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Update vm.py to allow API use

This commit is contained in:
Joshua Boniface 2019-05-20 22:15:28 -04:00
parent 9e806d30f9
commit 73443ecbaf
3 changed files with 250 additions and 223 deletions
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22
client-cli/pvc.py
View File

@ -173,7 +173,7 @@ def node_info(node, long_output):
zk_conn = pvc_common.startZKConnection(zk_host) zk_conn = pvc_common.startZKConnection(zk_host)
retcode, retdata = pvc_node.get_info(zk_conn, node) retcode, retdata = pvc_node.get_info(zk_conn, node)
if retcode: if retcode:
pvc_node.format_info(zk_conn, retdata, long_output) pvc_node.format_info(retdata, long_output)
if long_output: if long_output:
click.echo('{}Virtual machines on node:{}'.format(ansiprint.bold(), ansiprint.end())) click.echo('{}Virtual machines on node:{}'.format(ansiprint.bold(), ansiprint.end()))
click.echo('') click.echo('')
@ -404,7 +404,7 @@ def vm_undefine(domain):
# Open a Zookeeper connection # Open a Zookeeper connection
zk_conn = pvc_common.startZKConnection(zk_host) zk_conn = pvc_common.startZKConnection(zk_host)
retcode, retmsg = pvc_vm.undefine_vm(zk_conn, domain) retcode, retmsg = pvc_vm.undefine_vm(zk_conn, domain, is_cli=True)
cleanup(retcode, retmsg, zk_conn) cleanup(retcode, retmsg, zk_conn)
############################################################################### ###############################################################################
@ -550,7 +550,7 @@ def vm_migrate(domain, target_node, selector, force_migrate):
# Open a Zookeeper connection # Open a Zookeeper connection
zk_conn = pvc_common.startZKConnection(zk_host) zk_conn = pvc_common.startZKConnection(zk_host)
retcode, retmsg = pvc_vm.migrate_vm(zk_conn, domain, target_node, selector, force_migrate) retcode, retmsg = pvc_vm.migrate_vm(zk_conn, domain, target_node, selector, force_migrate, is_cli=True)
cleanup(retcode, retmsg, zk_conn) cleanup(retcode, retmsg, zk_conn)
############################################################################### ###############################################################################
@ -586,10 +586,13 @@ def vm_info(domain, long_output):
Show information about virtual machine DOMAIN. DOMAIN may be a UUID or name. Show information about virtual machine DOMAIN. DOMAIN may be a UUID or name.
""" """
# Open a Zookeeper connection
zk_conn = pvc_common.startZKConnection(zk_host) zk_conn = pvc_common.startZKConnection(zk_host)
retcode, retmsg = pvc_vm.get_info(zk_conn, domain, long_output) retcode, retdata = pvc_vm.get_info(zk_conn, domain)
cleanup(retcode, retmsg, zk_conn) if retcode:
pvc_vm.format_info(zk_conn, retdata, long_output)
retdata = ''
cleanup(retcode, retdata, zk_conn)
############################################################################### ###############################################################################
# pvc vm log # pvc vm log
@ -649,8 +652,11 @@ def vm_list(target_node, target_state, limit, raw):
""" """
zk_conn = pvc_common.startZKConnection(zk_host) zk_conn = pvc_common.startZKConnection(zk_host)
retcode, retmsg = pvc_vm.get_list(zk_conn, target_node, target_state, limit, raw) retcode, retdata = pvc_vm.get_list(zk_conn, target_node, target_state, limit)
cleanup(retcode, retmsg, zk_conn) if retcode:
pvc_vm.format_list(zk_conn, retdata, raw)
retdata = ''
cleanup(retcode, retdata, zk_conn)
############################################################################### ###############################################################################
# pvc network # pvc network

4
client-common/node.py
View File

@ -207,7 +207,7 @@ def get_info(zk_conn, node):
# Get information about node in a pretty format # Get information about node in a pretty format
node_information = getInformationFromNode(zk_conn, node) node_information = getInformationFromNode(zk_conn, node)
if node_information == None: if node_information == None:
return False, 'ERROR: Could not find a node matching that name.' return False, 'ERROR: Could not get information about node "{}".'.format(node)
return True, node_information return True, node_information
@ -262,7 +262,7 @@ def getOutputColours(node_information):
return daemon_state_colour, coordinator_state_colour, domain_state_colour return daemon_state_colour, coordinator_state_colour, domain_state_colour
def format_info(zk_conn, node_information, long_output): def format_info(node_information, long_output):
daemon_state_colour, coordinator_state_colour, domain_state_colour = getOutputColours(node_information) daemon_state_colour, coordinator_state_colour, domain_state_colour = getOutputColours(node_information)
# Format a nice output; do this line-by-line then concat the elements at the end # Format a nice output; do this line-by-line then concat the elements at the end

447
client-common/vm.py
View File

@ -42,105 +42,60 @@ import client_lib.common as common
# #
# XML information parsing functions # XML information parsing functions
# #
def getInformationFromXML(zk_conn, uuid, long_output): def getInformationFromXML(zk_conn, uuid):
# Obtain the contents of the XML from Zookeeper """
try: Gather information about a VM from the Libvirt XML configuration in the Zookeper database
dstate = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(uuid)) and return a dict() containing it.
dnode = zkhandler.readdata(zk_conn, '/domains/{}/node'.format(uuid)) """
dlastnode = zkhandler.readdata(zk_conn, '/domains/{}/lastnode'.format(uuid)) domain_state = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(uuid))
except: domain_node = zkhandler.readdata(zk_conn, '/domains/{}/node'.format(uuid))
return None domain_lastnode = zkhandler.readdata(zk_conn, '/domains/{}/lastnode'.format(uuid))
domain_failedreason = zkhandler.readdata(zk_conn, '/domains/{}/failedreason'.format(uuid))
if dlastnode == '': if domain_lastnode == '':
dlastnode = 'N/A' domain_lastnode = 'N/A'
parsed_xml = common.getDomainXML(zk_conn, uuid) parsed_xml = common.getDomainXML(zk_conn, uuid)
duuid, dname, ddescription, dmemory, dvcpu, dvcputopo = common.getDomainMainDetails(parsed_xml)
dnets = common.getDomainNetworks(parsed_xml)
if long_output == True: domain_uuid, domain_name, domain_description, domain_memory, domain_vcpu, domain_vcputopo = common.getDomainMainDetails(parsed_xml)
dtype, darch, dmachine, dconsole, demulator = common.getDomainExtraDetails(parsed_xml) domain_networks = common.getDomainNetworks(parsed_xml)
dfeatures = common.getDomainCPUFeatures(parsed_xml)
ddisks = common.getDomainDisks(parsed_xml)
dcontrollers = common.getDomainControllers(parsed_xml)
# Format a nice output; do this line-by-line then concat the elements at the end domain_type, domain_arch, domain_machine, domain_console, domain_emulator = common.getDomainExtraDetails(parsed_xml)
ainformation = []
ainformation.append('{}Virtual machine information:{}'.format(ansiprint.bold(), ansiprint.end()))
ainformation.append('')
# Basic information
ainformation.append('{}UUID:{} {}'.format(ansiprint.purple(), ansiprint.end(), duuid))
ainformation.append('{}Name:{} {}'.format(ansiprint.purple(), ansiprint.end(), dname))
ainformation.append('{}Description:{} {}'.format(ansiprint.purple(), ansiprint.end(), ddescription))
ainformation.append('{}Memory (M):{} {}'.format(ansiprint.purple(), ansiprint.end(), dmemory))
ainformation.append('{}vCPUs:{} {}'.format(ansiprint.purple(), ansiprint.end(), dvcpu))
ainformation.append('{}Topology (S/C/T):{} {}'.format(ansiprint.purple(), ansiprint.end(), dvcputopo))
if long_output == True: domain_features = common.getDomainCPUFeatures(parsed_xml)
# Virtualization information domain_disks = common.getDomainDisks(parsed_xml)
ainformation.append('') domain_controllers = common.getDomainControllers(parsed_xml)
ainformation.append('{}Emulator:{} {}'.format(ansiprint.purple(), ansiprint.end(), demulator))
ainformation.append('{}Type:{} {}'.format(ansiprint.purple(), ansiprint.end(), dtype)) if domain_lastnode != '':
ainformation.append('{}Arch:{} {}'.format(ansiprint.purple(), ansiprint.end(), darch)) domain_migrated = 'from {}'.format(domain_lastnode)
ainformation.append('{}Machine:{} {}'.format(ansiprint.purple(), ansiprint.end(), dmachine)) else:
ainformation.append('{}Features:{} {}'.format(ansiprint.purple(), ansiprint.end(), ' '.join(dfeatures))) domain_migrated = 'no'
# PVC cluster information domain_information = {
ainformation.append('') 'name': domain_name,
dstate_colour = { 'uuid': domain_uuid,
'start': ansiprint.green(), 'state': domain_state,
'restart': ansiprint.yellow(), 'node': domain_node,
'shutdown': ansiprint.yellow(), 'last_node': domain_lastnode,
'stop': ansiprint.red(), 'migrated': domain_migrated,
'failed': ansiprint.red(), 'failed_reason': domain_failedreason,
'migrate': ansiprint.blue(), 'description': domain_description,
'unmigrate': ansiprint.blue() 'memory': domain_memory,
'vcpu': domain_vcpu,
'vcpu_topology': domain_vcputopo,
'networks': domain_networks,
'type': domain_type,
'arch': domain_arch,
'machine': domain_machine,
'console': domain_console,
'emulator': domain_emulator,
'features': domain_features,
'disks': domain_disks,
'controllers': domain_controllers
} }
ainformation.append('{}State:{} {}{}{}'.format(ansiprint.purple(), ansiprint.end(), dstate_colour[dstate], dstate, ansiprint.end()))
ainformation.append('{}Current Node:{} {}'.format(ansiprint.purple(), ansiprint.end(), dnode))
ainformation.append('{}Previous Node:{} {}'.format(ansiprint.purple(), ansiprint.end(), dlastnode))
# Network list return domain_information
net_list = []
for net in dnets:
# Split out just the numerical (VNI) part of the brXXXX name
net_vnis = re.findall(r'\d+', net['source'])
if net_vnis:
net_vni = net_vnis[0]
else:
net_vni = re.sub('br', '', net['source'])
net_exists = zkhandler.exists(zk_conn, '/networks/{}'.format(net_vni))
if not net_exists and net_vni != 'cluster':
net_list.append(ansiprint.red() + net_vni + ansiprint.end() + ' [invalid]')
else:
net_list.append(net_vni)
ainformation.append('')
ainformation.append('{}Networks:{} {}'.format(ansiprint.purple(), ansiprint.end(), ', '.join(net_list)))
if long_output == True:
# Disk list
ainformation.append('')
name_length = 0
for disk in ddisks:
_name_length = len(disk['name']) + 1
if _name_length > name_length:
name_length = _name_length
ainformation.append('{0}Disks:{1} {2}ID Type {3: <{width}} Dev Bus{4}'.format(ansiprint.purple(), ansiprint.end(), ansiprint.bold(), 'Name', ansiprint.end(), width=name_length))
for disk in ddisks:
ainformation.append(' {0: <3} {1: <5} {2: <{width}} {3: <4} {4: <5}'.format(ddisks.index(disk), disk['type'], disk['name'], disk['dev'], disk['bus'], width=name_length))
ainformation.append('')
ainformation.append('{}Interfaces:{} {}ID Type Source Model MAC{}'.format(ansiprint.purple(), ansiprint.end(), ansiprint.bold(), ansiprint.end()))
for net in dnets:
ainformation.append(' {0: <3} {1: <8} {2: <10} {3: <8} {4}'.format(dnets.index(net), net['type'], net['source'], net['model'], net['mac']))
# Controller list
ainformation.append('')
ainformation.append('{}Controllers:{} {}ID Type Model{}'.format(ansiprint.purple(), ansiprint.end(), ansiprint.bold(), ansiprint.end()))
for controller in dcontrollers:
ainformation.append(' {0: <3} {1: <14} {2: <8}'.format(dcontrollers.index(controller), controller['type'], controller['model']))
# Join it all together
information = '\n'.join(ainformation)
return information
# #
@ -213,7 +168,6 @@ def define_vm(zk_conn, config_data, target_node, selector):
parsed_xml = lxml.objectify.fromstring(config_data) parsed_xml = lxml.objectify.fromstring(config_data)
dom_uuid = parsed_xml.uuid.text dom_uuid = parsed_xml.uuid.text
dom_name = parsed_xml.name.text dom_name = parsed_xml.name.text
click.echo('Adding new VM with Name "{}" and UUID "{}" to database.'.format(dom_name, dom_uuid))
if target_node == None: if target_node == None:
target_node = common.findTargetNode(zk_conn, selector, dom_uuid) target_node = common.findTargetNode(zk_conn, selector, dom_uuid)
@ -232,7 +186,7 @@ def define_vm(zk_conn, config_data, target_node, selector):
'/domains/{}/xml'.format(dom_uuid): config_data '/domains/{}/xml'.format(dom_uuid): config_data
}) })
return True, '' return True, 'Added new VM with Name "{}" and UUID "{}" to database.'.format(dom_name, dom_uuid)
def modify_vm(zk_conn, domain, restart, new_vm_config): def modify_vm(zk_conn, domain, restart, new_vm_config):
dom_uuid = getDomainUUID(zk_conn, domain) dom_uuid = getDomainUUID(zk_conn, domain)
@ -258,11 +212,10 @@ def dump_vm(zk_conn, domain):
# Gram the domain XML and dump it to stdout # Gram the domain XML and dump it to stdout
vm_xml = zkhandler.readdata(zk_conn, '/domains/{}/xml'.format(dom_uuid)) vm_xml = zkhandler.readdata(zk_conn, '/domains/{}/xml'.format(dom_uuid))
click.echo(vm_xml)
return True, '' return True, vm_xml
def undefine_vm(zk_conn, domain): def undefine_vm(zk_conn, domain, is_cli=False):
# Validate and obtain alternate passed value # Validate and obtain alternate passed value
dom_uuid = getDomainUUID(zk_conn, domain) dom_uuid = getDomainUUID(zk_conn, domain)
if not dom_uuid: if not dom_uuid:
@ -273,32 +226,36 @@ def undefine_vm(zk_conn, domain):
try: try:
current_vm_state = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(dom_uuid)) current_vm_state = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(dom_uuid))
if current_vm_state != 'stop': if current_vm_state != 'stop':
click.echo('Forcibly stopping VM "{}".'.format(dom_uuid)) if is_cli:
click.echo('Forcibly stopping VM "{}".'.format(dom_uuid))
# Set the domain into stop mode # Set the domain into stop mode
zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'stop'}) zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'stop'})
# Wait for 3 seconds to allow state to flow to all nodes # Wait for 1 second to allow state to flow to all nodes
click.echo('Waiting for cluster to update.') if is_cli:
time.sleep(1) click.echo('Waiting for cluster to update.')
time.sleep(2)
except: except:
pass pass
# Gracefully terminate the class instances # Gracefully terminate the class instances
try: try:
click.echo('Deleting VM "{}" from nodes.'.format(dom_uuid)) if is_cli:
click.echo('Deleting VM "{}" from nodes.'.format(dom_uuid))
zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'delete'}) zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'delete'})
time.sleep(5) time.sleep(2)
except: except:
pass pass
# Delete the configurations # Delete the configurations
try: try:
click.echo('Undefining VM "{}".'.format(dom_uuid)) if is_cli:
click.echo('Undefining VM "{}".'.format(dom_uuid))
zkhandler.deletekey(zk_conn, '/domains/{}'.format(dom_uuid)) zkhandler.deletekey(zk_conn, '/domains/{}'.format(dom_uuid))
except: except:
pass pass
return True, '' return True, 'Removed VM "{}" from the cluster.'.format(dom_uuid)
def start_vm(zk_conn, domain): def start_vm(zk_conn, domain):
# Validate and obtain alternate passed value # Validate and obtain alternate passed value
@ -308,10 +265,9 @@ def start_vm(zk_conn, domain):
return False, 'ERROR: Could not find VM "{}" in the cluster!'.format(domain) return False, 'ERROR: Could not find VM "{}" in the cluster!'.format(domain)
# Set the VM to start # Set the VM to start
click.echo('Starting VM "{}".'.format(dom_uuid))
zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'start'}) zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'start'})
return True, '' return True, 'Starting VM "{}".'.format(dom_uuid)
def restart_vm(zk_conn, domain): def restart_vm(zk_conn, domain):
# Validate and obtain alternate passed value # Validate and obtain alternate passed value
@ -327,10 +283,9 @@ def restart_vm(zk_conn, domain):
return False, 'ERROR: VM "{}" is not in "start" state!'.format(dom_uuid) return False, 'ERROR: VM "{}" is not in "start" state!'.format(dom_uuid)
# Set the VM to start # Set the VM to start
click.echo('Restarting VM "{}".'.format(dom_uuid))
zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'restart'}) zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'restart'})
return True, '' return True, 'Restarting VM "{}".'.format(dom_uuid)
def shutdown_vm(zk_conn, domain): def shutdown_vm(zk_conn, domain):
# Validate and obtain alternate passed value # Validate and obtain alternate passed value
@ -345,10 +300,9 @@ def shutdown_vm(zk_conn, domain):
return False, 'ERROR: VM "{}" is not in "start" state!'.format(dom_uuid) return False, 'ERROR: VM "{}" is not in "start" state!'.format(dom_uuid)
# Set the VM to shutdown # Set the VM to shutdown
click.echo('Shutting down VM "{}".'.format(dom_uuid))
zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'shutdown'}) zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'shutdown'})
return True, '' return True, 'Shutting down VM "{}".'.format(dom_uuid)
def stop_vm(zk_conn, domain): def stop_vm(zk_conn, domain):
# Validate and obtain alternate passed value # Validate and obtain alternate passed value
@ -361,10 +315,9 @@ def stop_vm(zk_conn, domain):
current_state = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(dom_uuid)) current_state = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(dom_uuid))
# Set the VM to start # Set the VM to start
click.echo('Forcibly stopping VM "{}".'.format(dom_uuid))
zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'stop'}) zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'stop'})
return True, '' return True, 'Forcibly stopping VM "{}".'.format(dom_uuid)
def move_vm(zk_conn, domain, target_node, selector): def move_vm(zk_conn, domain, target_node, selector):
# Validate and obtain alternate passed value # Validate and obtain alternate passed value
@ -387,22 +340,20 @@ def move_vm(zk_conn, domain, target_node, selector):
current_vm_state = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(dom_uuid)) current_vm_state = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(dom_uuid))
if current_vm_state == 'start': if current_vm_state == 'start':
click.echo('Permanently migrating VM "{}" to node "{}".'.format(dom_uuid, target_node))
zkhandler.writedata(zk_conn, { zkhandler.writedata(zk_conn, {
'/domains/{}/state'.format(dom_uuid): 'migrate', '/domains/{}/state'.format(dom_uuid): 'migrate',
'/domains/{}/node'.format(dom_uuid): target_node, '/domains/{}/node'.format(dom_uuid): target_node,
'/domains/{}/lastnode'.format(dom_uuid): '' '/domains/{}/lastnode'.format(dom_uuid): ''
}) })
else: else:
click.echo('Permanently moving VM "{}" to node "{}".'.format(dom_uuid, target_node))
zkhandler.writedata(zk_conn, { zkhandler.writedata(zk_conn, {
'/domains/{}/node'.format(dom_uuid): target_node, '/domains/{}/node'.format(dom_uuid): target_node,
'/domains/{}/lastnode'.format(dom_uuid): '' '/domains/{}/lastnode'.format(dom_uuid): ''
}) })
return True, '' return True, 'Permanently migrating VM "{}" to node "{}".'.format(dom_uuid, target_node)
def migrate_vm(zk_conn, domain, target_node, selector, force_migrate): def migrate_vm(zk_conn, domain, target_node, selector, force_migrate, is_cli=False):
# Validate and obtain alternate passed value # Validate and obtain alternate passed value
dom_uuid = getDomainUUID(zk_conn, domain) dom_uuid = getDomainUUID(zk_conn, domain)
if not dom_uuid: if not dom_uuid:
@ -420,12 +371,14 @@ def migrate_vm(zk_conn, domain, target_node, selector, force_migrate):
last_node = zkhandler.readdata(zk_conn, '/domains/{}/lastnode'.format(dom_uuid)) last_node = zkhandler.readdata(zk_conn, '/domains/{}/lastnode'.format(dom_uuid))
if last_node != '' and force_migrate != True: if last_node != '' and force_migrate != True:
click.echo('ERROR: VM "{}" has been previously migrated.'.format(dom_uuid)) if is_cli:
click.echo('> Last node: {}'.format(last_node)) click.echo('ERROR: VM "{}" has been previously migrated.'.format(dom_uuid))
click.echo('> Current node: {}'.format(current_node)) click.echo('> Last node: {}'.format(last_node))
click.echo('Run `vm unmigrate` to restore the VM to its previous node, or use `--force` to override this check.') click.echo('> Current node: {}'.format(current_node))
common.stopZKConnection(zk_conn) click.echo('Run `vm unmigrate` to restore the VM to its previous node, or use `--force` to override this check.')
return False, '' return False, ''
else:
return False, 'ERROR: VM "{}" has been previously migrated.'.format(dom_uuid)
if target_node == None: if target_node == None:
target_node = common.findTargetNode(zk_conn, selector, dom_uuid) target_node = common.findTargetNode(zk_conn, selector, dom_uuid)
@ -437,14 +390,13 @@ def migrate_vm(zk_conn, domain, target_node, selector, force_migrate):
# Verify node is valid # Verify node is valid
common.verifyNode(zk_conn, target_node) common.verifyNode(zk_conn, target_node)
click.echo('Migrating VM "{}" to node "{}".'.format(dom_uuid, target_node))
zkhandler.writedata(zk_conn, { zkhandler.writedata(zk_conn, {
'/domains/{}/state'.format(dom_uuid): 'migrate', '/domains/{}/state'.format(dom_uuid): 'migrate',
'/domains/{}/node'.format(dom_uuid): target_node, '/domains/{}/node'.format(dom_uuid): target_node,
'/domains/{}/lastnode'.format(dom_uuid): current_node '/domains/{}/lastnode'.format(dom_uuid): current_node
}) })
return True, '' return True, 'Migrating VM "{}" to node "{}".'.format(dom_uuid, target_node)
def unmigrate_vm(zk_conn, domain): def unmigrate_vm(zk_conn, domain):
# Validate and obtain alternate passed value # Validate and obtain alternate passed value
@ -467,35 +419,13 @@ def unmigrate_vm(zk_conn, domain):
common.stopZKConnection(zk_conn) common.stopZKConnection(zk_conn)
return False, 'ERROR: VM "{}" has not been previously migrated.'.format(dom_uuid) return False, 'ERROR: VM "{}" has not been previously migrated.'.format(dom_uuid)
click.echo('Unmigrating VM "{}" back to node "{}".'.format(dom_uuid, target_node))
zkhandler.writedata(zk_conn, { zkhandler.writedata(zk_conn, {
'/domains/{}/state'.format(dom_uuid): target_state, '/domains/{}/state'.format(dom_uuid): target_state,
'/domains/{}/node'.format(dom_uuid): target_node, '/domains/{}/node'.format(dom_uuid): target_node,
'/domains/{}/lastnode'.format(dom_uuid): '' '/domains/{}/lastnode'.format(dom_uuid): ''
}) })
return True, '' return True, 'Unmigrating VM "{}" back to node "{}".'.format(dom_uuid, target_node)
def get_info(zk_conn, domain, long_output):
# Validate and obtain alternate passed value
dom_uuid = getDomainUUID(zk_conn, domain)
if not dom_uuid:
common.stopZKConnection(zk_conn)
return False, 'ERROR: Could not find VM "{}" in the cluster!'.format(domain)
# Gather information from XML config and print it
information = getInformationFromXML(zk_conn, dom_uuid, long_output)
click.echo(information)
# Get a failure reason if applicable
failedreason = zkhandler.readdata(zk_conn, '/domains/{}/failedreason'.format(dom_uuid))
if failedreason != '':
click.echo('')
click.echo('{}Failure reason:{} {}'.format(ansiprint.purple(), ansiprint.end(), failedreason))
click.echo('')
return True, ''
def get_console_log(zk_conn, domain, lines=1000): def get_console_log(zk_conn, domain, lines=1000):
# Validate and obtain alternate passed value # Validate and obtain alternate passed value
@ -562,7 +492,21 @@ def follow_console_log(zk_conn, domain, lines=10):
return True, '' return True, ''
def get_list(zk_conn, node, state, limit, raw): def get_info(zk_conn, domain):
# Validate and obtain alternate passed value
dom_uuid = getDomainUUID(zk_conn, domain)
if not dom_uuid:
common.stopZKConnection(zk_conn)
return False, 'ERROR: No VM named "{}" is present in the cluster.'.format(domain)
# Gather information from XML config and print it
domain_information = getInformationFromXML(zk_conn, dom_uuid)
if domain_information == None:
return False, 'ERROR: Could not get information about VM "{}".'.format(domain)
return True, domain_information
def get_list(zk_conn, node, state, limit):
if node != None: if node != None:
# Verify node is valid # Verify node is valid
common.verifyNode(zk_conn, node) common.verifyNode(zk_conn, node)
@ -574,17 +518,6 @@ def get_list(zk_conn, node, state, limit, raw):
full_vm_list = zkhandler.listchildren(zk_conn, '/domains') full_vm_list = zkhandler.listchildren(zk_conn, '/domains')
vm_list = [] vm_list = []
vm_list_output = []
vm_node = {}
vm_state = {}
vm_migrated = {}
vm_uuid = {}
vm_name = {}
vm_description = {}
vm_memory = {}
vm_vcpu = {}
vm_nets = {}
# Set our limit to a sensible regex # Set our limit to a sensible regex
if limit != None: if limit != None:
@ -598,6 +531,8 @@ def get_list(zk_conn, node, state, limit, raw):
return False, 'Regex Error: {}'.format(e) return False, 'Regex Error: {}'.format(e)
# If we're limited, remove other nodes' VMs # If we're limited, remove other nodes' VMs
vm_node = {}
vm_state = {}
for vm in full_vm_list: for vm in full_vm_list:
# Check we don't match the limit # Check we don't match the limit
name = zkhandler.readdata(zk_conn, '/domains/{}'.format(vm)) name = zkhandler.readdata(zk_conn, '/domains/{}'.format(vm))
@ -608,56 +543,127 @@ def get_list(zk_conn, node, state, limit, raw):
try: try:
if re.match(limit, vm) != None: if re.match(limit, vm) != None:
if node == None and state == None: if node == None and state == None:
vm_list.append(vm) vm_list.append(getInformationFromXML(zk_conn, vm))
else: else:
if vm_node[vm] == node or vm_state[vm] == state: if vm_node[vm] == node or vm_state[vm] == state:
vm_list.append(vm) vm_list.append(getInformationFromXML(zk_conn, vm))
if re.match(limit, name) != None: if re.match(limit, name) != None:
if node == None and state == None: if node == None and state == None:
vm_list.append(vm) vm_list.append(getInformationFromXML(zk_conn, vm))
else: else:
if vm_node[vm] == node or vm_state[vm] == state: if vm_node[vm] == node or vm_state[vm] == state:
vm_list.append(vm) vm_list.append(getInformationFromXML(zk_conn, vm))
except Exception as e: except Exception as e:
return False, 'Regex Error: {}'.format(e) return False, 'Regex Error: {}'.format(e)
else: else:
# Check node to avoid unneeded ZK calls # Check node to avoid unneeded ZK calls
if node == None and state == None: if node == None and state == None:
vm_list.append(vm) vm_list.append(getInformationFromXML(zk_conn, vm))
else: else:
if vm_node[vm] == node or vm_state[vm] == state: if vm_node[vm] == node or vm_state[vm] == state:
vm_list.append(vm) vm_list.append(getInformationFromXML(zk_conn, vm))
# Gather information for printing return True, vm_list
for vm in vm_list:
vm_lastnode = zkhandler.readdata(zk_conn, '/domains/{}/lastnode'.format(vm)) #
if vm_lastnode != '': # CLI-specific functions
vm_migrated[vm] = 'from {}'.format(vm_lastnode) #
def format_info(zk_conn, domain_information, long_output):
# Format a nice output; do this line-by-line then concat the elements at the end
ainformation = []
ainformation.append('{}Virtual machine information:{}'.format(ansiprint.bold(), ansiprint.end()))
ainformation.append('')
# Basic information
ainformation.append('{}UUID:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['uuid']))
ainformation.append('{}Name:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['name']))
ainformation.append('{}Description:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['description']))
ainformation.append('{}Memory (M):{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['memory']))
ainformation.append('{}vCPUs:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['vcpu']))
ainformation.append('{}Topology (S/C/T):{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['vcpu_topology']))
if long_output == True:
# Virtualization information
ainformation.append('')
ainformation.append('{}Emulator:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['emulator']))
ainformation.append('{}Type:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['type']))
ainformation.append('{}Arch:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['arch']))
ainformation.append('{}Machine:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['machine']))
ainformation.append('{}Features:{} {}'.format(ansiprint.purple(), ansiprint.end(), ' '.join(domain_information['features'])))
# PVC cluster information
ainformation.append('')
dstate_colour = {
'start': ansiprint.green(),
'restart': ansiprint.yellow(),
'shutdown': ansiprint.yellow(),
'stop': ansiprint.red(),
'failed': ansiprint.red(),
'migrate': ansiprint.blue(),
'unmigrate': ansiprint.blue()
}
ainformation.append('{}State:{} {}{}{}'.format(ansiprint.purple(), ansiprint.end(), dstate_colour[domain_information['state']], domain_information['state'], ansiprint.end()))
ainformation.append('{}Current Node:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['node']))
ainformation.append('{}Previous Node:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['last_node']))
# Get a failure reason if applicable
if domain_information['failed_reason'] != '':
click.echo('')
click.echo('{}Failure reason:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['failed_reason']))
# Network list
net_list = []
for net in domain_information['networks']:
# Split out just the numerical (VNI) part of the brXXXX name
net_vnis = re.findall(r'\d+', net['source'])
if net_vnis:
net_vni = net_vnis[0]
else: else:
vm_migrated[vm] = 'no' net_vni = re.sub('br', '', net['source'])
net_exists = zkhandler.exists(zk_conn, '/networks/{}'.format(net_vni))
if not net_exists and net_vni != 'cluster':
net_list.append(ansiprint.red() + net_vni + ansiprint.end() + ' [invalid]')
else:
net_list.append(net_vni)
ainformation.append('')
ainformation.append('{}Networks:{} {}'.format(ansiprint.purple(), ansiprint.end(), ', '.join(net_list)))
try: if long_output == True:
vm_xml = common.getDomainXML(zk_conn, vm) # Disk list
vm_uuid[vm], vm_name[vm], vm_description[vm], vm_memory[vm], vm_vcpu[vm], vm_vcputopo = common.getDomainMainDetails(vm_xml) ainformation.append('')
dnets = common.getDomainNetworks(vm_xml) name_length = 0
vm_nets[vm] = [] for disk in domain_information['disks']:
for net in dnets: _name_length = len(disk['name']) + 1
# Split out just the numerical (VNI) part of the brXXXX name if _name_length > name_length:
net_vnis = re.findall(r'\d+', net['source']) name_length = _name_length
if net_vnis: ainformation.append('{0}Disks:{1} {2}ID Type {3: <{width}} Dev Bus{4}'.format(ansiprint.purple(), ansiprint.end(), ansiprint.bold(), 'Name', ansiprint.end(), width=name_length))
net_vni = net_vnis[0] for disk in domain_information['disks']:
else: ainformation.append(' {0: <3} {1: <5} {2: <{width}} {3: <4} {4: <5}'.format(domain_information['disks'].index(disk), disk['type'], disk['name'], disk['dev'], disk['bus'], width=name_length))
net_vni = re.sub('br', '', net['source']) ainformation.append('')
vm_nets[vm].append(net_vni) ainformation.append('{}Interfaces:{} {}ID Type Source Model MAC{}'.format(ansiprint.purple(), ansiprint.end(), ansiprint.bold(), ansiprint.end()))
except AttributeError: for net in domain_information['nets']:
click.echo('Error: Domain {} does not exist.'.format(domain)) ainformation.append(' {0: <3} {1: <8} {2: <10} {3: <8} {4}'.format(domain_information['nets'].index(net), net['type'], net['source'], net['model'], net['mac']))
# Controller list
ainformation.append('')
ainformation.append('{}Controllers:{} {}ID Type Model{}'.format(ansiprint.purple(), ansiprint.end(), ansiprint.bold(), ansiprint.end()))
for controller in domain_information['controllers']:
ainformation.append(' {0: <3} {1: <14} {2: <8}'.format(domain_information['controllers'].index(controller), controller['type'], controller['model']))
# Join it all together
information = '\n'.join(ainformation)
click.echo(information)
click.echo('')
def format_list(zk_conn, vm_list, raw):
# Handle raw mode since it just lists the names
if raw: if raw:
for vm in sorted(vm_name.values()): for vm in sorted(vm_name.values()):
click.echo(vm) click.echo(vm)
return True, '' return True, ''
vm_list_output = []
# Determine optimal column widths # Determine optimal column widths
# Dynamic columns: node_name, node, migrated # Dynamic columns: node_name, node, migrated
vm_name_length = 5 vm_name_length = 5
@ -668,25 +674,35 @@ def get_list(zk_conn, node, state, limit, raw):
vm_vcpu_length = 6 vm_vcpu_length = 6
vm_node_length = 8 vm_node_length = 8
vm_migrated_length = 10 vm_migrated_length = 10
for vm in vm_list: for domain_information in vm_list:
# Network list
net_list = []
for net in domain_information['networks']:
# Split out just the numerical (VNI) part of the brXXXX name
net_vnis = re.findall(r'\d+', net['source'])
if net_vnis:
net_vni = net_vnis[0]
else:
net_vni = re.sub('br', '', net['source'])
net_list.append(net_vni)
# vm_name column # vm_name column
_vm_name_length = len(vm_name[vm]) + 1 _vm_name_length = len(domain_information['name']) + 1
if _vm_name_length > vm_name_length: if _vm_name_length > vm_name_length:
vm_name_length = _vm_name_length vm_name_length = _vm_name_length
# vm_state column # vm_state column
_vm_state_length = len(vm_state[vm]) + 1 _vm_state_length = len(domain_information['state']) + 1
if _vm_state_length > vm_state_length: if _vm_state_length > vm_state_length:
vm_state_length = _vm_state_length vm_state_length = _vm_state_length
# vm_nets column # vm_nets column
_vm_nets_length = len(','.join(vm_nets[vm])) + 1 _vm_nets_length = len(','.join(net_list)) + 1
if _vm_nets_length > vm_nets_length: if _vm_nets_length > vm_nets_length:
vm_nets_length = _vm_nets_length vm_nets_length = _vm_nets_length
# vm_node column # vm_node column
_vm_node_length = len(vm_node[vm]) + 1 _vm_node_length = len(domain_information['node']) + 1
if _vm_node_length > vm_node_length: if _vm_node_length > vm_node_length:
vm_node_length = _vm_node_length vm_node_length = _vm_node_length
# vm_migrated column # vm_migrated column
_vm_migrated_length = len(vm_migrated[vm]) + 1 _vm_migrated_length = len(domain_information['migrated']) + 1
if _vm_migrated_length > vm_migrated_length: if _vm_migrated_length > vm_migrated_length:
vm_migrated_length = _vm_migrated_length vm_migrated_length = _vm_migrated_length
@ -722,34 +738,39 @@ def get_list(zk_conn, node, state, limit, raw):
) )
# Format the string (elements) # Format the string (elements)
for vm in vm_list: for domain_information in vm_list:
if vm_state[vm] == 'start': if domain_information['state'] == 'start':
vm_state_colour = ansiprint.green() vm_state_colour = ansiprint.green()
elif vm_state[vm] == 'restart': elif domain_information['state'] == 'restart':
vm_state_colour = ansiprint.yellow() vm_state_colour = ansiprint.yellow()
elif vm_state[vm] == 'shutdown': elif domain_information['state'] == 'shutdown':
vm_state_colour = ansiprint.yellow() vm_state_colour = ansiprint.yellow()
elif vm_state[vm] == 'stop': elif domain_information['state'] == 'stop':
vm_state_colour = ansiprint.red() vm_state_colour = ansiprint.red()
elif vm_state[vm] == 'failed': elif domain_information['state'] == 'failed':
vm_state_colour = ansiprint.red() vm_state_colour = ansiprint.red()
else: else:
vm_state_colour = ansiprint.blue() vm_state_colour = ansiprint.blue()
# Handle colouring for an invalid network config # Handle colouring for an invalid network config
net_list = [] net_list = []
vm_nets_colour = ansiprint.end() for net in domain_information['networks']:
for net in vm_nets[vm]: # Split out just the numerical (VNI) part of the brXXXX name
net_exists = zkhandler.exists(zk_conn, '/networks/{}'.format(net)) net_vnis = re.findall(r'\d+', net['source'])
net_list.append(net) if net_vnis:
if not net_exists and net != 'cluster': net_vni = net_vnis[0]
vm_nets_colour = ansiprint.red() else:
vm_nets[vm] = ','.join(net_list) net_vni = re.sub('br', '', net['source'])
net_exists = zkhandler.exists(zk_conn, '/networks/{}'.format(net_vni))
if not net_exists and net_vni != 'cluster':
net_list.append(ansiprint.red() + net_vni + ansiprint.end())
else:
net_list.append(net_vni)
vm_list_output.append( vm_list_output.append(
'{bold}{vm_name: <{vm_name_length}} {vm_uuid: <{vm_uuid_length}} \ '{bold}{vm_name: <{vm_name_length}} {vm_uuid: <{vm_uuid_length}} \
{vm_state_colour}{vm_state: <{vm_state_length}}{end_colour} \ {vm_state_colour}{vm_state: <{vm_state_length}}{end_colour} \
{vm_nets_colour}{vm_networks: <{vm_nets_length}}{end_colour} \ {vm_networks: <{vm_nets_length}} \
{vm_memory: <{vm_ram_length}} {vm_vcpu: <{vm_vcpu_length}} \ {vm_memory: <{vm_ram_length}} {vm_vcpu: <{vm_vcpu_length}} \
{vm_node: <{vm_node_length}} \ {vm_node: <{vm_node_length}} \
{vm_migrated: <{vm_migrated_length}}{end_bold}'.format( {vm_migrated: <{vm_migrated_length}}{end_bold}'.format(
@ -764,19 +785,19 @@ def get_list(zk_conn, node, state, limit, raw):
bold='', bold='',
end_bold='', end_bold='',
vm_state_colour=vm_state_colour, vm_state_colour=vm_state_colour,
vm_nets_colour=vm_nets_colour,
end_colour=ansiprint.end(), end_colour=ansiprint.end(),
vm_name=vm_name[vm], vm_name=domain_information['name'],
vm_uuid=vm_uuid[vm], vm_uuid=domain_information['uuid'],
vm_state=vm_state[vm], vm_state=domain_information['state'],
vm_networks=vm_nets[vm], vm_networks=','.join(net_list),
vm_memory=vm_memory[vm], vm_memory=domain_information['memory'],
vm_vcpu=vm_vcpu[vm], vm_vcpu=domain_information['vcpu'],
vm_node=vm_node[vm], vm_node=domain_information['node'],
vm_migrated=vm_migrated[vm] vm_migrated=domain_information['migrated']
) )
) )
click.echo('\n'.join(sorted(vm_list_output))) click.echo('\n'.join(sorted(vm_list_output)))
return True, '' return True, ''