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-rw-r--r--agents/skalar/fence_skalar.py226
1 files changed, 226 insertions, 0 deletions
diff --git a/agents/skalar/fence_skalar.py b/agents/skalar/fence_skalar.py
new file mode 100644
index 0000000..0e11d83
--- /dev/null
+++ b/agents/skalar/fence_skalar.py
@@ -0,0 +1,226 @@
+#!@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()
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 01:22:44 +0000