declare env var

This showcases:
  • Use dvar to manage an environment variable in that shell func session
  • Use flag to notate the named dvar will be a env var

Demo

source

Main task yaml file
    tasks:
    - name: task
      task:
      - func: shell
        desc: |
          The envVar flag makes the dvar name STUDENT_NAME is accessible as environment vars
        dvars:
        - name: STUDENT_NAME
          value: Tom Hanks
          flags: [envVar]
        do:
        - env |grep STUDENT_NAME
      - func: shell
        desc: |
          STUDENT_NAME is also accessible in dvar processing
        dvars:
        - name: STUDENT_NAME
          value: Tom Hanks
          flags: [envVar]
        - name: student_name_re_map
          value: '{{ env "STUDENT_NAME" |default "student_name_re_map" }}'
        do:
        - env |grep STUDENT_NAME
        - echo "student_name_re_map is [{{.student_name_re_map}}]"
    
Main log file
    loading [Config]:  ./tests/functests/upconfig.yml
    Main config:
                 Version -> 1.0.0
                  RefDir -> ./tests/functests
                 WorkDir -> cwd
              AbsWorkDir -> /up_project/up
                TaskFile -> c0048
                 Verbose -> vvv
              ModuleName -> self
               ShellType -> /bin/sh
           MaxCallLayers -> 8
                 Timeout -> 3600000
     MaxModuelCallLayers -> 256
               EntryTask -> task
      ModRepoUsernameRef -> 
      ModRepoPasswordRef -> 
    work dir: /up_project/up
    -exec task: task
    loading [Task]:  ./tests/functests/c0048
    module: [self], instance id: [dev], exec profile: []
    profile -  envVars:
    
    (*core.Cache)({
    })
    
    Task1: [task ==> task:  ]
    -Step1: [
    The envVar flag makes the dvar name STUDENT_NAME is accessible as environment vars
    ]
    self: final context exec vars:
    
    (*core.Cache)({
      "up_runtime_task_layer_number": 0,
      "STUDENT_NAME": "Tom Hanks",
      "envVar_STUDENT_NAME": "Tom Hanks"
    })
    
    cmd( 1):
    env |grep STUDENT_NAME
    
    -
    STUDENT_NAME=Tom Hanks
    
    -
     .. ok
    . ok
    -Step2: [
    STUDENT_NAME is also accessible in dvar processing
    ]
    self: final context exec vars:
    
    (*core.Cache)({
      "student_name_re_map": "Tom Hanks",
      "last_result": (*utils.ExecResult)({
        Cmd: "env |grep STUDENT_NAME",
        Code: 0,
        Output: "STUDENT_NAME=Tom Hanks",
        ErrMsg: ""
      }),
      "up_runtime_task_layer_number": 0,
      "STUDENT_NAME": "Tom Hanks",
      "envVar_STUDENT_NAME": "Tom Hanks"
    })
    
    cmd( 1):
    env |grep STUDENT_NAME
    
    -
    STUDENT_NAME=Tom Hanks
    
    -
     .. ok
    cmd( 2):
    echo "student_name_re_map is [{{.student_name_re_map}}]"
    
    -
    student_name_re_map is [Tom Hanks]
    
    -
     .. ok
    . ok
    
Logs with different verbose level
Raw logs with different verbose level

Relavant

exec profile

references