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| Dir : //proc/self/root/opt/saltstack/salt/lib/python3.10/site-packages/salt/states/lvs_service.py |
"""
Management of LVS (Linux Virtual Server) Service
================================================
"""
def __virtual__():
"""
Only load if the lvs module is available in __salt__
"""
if "lvs.get_rules" in __salt__:
return "lvs_service"
return (False, "lvs module could not be loaded")
def present(
name,
protocol=None,
service_address=None,
scheduler="wlc",
):
"""
Ensure that the named service is present.
name
The LVS service name
protocol
The service protocol
service_address
The LVS service address
scheduler
Algorithm for allocating TCP connections and UDP datagrams to real servers.
.. code-block:: yaml
lvstest:
lvs_service.present:
- service_address: 1.1.1.1:80
- protocol: tcp
- scheduler: rr
"""
ret = {"name": name, "changes": {}, "result": True, "comment": ""}
# check service
service_check = __salt__["lvs.check_service"](
protocol=protocol, service_address=service_address
)
if service_check is True:
service_rule_check = __salt__["lvs.check_service"](
protocol=protocol, service_address=service_address, scheduler=scheduler
)
if service_rule_check is True:
ret["comment"] = f"LVS Service {name} is present"
return ret
else:
if __opts__["test"]:
ret["result"] = None
ret["comment"] = (
"LVS Service {} is present but some options should update".format(
name
)
)
return ret
else:
service_edit = __salt__["lvs.edit_service"](
protocol=protocol,
service_address=service_address,
scheduler=scheduler,
)
if service_edit is True:
ret["comment"] = f"LVS Service {name} has been updated"
ret["changes"][name] = "Update"
return ret
else:
ret["result"] = False
ret["comment"] = f"LVS Service {name} update failed"
return ret
else:
if __opts__["test"]:
ret["comment"] = (
f"LVS Service {name} is not present and needs to be created"
)
ret["result"] = None
return ret
else:
service_add = __salt__["lvs.add_service"](
protocol=protocol, service_address=service_address, scheduler=scheduler
)
if service_add is True:
ret["comment"] = f"LVS Service {name} has been created"
ret["changes"][name] = "Present"
return ret
else:
ret["comment"] = "LVS Service {} create failed({})".format(
name, service_add
)
ret["result"] = False
return ret
def absent(name, protocol=None, service_address=None):
"""
Ensure the LVS service is absent.
name
The name of the LVS service
protocol
The service protocol
service_address
The LVS service address
"""
ret = {"name": name, "changes": {}, "result": True, "comment": ""}
# check if service exists and remove it
service_check = __salt__["lvs.check_service"](
protocol=protocol, service_address=service_address
)
if service_check is True:
if __opts__["test"]:
ret["result"] = None
ret["comment"] = "LVS Service {} is present and needs to be removed".format(
name
)
return ret
service_delete = __salt__["lvs.delete_service"](
protocol=protocol, service_address=service_address
)
if service_delete is True:
ret["comment"] = f"LVS Service {name} has been removed"
ret["changes"][name] = "Absent"
return ret
else:
ret["comment"] = "LVS Service {} removed failed({})".format(
name, service_delete
)
ret["result"] = False
return ret
else:
ret["comment"] = f"LVS Service {name} is not present, so it cannot be removed"
return ret