def __init__(self):
self.conf = OpenstackConfManager()
self.conf.read()
self.images = None
self.instance_types = None
self.keys = None
self.security_groups = None
self.networks = None
self.floatingi_list = None
self.instances = None
self.os_monitor = None
self.rule_engine_monitor = None
self.os_agent = None
self.os_monitor = None
self.instances_cloned_time = {}
self.cloned_instances = {}
print("OpenStack CloudTUI components configured.")
class Openstack:
def __init__(self):
self.conf = OpenstackConfManager()
self.conf.read()
self.images = None
self.instance_types = None
self.keys = None
self.security_groups = None
self.networks = None
self.floatingi_list = None
self.instances = None
self.os_monitor = None
self.rule_engine_monitor = None
self.os_agent = None
self.os_monitor = None
self.instances_cloned_time = {}
self.cloned_instances = {}
print("OpenStack CloudTUI components configured.")
def get_conf(self):
return self.conf
def connect(self):
"""Connection to the endpoint specified in the configuration file"""
try:
self.nova = Client(2,
self.conf.username,
self.conf.password,
self.conf.tenant_name,
self.conf.auth_url)
logging.debug("OpenStack client instance successfully created")
except Exception as e:
logging.error("Connection error({0})".format(e.message))
# end OpenStack Python SDK #
def create_new_instance(self):
try:
# image
self.print_all_images()
if len(self.images) > 0:
image_index = input("Select image: \n> ")
self.image = self.get_input(type='image', index=image_index)
else:
print("There are no images available!")
return False
#flavor
self.print_all_instance_types()
if len(self.instance_types) > 0:
instance_index = input("Select instance type: ")
self.instance_type = self.get_input(type='instance_type', index=instance_index)
else:
print("There are no instance types available!")
return False
# security groups
self.print_all_security_groups()
if len(self.security_groups) > 0:
security_group_index = input("Select security group: ")
self.security_group = self.get_input(type='security_group', index=security_group_index)
else:
print("There are no security groups available!")
return False
# key name
self.print_all_networks()
if len(self.networks) > 0:
network_index = input("Select network: ")
network_info = self.get_input(type='network', index=network_index)
self.network = network_info[0]
self.network_id = network_info[1]
else:
print("There are no networks available!")
return False
# network
self.print_all_key_pairs()
if len(self.keys) > 0:
key_index = input("Select key: ")
self.key_name = self.get_input(type='key_name', index=key_index)
else:
print("There are no keys available!")
return False
server_name = raw_input("Insert instance name: ")
while len(server_name) == 0:
print("\nInstance name is mandatory.\n")
server_name = raw_input("Insert instance name: ")
print("\n--- Creating new instance with the following properties:")
print("- %-20s %-30s" % ("Image name", str(self.image)))
print("- %-20s %-30s" % ("Instance type", str(self.instance_type)))
print("- %-20s %-30s" % ("Security group", str(self.security_group)))
print("- %-20s %-30s" % ("Key pair", str(self.key_name)))
print("- %-20s %-30s" % ("Network", str(self.network)))
image = self.nova.images.find(name=self.image)
flavor = self.nova.flavors.find(name=self.instance_type)
nics = [{"net-id": self.network_id}]
instance = self.nova.servers.create(name=server_name,
image=image,
flavor=flavor,
key_name=self.key_name,
security_groups=[self.security_group],
nics=nics)
except AbortOperationException:
print("Operation aborted\n\n")
return False
def get_input(self, type, index):
while True:
try:
selected = self.get_requested_type(type, index)
return selected
except IndexError:
index = input("Bad input, please try again or press 0 to abort: \n> ")
if index is 0:
raise AbortOperationException
def get_requested_type(self, type, index):
if type == 'image':
return self.images[index - 1]._info['name']
elif type == 'instance_type':
return self.instance_types[index - 1]._info['name']
elif type == 'security_group':
return self.security_groups[index - 1].name
elif type == 'network':
return (self.networks[index - 1].label, self.networks[index - 1].id)
elif type == 'key_name':
return self.keys[index - 1]._info['keypair']['name']
else:
return None
def instance_action(self, action):
try:
self.print_all_instances()
if len(self.instances) == 0:
print("You don't have any instance running or pending")
else:
instance_index = input("Please select the instance: ")
if action == "reboot":
self.nova.servers.reboot(self.instances[instance_index - 1])
print("Instance rebooted")
elif action == "delete":
instance_id = self.instances[instance_index - 1]
self.nova.servers.delete(instance_id)
# if the instance is a clone, remove from the cloned instances list
if instance_id in self.cloned_instances:
del self.cloned_instances[instance_id]
print("Instance terminated")
elif action == "diagnostic":
diagnostics = self.nova.servers.diagnostics(self.instances[instance_index - 1])
print(diagnostics)
else:
raise Exception("Action not supported")
except Exception as e:
print("An error occured: {0}".format(e.message))
def get_instance_info(self):
info = []
for instance in self.nova.servers.list():
info.append({"id": instance.id, "name": instance.name})
return info
def print_all_instances(self):
"""Print instance id, image id, public DNS and state for each active instance"""
print("--- Instances ---")
print("%-10s %-25s %-25s %-25s %-45s %-20s" % ("-", "Name", "Created", "Key name", "Private IP Address", "Status"))
self.instances = self.nova.servers.list()
if len(self.instances) == 0:
print("You don't have any instance running or pending")
else:
i = 1
for instance in self.instances:
print("%-10s %-25s %-25s %-25s %-45s %-20s" % (i, instance.name, instance._info['created'],
instance._info['key_name'], instance.networks,
instance.status))
i += 1
@bind_action('Openstack','alarm')
def alarm(self,instance_id):
logging.debug("Alarm on resource: {0}".format(instance_id))
@bind_action('Openstack','clone')
def clone_instance(self, instance_id):
'''
Create a new instance that is a clone of the instance with the instance ID
passed as parameter
'''
if instance_id not in self.instances_cloned_time:
self.instances_cloned_time[instance_id] = 0
''' Check if the instance the "not clone" time is passed '''
if self.is_clonable(self.instances_cloned_time[instance_id]):
instance = self.nova.servers.get(instance_id)
if self.networks is None:
self.networks = self.nova.networks.list()
nics = []
for net_id in instance._info['addresses'].keys():
for network in self.networks:
if network.label == net_id:
nics.append({"net-id": network.id})
security_groups = []
for security_group in instance._info['security_groups']:
security_groups.append(security_group['name'])
clone_str = "\n\n"
clone_str += "*" * 80 + "\n"
clone_str += "Cloning the instance {0}...\n".format(instance_id)
clone_str += "name: " + instance.name + "-clone\n"
clone_str += "image id: " + str(instance._info['image']['id']) + "\n"
clone_str += "flavor id: " + str(instance._info['flavor']['id']) + "\n"
clone_str += "key name: " + str(instance._info['key_name']) + "\n"
clone_str += "sec groups: " + str(security_groups) + "\n"
clone_str += "nics: " + str(nics) + "\n"
clone_str += "*" * 80 + "\n\n"
instance = self.nova.servers.create(name=instance.name + "-clone",
image=instance._info['image']['id'],
flavor=instance._info['flavor']['id'],
key_name=instance._info['key_name'],
security_groups=security_groups,
nics=nics)
self.instances_cloned_time[instance_id] = time.time()
self.cloned_instances.append(instance.id)
logging.info("Instance {0} cloned".format(instance_id))
logging.info(clone_str)
else:
logging.info("Instance {0} not clonable, clone wait time not elapsed".format(instance_id))
def is_clonable(self, last_instance_cloned_time):
now = time.time()
if (now - last_instance_cloned_time) > self.conf.clone_wait_time_ms:
return True
else:
return False
def print_all_images(self):
"""
Print id and other useful information of all images available
"""
print("--- Images available ---")
print("%-10s %-40s %-55s %-25s" % ("ID", "Image ID", "Name", "State"))
if self.images is None:
self.images = self.nova.images.list()
i = 1
for image in self.images:
print("%-10s %-40s %-55s %-25s" % (i, image._info['id'], image._info['name'], image._info['status']))
i = i + 1
def print_all_instance_types(self):
"""
Print id and other useful information of all instance types available
"""
print("--- Instance type available ---")
print("%-10s %-25s %-15s %-15s %-15s" % ("ID", "Instance name", "Memory (MB)", "Disk (GB)", "Cores"))
if self.instance_types is None:
self.instance_types = self.nova.flavors.list()
for instance_type in self.instance_types:
print("%-10s %-25s %-15s %-15s %-15s" % (instance_type._info['id'], instance_type._info['name'],
instance_type._info['ram'], instance_type._info['disk'],
instance_type._info['vcpus']))
def print_all_key_pairs(self):
"""
Print id and other useful information of all key pairs available
"""
print("--- Keys available ---")
print("%-10s %-25s %-35s" % ("ID", "Key name", "Key fingerprint"))
if self.keys is None:
self.keys = self.nova.keypairs.list()
i = 1
for key in self.keys:
print("%-10s %-25s %-35s" % (i, key._info['keypair']['name'], key._info['keypair']['fingerprint']))
i = i + 1
def print_all_security_groups(self):
"""
Print id and other useful information of all security groups available
"""
print("--- Security groups available ---")
print("%-10s %-25s %-35s" % ("ID", "SG name", "SG description"))
if self.security_groups is None:
self.security_groups = self.nova.security_groups.list()
i = 1
for security_group in self.security_groups:
print("%-10s %-25s %-35s" % (i, security_group.name, security_group.description))
i = i + 1
def print_all_networks(self):
"""
Print id and other useful information of all networks available
"""
print("--- Networks available ---")
print("%-10s %-25s %-35s" % ("ID", "Network name", "Description"))
if self.networks is None:
self.networks = self.nova.networks.list()
i = 1
print(self.networks[0])
for network in self.networks:
print("%-10s %-25s %-30s" % (i, network.label, network.id))
i = i + 1
def print_floating_ip(self):
"""
Print ip and other useful information of all floating ip available
"""
print("--- Floating Ips available ---")
print("%-10s %-25s %-35s" % ("ID", "PublicIp", "AssociatedPrivateIp"))
if self.floatingip_list is None:
self.floatingip_list = self.nova.floating_ips.list()
free = False
i = 1
for floating_ips in self.floatingip_list:
if floating_ips.fixed_ip is None:
free = True
print("%-10s %-25s %-35s" % (i, floating_ips.ip, floating_ips.fixed_ip))
i = i + 1
return free
def check_choice(self, str_prompt):
yes = set(['yes', 'y', 'ye', ''])
no = set(['no', 'n'])
print(str_prompt)
choice = raw_input("(Yes/No)").lower()
if choice.isalpha():
if choice in yes:
return True
elif choice in no:
return False
else:
print("Please respond with 'yes' or 'no'")
def manage_floating_ip(self):
self.floatingip_list = self.nova.floating_ips.list()
no_ips = self.print_floating_ip()
if no_ips is False:
choice = self.check_choice("Would you instantiate a new Public Ip?")
if choice is True:
self.create_ips()
self.floatingip_list = None
elif choice is False:
if len(self.floatingip_list) > 0:
choice2 = self.check_choice("\nWould you Release a Public Ip?")
if choice2 is True:
self.release_ips()
else:
choice = self.check_choice("\nWould you Associate a Public Ip to an Instance?")
if choice is True:
self.associate_ips()
elif choice is False:
choice2 = self.check_choice("\nWould you Release a Public Ip?")
if choice2 is True:
self.release_ips()
elif choice2 is False:
pass
def release_ips(self):
self.print_floating_ip()
if len(self.floatingip_list) > 0:
ip_index = input("Select the ip to release: ")
while True:
try:
self.ip_relased_id = self.floatingip_list[ip_index - 1].id
break
except IndexError:
ip_index = input("Try Again...Select Ip: ")
if self.floatingip_list[ip_index - 1].fixed_ip is not None:
print ("Warning: Address in Use")
choice3 = self.check_choice("\nWould you Continue?")
if choice3 is False:
return False
self.nova.floating_ips.delete(self.ip_relased_id)
print ("Address released")
def associate_ips(self):
for floating_ips in self.floatingip_list:
if floating_ips.fixed_ip is None:
free_ip = floating_ips
break
try:
self.print_all_instances()
if len(self.instances) == 0:
print("You don't have any instance running or pending")
return False
else:
instance_index = input("Please select the instance: ")
while True:
try:
instace_choosen = self.instances[instance_index - 1]
break
except IndexError:
instance_index = input("Please re-select the instance: ")
except Exception as e:
print("An error occured: {0}".format(e.message))
self.nova.servers.add_floating_ip(instace_choosen, free_ip)
print ("Public IP associated")
def create_ips(self):
try:
self.network_id = self.floatingip_list[0].pool
except IndexError:
self.print_all_networks()
if len(self.networks) > 0:
net_index = input("Select the public network: ")
while True:
try:
self.network = self.networks[net_index - 1].label
self.network_id = self.networks[net_index - 1].id
break
except IndexError:
net_index = input("No valid Input\n Select the public network again (0 for exit): ")
if net_index is 0:
print ("returning to Main Menu'...")
return False
else:
print("There are no networks available!")
return False
self.nova.floating_ips.create(self.network_id)
print ("Floating Ip created")
def monitor_status(self):
if self.os_monitor is not None:
print("\n\n\033[92mMonitor enabled\033[0m\n\n")
self.print_monitored_instances()
else:
print("\n\n\033[93mMonitor not enabled\033[0m\n\n")
def print_monitored_instances(self):
pass
def print_active_rules(self):
if self.os_monitor is not None:
self.rule_engine_monitor.print_policies()
else:
print("\n\033[93mMonitor not enabled\033[0m")
print("\033[93mNo active policies has been found\033[0m\n")
def start_stop_monitor(self):
if self.os_monitor is not None:
self.stop_monitor()
self.os_monitor = None
self.rule_engine_monitor = None
self.os_agent = None
monitoring = False
print("\n\033[94mOpenStack monitor agent has been stopped\033[0m\n")
else:
logging.debug("Monitor not enabled, starting threads")
print("\nStarting OpenStack monitor...")
self.start_monitor()
print("\n\033[92mOpenStack monitor has been started\033[0m\n")
monitoring = True
return monitoring
def start_monitor(self):
meters_queue = Queue()
cmd_queue = Queue()
resources = self.get_instance_info()
self.os_monitor = OpenstackMonitor(resources=resources, conf=self.conf)
monitor = Thread(target=self.os_monitor.run, args=(meters_queue,))
monitor.setDaemon(True)
monitor.start()
logging.info("OpenStack Monitor thread started")
self.rule_engine_monitor = RuleEngine(resources=resources, cmd_queue=cmd_queue)
rule_engine_thread = Thread(target=self.rule_engine_monitor.run, args=(meters_queue,))
rule_engine_thread.setDaemon(True)
rule_engine_thread.start()
logging.info("RuleEngine thread started")
#self.os_agent = OpenstackAgent(manager=self)
self.os_agent = MetaAgent(manager=self)
os_agent_thread = Thread(target=self.os_agent.run, args=(cmd_queue,))
os_agent_thread.setDaemon(True)
os_agent_thread.start()
logging.info("OpenStack Agent thread started")
# cmd_queue.put({'command': 'stop'})
def stop_monitor(self):
if self.os_monitor is not None:
logging.debug("Monitor enabled, stopping threads")
self.os_monitor.stop()
self.rule_engine_monitor.stop()
self.os_agent.stop()
logging.info("Monitor agents have been stopped")
def show_menu(self):
menu_text = """\n******************** CloudTUI-FTS ********************\n
What would you like to do?
--------------------------
1) Create new instance
2) Show running instances
3) Reboot instance
4) Terminate instance
5) Retrieve diagnostic
6) Start/stop monitor
7) Monitor status
8) Show policies
9) Manage floating IP
10) Exit
\n"""
print(menu_text)
try:
# user input
print("Please make a choice: ")
choice = input()
if choice == 1:
self.create_new_instance()
elif choice == 2:
self.print_all_instances()
elif choice == 3:
self.instance_action("reboot")
elif choice == 4:
self.instance_action("delete")
elif choice == 5:
self.instance_action("diagnostic")
elif choice == 6:
self.start_stop_monitor()
elif choice == 7:
self.monitor_status()
elif choice == 8:
self.print_active_rules()
elif choice == 9:
self.manage_floating_ip()
elif choice == 10:
self.stop_monitor()
exit(0)
else:
raise Exception("Unavailable choice!")
except Exception as e:
print(e.message)
