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fence_dummy.py
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fence_dummy.py
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#!@PYTHON@ -tt
import sys, random
import logging
import time
import atexit
sys.path.append("@FENCEAGENTSLIBDIR@")
from fencing import *
from fencing import fail_usage, run_delay
plug_status = "on"
def get_power_status_file(conn, options):
del conn
try:
status_file = open(options["--status-file"], 'r')
except Exception:
return "off"
status = status_file.read()
status_file.close()
return status.lower()
def set_power_status_file(conn, options):
del conn
if not (options["--action"] in ["on", "off"]):
return
status_file = open(options["--status-file"], 'w')
status_file.write(options["--action"])
status_file.close()
def get_power_status_fail(conn, options):
outlets = get_outlets_fail(conn, options)
if len(outlets) == 0 or "--plug" not in options:
fail_usage("Failed: You have to enter existing machine!")
else:
return outlets[options["--plug"]][0]
def set_power_status_fail(conn, options):
global plug_status
del conn
plug_status = "unknown"
if options["--action"] == "on":
plug_status = "off"
def get_outlets_fail(conn, options):
del conn
result = {}
global plug_status
if options["--action"] == "on":
plug_status = "off"
# This fake agent has no port data to list, so we have to make
# something up for the list action.
if options.get("--action", None) == "list":
result["fake_port_1"] = [plug_status, "fake"]
result["fake_port_2"] = [plug_status, "fake"]
elif "--plug" not in options:
fail_usage("Failed: You have to enter existing machine!")
else:
port = options["--plug"]
result[port] = [plug_status, "fake"]
return result
def main():
device_opt = ["no_password", "status_file", "random_sleep_range", "type", "no_port"]
atexit.register(atexit_handler)
all_opt["status_file"] = {
"getopt" : ":",
"longopt" : "status-file",
"help":"--status-file=[file] Name of file that holds current status",
"required" : "0",
"shortdesc" : "File with status",
"default" : "/tmp/fence_dummy.status",
"order": 1
}
all_opt["random_sleep_range"] = {
"getopt" : ":",
"longopt" : "random_sleep_range",
"help":"--random_sleep_range=[seconds] Issue a sleep between 1 and [seconds]",
"required" : "0",
"shortdesc" : "Issue a sleep between 1 and X seconds. Used for testing.",
"order": 1
}
all_opt["type"] = {
"getopt" : ":",
"longopt" : "type",
"help":"--type=[type] Possible types are: file and fail",
"required" : "0",
"shortdesc" : "Type of the dummy fence agent",
"default" : "file",
"order": 1
}
options = check_input(device_opt, process_input(device_opt))
docs = {}
docs["shortdesc"] = "Dummy fence agent"
docs["longdesc"] = "fence_dummy"
docs["vendorurl"] = "http://www.example.com"
show_docs(options, docs)
run_delay(options)
# random sleep for testing
if "--random_sleep_range" in options:
val = int(options["--random_sleep_range"])
ran = random.randint(1, val)
logging.info("Random sleep for %d seconds\n", ran)
time.sleep(ran)
if options["--type"] == "fail":
result = fence_action(None, options, set_power_status_fail, get_power_status_fail, get_outlets_fail)
else:
result = fence_action(None, options, set_power_status_file, get_power_status_file, None)
sys.exit(result)
if __name__ == "__main__":
main()

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