gistfile1.txt

---
- hosts: localhost
  gather_facts: false

  vars:
    test_file_path: /tmp/test_config_file.txt
    original_file_content: |-
      hite-config {
          enable = false
          host-name = "host1"
          port = 201
          batch-size = 100
          patterns = ["example"]
          type = LINE
          prefix = "stats."${test}".service"
      }

      some-config1 {
          enable = false
          send-enable = false
          name = "lector"
          host-name = ${test}
          connection-timeout = 120000
          read-timeout = 60000
      }

      lorem-ipsum-config {
          enable = false
          send-enable = false
          name = "lector"
          host-name = ${test}
          connection-timeout = 120000
          read-timeout = 60000
      }

      dolor-sit-amet-config {
          enable = false
          send-enable = false
          name = "lector"
          host-name = ${test}
          connection-timeout = 120000
          read-timeout = 60000
      }

  tasks:
    - name: Create the test file with original content
      copy:
        dest: "{{ test_file_path }}"
        content: "{{ original_file_content }}"

    - name: Show the file content before replacement
      debug:
        msg: "{{ lookup('file', test_file_path).split('\n') }}"

    - name: Replace needed content
      replace:
        path: "{{ test_file_path }}"
        after: 'some-config {'
        before: '}'
        regexp: '^(\s*enable = )false$'
        replace: '\g<1>true'

    - name: Show file content after replacement
      debug:
        msg: "{{ lookup('file', test_file_path).split('\n') }}"



PLAY [localhost] ****************************************************************************************************************************************************************************************************************************

TASK [Create the test file with original content] *******************************************************************************************************************************************************************************************
changed: [localhost]

TASK [Show the file content before replacement] *********************************************************************************************************************************************************************************************
ok: [localhost] => {
    "msg": [
        "hite-config {",
        "    enable = false",
        "    host-name = \"host1\"",
        "    port = 201",
        "    batch-size = 100",
        "    patterns = [\"example\"]",
        "    type = LINE",
        "    prefix = \"stats.\"${test}\".service\"",
        "}",
        "",
        "some-config1 {",
        "    enable = false",
        "    send-enable = false",
        "    name = \"lector\"",
        "    host-name = ${test}",
        "    connection-timeout = 120000",
        "    read-timeout = 60000",
        "}",
        "",
        "some-config2 {",
        "  enable = false",
        "  send-enable = false",
        "  name = \"lector\"",
        "  host-name = ${test}",
        "  connection-timeout = 120000",
        "  read-timeout = 60000",
        "}",
        "",
        "lorem-ipsum-config {",
        "    enable = false",
        "    send-enable = false",
        "    name = \"lector\"",
        "    host-name = ${test}",
        "    connection-timeout = 120000",
        "    read-timeout = 60000",
        "}",
        "",
        "dolor-sit-amet-config {",
        "    enable = false",
        "    send-enable = false",
        "    name = \"lector\"",
        "    host-name = ${test}",
        "    connection-timeout = 120000",
        "    read-timeout = 60000",
        "}"
    ]
}

TASK [Replace needed content] ***************************************************************************************************************************************************************************************************************
changed: [localhost]

TASK [Show file content after replacement] **************************************************************************************************************************************************************************************************
ok: [localhost] => {
    "msg": [
        "hite-config {",
        "    enable = false",
        "    host-name = \"host1\"",
        "    port = 201",
        "    batch-size = 100",
        "    patterns = [\"example\"]",
        "    type = LINE",
        "    prefix = \"stats.\"${test}\".service\"",
        "}",
        "",
        "some-config1 {",
        "    enable = false",
        "    send-enable = false",
        "    name = \"lector\"",
        "    host-name = ${test}",
        "    connection-timeout = 120000",
        "    read-timeout = 60000",
        "}",
        "",
        "some-config2 {",
        "  enable = true",
        "  send-enable = false",
        "  name = \"lector\"",
        "  host-name = ${test}",
        "  connection-timeout = 120000",
        "  read-timeout = 60000",
        "}",
        "",
        "lorem-ipsum-config {",
        "    enable = false",
        "    send-enable = false",
        "    name = \"lector\"",
        "    host-name = ${test}",
        "    connection-timeout = 120000",
        "    read-timeout = 60000",
        "}",
        "",
        "dolor-sit-amet-config {",
        "    enable = false",
        "    send-enable = false",
        "    name = \"lector\"",
        "    host-name = ${test}",
        "    connection-timeout = 120000",
        "    read-timeout = 60000",
        "}"
    ]
}

PLAY RECAP **********************************************************************************************************************************************************************************************************************************
localhost                  : ok=4    changed=2    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0