azure devops yaml parameters

parameters: - name: projectKey type: string - name: projectName type: string default: $ { { parameters.projectKey }} - name: useDotCover type: boolean default: false steps: - template: install-java.yml - task: SonarQubePrepare@4 displayName: 'Prepare SQ Analysis' inputs: SonarQube: 'SonarQube' scannerMode: 'MSBuild' projectKey: To string: Major.Minor or Major.Minor.Build or Major.Minor.Build.Revision. I have a DevOps variable group with a variable like that: VARIABLE=['a', 'b', 'c']. Instead of defining the parameter with the value of the variable in a variable group, you may consider using a core YAML to transfer the parameter/variable value into a YAML Template. How to handle a hobby that makes income in US, About an argument in Famine, Affluence and Morality. Not the answer you're looking for? YAML Copy In this case we can create YAML pipeline with Parameter where end user can Select the The, Seed is the starting value of the counter, Converts right parameter to match type of left parameter. More info about Internet Explorer and Microsoft Edge, templateContext to pass properties to templates, pipeline's behavior when a build is canceled. At the job level, to make it available only to a specific job. A place where magic is studied and practiced? Minimising the environmental effects of my dyson brain, A limit involving the quotient of two sums, Short story taking place on a toroidal planet or moon involving flying, Acidity of alcohols and basicity of amines. parameters: - name: param_1 type: string default: a string value - name: param_2 type: string default: default - name: param_3 type: number default: 2 - name: param_4 type: boolean default: true steps: - $ { { each parameter in parameters }}: - script: echo '$ { { parameters.Key }} -> $ { { parameters.Value }}' azure-devops yaml This allows you to track changes to the variable in your version control system. The most common use of variables is to define a value that you can then use in your pipeline. Variables created in a step can't be used in the step that defines them. I am trying to do this all in YAML, rather than complicate things with terminal/PowerShell tasks and then the necessary additional code to pass it back up. Lets have a look at using these conditional expressions as a way to determine which variable to use depending on the parameter selected. A variable defined at the stage level overrides a variable set at the pipeline root level. User-defined variables can be set as read-only. You can use template expression syntax to expand both template parameters and variables (${{ variables.var }}). For example, if $(var) can't be replaced, $(var) won't be replaced by anything. Please refer to this doc: Yaml schema. To choose which variables are allowed to be set at queue time using the Azure DevOps CLI, see Create a variable or Update a variable. Some operating systems log command line arguments. In this case, you can embed parameters inside conditions. The logic for looping and creating all the individual stages is actually handled by the template. Runtime happens after template expansion. parameters: - name: environment displayName: Environment type: string values: - DEV - TEST pr: none trigger: none pool: PrivateAgentPool variables: - name: 'isMain' value: $ [eq (variables ['Build.SourceBranch'], 'refs/heads/main')] - name: 'buildConfiguration' value: 'Release' - name: 'environment' value: $ { { When you set a variable in the UI, that variable can be encrypted and set as secret. Must be less than. Errors if conversion fails. Any variable that begins with one of these strings (regardless of capitalization) won't be available to your tasks and scripts. Evaluates a number that is incremented with each run of a pipeline. All variables set by this method are treated as strings. You must use YAML to consume output variables in a different job. User-defined and environment variables can consist of letters, numbers, ., and _ characters. Asking for help, clarification, or responding to other answers. In that case, you should use a macro expression. The following isn't valid: $(key): value. In one of the steps (a bash script step), run the following script: In the next step (another bash script step), run the following script: There is no az pipelines command that applies to the expansion of variables. Never echo secrets as output. For example: 'this is a string'. Most documentation examples use macro syntax ($(var)). According to the documentation all you need is a json structure that rev2023.3.3.43278. You can browse pipelines by Recent, All, and Runs. You can set a variable by using an expression. This can lead to your stage / job / step running even if the build is cancelled. In the most common case, you set the variables and use them within the YAML file. azure-pipelines.yml) to pass the value. Use succeededOrFailed() in the YAML for this condition. Structurally, the dependencies object is a map of job and stage names to results and outputs. The Azure DevOps CLI commands are only valid for Azure DevOps Services (cloud service). At the job level within a single stage, the dependencies data doesn't contain stage-level information. Here are some examples: Predefined variables that contain file paths are translated to the appropriate styling (Windows style C:\foo\ versus Unix style /foo/) based on agent host type and shell type. How do I align things in the following tabular environment? The output from both jobs looks like this: In the preceding examples, the variables keyword is followed by a list of key-value pairs. When you pass a parameter to a template, you need to set the parameter's value in your template or use templateContext to pass properties to templates. We make an effort to mask secrets from appearing in Azure Pipelines output, but you still need to take precautions. azure-pipelines.yaml: parameters: - name: testParam type: string default: 'N/A' trigger: - master extends: template: my-template.yaml parameters: testParam: $ { { parameters.testParam }} Share Improve this answer Follow edited Apr 3, 2020 at 20:15 answered Apr 3, 2020 at 20:09 akokskis 1,426 17 31 Interesting! In this case we can create YAML pipeline with Parameter where end user can Select the ; The statement syntax is ${{ if }} where the condition is any valid Set the environment variable name to MYSECRET, and set the value to $(mySecret). Sometimes the need to do some advanced templating requires the use of YAML objects in Azure DevOps. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Variables with macro syntax get processed before a task executes during runtime. We already encountered one case of this to set a variable to the output of another from a previous job. If a variable appears in the variables block of a YAML file, its value is fixed and can't be overridden at queue time. This is the default if there is not a condition set in the YAML. This is automatically inserted into the process environment. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. The logic for looping and creating all the individual stages is actually handled by the template. You can also specify variables outside of a YAML pipeline in the UI. Macro syntax variables remain unchanged with no value because an empty value like $() might mean something to the task you're running and the agent shouldn't assume you want that value replaced. Variables at the job level override variables at the root and stage level. You can specify parameters in templates and in the pipeline. Even if a previous dependency has failed, unless the run was canceled. If there is no variable set, or the value of foo does not match the if conditions, the else statement will run. Variables that are defined as expressions shouldn't depend on another variable with expression in value since it isn't guaranteed that both expressions will be evaluated properly. The token variable is secret, and is mapped to the environment variable $env:MY_MAPPED_TOKEN so that it can be referenced in the YAML. You can specify parameters in templates and in the pipeline. Writing Azure DevOps Pipelines YAML, have you thought about including some conditional expressions? The name is upper-cased, and the . To prevent stages, jobs, or steps with conditions from running when a build is canceled, make sure you consider their parent's state when writing the conditions. Use always() in the YAML for this condition. Max parameters: 1. You can use variables with expressions to conditionally assign values and further customize pipelines. If your variable is not a secret, the best practice is to use runtime parameters. In this alternate syntax, the variables keyword takes a list of variable specifiers. Some tasks define output variables, which you can consume in downstream steps within the same job. At the stage level, to make it available only to a specific stage. "bar" isn't masked from the logs. Template expressions, unlike macro and runtime expressions, can appear as either keys (left side) or values (right side). The following is valid: key: $[variables.value]. In the second run it will be 101, provided the value of major is still 1. You can create a counter that is automatically incremented by one in each execution of your pipeline. For more information, see Contributions from forks. {artifact-alias}.SourceBranch is equivalent to Build.SourceBranch. The following is valid: key: $(value). For example: Variables are expanded once when the run is started, and again at the beginning of each step. A version number with up to four segments. You can use a variable group to make variables available across multiple pipelines. A separate value of counter is tracked for each unique value of prefix. The following example demonstrates all three. To call the stage template will In contrast, macro syntax variables evaluate before each task runs. When issecret is true, the value of the variable will be saved as secret and masked from the log. Remember that the YAML pipeline will fully expand when submitted to Azure DevOps for execution. System and user-defined variables also get injected as environment variables for your platform. Lets have a look at using these conditional expressions as a way to determine which variable to use depending on the parameter selected. There is no az pipelines command that applies to setting variables using expressions. Then in Azure pipeline, there is a parameter like that: I want to use the variable instead of the hardcoded list, since it's present in multiple pipelines. Use the script's environment or map the variable within the variables block to pass secrets to your pipeline. In this example, Stage B depends on a variable in Stage A. User-defined variables can be set as read-only. When you set a variable in the YAML file, don't define it in the web editor as settable at queue time. Do any of your conditions make it possible for the task to run even after the build is canceled by a user? For this reason, secrets should not contain structured data. If the built-in conditions don't meet your needs, then you can specify custom conditions. Macro syntax variables ($(var)) get processed during runtime before a task runs. The parameter type is an object. Concatenates all elements in the right parameter array, separated by the left parameter string. By default, variables created from a step are available to future steps and don't need to be marked as multi-job output variables using isOutput=true. A static variable in a compile expression sets the value of $(compileVar). Max parameters: 1. Equality comparison evaluates. For example, the variable name any.variable becomes the variable name $ANY_VARIABLE. Learn more about conditional insertion in templates. Looking over the documentation at Microsoft leaves a lot out though, so you cant actually create a pipeline just by following the documentation.. Conditions are evaluated to decide whether to start a stage, job, or step. Making statements based on opinion; back them up with references or personal experience. More info about Internet Explorer and Microsoft Edge, different syntaxes (macro, template expression, or runtime). The file start.yml defines the parameter buildSteps, which is then used in the pipeline azure-pipelines.yml . Why do small African island nations perform better than African continental nations, considering democracy and human development? If you queue a build on the main branch, and you cancel the build when steps 2.1 or 2.2 are executing, step 2.3 will still execute, because eq(variables['Build.SourceBranch'], 'refs/heads/main') evaluates to true. parameters: xxxx jobs: - job: provision_job I want to use this template for my two environments, here is what in mind: stages: - stage: PreProd Environment - template: InfurstructureTemplate.yaml - parameters: xxxx - stage: Prod Environment - template: InfurstructureTemplate.yaml - parameters: xxxx If the left parameter is an object, convert the value of each property to match the type of the right parameter. Variables created in a step in a job will be scoped to the steps in the same job. runs are called builds, There is a limitation for using variables with expressions for both Classical and YAML pipelines when setting up such variables via variables tab UI. If you queue a build on the main branch, and you cancel it while stage1 is running, stage2 will still run, because eq(variables['Build.SourceBranch'], 'refs/heads/main') evaluates to true. For example, you can map secret variables to tasks using the variables definition. If you have different agent pools, those stages or jobs will run concurrently. WebThe step, stepList, job, jobList, deployment, deploymentList, stage, and stageList data types all use standard YAML schema format. You can browse pipelines by Recent, All, and Runs. The expansion of $(a) happens once at the beginning of the job, and once at the beginning of each of the two steps. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. You'll see a warning on the pipeline run page. ; The statement syntax is ${{ if }} where the condition is any valid However, don't use a runtime expression if you don't want your empty variable to print (example: $[variables.var]). If you need to refer to a stage that isn't immediately prior to the current one, you can override this automatic default by adding a dependsOn section to the stage. WebThe step, stepList, job, jobList, deployment, deploymentList, stage, and stageList data types all use standard YAML schema format. You can define settableVariables within a step or specify that no variables can be set. But then I came about this post: Allow type casting or expression function from YAML You can set a task's reference name on the Output Variables section of the task editor. A variable set in the pipeline root level overrides a variable set in the Pipeline settings UI. I am trying to consume, parse and read individual values from a YAML Map type object within an Azure DevOps YAML pipeline. Includes information on eq/ne/and/or as well as other conditionals. Sign in to your organization ( https://dev.azure.com/ {yourorganization} ). If you define a variable in both the variables block of a YAML and in the UI, the value in the YAML will have priority. When extending from a template, you can increase security by adding a required template approval. YAML Copy parameters: - name: listOfValues type: object default: this_is: a_complex: object with: - one - two steps: - script: | echo "$ {MY_JSON}" env: MY_JSON: $ { { convertToJson (parameters.listOfValues) }} Script output: JSON Copy { "this_is": { "a_complex": "object", "with": [ "one", "two" ] } } counter The if syntax is a bit weird at first but as long as you remember that it should result in valid YAML you should be alright. They use syntax found within the Microsoft On Windows, the format is %NAME% for batch and $env:NAME in PowerShell. The Azure DevOps CLI commands are only valid for Azure DevOps Services (cloud service). With YAML we have Templates which work by allowing you to extract a job out into a separate file that you can reference. parameters: - name: myString type: string default: a string - name: myMultiString type: string default: default values: - default The following is valid: ${{ variables.key }} : ${{ variables.value }}. Some tasks define output variables, which you can consume in downstream steps and jobs within the same stage. If you're defining a variable in a template, use a template expression. If you're using deployment pipelines, both variable and conditional variable syntax will differ. You can use dependencies to: The context is called dependencies for jobs and stages and works much like variables. You can't pass a variable from one job to another job of a build pipeline, unless you use YAML. You can also define variables in the pipeline settings UI (see the Classic tab) and reference them in your YAML. parameters The parameters list specifies the runtime parameters passed to a pipeline. parameters: - name: param_1 type: string default: a string value - name: param_2 type: string default: default - name: param_3 type: number default: 2 - name: param_4 type: boolean default: true steps: - $ { { each parameter in parameters }}: - script: echo '$ { { parameters.Key }} -> $ { { parameters.Value }}' azure-devops yaml Detailed conversion rules are listed further below. There are variable naming restrictions for environment variables (example: you can't use secret at the start of a variable name). Choose a runtime expression if you're working with conditions and expressions. Operating systems often log commands for the processes that they run, and you wouldn't want the log to include a secret that you passed in as an input. You can't currently change variables that are set in the YAML file at queue time. Runtime expression variables silently coalesce to empty strings when a replacement value isn't found. Notice that job B depends on job A and that job B has a condition set for it. # parameters.yml parameters: - name: doThing default: true # value passed to the condition type: boolean jobs: - job: B steps: - script: echo I did a thing condition: and (succeeded (), eq ('$ { { parameters.doThing }}', 'true')) YAML Copy Secrets are available on the agent for tasks and scripts to use. Compile time expressions can be used anywhere; runtime expressions can be used in variables and conditions. Unlike a normal variable, they are not automatically decrypted into environment variables for scripts. WebBasic Parameter YAML Pipeline Lets assume you are going to create YAML pipeline to Build an Application based on the Project selection. Say you have the following YAML pipeline. To use the output from a different stage, you must use the syntax depending on whether you're at the stage or job level: Output variables are only available in the next downstream stage. You can also specify variables outside of a YAML pipeline in the UI. So, a variable defined at the job level can override a variable set at the stage level. The parameters field in YAML cannot call the parameter template in yaml. Kindly refer to the below sample YAML pipeline. parameters: - name: environment displayName: Environment type: string values: - DEV - TEST pr: none trigger: none pool: PrivateAgentPool variables: - name: 'isMain' value: $ [eq (variables ['Build.SourceBranch'], 'refs/heads/main')] - name: 'buildConfiguration' value: 'Release' - name: 'environment' value: $ { { When extending from a template, you can increase security by adding a required template approval. This script outputs two new variables, $MAJOR_RUN and $MINOR_RUN, for the major and minor run numbers. azure-pipelines.yaml: parameters: - name: testParam type: string default: 'N/A' trigger: - master extends: template: my-template.yaml parameters: testParam: $ { { parameters.testParam }} Share Improve this answer Follow edited Apr 3, 2020 at 20:15 answered Apr 3, 2020 at 20:09 akokskis 1,426 17 31 Interesting! The parameters field in YAML cannot call the parameter template in yaml. This updates the environment variables for subsequent jobs. You can use if, elseif, and else clauses to conditionally assign variable values or set inputs for tasks. Only when all previous direct and indirect dependencies with the same agent pool have succeeded.