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Add VM disable command

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Closes #53
This commit is contained in:
Joshua Boniface
2019-10-23 23:37:42 -04:00
parent 715640955f
commit 32b4ed66e8
2 changed files with 39 additions and 1 deletions
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20
client-cli/pvc.py
View File

@@ -510,6 +510,25 @@ def vm_stop(domain):
retcode, retmsg = pvc_vm.stop_vm(zk_conn, domain)
cleanup(retcode, retmsg, zk_conn)
###############################################################################
# pvc vm disable
###############################################################################
@click.command(name='disable', short_help='Mark a virtual machine as disabled.')
@click.argument(
'domain'
)
def vm_disable(domain):
"""
Prevent stopped virtual machine DOMAIN from being counted towards cluster health status. DOMAIN may be a UUID or name.
Use this option for VM that are stopped intentionally or long-term and which should not impact cluster health if stopped. A VM can be started directly from disable state.
"""
# Open a Zookeeper connection
zk_conn = pvc_common.startZKConnection(zk_host)
retcode, retmsg = pvc_vm.disable_vm(zk_conn, domain)
cleanup(retcode, retmsg, zk_conn)
###############################################################################
# pvc vm move
###############################################################################
@@ -1833,6 +1852,7 @@ cli_vm.add_command(vm_start)
cli_vm.add_command(vm_restart)
cli_vm.add_command(vm_shutdown)
cli_vm.add_command(vm_stop)
cli_vm.add_command(vm_disable)
cli_vm.add_command(vm_move)
cli_vm.add_command(vm_migrate)
cli_vm.add_command(vm_unmigrate)

20
client-common/vm.py
View File

@@ -398,6 +398,23 @@ def stop_vm(zk_conn, domain):
return True, 'Forcibly stopping VM "{}".'.format(domain)
def disable_vm(zk_conn, domain):
# Validate that VM exists in cluster
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)
# Get state and verify we're OK to proceed
current_state = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(dom_uuid))
if current_state != 'stop':
return False, 'ERROR: VM "{}" must be stopped before disabling!'.format(domain)
# Set the VM to start
zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'disabled'})
return True, 'Marked VM "{}" as disabled.'.format(domain)
def move_vm(zk_conn, domain, target_node):
# Validate that VM exists in cluster
dom_uuid = getDomainUUID(zk_conn, domain)
@@ -623,7 +640,7 @@ def get_list(zk_conn, node, state, limit, is_fuzzy=True):
return False, 'Specified node "{}" is invalid.'.format(node)
if state:
valid_states = [ 'start', 'restart', 'shutdown', 'stop', 'failed', 'migrate', 'unmigrate' ]
valid_states = [ 'start', 'restart', 'shutdown', 'stop', 'disabled', 'failed', 'migrate', 'unmigrate' ]
if not state in valid_states:
return False, 'VM state "{}" is not valid.'.format(state)
@@ -709,6 +726,7 @@ def format_info(zk_conn, domain_information, long_output):
'restart': ansiprint.yellow(),
'shutdown': ansiprint.yellow(),
'stop': ansiprint.red(),
'disabled': ansiprint.blue(),
'failed': ansiprint.red(),
'migrate': ansiprint.blue(),
'unmigrate': ansiprint.blue()