Add ANSII colours to output commands for easy parsing
This commit is contained in:
parent
ad1bf35837
commit
640f38c3aa
|
@ -22,6 +22,17 @@
|
||||||
|
|
||||||
import os, sys, socket, time, libvirt, kazoo.client, threading, fencenode
|
import os, sys, socket, time, libvirt, kazoo.client, threading, fencenode
|
||||||
|
|
||||||
|
# ANSII colours for output
|
||||||
|
class bcolours:
|
||||||
|
PURPLE = '\033[95m'
|
||||||
|
BLUE = '\033[94m'
|
||||||
|
GREEN = '\033[92m'
|
||||||
|
YELLOW = '\033[93m'
|
||||||
|
RED = '\033[91m'
|
||||||
|
ENDC = '\033[0m'
|
||||||
|
BOLD = '\033[1m'
|
||||||
|
UNDERLINE = '\033[4m'
|
||||||
|
|
||||||
class NodeInstance():
|
class NodeInstance():
|
||||||
def __init__(self, name, t_node, s_domain, zk):
|
def __init__(self, name, t_node, s_domain, zk):
|
||||||
# Passed-in variables on creation
|
# Passed-in variables on creation
|
||||||
|
@ -87,7 +98,7 @@ class NodeInstance():
|
||||||
|
|
||||||
# Flush all VMs on the host
|
# Flush all VMs on the host
|
||||||
def flush(self):
|
def flush(self):
|
||||||
print('>>> Flushing node {} of running VMs.'.format(self.name))
|
print(bcolours.BLUE + '>>> ' + bcolours.ENDC + 'Flushing node {} of running VMs.'.format(self.name))
|
||||||
for dom_uuid in self.domain_list:
|
for dom_uuid in self.domain_list:
|
||||||
most_memfree = 0
|
most_memfree = 0
|
||||||
target_hypervisor = None
|
target_hypervisor = None
|
||||||
|
@ -104,12 +115,12 @@ class NodeInstance():
|
||||||
target_hypervisor = hypervisor
|
target_hypervisor = hypervisor
|
||||||
|
|
||||||
if target_hypervisor == None:
|
if target_hypervisor == None:
|
||||||
print('>>> Failed to find migration target for VM "{}"; shutting down.'.format(dom_uuid))
|
print(bcolours.RED + '>>> ' + bcolours.ENDC + 'Failed to find migration target for VM "{}"; shutting down.'.format(dom_uuid))
|
||||||
transaction = self.zk.transaction()
|
transaction = self.zk.transaction()
|
||||||
transaction.set_data('/domains/{}/state'.format(dom_uuid), 'shutdown'.encode('ascii'))
|
transaction.set_data('/domains/{}/state'.format(dom_uuid), 'shutdown'.encode('ascii'))
|
||||||
transaction.commit()
|
transaction.commit()
|
||||||
else:
|
else:
|
||||||
print('>>> Migrating VM "{}" to hypervisor "{}".'.format(dom_uuid, target_hypervisor))
|
print(bcolours.BLUE + '>>> ' + bcolours.ENDC + 'Migrating VM "{}" to hypervisor "{}".'.format(dom_uuid, target_hypervisor))
|
||||||
transaction = self.zk.transaction()
|
transaction = self.zk.transaction()
|
||||||
transaction.set_data('/domains/{}/state'.format(dom_uuid), 'migrate'.encode('ascii'))
|
transaction.set_data('/domains/{}/state'.format(dom_uuid), 'migrate'.encode('ascii'))
|
||||||
transaction.set_data('/domains/{}/hypervisor'.format(dom_uuid), target_hypervisor.encode('ascii'))
|
transaction.set_data('/domains/{}/hypervisor'.format(dom_uuid), target_hypervisor.encode('ascii'))
|
||||||
|
@ -120,14 +131,14 @@ class NodeInstance():
|
||||||
time.sleep(1)
|
time.sleep(1)
|
||||||
|
|
||||||
def unflush(self):
|
def unflush(self):
|
||||||
print('>>> Restoring node {} to active service.'.format(self.name))
|
print(bcolours.BLUE + '>>> ' + bcolours.ENDC + 'Restoring node {} to active service.'.format(self.name))
|
||||||
self.zk.set('/nodes/{}/state'.format(self.name), 'start'.encode('ascii'))
|
self.zk.set('/nodes/{}/state'.format(self.name), 'start'.encode('ascii'))
|
||||||
for dom_uuid in self.s_domain:
|
for dom_uuid in self.s_domain:
|
||||||
last_hypervisor = self.zk.get('/domains/{}/lasthypervisor'.format(dom_uuid))[0].decode('ascii')
|
last_hypervisor = self.zk.get('/domains/{}/lasthypervisor'.format(dom_uuid))[0].decode('ascii')
|
||||||
if last_hypervisor != self.name:
|
if last_hypervisor != self.name:
|
||||||
continue
|
continue
|
||||||
|
|
||||||
print('>>> Setting unmigration for VM "{}".'.format(dom_uuid))
|
print(bcolours.BLUE + '>>> ' + bcolours.ENDC + 'Setting unmigration for VM "{}".'.format(dom_uuid))
|
||||||
transaction = self.zk.transaction()
|
transaction = self.zk.transaction()
|
||||||
transaction.set_data('/domains/{}/state'.format(dom_uuid), 'migrate'.encode('ascii'))
|
transaction.set_data('/domains/{}/state'.format(dom_uuid), 'migrate'.encode('ascii'))
|
||||||
transaction.set_data('/domains/{}/hypervisor'.format(dom_uuid), self.name.encode('ascii'))
|
transaction.set_data('/domains/{}/hypervisor'.format(dom_uuid), self.name.encode('ascii'))
|
||||||
|
@ -142,7 +153,7 @@ class NodeInstance():
|
||||||
libvirt_name = "qemu:///system"
|
libvirt_name = "qemu:///system"
|
||||||
conn = libvirt.open(libvirt_name)
|
conn = libvirt.open(libvirt_name)
|
||||||
if conn == None:
|
if conn == None:
|
||||||
print('>>> Failed to open connection to {}'.format(libvirt_name))
|
print(bcolours.RED + '>>> ' + bcolours.ENDC + 'Failed to open connection to {}'.format(libvirt_name))
|
||||||
return
|
return
|
||||||
|
|
||||||
# Get past state and update if needed
|
# Get past state and update if needed
|
||||||
|
@ -193,7 +204,7 @@ class NodeInstance():
|
||||||
conn.close()
|
conn.close()
|
||||||
|
|
||||||
# Display node information to the terminal
|
# Display node information to the terminal
|
||||||
print('>>> {} - {} keepalive'.format(time.strftime('%d/%m/%Y %H:%M:%S'), self.name))
|
print(bcolours.PURPLE + '>>> ' + bcolours.ENDC + '{} - {} keepalive'.format(time.strftime('%d/%m/%Y %H:%M:%S'), self.name))
|
||||||
print(' CPUs: {} | Free memory: {} | Load: {}'.format(self.cpucount, self.memfree, self.cpuload))
|
print(' CPUs: {} | Free memory: {} | Load: {}'.format(self.cpucount, self.memfree, self.cpuload))
|
||||||
print(' Active domains: {}'.format(' '.join(self.domain_list)))
|
print(' Active domains: {}'.format(' '.join(self.domain_list)))
|
||||||
|
|
||||||
|
@ -210,7 +221,7 @@ class NodeInstance():
|
||||||
# (A node is considered dead when its keepalive timer is >30s out-of-date while in 'start' state)
|
# (A node is considered dead when its keepalive timer is >30s out-of-date while in 'start' state)
|
||||||
node_deadtime = int(time.time()) - 30
|
node_deadtime = int(time.time()) - 30
|
||||||
if node_keepalive < node_deadtime and node_state == 'start':
|
if node_keepalive < node_deadtime and node_state == 'start':
|
||||||
print('>>> Node {} is dead! Performing fence operation in 3 seconds.'.format(node_name))
|
print(bcolours.RED + '>>> ' + bcolours.ENDC + 'Node {} is dead! Performing fence operation in 3 seconds.'.format(node_name))
|
||||||
self.zk.set('/nodes/{}/state'.format(node_name), 'dead'.encode('ascii'))
|
self.zk.set('/nodes/{}/state'.format(node_name), 'dead'.encode('ascii'))
|
||||||
fence_thread = threading.Thread(target=fencenode.fence, args=(node_name, self.zk), kwargs={})
|
fence_thread = threading.Thread(target=fencenode.fence, args=(node_name, self.zk), kwargs={})
|
||||||
fence_thread.start()
|
fence_thread.start()
|
||||||
|
@ -248,7 +259,7 @@ class NodeInstance():
|
||||||
pass
|
pass
|
||||||
|
|
||||||
# Display cluster information to the terminal
|
# Display cluster information to the terminal
|
||||||
print('>>> {} - Cluster status'.format(time.strftime('%d/%m/%Y %H:%M:%S')))
|
print(bcolours.PURPLE + '>>> ' + bcolours.ENDC + '{} - Cluster status'.format(time.strftime('%d/%m/%Y %H:%M:%S')))
|
||||||
print(' Active nodes: {}'.format(' '.join(self.active_node_list)))
|
print(' Active nodes: {}'.format(' '.join(self.active_node_list)))
|
||||||
print(' Flushed nodes: {}'.format(' '.join(self.flushed_node_list)))
|
print(' Flushed nodes: {}'.format(' '.join(self.flushed_node_list)))
|
||||||
print(' Inactive nodes: {}'.format(' '.join(self.inactive_node_list)))
|
print(' Inactive nodes: {}'.format(' '.join(self.inactive_node_list)))
|
||||||
|
|
|
@ -22,6 +22,17 @@
|
||||||
|
|
||||||
import os, sys, uuid, socket, time, threading, libvirt, kazoo.client
|
import os, sys, uuid, socket, time, threading, libvirt, kazoo.client
|
||||||
|
|
||||||
|
# ANSII colours for output
|
||||||
|
class bcolours:
|
||||||
|
PURPLE = '\033[95m'
|
||||||
|
BLUE = '\033[94m'
|
||||||
|
GREEN = '\033[92m'
|
||||||
|
YELLOW = '\033[93m'
|
||||||
|
RED = '\033[91m'
|
||||||
|
ENDC = '\033[0m'
|
||||||
|
BOLD = '\033[1m'
|
||||||
|
UNDERLINE = '\033[4m'
|
||||||
|
|
||||||
class VMInstance:
|
class VMInstance:
|
||||||
def __init__(self, domuuid, zk, thishypervisor):
|
def __init__(self, domuuid, zk, thishypervisor):
|
||||||
# Passed-in variables on creation
|
# Passed-in variables on creation
|
||||||
|
@ -67,52 +78,54 @@ class VMInstance:
|
||||||
|
|
||||||
# Start up the VM
|
# Start up the VM
|
||||||
def start_vm(self, xmlconfig):
|
def start_vm(self, xmlconfig):
|
||||||
print(">>> {} - Starting VM.".format(self.domuuid))
|
print(bcolours.BLUE + '>>> ' + bcolours.ENDC + '{} - Starting VM.'.format(self.domuuid))
|
||||||
self.instart = True
|
self.instart = True
|
||||||
|
|
||||||
# Start up a new Libvirt connection
|
# Start up a new Libvirt connection
|
||||||
libvirt_name = "qemu:///system"
|
libvirt_name = "qemu:///system"
|
||||||
conn = libvirt.open(libvirt_name)
|
conn = libvirt.open(libvirt_name)
|
||||||
if conn == None:
|
if conn == None:
|
||||||
print('>>> {} - Failed to open local libvirt connection.'.format(self.domuuid))
|
print(bcolours.RED + '>>> ' + bcolours.ENDC + '{} - Failed to open local libvirt connection.'.format(self.domuuid))
|
||||||
self.instart = False
|
self.instart = False
|
||||||
return
|
return
|
||||||
|
|
||||||
try:
|
try:
|
||||||
dom = conn.createXML(xmlconfig, 0)
|
dom = conn.createXML(xmlconfig, 0)
|
||||||
except libvirt.libvirtError as e:
|
except libvirt.libvirtError as e:
|
||||||
print('>>> {} - Failed to create VM.'.format(self.domuuid))
|
print(bcolours.RED + '>>> ' + bcolours.ENDC + '{} - Failed to create VM.'.format(self.domuuid))
|
||||||
self.zk.set('/domains/{}/state'.format(self.domuuid), 'stop'.encode('ascii'))
|
self.zk.set('/domains/{}/state'.format(self.domuuid), 'stop'.encode('ascii'))
|
||||||
|
|
||||||
if not self.domuuid in self.thishypervisor.domain_list:
|
if not self.domuuid in self.thishypervisor.domain_list:
|
||||||
self.thishypervisor.domain_list.append(self.domuuid)
|
self.thishypervisor.domain_list.append(self.domuuid)
|
||||||
|
|
||||||
conn.close()
|
conn.close()
|
||||||
|
print(bcolours.GREEN + '>>> ' + bcolours.ENDC + '{} - Successfully started VM.'.format(self.domuuid))
|
||||||
self.dom = dom
|
self.dom = dom
|
||||||
self.instart = False
|
self.instart = False
|
||||||
|
|
||||||
# Stop the VM forcibly without updating state
|
# Stop the VM forcibly without updating state
|
||||||
def terminate_vm(self):
|
def terminate_vm(self):
|
||||||
print(">>> {} - Terminating VM.".format(self.domuuid))
|
print(bcolours.BLUE + '>>> ' + bcolours.ENDC + '{} - Terminating VM.'.format(self.domuuid))
|
||||||
self.instop = True
|
self.instop = True
|
||||||
try:
|
try:
|
||||||
self.dom.destroy()
|
self.dom.destroy()
|
||||||
except AttributeError:
|
except AttributeError:
|
||||||
pass
|
print(bcolours.RED + '>>> ' + bcolours.ENDC + '{} - Failed to terminate VM.'.format(self.domuuid))
|
||||||
if self.domuuid in self.thishypervisor.domain_list:
|
if self.domuuid in self.thishypervisor.domain_list:
|
||||||
try:
|
try:
|
||||||
self.thishypervisor.domain_list.remove(self.domuuid)
|
self.thishypervisor.domain_list.remove(self.domuuid)
|
||||||
except ValueError:
|
except ValueError:
|
||||||
pass
|
pass
|
||||||
|
print(bcolours.GREEN + '>>> ' + bcolours.ENDC + '{} - Successfully terminated VM.'.format(self.domuuid))
|
||||||
|
|
||||||
# Stop the VM forcibly
|
# Stop the VM forcibly
|
||||||
def stop_vm(self):
|
def stop_vm(self):
|
||||||
print(">>> {} - Forcibly stopping VM.".format(self.domuuid))
|
print(bcolours.BLUE + '>>> ' + bcolours.ENDC + '{} - Forcibly stopping VM.'.format(self.domuuid))
|
||||||
self.instop = True
|
self.instop = True
|
||||||
try:
|
try:
|
||||||
self.dom.destroy()
|
self.dom.destroy()
|
||||||
except AttributeError:
|
except AttributeError:
|
||||||
pass
|
print(bcolours.RED + '>>> ' + bcolours.ENDC + '{} - Failed to stop VM.'.format(self.domuuid))
|
||||||
if self.domuuid in self.thishypervisor.domain_list:
|
if self.domuuid in self.thishypervisor.domain_list:
|
||||||
try:
|
try:
|
||||||
self.thishypervisor.domain_list.remove(self.domuuid)
|
self.thishypervisor.domain_list.remove(self.domuuid)
|
||||||
|
@ -120,12 +133,13 @@ class VMInstance:
|
||||||
pass
|
pass
|
||||||
|
|
||||||
self.zk.set('/domains/{}/state'.format(self.domuuid), 'stop'.encode('ascii'))
|
self.zk.set('/domains/{}/state'.format(self.domuuid), 'stop'.encode('ascii'))
|
||||||
|
print(bcolours.GREEN + '>>> ' + bcolours.ENDC + '{} - Successfully stopped VM.'.format(self.domuuid))
|
||||||
self.dom = None
|
self.dom = None
|
||||||
self.instop = False
|
self.instop = False
|
||||||
|
|
||||||
# Shutdown the VM gracefully
|
# Shutdown the VM gracefully
|
||||||
def shutdown_vm(self):
|
def shutdown_vm(self):
|
||||||
print(">>> {} - Gracefully stopping VM.".format(self.domuuid))
|
print(bcolours.BLUE + '>>> ' + bcolours.ENDC + '{} - Gracefully stopping VM.'.format(self.domuuid))
|
||||||
self.inshutdown = True
|
self.inshutdown = True
|
||||||
self.dom.shutdown()
|
self.dom.shutdown()
|
||||||
try:
|
try:
|
||||||
|
@ -135,7 +149,7 @@ class VMInstance:
|
||||||
time.sleep(0.5)
|
time.sleep(0.5)
|
||||||
|
|
||||||
if tick >= 60:
|
if tick >= 60:
|
||||||
print(">>> {} - Shutdown timeout expired.".format(self.domuuid))
|
print(bcolours.RED + '>>> ' + bcolours.ENDC + '{} - Shutdown timeout expired.'.format(self.domuuid))
|
||||||
self.stop_vm()
|
self.stop_vm()
|
||||||
self.inshutdown = False
|
self.inshutdown = False
|
||||||
return
|
return
|
||||||
|
@ -149,6 +163,7 @@ class VMInstance:
|
||||||
pass
|
pass
|
||||||
|
|
||||||
self.zk.set('/domains/{}/state'.format(self.domuuid), 'stop'.encode('ascii'))
|
self.zk.set('/domains/{}/state'.format(self.domuuid), 'stop'.encode('ascii'))
|
||||||
|
print(bcolours.GREEN + '>>> ' + bcolours.ENDC + '{} - Successfully shutdown VM.'.format(self.domuuid))
|
||||||
self.dom = None
|
self.dom = None
|
||||||
self.inshutdown = False
|
self.inshutdown = False
|
||||||
|
|
||||||
|
@ -158,14 +173,14 @@ class VMInstance:
|
||||||
if dest_conn == None:
|
if dest_conn == None:
|
||||||
raise
|
raise
|
||||||
except:
|
except:
|
||||||
print('>>> {} - Failed to open connection to qemu+tcp://{}/system; aborting migration.'.format(self.dom_uuid, self.hypervisor))
|
print(bcolours.RED + '>>> ' + bcolours.ENDC + '{} - Failed to open connection to qemu+tcp://{}/system; aborting migration.'.format(self.dom_uuid, self.hypervisor))
|
||||||
return 1
|
return 1
|
||||||
|
|
||||||
try:
|
try:
|
||||||
target_dom = self.dom.migrate(dest_conn, libvirt.VIR_MIGRATE_LIVE, None, None, 0)
|
target_dom = self.dom.migrate(dest_conn, libvirt.VIR_MIGRATE_LIVE, None, None, 0)
|
||||||
if target_dom == None:
|
if target_dom == None:
|
||||||
raise
|
raise
|
||||||
print('>>> {} - Migrated successfully.'.format(self.domuuid))
|
print(bcolours.GREEN + '>>> ' + bcolours.ENDC + '{} - Migrated successfully.'.format(self.domuuid))
|
||||||
except:
|
except:
|
||||||
dest_conn.close()
|
dest_conn.close()
|
||||||
return 1
|
return 1
|
||||||
|
@ -177,10 +192,10 @@ class VMInstance:
|
||||||
def migrate_vm(self):
|
def migrate_vm(self):
|
||||||
self.inmigrate = True
|
self.inmigrate = True
|
||||||
|
|
||||||
print('>>> {} - Migrating VM to hypervisor "{}".'.format(self.domuuid, self.hypervisor))
|
print(bcolours.BLUE + '>>> ' + bcolours.ENDC + '{} - Migrating VM to hypervisor "{}".'.format(self.domuuid, self.hypervisor))
|
||||||
migrate_ret = self.live_migrate_vm(self.hypervisor)
|
migrate_ret = self.live_migrate_vm(self.hypervisor)
|
||||||
if migrate_ret != 0:
|
if migrate_ret != 0:
|
||||||
print('>>> {} - Could not live migrate VM; shutting down to migrate instead.'.format(self.domuuid))
|
print(bcolours.RED + '>>> ' + bcolours.ENDC + '{} - Could not live migrate VM; shutting down to migrate instead.'.format(self.domuuid))
|
||||||
self.shutdown_vm()
|
self.shutdown_vm()
|
||||||
time.sleep(1)
|
time.sleep(1)
|
||||||
self.zk.set('/domains/{}/state'.format(self.domuuid), 'start'.encode('ascii'))
|
self.zk.set('/domains/{}/state'.format(self.domuuid), 'start'.encode('ascii'))
|
||||||
|
@ -194,7 +209,7 @@ class VMInstance:
|
||||||
|
|
||||||
# Receive the migration from another host (wait until VM is running)
|
# Receive the migration from another host (wait until VM is running)
|
||||||
def receive_migrate(self):
|
def receive_migrate(self):
|
||||||
print('>>> {} - Receiving migration.'.format(self.domuuid))
|
print(bcolours.BLUE + '>>> ' + bcolours.ENDC + '{} - Receiving migration.'.format(self.domuuid))
|
||||||
self.inreceive = True
|
self.inreceive = True
|
||||||
while True:
|
while True:
|
||||||
self.dom = lookupByUUID(self.domuuid)
|
self.dom = lookupByUUID(self.domuuid)
|
||||||
|
@ -209,7 +224,7 @@ class VMInstance:
|
||||||
if not self.domuuid in self.thishypervisor.domain_list:
|
if not self.domuuid in self.thishypervisor.domain_list:
|
||||||
self.thishypervisor.domain_list.append(self.domuuid)
|
self.thishypervisor.domain_list.append(self.domuuid)
|
||||||
|
|
||||||
print('>>> {} - Migrated successfully.'.format(self.domuuid))
|
print(bcolours.GREEN + '>>> ' + bcolours.ENDC + '{} - Migrated successfully.'.format(self.domuuid))
|
||||||
self.inreceive = False
|
self.inreceive = False
|
||||||
|
|
||||||
#
|
#
|
||||||
|
@ -274,7 +289,7 @@ def lookupByUUID(tuuid):
|
||||||
# Open a libvirt connection
|
# Open a libvirt connection
|
||||||
conn = libvirt.open(libvirt_name)
|
conn = libvirt.open(libvirt_name)
|
||||||
if conn == None:
|
if conn == None:
|
||||||
print('>>> {} - Failed to open local libvirt connection.'.format(self.domuuid))
|
print(bcolours.RED + '>>> ' + bcolours.ENDC + '{} - Failed to open local libvirt connection.'.format(self.domuuid))
|
||||||
return dom
|
return dom
|
||||||
|
|
||||||
# Lookup the UUID
|
# Lookup the UUID
|
||||||
|
|
17
fencenode.py
17
fencenode.py
|
@ -22,16 +22,27 @@
|
||||||
|
|
||||||
import os, sys, libvirt, uuid, kazoo.client, time
|
import os, sys, libvirt, uuid, kazoo.client, time
|
||||||
|
|
||||||
|
# ANSII colours for output
|
||||||
|
class bcolours:
|
||||||
|
PURPLE = '\033[95m'
|
||||||
|
BLUE = '\033[94m'
|
||||||
|
GREEN = '\033[92m'
|
||||||
|
YELLOW = '\033[93m'
|
||||||
|
RED = '\033[91m'
|
||||||
|
ENDC = '\033[0m'
|
||||||
|
BOLD = '\033[1m'
|
||||||
|
UNDERLINE = '\033[4m'
|
||||||
|
|
||||||
#
|
#
|
||||||
# Trigger function
|
# Trigger function
|
||||||
#
|
#
|
||||||
def fence(node_name, zk):
|
def fence(node_name, zk):
|
||||||
time.sleep(3)
|
time.sleep(3)
|
||||||
print('>>> Fencing node {} via IPMI reboot signal.'.format(node_name))
|
print(bcolours.YELLOW + '>>> ' + bcolours.ENDC + 'Fencing node {} via IPMI reboot signal.'.format(node_name))
|
||||||
|
|
||||||
# DO IPMI FENCE HERE
|
# DO IPMI FENCE HERE
|
||||||
|
|
||||||
print('>>> Moving VMs from dead hypervisor {} to new hosts.'.format(node_name))
|
print(bcolours.BLUE + '>>> ' + bcolours.ENDC + 'Moving VMs from dead hypervisor {} to new hosts.'.format(node_name))
|
||||||
dead_node_running_domains = zk.get('/nodes/{}/runningdomains'.format(node_name))[0].decode('ascii').split()
|
dead_node_running_domains = zk.get('/nodes/{}/runningdomains'.format(node_name))[0].decode('ascii').split()
|
||||||
for dom_uuid in dead_node_running_domains:
|
for dom_uuid in dead_node_running_domains:
|
||||||
most_memfree = 0
|
most_memfree = 0
|
||||||
|
@ -47,7 +58,7 @@ def fence(node_name, zk):
|
||||||
most_memfree = memfree
|
most_memfree = memfree
|
||||||
target_hypervisor = hypervisor
|
target_hypervisor = hypervisor
|
||||||
|
|
||||||
print('>>> Moving VM "{}" to hypervisor "{}".'.format(dom_uuid, target_hypervisor))
|
print(bcolours.BLUE + '>>> ' + bcolours.ENDC + 'Moving VM "{}" to hypervisor "{}".'.format(dom_uuid, target_hypervisor))
|
||||||
transaction = zk.transaction()
|
transaction = zk.transaction()
|
||||||
transaction.set_data('/domains/{}/state'.format(dom_uuid), 'start'.encode('ascii'))
|
transaction.set_data('/domains/{}/state'.format(dom_uuid), 'start'.encode('ascii'))
|
||||||
transaction.set_data('/domains/{}/hypervisor'.format(dom_uuid), target_hypervisor.encode('ascii'))
|
transaction.set_data('/domains/{}/hypervisor'.format(dom_uuid), target_hypervisor.encode('ascii'))
|
||||||
|
|
5
pvcd.py
5
pvcd.py
|
@ -31,8 +31,9 @@ import time
|
||||||
import atexit
|
import atexit
|
||||||
import apscheduler.schedulers.background
|
import apscheduler.schedulers.background
|
||||||
|
|
||||||
|
# ANSII colours for output
|
||||||
class bcolours:
|
class bcolours:
|
||||||
HEADER = '\033[95m'
|
PURPLE = '\033[95m'
|
||||||
BLUE = '\033[94m'
|
BLUE = '\033[94m'
|
||||||
GREEN = '\033[92m'
|
GREEN = '\033[92m'
|
||||||
YELLOW = '\033[93m'
|
YELLOW = '\033[93m'
|
||||||
|
@ -42,7 +43,7 @@ class bcolours:
|
||||||
UNDERLINE = '\033[4m'
|
UNDERLINE = '\033[4m'
|
||||||
|
|
||||||
def help():
|
def help():
|
||||||
print(bcolours.HEADER + bcolours.BOLD + bcolours.RED + "pvcd - Parallel Virtual Cluster management daemon" + bcolours.ENDC)
|
print(bcolours.BOLD + "pvcd - Parallel Virtual Cluster management daemon" + bcolours.ENDC)
|
||||||
# exit(0)
|
# exit(0)
|
||||||
|
|
||||||
help()
|
help()
|
||||||
|
|
Loading…
Reference in New Issue