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#!@PYTHON@ -tt
# -*- coding: utf-8 -*-
import sys
import atexit
sys.path.append("@FENCEAGENTSLIBDIR@")
from fencing import *
from fencing import fail, EC_STATUS, EC_LOGIN_DENIED, EC_INVALID_PRIVILEGES, run_delay
import requests
import ast
import urllib3
import json
import logging
from requests.exceptions import ConnectionError
###################################################################################
# Inner functions
def authorize_and_get_cookie(skala_ip, login, password, options):
URL0 = proto + str(skala_ip) + '/api/0/auth'
cred = {
"login" : str(login),
"password" : str(password)
}
try:
with requests.Session() as session:
session.post(url=URL0, data=cred, verify=ssl_verify)
cookie = session.cookies.get_dict()
except:
logging.exception('Exception occured.')
fail(EC_LOGIN_DENIED)
if 'api_token' in cookie:
return cookie
else:
fail(EC_LOGIN_DENIED)
def logout(skala_ip):
URL1 = proto + str(skala_ip) + '/api/0/logout'
try:
with requests.Session() as session:
session.post(url=URL1, verify=ssl_verify, cookies=cookie)
except:
## Logout; we do not care about result as we will end in any case
pass
def get_vm_id(skala_ip, uuid, options, cookie):
URL2 = proto + str(skala_ip) + '/api/0/vm'
parameters = {
"uuid": str(uuid)
}
vm_info = requests.get(url=URL2, verify=ssl_verify, params=parameters, cookies=cookie)
jvm_info = vm_info.json()
if jvm_info["vm_list"]["items"] == []:
raise NameError('Can not find VM by uuid.')
logging.debug("VM_INFO:\n{}".format(json.dumps(vm_info.json(), indent=4, sort_keys=True)))
return jvm_info["vm_list"]["items"][0]["vm_id"]
def vm_task(skala_ip, vm_id, command, options, cookie):
# command(str) – Command for vm: ‘vm_start’, ‘vm_stop’, ‘vm_restart’,
# ‘vm_suspend’, ‘vm_resume’, ‘vm_pause’, ‘vm_reset’
# main_request_id(TaskId) – Parent task id
# graceful(bool) – vm_stop command parameter, graceful or not, default
# false - *args[0]
# force(bool) – vm_stop command parameter, force stop or not, default
# false - *args[1]
if "--graceful" in options:
graceful = True
else:
graceful = False
if "--force" in options:
force = True
else:
force = False
URL3 = proto + str(skala_ip) + '/api/0/vm/' + str(vm_id) + '/task'
logging.debug("vm_task skala_ip: " + str(skala_ip))
logging.debug("vm_task vm_id: " + str(vm_id))
logging.debug("vm_task command: " + str(command))
logging.debug("vm_task cookie: " + str(cookie))
def checking(vm_id, command, graceful, force):
firstcondition = type(vm_id) is int
secondcondition = command in ['vm_start', 'vm_stop', 'vm_restart', 'vm_suspend', 'vm_resume', 'vm_pause', 'vm_reset']
thirdcondition = type(graceful) is bool
fourthcondition = type(force) is bool
return firstcondition * secondcondition * thirdcondition * fourthcondition
if not checking(vm_id, command, graceful, force):
print('Wrong parameters! \n'
'command(str) – Command for vm: ‘vm_start’, ‘vm_stop’, \n'
'‘vm_restart’,‘vm_suspend’, ‘vm_resume’, ‘vm_pause’, ‘vm_reset’ \n'
'graceful(bool) – vm_stop command parameter, graceful or not, default false \n'
'force(bool) – vm_stop command parameter, force stop or not, default false \n'
)
else:
parameters = {
"command": command,
"graceful": graceful,
"force": force
}
with requests.Session() as session:
response = session.post(url=URL3, params=parameters, verify=ssl_verify, cookies=cookie)
if response.status_code != 200:
raise Exception('Invalid response code from server: {}.'.format(response.status_code))
return
######################################################################################
def get_power_status(conn, options):
state = {"RUNNING": "on", "PAUSED": "on", "STOPPED": "off", "SUSPENDED": "off", "ERROR": "off", "DELETED": "off",
"CREATING": "off", "FAILED_TO_CREATE": "off", "NODE_OFFLINE": "off", "STARTING": "off", "STOPPING": "on"}
URL4 = proto + options["--ip"] + '/api/0/vm/'
parameters = {
"uuid": str(options["--plug"])
}
vm_info = requests.get(url=URL4, params=parameters, verify=ssl_verify, cookies=cookie)
jvm_info = vm_info.json()
if jvm_info["vm_list"]["items"] == []:
raise NameError('Can not find VM by uuid.')
logging.debug("VM_INFO:\n{}".format(json.dumps(vm_info.json(), indent=4, sort_keys=True)))
status_v = jvm_info["vm_list"]["items"][0]["status"]
if status_v not in state:
raise Exception('Unknown VM state: {}.'.format(status_v))
return state[status_v]
def set_power_status(conn, options):
action = {
"on" : "vm_start",
"reboot": "vm_restart",
"off" : "vm_stop"
}
vm_id_v = get_vm_id(options["--ip"], options["--plug"], options, cookie)
vm_task(options["--ip"], vm_id_v, action[options["--action"]], options, cookie)
return
def get_list(conn, options):
outlets = {}
URL5 = proto + options["--ip"] + '/api/0/vm'
vm_info = requests.get(url=URL5, verify=ssl_verify, cookies=cookie)
jvm_info = vm_info.json()
list_jvm = jvm_info["vm_list"]["items"]
for elem in list_jvm:
outlets[elem["name"]] = (elem["uuid"], None)
return outlets
def define_new_opts():
all_opt["graceful"] = {
"getopt" : "",
"longopt" : "graceful",
"help" : "--graceful vm_stop command parameter, graceful stop or not, default false",
"required" : "0",
"shortdesc" : "vm_stop command parameter, graceful stop or not, default false",
"order" : 1}
all_opt["force"] = {
"getopt" : "",
"longopt" : "force",
"help" : "--force vm_stop command parameter, force stop or not, default false",
"required" : "0",
"shortdesc" : "vm_stop command parameter, force stop or not, default false",
"order" : 1}
def main():
global cookie, proto, ssl_verify
define_new_opts()
device_opt = ["ipaddr", "login", "passwd", "port", "web", "ssl", "verbose", "graceful", "force"]
atexit.register(atexit_handler)
options = check_input(device_opt, process_input(device_opt))
docs = {}
docs["shortdesc"] = "Skala-R Fence agent"
docs["longdesc"] = "A fence agent for Skala-R."
docs["vendorurl"] = "https://www.skala-r.ru/"
show_docs(options, docs)
options["eol"] = "\r"
run_delay(options)
proto = "https://"
if "--ssl-secure" in options:
ssl_verify = True
elif "--ssl-insecure" in options:
ssl_verify = False
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
else:
proto = "http://"
ssl_verify = False
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
cookie = authorize_and_get_cookie(options["--ip"], options["--username"], options["--password"], options)
atexit.register(logout, options["--ip"])
logging.debug("OPTIONS: " + str(options) + "\n")
try:
result = fence_action(None, options, set_power_status, get_power_status, get_list)
sys.exit(result)
except Exception:
logging.exception('Exception occured.')
fail(EC_STATUS)
if __name__ == "__main__":
main()
|
