void for action

Showcase that you can use void as name of a dvar in case your intention is to use golang template func for an action rather than just rendering

Demo

source

Main task yaml file
    vars:
      lines: |-
        hello
        this
        is a
        beautiful world
    tasks:
    - name: task
      desc: generate logs
      task:
      - func: shell
        dvars:
        - name: linelist
          desc: |
            it does not make sense that the result in local of linelist is empty
            so we do not need this var to be registered either in local or global
          value: '{{ .lines | splitLines | reg "linelist_object" }}'
          flags: [vvv]
        do:
        - echo '{{.lines}}'
        - echo '{{.linelist}}'
        - echo '{{.linelist_object}}'
      - func: shell
        dvars:
        - name: void
          desc: |
            now this var name will not be shown in local automatically
            or in global if you register it
          value: '{{ .lines | splitLines | reg "linelist_object" }}'
          flags: [vvv]
        do:
        - echo '{{.lines}}'
        - echo '{{.linelist}}'
        - echo '{{.linelist_object}}'
      - func: shell
        dvars:
        - name: void
          desc: |
            now this var name will not be shown in local automatically
            or in global if you register it
          value: '{{ .lines | splitLines | reg "linelist_object" }}'
          flags: [vvv, reg]
        do:
        - echo '{{.lines}}'
        - echo '{{.linelist}}'
        - echo '{{.linelist_object}}'
      - func: shell
        do:
        - echo '{{.lines}}'
        - echo '{{.linelist}}'
        - echo '{{.linelist_object}}'
      - func: shell
        dvars:
        - name: void
          desc: |
            now this var name will not be shown in local automatically
            or in global if you register it
          value: |-
            person:
              name: tom
              age: "18"
          flags: [vvv, reg, toObj]
    
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 -> c0086
                 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/c0086
    module: [self], instance id: [dev], exec profile: []
    profile -  envVars:
    
    (*core.Cache)({
    })
    
    Task1: [task ==> task: generate logs ]
    -Step1:
    dvar> linelist:
    "- hello\n- this\n- is a\n- beautiful world\n"
    
    -
    - hello
    - this
    - is a
    - beautiful world
    
    self: final context exec vars:
    
    (*core.Cache)({
      "lines": "hello\nthis\nis a\nbeautiful world",
      "up_runtime_task_layer_number": 0,
      "linelist_object": {
        "hello",
        "this",
        "is a",
        "beautiful world"
      },
      "linelist": "- hello\n- this\n- is a\n- beautiful world\n"
    })
    
    cmd( 1):
    echo '{{.lines}}'
    
    -
    hello
    this
    is a
    beautiful world
    
    -
     .. ok
    cmd( 2):
    echo '{{.linelist}}'
    
    -
    - hello
    - this
    - is a
    - beautiful world
    
    
    -
     .. ok
    cmd( 3):
    echo '{{.linelist_object}}'
    
    -
    [hello this is a beautiful world]
    
    -
     .. ok
    . ok
    -Step2:
    dvar> void:
    "- hello\n- this\n- is a\n- beautiful world\n"
    
    -
    - hello
    - this
    - is a
    - beautiful world
    
    self: final context exec vars:
    
    (*core.Cache)({
      "last_result": (*utils.ExecResult)({
        Cmd: "echo '[hello this is a beautiful world]'",
        Code: 0,
        Output: "[hello this is a beautiful world]",
        ErrMsg: ""
      }),
      "up_runtime_task_layer_number": 0,
      "lines": "hello\nthis\nis a\nbeautiful world",
      "linelist_object": {
        "hello",
        "this",
        "is a",
        "beautiful world"
      }
    })
    
    cmd( 1):
    echo '{{.lines}}'
    
    -
    hello
    this
    is a
    beautiful world
    
    -
     .. ok
    cmd( 2):
    echo '{{.linelist}}'
    
    -
    <no value>
    
    -
     .. ok
    cmd( 3):
    echo '{{.linelist_object}}'
    
    -
    [hello this is a beautiful world]
    
    -
     .. ok
    . ok
    -Step3:
    dvar> void:
    "- hello\n- this\n- is a\n- beautiful world\n"
    
    -
    - hello
    - this
    - is a
    - beautiful world
    
    self: final context exec vars:
    
    (*core.Cache)({
      "lines": "hello\nthis\nis a\nbeautiful world",
      "linelist_object": {
        "hello",
        "this",
        "is a",
        "beautiful world"
      },
      "last_result": (*utils.ExecResult)({
        Cmd: "echo '[hello this is a beautiful world]'",
        Code: 0,
        Output: "[hello this is a beautiful world]",
        ErrMsg: ""
      }),
      "up_runtime_task_layer_number": 0
    })
    
    cmd( 1):
    echo '{{.lines}}'
    
    -
    hello
    this
    is a
    beautiful world
    
    -
     .. ok
    cmd( 2):
    echo '{{.linelist}}'
    
    -
    <no value>
    
    -
     .. ok
    cmd( 3):
    echo '{{.linelist_object}}'
    
    -
    [hello this is a beautiful world]
    
    -
     .. ok
    . ok
    -Step4:
    self: final context exec vars:
    
    (*core.Cache)({
      "linelist_object": {
        "hello",
        "this",
        "is a",
        "beautiful world"
      },
      "last_result": (*utils.ExecResult)({
        Cmd: "echo '[hello this is a beautiful world]'",
        Code: 0,
        Output: "[hello this is a beautiful world]",
        ErrMsg: ""
      }),
      "up_runtime_task_layer_number": 0,
      "lines": "hello\nthis\nis a\nbeautiful world"
    })
    
    cmd( 1):
    echo '{{.lines}}'
    
    -
    hello
    this
    is a
    beautiful world
    
    -
     .. ok
    cmd( 2):
    echo '{{.linelist}}'
    
    -
    <no value>
    
    -
     .. ok
    cmd( 3):
    echo '{{.linelist_object}}'
    
    -
    [hello this is a beautiful world]
    
    -
     .. ok
    . ok
    -Step5:
    dvar> void:
    "person:\n  name: tom\n  age: \"18\""
    
    -
    person:
      name: tom
      age: "18"
     WARN: [?reg a void] - [you can't register a object with void name, use a proper name instead or split to multiple steps]
    dvar[object]> void_object:
    {
      "person": {
        "name": "tom",
        "age": "18"
      }
    }
    
    self: final context exec vars:
    
    (*core.Cache)({
      "up_runtime_task_layer_number": 0,
      "lines": "hello\nthis\nis a\nbeautiful world",
      "linelist_object": {
        "hello",
        "this",
        "is a",
        "beautiful world"
      },
      "last_result": (*utils.ExecResult)({
        Cmd: "echo '[hello this is a beautiful world]'",
        Code: 0,
        Output: "[hello this is a beautiful world]",
        ErrMsg: ""
      })
    })
    
     WARN: [shell] - [Not implemented or void for no action!]
    . ok
    
Logs with different verbose level
Raw logs with different verbose level

Other references: