you get execution details printed on the terminal. Modifying our playbook a bit to display what is it trying to produce. Another good way is to use something like that: - name: Display all variables/facts known for a host debug: var: hostvars [inventory_hostname] tags: debug_info. Cheers ! Table of Contents. These messages are useful in alerting the team about technical debt or suboptimal code and should eventually refactor their code to use the . Create the playbook with the following contents. Note This module has a corresponding action plugin. Lastly, this plugin is compatible with ansible 2.8.5 or higher, using python 2.7, 3.5, or 3.6. Example 2: How to Broadcast Messages with Banner. This Ansible playbook example helps you execute actions only if you are on a certain distribution. And here could be more. You can set it to auto, which will be default in the future, so it will work oppositely. Usage of variable - {{Output}} This is what i have done: - name: display post install message debug: msg: | Things left to do: - enable dash to dock gnome plugin in gnome tweal tool - install SpaceVim plugins: vim "+call dein#install ()" +qa - git clone . msg − Displays the message. Sometimes you need to execute a shell command on remote host, but Ansible gives you an annoying warning, for example: > [WARNING]: Consider using service module rather than running service If it is a case when you absolutely need to use this command instead of running corresponding module, you can avoid getting this warning for the specific task with warn=false parameter. Useful for debugging together with the 'when:' directive. Goal: To allow a task file to be shared by a block and a rescue but to run the tasks in reverse order in rescue to achieve an undo. It can be useful for bailing out when a certain condition is met using when. There are a number of ways in which we can retrieve the values for the current date and timestamp. The name property defines the output that will be printed out when that task is about to be executed.. The shell module is potentially more dangerous than the command module (ok, nothing is really stopping you doing command: rm -rf --no-preserve-root ) and should only be used when you actually need shell functionality. In Ansible playbooks, it is often a good practice to test if a variable exists and what is its value. Step 4: Run the login command. Use "register" to store the output to a variable. debug: msg: " { { msg.split ('\n') }}" It splits the message up into an array and debug prints each . Print All Host Names. The reason lies in the fact that ansible generate a json formatted output, the registered variable first try to capture all the values. Ansible will record the current date and time in the variable "ansible_date_time". A job template is a definition and set of parameters for running an Ansible job. Ansible debug module is used to print the message in the log output. Show activity on this post. Modifying our playbook a bit to display what is it trying to produce. Using Ansible when with command module. Ansible playbook setup to query VM information in Azure. It will produce this output. Add the following banner sample message and save the file. This idea has been submitted as Reversible include_tasks . List Ansible Variables. register − The output of the action is registered using the register keyword and Output is the variable name which holds the action output. Example #1. 2. Ansible must be made aware of the new module path. The ansible ad-hoc command to invoke the ansible setup module is given below. In your preferred code editor, create a YAML file in the ~/ansible_when_condition_demo directory. Eg. Executing this task is going to dump all your variables. And then dumping the output as json, where you have to query accordingly for your result. Step 2: Create local azure-cli repository information. LinkedIn. Installing Azure CLI on Linux. So, add these two variables to the GitHub Actions step in the env: - name: Run Molecule tests. Example 3: How to Broadcast Messages without Banner. Step 1: Import the Microsoft repository key. To display Welcome or Warning message for SSH users before login. The common return values are documented in Ansible docs. Useful wall command examples on Linux. Ansible 2.5 added an XML parsing filter that use XPath expressions to extract data from XML documents returned by devices that cannot produce JSON output (example: Nexus OS) and don't have Ansible network modules (like junos_command) that would do automatic XML parsing.. Here is a example below: Raw. And then dumping the output as json, where you have to query accordingly for your result. The loop keyword is usually used to create simple and standard loops that iterate through several items. Ansible will record the current date and time in the variable "ansible_date_time". This answer is not useful. If there weren't any errors you can navigate to a new screen or show a pop up or a modal with the success message. This forces Molecule to generate colorized output, but not Ansible. Raw. These playbooks relay instructions to remote servers and allow them to execute predefined tasks. In the following example, I will show you how to find the status of httpd. Author: Gabor Szabo Gábor who writes the articles of the Code Maven site offers courses in in the subjects that are discussed on this web site.. Gábor helps companies set up test automation, CI/CD Continuous Integration and Continuous Deployment and other DevOps related systems. In this sample playbook ansible-blocks-2.yml we have created two tasks inside the block wherein one task will pass while the other is expected to fail. I will start the httpd and I will see the status and I will store the status . And, of course, you can jinja as you want to write a lengthy messages, you can print files (cat), show output for other utilities (echo reg.stdout > /dev/tty), etc. In this example, the file is called my_playbook.yml.Copy and paste the YAML playbook contents below to the my_playbook.yml file.. They describe a set of steps in a general IT process or a policy for your remote systems to enforce. Share Improve this answer answered Jun 10, 2015 at 10:16 yaegashi 11.4k 1 33 40 You can reboot a Linux or Unix based machine, wait for it to go down (say for kernel update), come back . The message is nothing but any variable values or output of any task. This can be done by judicious use of one of the Ansible callback plugins. I have the following playbook: --- - name: Find sudo mit PPID 1 hosts: solaris become: true tasks: - shell: "pgrep -P1 -x sudo | xargs -n1 ptree" register: result - debug: var=result.stdout_lines. The reason lies in the fact that ansible generate a json formatted output, the registered variable first try to capture all the values. Particularity this helps to avoid different "VARIABLE IS NOT DEFINED" errors in Ansible playbooks. $ sudo apt install software-properties-common. ¶. Job templates are useful to execute the same job many times. - name: get list of . How to reboot Linux server with Ansible? The utility comes with the standard Ansible package and provides the user with a simple interface to the Ansible Galaxy's services. # vi /etc/issue.net. In the example playbook, the first task (Checking if a file exists) uses the stat module to retrieve facts about the test.txt file located in /home/example_folder on the remote host.It records these facts in a register called file_data.. 2. The most convenient way I found to print multi-line text with debug is: - name: Print several lines of text vars: msg: | This is the first line. In this context there are several useful tests that you can apply using Jinja2 filters in Ansible.. Patch (DataSource, Record); If (IsEmpty (Errors (IceCream, EditRecord)), <Show Success Message>, <Show failure message>) You can find a similar scenario as yours on the page . Command line parameter: ansible-playbook --module-path [path] 2a. 2. We can also use the conditional along with the command/shell module to change the flow of execution. Job Templates. In this article, i'll show the examples of how to test a variable in Ansible: if it . my question is how do i make the debug msg to … Down-side: The need for more complicated when: conditionals. shell> ansible-galaxy role info vbotka.ansible_runner. For example, we can take advantage of the facts that Ansible gathers at the beginning of each playbook. - name: get list of . 3. We use issue.net file to display a banner massages. When templating files with {{ ansible_managed }} inside the template, the file is considered changed every time ansible runs because the default ansible_managed contains a timestamp that always changes (and other bits that often change, i.e. assert module loops through all the mounts under "ansible_mounts" and asserts if the size available is 30%. You can execute this playbook using the ansible-playbook command: [root@controller playbooks]# ansible-playbook HelloWorld.yml PLAY [This is a hello . Ensure that "gpfslinapp1" host in the inventory file . After every new login to the system the message will be spawned. There seems no way to change the normal output from ansible-playbook. For example, take a look at the current status of the role. Run the playbook to see the result. Summary. In order to print nothing to the screen, you can use the null callback: This callback prevents outputing events to screen. The Templates menu opens a list of the job templates that are currently available. # get-timestamp-fact.yml --- - name: Uses ansible_date_time . It works OK as long as the command gives stdout. Playbooks consist of one or more plays run in a particular order. This module is also supported for Windows targets. However . To print a message from Ansible playbook, as well as a value of a variable, we can use Ansible debug module. Example Ansible Version Now the updated playbook with rescue and always with the debug module will look something like this, --- - name: exception handling in ansible hosts: web become: true tasks: - name: install and start the apache2 service block: - name: install apache2 apt: name: apache2 update_cache: true state: present - name: enable and restart the apache2 . 1. Your second task could have been written to use: - name: use shell to print list of file paths. Step 3: Install azure-cli package. if the space is >= 30% the assert module reports true if less assert module fails with a message but i have added ignored errors to yes so the my next debug task runs and displays the message. You can change the current message by editing the file /etc/motd using a text editor such as vi or vim. Using shell instead of command. Example 4: How to Broadcast Messages from a File. Using Ansible To Display Message When Logged In April 9, 2020 / Chuan Chuan Law / 0 Comments — - name: Modify issue.net to include your message copy: src: issue.net dest: /etc/issue.net group: root owner: root . Ansible 101 - Disable warning messages. I need to reboot the VM or bare metal Linux machine/server using Ansible and wait for it to come back, but it does not work with playbook as descried here. The info.j2 template file. The below example is trying to shut down the system when the date - taken from an ansible fact - is 09. tasks:-name: "Ansible command when example " command: shutdown when: ansible_date_time.day . PY_COLORS: This is a somewhat standard way to tell Python-based tools to force color output, even without TTY. All we have to do is to use the pause directive inside the loop_control section. Gabor can help your team improve the development speed and reduce the risk of bugs. And, of course, you can jinja as you want to write a lengthy messages, you can print files (cat), show output for other utilities (echo reg.stdout > /dev/tty), etc. If you are interested in Ansible performance tunning as well, take a look here: Tuning Ansible For Maximum Performance. To print a customized message on the screen, Write a playbook like below: Code:---name: This will print customized message hosts: all tasks: name: Here we use Ansible debug module to print some customized message debug: msg: "This is machine is {{ ansible_hostname }} with IP {{ ansible_default_ipv4.address }}" Output: You can then use the value of these registers for different scenarios like a conditional statement, logging etc. Let's create a templates directory to keep thing cleaner and more organized: [elliot@control plays]$ mkdir templates [elliot@control plays]$ cd templates/. Ansible, Ubuntu. To suppress the deprecation and fallback warning use auto_legacy_silent or . You can also notice we are using "msg . You have a few options. This displays the output in JSON format as shown: # ansible -m setup localhost. For example, we can take advantage of the facts that Ansible gathers at the beginning of each playbook. Now create your first Jinja2 template with the name . Ansible will look for jinja2 template files in your project directory or in a directory named templates under your project directory. # vi /etc/motd This is a test message and it will be shown every time a user logs on. I resorted to 'png-output' as . With Ansible, you can manage remote servers by using playbooks. Most of the time the ansible returned error messages would not justify their own purpose of conveying the message on what went wrong as it would be too vague. That pulls the `stdout_lines` attribute out into a list of `stdout . This is a special Ansible keyword which refers to the current item in the loop. by Ansible admin. This is called idempotency. You can also run an Ansible playbook with the --check option and verify what the playbook would change if it were run so . You might have a mixed environment with CentOS and Debian and when using Ansible to execute actions on nodes you don't need to run Yum on Debian, or Apt on CentOS. In both tasks below (Task-1 and Task-2), the when conditions check which operating system every remote host is on.The result is then passed to the ansible_os_family . Execute the playbook and see the available date & time formats. 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 to display it using (which displays the full output): - debug: msg: "{{ smm_output }}" If I'm using msg: "{{ smm_output.results.stdout_lines }}" it returns error The variables will contain the value returned by the task. This module is also supported for Windows targets. $ sudo apt upgrade. 14,855 Views. In general skipping adoptopenjdk and jenkins as per all of the examples above will be all that's needed - those tags are in place for all roles that will probe problematic on a non-AdoptOpenJDK owned machine. 1. If you can't get the structured data from your device, can't use NAPALM or NTC-Ansible and don . The preferred method is to update the Ansible configuration with the module path. If . Note This module has a corresponding action plugin. Skipping one or more tags via CLI when running Ansible playbooks. The loop keyword was recently added to Ansible 2.5. You can create a playbook, and if correctly written, it always yields the same state no matter how many times you run it. Unfortunately, there is no warning module in Ansible. Sometimes you need to execute a shell command on remote host, but Ansible gives you an annoying warning, for example: > [WARNING]: Consider using service module rather than running service If it is a case when you absolutely need to use this command instead of running corresponding module, you can avoid getting this warning for the specific task with warn=false parameter. ANSIBLE_FORCE_COLOR: This forces Ansible to generate colorized output. In the below example, we try to find the .txt files on remote nodes and capture the output in a variable, then will display that variable find_output. What is so fun in displaying the built-in default error messages like "the command is wrong" or "the variable is undefined". Powermax "array display name" in Ansible I don't see any way to pull the display name with Ansible, like what is shown in Unisphere. Ansible registers are used when you want to capture the output of a task to a variable. The action again is a Ansible keyword used in yaml. This module prints statements during execution and can be useful for debugging variables or expressions without necessarily halting the playbook. Parameters Attributes Attribute Support Option is: merge the line into the report of the task running. The with_* keyword is used with a number of lookup plugins when iterating through values. Last login: Wed Sep 26 13:47:27 2012 This is a test . It nests all of the results inside of a `results` key. Fortunately, we can construct something as eye-catchy as warning should be. Bookmark this question. Next add ppa:ansible/ansible to your system's Software Source: Message 2 of 9. 5. A play is an ordered set of tasks run . Lookup plugins enable Ansible to access information from external sources such as external data . These include the name of the play and task and a play recap indicating if the playbook has made any changes on the managed host or remote system But, suppose you want to print the command output of the command being executed on the remote target. The most convenient way how to install an Ansible role is to use Ansible Galaxy CLI ansible-galaxy. In the following examples I will show how to use debug module to print variable values, and print variables values with by adding some extra strings and printing variable with stdout. I want to display a banner message in Ansible after completion of running a playbook, giving instructions for next steps. # get-timestamp-fact.yml --- - name: Uses ansible_date_time . Copy. This playbook is designed to create the file /tmp/testfile.txt on the client ansibleclient01.local using ansible's copy module. always − Again a Ansible keyword , it states that below will always be executed. ansible <hostname (or) hostgroup> -m setup The Execution output the setup module is given below Ansible Facts List or Index Here is the list of facts would be returned when you run the ansible hostgroup -m setup command against any host group. shell: "echo { { item }}" with_items: " { { files.results|map (attribute='stdout_lines')|list }}" That would do it for you. 19. To capture output of the command in ansible i use "shell" module. An Ansible playbook is a file where users write Ansible code, an organized collection of scripts defining the work of a server configuration. --- - hosts: all become: yes tasks: - name: Execute /boot usage on Hosts command: 'df -h /boot' register: dfboot. In the above output, we could see the assignment " variables: values ". 2. For example, the playbook below restarts the apache service and displays a message to the user.---- hosts: all become: true tasks: - name: "restart apache" service: name: apache2 state: restarted notify: . The get_info.yml playbook. Lastly we also have an always block which will be called independent of the task execution status which can be used to give something like SUMMARY or anything as per your requirement.. It was print out before running the task, that means, there is no "skipped" status yet while print the "TASK" line. I have included an example below that I believe demonstrates the feature idea, and the potential implementation using the callback plugin. Type the following apt-get command or apt command: $ sudo apt update. Parameters Attributes See Also See also ansible.builtin.assert However, if the command gives ERROR message, it creates empty file. The command ansible-playbook quotes the standard output of the command in JSON syntax: How do I reboot and wait for reboot to complete in Ansible playbook for multiple Linux servers? It allow you to upload Ubuntu source packages to be built and published as an apt repository by Launchpad. Worst Case: Use a Hack. Ansible is a great tool for configuring servers to the state you desire. In the examples below i am showing how to print particular Ansible variables and how to list all known facts and variables from Ansible playbook. Set the relevant configuration in your ansible.cfg file. However TASK is still displayed on the console. This is the second line with a variable like { { inventory_hostname }}. Synopsis This module fails the progress with a custom message. Example 1: How to Check wall command version. You have no way to hide the TASK line on the console. Ansible is an Infrastructure as Code tool that lets you manage and monitor a number of remote servers by using a single control node. Some package names are different and such, so this helps you with an only if . So if you're not stringing two commands together (using pipes or even just && or ; ), you don . Ansible register variable or ansible register module is used to capture or store the output of the command or task. Example 5: How to Broadcast Multi Line messages using wall command. You can also notice we are using "msg . We will create playbooks and run Ansible commands on the ansible-controller node and manage the information from remote hosts for executed tasks. But you can generate additional output by using callback plugins. while running the ansible-playbook. Open the following file with VI editor. --- - hosts: localhost become: no gather_facts: yes tasks: - name: Display the availble timestamp format in Ansible debug: var=ansible_date_time. Starting in Ansible 2.9 with the community.general collection, it is possible to use jc . Job templates also encourage the reuse of Ansible playbook content and collaboration between teams. Debug Ansible Playbook by Printing Variables Print a variable: The example task invokes the debug module, which allows you to display . In which case the rescue block will be executed followed by . Show activity on this post. Ansible is a popular automation framework that allows you to configure any number of remote hosts in a declarative and idempotent way. The second task (Report if a file exists) uses the debug module to display a message.It checks the file_data register and uses the exists value as a . Ansible introduced callback plugins a while ago, but I just noticed there's a new YAML callback plugin introduced with Ansible 2.5—meaning any machine running Ansible 2.5.0 or later can automatically start using this wonderfully-optimized-for-humans format, without you needing to install a custom plugin on the machine, or include it with all . There are a number of ways in which we can retrieve the values for the current date and timestamp. Previous post DevOpsDays NYC 2020 By using the register module, you can store that output into any variable. Display SSH Warning Message to Users Before Login. When running ansible or ansible-playbook commands you might encounter bright pink warning messages, perhaps stating a specific module has been deprecated. You might be able to write a plugin to get your own output, while the normal output totally suppressed by redirecting it to /dev/null. Running ansible --version will display your Ansible configuration folder that contains the hosts file you can modify. You can also configure an ansible handler to display a message instead of taking actions such as restarting services. Using the Ansible loops keyword, we can iterate through each top level object (host) and print out any property, one at a time.. Let's extend the playbook to loop through and print each hostname value.. Notice the use of the item keyword. To get a list of all the Ansible variables, use the setup module in the Ansible ad-hoc command as shown below: # ansible -m setup hostname. You can think of this playbook as a script that you can execute. when deploying from different machines/users). executing: systemctl status iptables on the system without "iptables.service" installed should display: "Unit iptables.service could not be found". Since Ansible 2.8, the default value ansible_python_interpreter is auto_legacy, which means that it will prefer /usr/bin/python (if it exists) over the discovered Python version. hosts: all tasks:-name: Print message debug: msg: Hello Ansible World Tasks are defined as a list under the name tasks inside a play, at the same level as the hosts directive that defines the targets for that play. I would like to be able to display the nice name on a dashboard, but the only array identifier I can get is serial number. Create the playbook to execute the "df" command to check the /boot usage. Of bugs - - name: run Molecule tests your remote systems to enforce command... More tags via CLI when running Ansible playbooks using callback plugins the command/shell module to change the flow execution! Use & quot ; msg CLI when running Ansible playbooks ; variable is NOT DEFINED & ;!, it states that below will always be executed to change the flow of execution wait for reboot to in... Your variables done by judicious use of one or more plays run in general. Are interested in Ansible docs SSH users before login which refers to the GitHub Actions in. < /a > Bookmark this question fallback warning use auto_legacy_silent or Actions step in variable. Can think of this playbook as a script that you can use conditional...: //github.com/Dadan2/openjdk-infrastructure/blob/master/ansible/README.md '' > Ansible register | Guide to How Ansible register | Guide to Ansible! And Timestamp variable in Ansible playbook... < /a > 5 2.8.5 or higher using... Debugging together with the name //stackoverflow.com/questions/42877391/display-banner-message-in-ansible '' > display banner message in Ansible playbook content collaboration... Using python 2.7, 3.5, or 3.6 when that task is about to be executed followed by judicious of! 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Png-Output & # x27 ; directive amp ; time formats invoke the Ansible setup module is given below list...: Uses ansible_date_time your first Jinja2 template with the module path ; variable is NOT DEFINED & quot.., take a look at the beginning of each playbook Multi line messages using wall command will always be.! Invoke the Ansible callback plugins context there are several useful tests that you can think of this playbook a. Using python 2.7, 3.5, or 3.6 and reduce the risk bugs! Stdout_Lines ` attribute out into a list of ` stdout before login an only if Ansible command. Or output of the task the team about technical debt or suboptimal code and eventually! Be done by judicious use of one or more tags via CLI when running Ansible playbooks fortunately, can... Env: - name: Uses ansible_date_time package names are different and such, it! //Raymii.Org/S/Tutorials/Ansible_-_Only_If_On_Specific_Distribution_Or_Distribution_Version.Html '' > How to Broadcast messages from a file loops that iterate through items. Current status of httpd method is to update the Ansible setup module is given below the for! Which holds the action output is registered using the register keyword and output is the variable quot! The community.general collection, it states that below will always be executed followed by can that! Actions step in the future, so this helps you with an only ansible display message that below will be! Where you have no way to hide the task encounter bright pink warning messages, perhaps a! Module has been deprecated which allows you to display a banner message in Ansible should eventually refactor code. > 2 are useful to execute predefined tasks Wed Sep 26 13:47:27 2012 this is variable! Will start the httpd and i will store the output of any task change the flow of.! Take advantage of the facts that Ansible gathers at the beginning of each playbook for more complicated when &... Broadcast Multi line messages using wall command above output, we could see the assignment quot... Useful for bailing out when that task is about to be executed followed.... After completion of running a playbook, giving instructions for next steps generate additional by... What the playbook and see the status of httpd displays the output of a to. Be executed the conditional along with the module path and allow them to execute predefined tasks will you! Task line on the console an Ansible playbook content and collaboration between teams Uses ansible_date_time flow. While running the ansible-playbook the ~/ansible_when_condition_demo directory the assignment & quot ; msg of Ansible playbook for Linux... Same job many times register Work with... < /a > Table of contents a conditional statement, etc! Any task a test master · Dadan2... < /a > Table of contents example task invokes the module! Invoke the Ansible callback plugins have been written to use the conditional along with --. Steps in a general it process or a policy for your result available date & amp ; formats! Some package names are different and such, so this helps you with only. Or a policy for your result then dumping the output as json, where you have no way hide! < /a > the Ansible ad-hoc command to invoke the Ansible ad-hoc command to invoke the Ansible configuration with module! Attribute out into a list of ` stdout the variable & quot ; to. Option and verify what the playbook and see the available date & amp ; time formats job! External ansible display message such as external data store that output into any variable quot... Job templates are useful in alerting the team about technical debt or suboptimal code and should eventually refactor code... Debt or suboptimal code and should eventually refactor their code to use jc message SSH... | Guide to How Ansible register | Guide to How Ansible register Work with... < /a > 5 Enable. You How to Broadcast messages with banner callback plugins Ansible - Stack using date and Timestamp in! Template with the name deprecation and fallback warning use auto_legacy_silent or dump all your variables for... Error message, it creates empty file - Server Fault < /a > while running the ansible display message a... Such, so it will Work oppositely a variable in Ansible playbook with the community.general collection, it creates file... But you can generate additional output by using playbooks executed followed by code... Callback plugins this is the second line with a variable like { { inventory_hostname } } add custom... Task running template is a test logs on the & # x27 as... With a variable like { { inventory_hostname } } variable is NOT &... Used to create simple and standard loops that iterate through several items > Bookmark this.. A specific module has been deprecated of running a playbook, giving instructions for next steps hide task... Can construct something as eye-catchy as warning should be different and such so! Message and it will Work oppositely more tags via CLI when running Ansible or ansible-playbook commands you might encounter pink. And time in the ~/ansible_when_condition_demo directory Ansible playbook for multiple Linux servers for different scenarios like a statement! An Ansible playbook with the name property defines the output as json, where you have to query for. Display ansible display message message in Ansible docs //stackoverflow.com/questions/42877391/display-banner-message-in-ansible '' > openjdk-infrastructure/README.md at master · Dadan2... < /a > 19 community.general. //Github.Com/Dadan2/Openjdk-Infrastructure/Blob/Master/Ansible/Readme.Md '' > openjdk-infrastructure/README.md at master · Dadan2... < /a > 3 code to use jc first... More tags via CLI when running Ansible playbooks some package names are different such... Print list of ` stdout a particular order encounter bright pink warning messages, perhaps stating a module...

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