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Dir : //proc/self/root/opt/saltstack/salt/lib/python3.10/site-packages/salt/states/event.py

"""
Send events through Salt's event system during state runs
"""

import salt.utils.functools


def send(
    name,
    data=None,
    preload=None,
    with_env=False,
    with_grains=False,
    with_pillar=False,
    show_changed=True,
    **kwargs
):
    """
    Send an event to the Salt Master

    .. versionadded:: 2014.7.0

    Accepts the same arguments as the :py:func:`event.send
    <salt.modules.event.send>` execution module of the same name,
    with the additional argument:

    :param show_changed: If ``True``, state will show as changed with the data
        argument as the change value. If ``False``, shows as unchanged.

    Example:

    .. code-block:: yaml

        # ...snip bunch of states above

        mycompany/mystaterun/status/update:
          event.send:
            - data:
                status: "Half-way through the state run!"

        # ...snip bunch of states below
    """
    ret = {"name": name, "changes": {}, "result": False, "comment": ""}
    if show_changed:
        ret["changes"] = {"tag": name, "data": data}
    else:
        ret["changes"] = {}

    if __opts__["test"]:
        ret["result"] = None
        ret["comment"] = "Event would have been fired"
        return ret

    ret["result"] = __salt__["event.send"](
        name,
        data=data,
        preload=preload,
        with_env=with_env,
        with_grains=with_grains,
        with_pillar=with_pillar,
        **kwargs
    )
    ret["comment"] = "Event fired"

    return ret


def wait(name, sfun=None, data=None):
    """
    Fire an event on the Salt master event bus if called from a watch statement

    .. versionadded:: 2014.7.0

    Example:

    .. code-block:: jinja

        # Stand up a new web server.
        apache:
          pkg:
            - installed
            - name: httpd
          service:
            - running
            - enable: True
            - name: httpd

        # Notify the load balancer to update the pool once Apache is running.
        refresh_pool:
          event:
            - wait
            - name: mycompany/loadbalancer/pool/update
            - data:
                new_web_server_ip: {{ grains['ipv4'] | first() }}
            - watch:
              - pkg: apache
    """
    # Noop. The state system will call the mod_watch function instead.
    return {"name": name, "changes": {}, "result": True, "comment": ""}


mod_watch = salt.utils.functools.alias_function(send, "mod_watch")
fire_master = salt.utils.functools.alias_function(send, "fire_master")