mirror of
https://github.com/GNS3/gns3-server
synced 2024-11-12 19:38:57 +00:00
Importing changeset from gns3dms repo
This commit is contained in:
Jerry Seutter
parent
6ff2c654d9
commit
6421367259
@ -77,6 +77,7 @@ Options:
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--cloud_user_name
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--instance_id ID of the Rackspace instance to terminate
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--region Region of instance
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--deadtime How long in seconds can the communication lose exist before we
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shutdown this instance.
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@ -111,6 +112,7 @@ def parse_cmd_line(argv):
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"cloud_user_name=",
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"cloud_api_key=",
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"instance_id=",
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"region=",
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"deadtime=",
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"init-wait=",
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"check-interval=",
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@ -130,6 +132,7 @@ def parse_cmd_line(argv):
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cmd_line_option_list["cloud_user_name"] = None
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cmd_line_option_list["cloud_api_key"] = None
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cmd_line_option_list["instance_id"] = None
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cmd_line_option_list["region"] = None
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cmd_line_option_list["deadtime"] = 60 * 60 #minutes
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cmd_line_option_list["check-interval"] = None
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cmd_line_option_list["init-wait"] = 5 * 60
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@ -145,7 +148,8 @@ def parse_cmd_line(argv):
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else:
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cmd_line_option_list['syslog'] = ('localhost',514)
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get_gns3config(cmd_line_option_list)
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get_gns3secrets(cmd_line_option_list)
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for opt, val in opts:
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if (opt in ("-h", "--help")):
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@ -161,6 +165,8 @@ def parse_cmd_line(argv):
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cmd_line_option_list["cloud_api_key"] = val
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elif (opt in ("--instance_id")):
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cmd_line_option_list["instance_id"] = val
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elif (opt in ("--region")):
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cmd_line_option_list["region"] = val
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elif (opt in ("--deadtime")):
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cmd_line_option_list["deadtime"] = int(val)
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elif (opt in ("--check-interval")):
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@ -199,9 +205,15 @@ def parse_cmd_line(argv):
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print(usage)
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sys.exit(2)
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if cmd_line_option_list["region"] is None:
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print("You need to specify a region")
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print(usage)
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sys.exit(2)
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return cmd_line_option_list
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def get_gns3config(cmd_line_option_list):
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def get_gns3secrets(cmd_line_option_list):
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"""
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Load cloud credentials from .gns3secrets
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"""
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@ -224,17 +236,6 @@ def get_gns3config(cmd_line_option_list):
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except configparser.NoSectionError:
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pass
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cloud_config_file = "%s/.config/GNS3/cloud.conf" % (
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os.path.expanduser("~/"))
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if os.path.isfile(cloud_config_file):
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config.read(cloud_config_file)
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try:
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for key, value in config.items("CLOUD_SERVER"):
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cmd_line_option_list[key] = value.strip()
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except configparser.NoSectionError:
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pass
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def set_logging(cmd_options):
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"""
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@ -351,9 +352,8 @@ def main():
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log.info("Received shutdown signal")
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options["shutdown"] = True
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sys.exit(0)
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pid_file = "%s/.gns3ias.pid" % (expanduser("~"))
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pid_file = "%s/.gns3dms.pid" % (expanduser("~"))
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if options["shutdown"]:
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send_shutdown(pid_file)
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@ -7,38 +7,38 @@ class daemon:
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Usage: subclass the daemon class and override the run() method."""
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def __init__(self, pidfile, options):
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def __init__(self, pidfile, options):
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self.pidfile = pidfile
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self.options = options
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def daemonize(self):
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"""Deamonize class. UNIX double fork mechanism."""
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try:
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pid = os.fork()
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try:
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pid = os.fork()
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if pid > 0:
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# exit first parent
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sys.exit(0)
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except OSError as err:
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sys.exit(0)
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except OSError as err:
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sys.stderr.write('fork #1 failed: {0}\n'.format(err))
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sys.exit(1)
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# decouple from parent environment
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os.chdir('/')
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os.setsid()
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os.umask(0)
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os.chdir('/')
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os.setsid()
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os.umask(0)
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# do second fork
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try:
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pid = os.fork()
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try:
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pid = os.fork()
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if pid > 0:
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# exit from second parent
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sys.exit(0)
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except OSError as err:
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sys.exit(0)
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except OSError as err:
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sys.stderr.write('fork #2 failed: {0}\n'.format(err))
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sys.exit(1)
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sys.exit(1)
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# redirect standard file descriptors
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sys.stdout.flush()
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sys.stderr.flush()
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@ -49,17 +49,26 @@ class daemon:
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os.dup2(si.fileno(), sys.stdin.fileno())
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os.dup2(so.fileno(), sys.stdout.fileno())
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os.dup2(se.fileno(), sys.stderr.fileno())
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# write pidfile
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atexit.register(self.delpid)
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pid = str(os.getpid())
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with open(self.pidfile,'w+') as f:
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f.write(pid + '\n')
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def delpid(self):
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os.remove(self.pidfile)
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def check_pid(self, pid):
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""" Check For the existence of a unix pid. """
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try:
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os.kill(pid, 0)
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except OSError:
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return False
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else:
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return True
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def start(self):
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"""Start the daemon."""
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@ -70,13 +79,19 @@ class daemon:
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pid = int(pf.read().strip())
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except IOError:
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pid = None
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if pid:
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message = "pidfile {0} already exist. " + \
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"Daemon already running?\n"
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pid_exist = self.check_pid(pid)
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if pid_exist:
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message = "Already running: %s\n" % (pid)
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sys.stderr.write(message)
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sys.exit(1)
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else:
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message = "pidfile {0} already exist. " + \
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"but process is dead\n"
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sys.stderr.write(message.format(self.pidfile))
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sys.exit(1)
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# Start the daemon
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self.daemonize()
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self.run()
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@ -90,14 +105,14 @@ class daemon:
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pid = int(pf.read().strip())
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except IOError:
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pid = None
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if not pid:
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message = "pidfile {0} does not exist. " + \
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"Daemon not running?\n"
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sys.stderr.write(message.format(self.pidfile))
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return # not an error in a restart
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# Try killing the daemon process
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# Try killing the daemon process
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try:
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while 1:
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os.kill(pid, signal.SIGTERM)
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@ -118,6 +133,6 @@ class daemon:
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def run(self):
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"""You should override this method when you subclass Daemon.
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It will be called after the process has been daemonized by
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It will be called after the process has been daemonized by
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start() or restart()."""
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@ -41,6 +41,7 @@ class Rackspace(object):
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self.authenticated = False
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self.hostname = socket.gethostname()
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self.instance_id = options["instance_id"]
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self.region = options["region"]
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log.debug("Authenticating with Rackspace")
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log.debug("My hostname: %s" % (self.hostname))
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@ -51,16 +52,17 @@ class Rackspace(object):
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if self.authenticated == False:
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log.critical("Not authenticated against rackspace!!!!")
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for region_dict in self.rksp.list_regions():
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region_k, region_v = region_dict.popitem()
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log.debug("Checking region: %s" % (region_k))
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self.rksp.set_region(region_v)
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for server in self.rksp.list_instances():
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log.debug("Checking server: %s" % (server.name))
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if server.name.lower() == self.hostname.lower() and server.id == self.instance_id:
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log.info("Found matching instance: %s" % (server.id))
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log.info("Startup id: %s" % (self.instance_id))
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return server
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for region in self.rksp.list_regions():
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log.debug("Rackspace regions: %s" % (region))
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log.debug("Checking region: %s" % (self.region))
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self.rksp.set_region(self.region)
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for server in self.rksp.list_instances():
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log.debug("Checking server: %s" % (server.name))
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if server.name.lower() == self.hostname.lower() and server.id == self.instance_id:
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log.info("Found matching instance: %s" % (server.id))
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log.info("Startup id: %s" % (self.instance_id))
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return server
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def terminate(self):
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server = self._find_my_instance()
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