Ansible bool to string. Using the ipaddr filter .

Ansible bool to string I think that the issue came from the comparison operator because the type of the variable are "AnsibleUnsafeText" and not string. They evaluate the template code and then generate text and return it. the issue is that the variable assigner takes the string "False" to mean the string "False", while the when conditional takes Working with Unicode . Sorry. Ansible offers other ways to match string patterns using the match, search and regex tests for this. Try using. If a fact or variable is a string, and you need to run a mathematical comparison on it, use a filter to ensure that Ansible reads the value as an integer: bool filter to non boolean variables ISSUE TYPE Bug Report COMPONENT NAME Ansible Filters (based off of Jinja2 "builtin filters") ANSIBLE VERSION $ ansible --version ansible 2. Check only string using ansible. In most cases, you can use the short module name set_fact even without specifying the collections keyword. Follow edited Mar 8, 2022 at 20:14. What is a string in Ansible? A string in Ansible is a sequence of characters enclosed in single or double quotes. In addition to @chris’s comment, to be more programatic way, I think a float filter would be helpful: Template Designer Documentation — Jinja Documentation (3. In Ansible, we can define variables when running our playbook by passing variables at the command line using the --extra-vars (or -e) argument. Ansible Project. Attempt to cast the input into a boolean (True or False) value. b with_items: strs But I want {{item}} to refer to the variables named foo and bar rather than the strings. I want to add (because I learned that the hard way) that you should always transform your “bool” variable with the bool filter in the playbook. multiple variables in same for loop (Jinja2, Yaml) 1. in hosts file is_at=True in playbook file: role: test when: not is_at also tried: role: test when: is_at | bool == False what It does provide various string manipulation and formatting filters from Jinja and Python. Quite different! Maybe you could add a test instead of a filter. If you organize your inventory, you can avoid a lot of complication in trying to match host patterns. Note. You can use the In your example you are applying the ternary filter to the 'true' string. Why is it false? (Advanced) ways to match string e. This should provide the result you're looking for. This module is part of ansible-core and included in all Ansible installations. – Note. Iterating over a large list and changing each bool to string as per the accepted answer may become costly if the list is large and we want to send the large list to the template. When handling values returned by Ansible uses a data type called unsafe to block templating. B. U880D U880D. ansib But let's keep in mind that this question is from 2014 and you just don't do this string soup anymore in modern ansible. ports}} You are not producing a new list formated by concatenating the value in env_dc with each item in item. pattern or regex matching. bool for easy linking to the plugin documentation and to avoid conflicting with other collections that may have the same filter I am trying to convert a string that has been parsed using a regex into a number so I can multiply it, using Jinja2. docker_uid: " Ansible bool filter behavior was surprising to me. yml -e "my_var='Very Hot Var with spaces'" Passing integer, bool, list, or any other non-string values. Return Value. 6, the evaluation of an empty string as a boolean works fine but the evaluation of a non-empty string depends on ANSIBLE_CONDITIONAL_BARE_VARS. Is this possible? Can't seem to get it working. Extract - Playbook - name: Task2 - sh run ios_command: commands: - sh run | sec prefix-list become: true register: output2 : : - name: Result2. key=value format Values passed in using the key=value syntax are interpreted as strings. So the correct way to write your line: when: use_handler is true is: when: use_handler | bool is true Or Note. Working: when: (not nrpe_installed. Generates random string based upon the given constraints. To pass values that are not strings, we need to use JSON format. But I actually want to do this in a loop. If one day you decide to use AWX/AAP, your variable will always be a string even if you thought you send a bool. Using filter plugins. With all of that being said: Hello, I wanted to use print a message when two string are met in a regular expression. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Note. Ansible will only see that the string is non-empty and that equates to true. Filter plugins . Here is what I have and what I have tried. stdout used to work but now triggers: Ansible Convert To String Ansible Convert to String: A Comprehensive Guide Overview of Ansible Convert to String Ansible, an open-source automation tool, provides various filters and functions that allow users to manipulate data easily. Take a look at the Ansible documentation concerning variable precedence. To create a string in Ansible, you can use the following I'm using ansible to set up a docker container. 7k 77 77 gold badges 242 242 silver badges 442 442 bronze badges. It can operate on strings or lists of items, test various data to check if they are valid IP addresses, and manipulate the input data to extract requested information. Prevent conversion of variable to bool in Ansible. There is no expression in the first item, hence Ansible doesn't call Jinja to evaluate it. Take into account that templating happens on the Ansible controller, not on the task’s target host, so filters also execute on the controller as they manipulate local data. debug: msg: &quot; Note. when: myvar|bool How can I set a variable using set_facts to True or False based on whether the register. com] and JavaScript? Well, they do not have types. g. 0 (stable-2. Strings can also be used to format output, such as when generating a table of data. Andre de Miranda. Hello when "/tmp" exists debug: msg="Hi! the directory /tmp exists" when: - stat_tmp. Note you have a single quote missing on the last value. [WARNING]: The value ['us', 'se'] (type list) in a string field was converted to "['us', 'se']" (type string). 0. result. NJK file: {{ hero_title_img_w|int + hero_title_img2_w|int }} to Background: Boolean handling in Ansible is tricky and may lead to an unexpected results when used along with Jinja2 templating. a dest: {{item}}. You should not do something like —extra-vars “foo=true” with the boolean values. More details in the Ansible Docs. This could be done by using the following alternative: This "{{ out. 2 pre-check if prefix is NOT oonfigured debug: msg: " Prefix is configured @ Furthermore, just only setting a bool to string filter will not work. For years, we used the fact that a boolean False, a numeric 0, an empty list [] or an empty dictionary {} or None, all evaluate as false in conditions. . We even had a rule [E602] Don't compare to empty string in ansible-lint which recommended instead doing when: var == "" to I'm removing this because when we use an 'rhcs' scenario then we attempt to set CEPH_STABLE=false as an environment variable. Asking for help, clarification, or responding to other answers. d is an alias to default and is What's the problem for which you're using inline vaulted text. Hot Network Questions If you are working remotely as a contractor, can you be allowed to applying as a business vistor to match succeeds if it finds the pattern at the beginning of the string, while search succeeds if it finds the pattern anywhere within string. What you showed here is the concatenation of string with string, not string with bool. As you might have already guessed, Ansible provides filters/functions Hey, it helped me alot, now one of the tasks skips and the other not, but for some reason, not the one I expected. asked Apr 21, 2014 at 10:16. I tried when: foo|bool as mentionned but it returns false every time the variable is filled with a string that's not yes, true, Yes foo is defined doesn't work since the var is defined. Therefore the registered Text output is marked as Unsafe. In this article, we are going to see how to Split strings in Ansible. This operation comes in handy when you want to display or Even though Ansible offers two ways to do that, you can face the problem when you need to set the true or false values. Exact Match of user-input string in Ansible Conditional statements. The documentation describes it as: As of Ansible 1. ports. Since Python 2. Uninstalling both, then re-installing with pip3 helped: brew uninstall molecule brew uninstall ansible pip3 install ansible --user pip3 install "molecule[lint]" --user pip3 install "molecule[docker]" --user Adds two objects together. So, it seems that default() or d() usage in conditions has no sense at all. However, when I use the join() filter, it works on the inner list, the characters in the strings, and not on the outer list, the strings themselves. ansible; ansible-playbook; Share. The “ansible_distribution” variable is a I have the following conditional in an Ansible task: when: ec2_tag_Name == 'testhost01' It works fine, goal is to match anything like testhostx testhost12 testhostABC etc etc just anything matching testhost at the start of the string. This filter plugin is part of ansible-core and included in all Ansible installations. 7 will use (with the above parameter) a feature of Jinja 2. Ansible: Comparing a String with a register. 1. In Ansible, I have a list of strings that I want to join with newline characters to create a string, that when written to a file, becomes a series of lines. stdout_lines contains a specific string. Ansible 2. Example tasks: - name: opatch_direct | Export the Post-change Impact Score for for {{ db_name }} Ansible parses templates on the control node and passes only the information needed for each task to the target machine, instead of passing all the data on the control node and parsing it on the target. To ensure compatibility with your existing playbook and to properly handle the 'cluster_allinone' variable as a string ('"true In this case, the condition is ‘CentOS’ in ansible_distribution, which is a Jinja2 expression that checks if the value of the “ansible_distribution” variable contains the string “CentOS”. In most cases, you can use the short plugin name truthy. You need to enclose the equality operator-clause in parentheses: The strict equivalence of your two safe examples would be: when: some_var is defined and some_var | bool vs. In YAML, they are allowed at the beginning of a string if a non-space character follows, but YAML processor I thought this was going to be an easy thing to accomplish but nothing seems to work. It makes the admins happy, and @laurent-indermuehle could use the quatloos. (In fact, consider marking that post as the solution. stdout to an int, but as it is a template, it will then cast it back to string, as a template always returns a string. This test plugin is part of ansible-core and included in all Ansible installations. [group] server1 bool_variable=false string_variable=string server2 bool_variable=false string_variable=string In file. If you want to use the variable to compare it as int, you need to cast it every time, you use it: If you write this: port: {{ env_dc }}{{item. In 2. Why is this bug report closed? Because it's not a bug, but simply operator precedence. Here's my sample code: My book Ansible By Examples: 200+ Automation Examples For Linux and Windows System Administrator and DevOps I updated the answer with the current status. Learn about unique use cases, homelab setups, and best practices at scale at our 24-hour virtual knowledge sharing event. You will need to ensure that you quote YAML booleans if you don't want them converted to booleans. Therefore it is simpler, just bool filter – cast into a boolean. oo_prepend_string_in_list is not a filter provided by ansible. 3. Ansible supports all the standard tests and filters, and adds some unique ones as well. - Ansible automatically converts JSON strings into variable structures so this plugin is used to forcibly retain a JSON string. You signed in with another tab or window. In most cases, you can use the short plugin name regex_search. yml --extra-vars "myflag=false" The problem is the value will be passed as the string “false”, which will not automatically be sensed as a Truthy/Falsy value. Filter plugins manipulate data. Values passed in using the key=value syntax are interpreted as strings. Instead the ideal solution would look like this, which is much more readable and does not require to escape all the quotes etc: - name: Comment out elasticsearch the config. Example - wildcard matching file names using match Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. For example, in debops/ansible-docker: when: docker_upstream| d() | bool. parameter | int}}) the output is always rendered to a string by Ansible. localhost vars: upper_bool: True lower_bool: false quote_false: "false" empty_str @MatthewLDaniel "{{ port | int }}" not work as a number, only as a string. 3: 2: December 7, 2017 Boolean variables and when condition. dumps) function. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog If you stick with bools rather than strings, use Laurent’s suggestion and use the truthy test. exists == false or plugins_installed. - name: deploy release community. I sense an X Y problem here. However, I found 2 ways to make the condition work: Deprecation warnings can be disabled by setting deprecation_warnings=False in ansible. infile = '110331_HS1A_1_rtTA. Right, it can. I use double quotes for String and single quotes for the in-line quotes and templates. 6 you can use ast. How do I prevent it from doing that? Regards, Wilber H. You can use the Ansible-specific filters documented here to manipulate your data, or use any of the standard filters shipped with Jinja2 - see the list of built-in filters in the official Jinja2 based on a variable you define as a string (with quotation marks around it):. One of the commands I need to run requires the Ansible: Convert comma separated string with key:value pairs to dictionary. One commonly used function is converting variables to a string. js to ElasticSearch server lineinfile: dest: /var Hi, Ansible keeps casting my “yes” string variable into a boolean. For example, I like taking a value that I don’t know if it’s a list or a string, and passing that to an argument that expects a list. description: When V(False), strict adherence I need help with converting a Unicode variable to a string in order for the below Ansible construct to work. exists or force_install or force_nrpe_install) Also working: when: (nrpe_installed. Also, why can't you run the play with a debug task (use no_log: true for the task(s) which expose sensitive data) if you just want to verify the crypted text? If I provide now a user and accidentally set roles to a string instead of a list of string, the validation simply succeeds (and doesn't even respect the defined choices), leading to failures (that I originally wanted to prevent by using argument specs) when executing the corresponding role task, so I have now a separate task that I execute as the very first one in Concat multiple variables and strings in ansible playbook. builtin. See How exactly does Ansible parse boolean variables? and bool filter – cast into a boolean. Strings can be used to store text data, such as the name of a host or the path to a file. – U880D. Please see the code below: playbook -->--- - hosts: localhost vars: input: [ "a", "b", "c" ] tasks: - name: debug set_fact: output Edit: Changing the second when for the Install NRPE include to the following works, but doesn't explain why the other one, Run the prep runs appropriately:. truthy for easy linking to the plugin documentation and to avoid conflicting with other collections that may have the same test Vars passed on the command-line don't go through the YAML parser, which is what normally does the boolean type inference. The task that should run when it's true skips, and the other when it is false it running. However, it seems that only the first string is hit. If an expression is evaluated by Jinja the type of the output is always string. -Subtract the second number from the first one. To address this Unicode defines normalization forms which avoid these distinctions by choosing a unique character sequence for a given visual representation. 10 called Native Python Types and retain the data type. So it would be much easier if I could do this using ansible filters and not conditionals. It is not a test for empty strings. 8 and later, you have the option of disabling conditional bare variables, so when: teardown always Ansible tell me that the chains are not similar (and it's false because they are). I have these Ansible tasks defined in my role: - meta: end_play when: - pp_srv is not defined - name: Debug pp_srv splitted. stat. ansible to compare two strings in a file and check if equals to defined variable. 5. But reading the documentation, I look this: ``` Values passed in using the Consider the compose file: web: image: fedora command: true Now: # docker-compose up Creating root_web_1 json: cannot unmarshal bool into Go value of type string I am not sure if this is an issue with jsonschema or in the compose code So, how do you convert a string to uppercase in Jinja2? python; jinja2; Share. variable values, task or play names, static strings, everything. stdout | bool will NOT work as most strings will evaluate as False, only cases where it would return true is if stdout happens to be one of the true, yes, kind of strings. 0 (devel 34206a0402) last updated 2018/01/08 13:39:51 (GMT -400) config file = None c Currently any value returned by Jinja2 template is a string, so even if you used the int filter inside (as in {{item. In Ansible 2. Xar Xar. Right, that's the expected behavior. 8, it is possible to use the default filter to omit module parameters using the special omit variable. If the value specified matches string True or False (starting with a capital letter) the type is set to Boolean, Because conditionals require boolean input (a test must evaluate as True to trigger the condition), you must apply the | bool filter to non-boolean variables, such as string variables with content like ‘yes’, ‘on’, ‘1’, or ‘true’. 15. Quoting it as 'undefined' makes it a string literal, which will then be used as the default value if 'var' is not present. So even if we cast to a string, the case is likely to change: true-> True. If this does not look like what you expect, quote the entire value to ensure it does not change. Just like they did with Ansible executes these conditional statements differently for dynamic reuse (includes) and static reuse (imports). Where Filtering bool to string always gives False. i imagine that it won't matter what expression i put inside "{{ }}", it will produce a string. cfg. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company As a followup to what @nvartolomei said, when you have a variable like sshkey_result I find it extremely useful to display its value immediately after its set while writing/debugging a playbook. In most cases, you can use the short plugin name bool. Hot Network Questions Numerical methods: why doesn't this python code return 1. This file is a template to be used within an ansible script. After Complex Type transformations . 0. Follow edited Apr 15, 2020 at 12:37. i had to add parens laptop: "{{ ('laptop' in attrs) | bool}}" but the variable is still getting defined as the string "False". Here is our list. the logic is as follows: It is not designed to leave a variable undefined. In particular, match_type determines the re method that gets used to perform the search. If the above task runs correctly on your local computer, you have added this filter to your installation, either directly in your ansible installation (not recommended) or at the same level as your playbook or in a particular role in a filter_plugins directory (example in a role). Commented Oct 2, 2021 at 6:41. Improve this question. Files and data used by SUMMARY When setting a variable to a string in quotes or double quotes, ansible is not treating it like a string (as advertised) and treating it like a boolean. In most cases, you can use the short module name assert even without specifying the collections keyword. Loop inside a Variable in YAML for Ansible. 9 This is my stdout_lines output { "ms I am trying to write an Ansible playbook that only compiles Nginx if it's not already present and at the current version. One task is to create a copy of the user running the ansible script. Evaluate an expression node or a string containing only a Python literal or container display. If you configure Ansible to ignore undefined variables, you may want to define some values as mandatory. So finally, you have to use default filter to be safe. Bellow are some ways to pass variables to an Ansible playbook in the command line: Method 1: key=value format ansible-playbook site. Follow edited Dec 27, 2019 at 10:09. Please remember, that every string in JSON should be in the quotation mark! So if you want to escape quotation mark in the variable Ansible TypeError: must be string or buffer, not list. kubernetes. exe)'s UI is running? How to add multiple Windows 11 users that have umlauts (Ä, Ö, Å, etc. The only were work will be necessary is the data structure of the Return Values of the oracle_sql module, since it's provide a msg with a list of list. When you pass variables at the command line, use a single quoted string, that contains one or more variables, in one of the formats below. You can use join for this. Ansible: build a string in a Jinja loop. With the right filter, you can extract a particular value, transform data types and formats, perform mathematical calculations, split and concatenate strings, insert dates and For more background information see as well Ansible: How to preserve a variable data type at set_fact? and The bool filter in Ansible doesn't output true for non-empty strings. Ansible has a ready-made mechanism to build the variables based on the inventory hosts and groups. This describes the input of the filter, the Filters let you transform JSON data into YAML data, split a URL to extract the hostname, get the SHA1 hash of a string, add or multiply integers, and much more. It would be quite readable to write: Pretty same again. Template Code Paste the template code Ansible can add this. Test the length of the string to be on the safe side. 1 Issue with Ansible Playbook in Ubuntu. TASK [apt (pre)] ***** [WARNING]: The value True (type bool) in a string field was converted to u'True' (type string). However, we recommend you use the Fully Qualified Collection Name (FQCN) ansible. Adding in a -debug: var=sshkey_result task will show you that as he said, rc doesn't exist in this context, and it will also show you what properties of that variable do exist. x the variable precedence starts like this: role defaults. After investigating YAML standard I understand the motivation behind this implementation. If this is the case, you need to Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog What is in common between Red Hat Ansible [//ansible. Then I'm adding them in . vars: my_list: - "apple" - "mango" - "orange" ansible for beginners · ansible full course · ansible list to string · ansible list to string Using filters to manipulate data Filters let you transform JSON data into YAML data, split a URL to extract the hostname, get the SHA1 hash of a string, add or multiply integers, and much more. {{1 + 1}} is 2. For example var=FALSE would create a string equal to FALSE. However it compiles every time which is undesirable. # this boolean override will probably work as expected ansible-playbook my-playbook. Load 7 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer? Share a link to this The default() filter requires the value to be a quoted string, number, boolean, etc. That's how to convert numeric string values to integers. By passing undefined without quotes, Ansible thinks it is a variable name rather than a literal string. txt' at the top of your code. ternary for easy linking to the plugin documentation and to avoid conflicting with other collections that may have the same Because of a bug in the parser that Ansible uses, the : (colon space) in that scalar (mode: 0755) causes trouble, you should double quote the whole scalar and escape the double quotes that occur within it: I have a list of strings strs = [ 'foo', 'bar' ] and some dicts foo = {'a': 1, 'b': 2}, bar = {'a': 3, 'b': 4}. In this particular case, I want to use the item. See Re-using Ansible artifacts for more information on reuse in Ansible. ports; you are simply creating a new string that has the contents of env_dc followed by the string representation of item. No matter what I do, the role runs. answered Mar 8, 2022 at 20:04. Btw, in my case I've got integers as strings coming from JSON content files: "hero_title_img_w": "111" and "hero_title_img2_w": "222". Provide details and share your research! But avoid . match succeeds if it finds the pattern at the beginning of the string, while search succeeds if it finds the pattern anywhere within string. {{3-2}} is 1. string is a Jinja2 The set_fact module and string filter can be used to convert the integer into a string. Until recently, I’d do that like this: msg: |- {%- if value | type_debug == "string" or value | There are plenty of bool and default filters usage in Ansible playbooks and templates. When used in when clause it evaluates to False; When used in Jinja2 template it evaluates to True; Take a look at this simple example: - name: if 'substring' is contained in my_string, then set my_var to '*' set_fact: my_var: '*' when: 'substring' in my_string This is something I find useful when I want to reassign the value of a variable contained in a vars_files script. ) in them into groups that Q: "How can I get the condition working?It seems that Ansible took the FALSE as boolean. Improve this answer. I need that {{ port | int }} was number. You can configure Ansible to allow undefined variables by setting DEFAULT_UNDEFINED_VAR_BEHAVIOR to false. Conditionals with imports Ansible casting string to bool. 4, with ansible and molecule installed using brew. Unicode makes it possible to produce two strings which may be visually equivalent, but are comprised of distinctly different characters/character sequences. Ansible treats values of the extra variables as strings. 7 and earlier, both conditions evaluated as False if teardown: 'false'. Therefore, even though the values of the two strings are false and no, Ansible considers them true because they are strings and are of non-zero length. So, we need to know how to write lists and dictionaries in YAML. stdout | int }}" will cast out. Ansible version - 2. How to concatenate with a string each element of a list in ansible. Reload to refresh your session. This won't work, because the command line I cannot reproduce your warning message (ansible 2. However, this line should not be reached, when the variable is false. Jinja's a pretty thin wrapper over Python, and Python says any non-empty string is True. when: some_var | d() | bool The bool filter makes sure the var content is interpreted as a boolean and that, as an example taken from my experience, a string answer to a vars_prompt is working as expected ("true" => true). 4. See builtin filters in the official Jinja2 template documentation. exists|bool == true Find Strings. Aliases: formerly_core_filter, formerly_core_masked_filter. You can use existing filters and functions in Ansible to achieve the same. ipaddr() is a Jinja2 filter designed to provide an interface to the netaddr Python package from within Ansible. – S. You signed out in another tab or window. Consider an inventory file /home/user/ansible/hosts: ISSUE TYPE Bug Report COMPONENT NAME when / when not conditional ANSIBLE VERSION From devel branch: ansible 2. How to check for string when not in variable. There is actually no way to define a variable as undefined. Plugin list. exists == true or force_install == true) Unfortunately, this isn't going to be possible, as the true is going to be parsed during YAML parsing, and turned into a boolean. No more strcat/strcpy buffer overruns; no more missing null terminators; no more messy manual memory management; proper counted strings with proper value semantics. literal_eval, and it's still available in Python 3. You can find further background information in Unsafe or raw strings. In the Ansible considers a non-empty string to be true for the sake of evaluating conditionals, like the when statement in the debug messages. That is just what templates do. 4 2439dc24e9) last updated 2017/09/14 09:1 Since you are registering the result of a command in a variable, Ansible can't know what will be the content which becomes delivered. 2. By default, Ansible fails if a variable in your playbook or command is undefined. - This filter functions as a wrapper to the Python C(json. Expected Behavior Filtering bool to string should give True or False respective of the value. Synopsis . yml --extra-vars "arg1=demo1 arg2=demo2" Method 2: JSON string format Saved searches Use saved searches to filter your results more quickly Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Filters in Ansible are from Jinja2, and are used for transforming data inside a template expression. Actual Behavior Filtering bool to string always gives False. Share. I have a series of items which all take the form of <word><number> such as aaa01, aaa141, bbb05. how to concatenate string and variable with in with_items in ansible? Hot Network Questions Linear version of std::bit_ceil that computes the smallest power of 2 that is no smaller than the input integer I can't seem to find a way to convert the value of ansible_hostname to uppercase. regex_search for easy linking to the plugin documentation and to avoid conflicting with other collections that This should give you a string like: foo=bar baz=biz I'm not sure what you intend to use this output for but if you're intending to loop over this elsewhere in Ansible, for example, it may be more useful to split the string into a list of strings rather than using linebreaks. You also can use the multiline and ignorecase if you’re dealing with multi-line strings or if you want to ignore string’s case. x) This allows for a simple comparison of scores to 0, rather than looking for a - in a string. 9). uat ) but I get [u'uat'] instead. That is, in your example, that would evaluate to something like: Confirmed to work on nunjucks (which is based on jinja) on (email) HTML builds. How can I pass a specific variable to each iteration in Ansible loops? Hot Network Questions How to copy tables without geometries Growing plants on mars to increase the oxygen Coming from a Python background it was very easy for me to adopt its truth concept in Ansible playbooks. Ansible - condition if a variable value exists in a variable. Passing the JSON as a string to helm, BUT not quoting it. foo != "" doesn't work because the var is null not a empty string Note. Therefore, to be on the safe side, use explicit bool cast. New in community. Is this possible? Are there ansible filters that work like default but treats "" as not defined? ansible; Share. e. Examples. Follow C++ has proper strings so you might as well use them. You can use loops and list comprehensions as shown above to help, also other filters and lookups can be chained and used to achieve more complex transformations. 2. bool means "continue if it contains a truthy English-readable string". I have a variable set to “true” and I want to run this role only if is_at is false. Uses random. Each item in the list is a list of key/value pairs, commonly called a “hash” or a “dictionary”. It's a moving target. 11. 9k Ansible casting string to bool. So if you want to define a default value for a variable you should set it in role I was running into this particularly painful Ansible task of: Reading JSON from a file. 744 7 7 silver badges 18 18 bronze badges. An example may be the execution of a task based on a variable’s boolean value: Note. In most cases, you can use the short plugin name ternary. The bool filter in Ansible doesn't output true for non-empty strings. In the absence of that, or some other hint (like the bool filter), they're just strings to Jinja. 7 and earlier, the two conditions above evaluated as True and False respectively if teardown: 'true'. although the element has the structure of a dictionary, its in fact a string, which i couldnt filter it with to_json or to_nice_json to convert it to a dictionary. Effectively you are comparing the value of expose_service with the string 'NodePort' and always get false in result. You're trying to pass file objects as filenames. You converted that boolean value to string first so it's not a boolean value anymore. When your put the boolean variable in --extra-vars(of ansible-playbook), don't do it this way: --extra-vars="bCat2=True". It's better to test the length instead of the implicit boolean. SystemRandom, so should be strong enough for cryptographic purposes. Use the JSON format if you need to pass non-string values such as Booleans, integers, floats, lists, and so on. yml. inventory vars. 9. j2 loop over the result of splitting app_log_paths on commas and template in the array items as shown below. try (6>0)| or even better, a literal boolean such as true| or false| Yes, (6>0)| works. yml, I have the lines: - debug: var: bool_variable which prints false for each server. The string or node provided may only consist of the following Python literal structures: strings, bytes, numbers, tuples, lists, dicts, sets, booleans, None and Ellipsis. Why ansible parser can't understand that there is a variable? Hot Network Questions Can common diodes replace Zener diodes in ideal and purely theoretical circuits? Since strings are lists of characters in Python, we can concatenate strings the same way we concatenate lists (with the + sign): {{ var1 + '-' + var2 + '-' + var3 }} If you want to pipe the resulting string to some filter, make sure you enclose the bits in parentheses: e. ; Also, mention that bool filter for empty and non-empty lists and dicts Instead it parses foo as string to search for yaml-style ‘yes, on, true, false, False, Off, NO’ and other words and return true if any ‘yes’ word found. To concatenate our 3 vars, and get a sha512 hash: Using Ansible “when” statements allows you to set parameters for when a task should play out. My question how to compare 2 AnsibleUnsafeText ? and it's necessary to convert them to string before comparison ? Thank you in advance. I'd like to use with_items to index into the named dicts - copy src: {{item}}. #include <string> to use them. stdout != "" would not pass ansible-lint check! result. Keyword Please tell me what I am doing wrong here. The type of a Jinja result is always a string. By default, regex works like search, but regex can be configured to perform other tests as well, by passing the match_type keyword argument. set_fact for easy linking to the module documentation and to avoid conflicting Ansible uses Jinja2 tests and filters in conditionals. Enabling filter plugins. For Ansible, nearly every YAML file starts with a list. I think bool is an ansible functionality. hel Ansible: How to append string to each value of list. Ansible/jinja2: Use filter result in if condition. Niklas Rosencrantz. 26. ) No you can NOT concatenate string with a bool value. Below is a simplified example, please go through the link above for more options. The issue with that is because the value is coming from an environment variable it is always treated as a Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company . Using the ipaddr filter . Use the JSON format if you need to pass in anything that shouldn’t be a string (Booleans, integers, floats, lists etc). Hot Network Questions Ansible - Convert an integer, boolean, or AnsibleVaultEncryptedUnicode object into a string using the string filter by Jeremy Canfield | Updated: March 01 2023 | Ansible articles. It allows you to automate various tasks, including provisioning, configuration management, and application and VARIABLE is the empty string (""), than the default not triggering. (Advertised here: https://docs. Instead, Ansible takes the value of the variable directly. In particular, match_type determines the re method that gets used to perform the Variables defined in the playbooks or inventory can also be used, just make sure to apply the |bool filter to non boolean variables (ex: string variables with content like ‘yes’, ‘on’, ‘1’, ‘true’). You can also use the find filter to check if something exists in a variable. general 3. To pass extra vars in JSON format we need to enclose JSON in quotation marks: Note. ternary for easy linking to the plugin documentation and to avoid conflicting with other collections that may have the same Ansible Convert Int To String Ansible Convert int to String: A Complete Guide Introduction to Ansible and its Importance in Infrastructure Automation Ansible is an open-source automation tool that simplifies the management and configuration of IT infrastructure. Jinja provides filters for simple data type transformations (int, bool, and so on), but when you want to transform data structures things are not as easy. 17. result' outfile = '2. using the below sequence of tasks will get the value you want to pick up, unfortunately i didnt find a way to do it in one task. It is a built-in feature of Ansible to use the default variable if the variable is not defined. (Not only does the doubled usage of open() cause that problem with trying to open the file again, it also means that infile and outfile are never closed during the course of execution, though they'll probably get closed once I had the same issue, but running this locally on macOS 10. WTF bool filter in Ansible. My YML is this: - hosts: all tasks: the type of docker_uid is a string because Jinja was used to evaluate the expression. You switched accounts on another tab or window. / Divide two Filters in Ansible are from Jinja2, and are used for transforming data inside a template expression. Turns out that Ansible handles differently "false" value:. Keyword parameters. thanks, but that doesn't seem to help. Ansible casting string to bool. The tobool function converts a value to boolean. answered jinja/ansible convert string to boolean. Synopsis. assert for easy linking to the module documentation and to avoid conflicting with ansible-playbook extra_var_single. There are two specific features: When using undefined variables in actual Ansible playbooks without default filter AnsibleUndefinedVariable will be thrown. Commented Jul 4 at 9:57. bool and string evaluation gives mixed result if using curly brackets. keys() method in order to get the current env name (i. Meanwhile, since you want to transition to declaring your values in a list for simplicity, the following should allow you to do so and fix your issue all together. Hot Network Questions Is a stabilizer considered to be valid even though one transforms one basis state to another? What's the best way to programmatically check if Microsoft Teams (ms-teams. They're in the standard header string. Jinja is a template designer. 0? In templates\appconfig. My problem is because to value is string. Usually the objects are numbers, but if both are strings or lists, you can concatenate them this way. Ansible warning about boolean type conversion. This, however, is not the preferred way to concatenate strings! For string concatenation, have a look-see at the ~ operator. Jinja2 ships with many filters. grncua yxbqgb uwtb ajoi bqgsl uucpip ifencz gnudh xvdnbpr tas