parallelvirtualcluster
/
pvc
1
0
Fork 0
Code Issues 11 Pull Requests Projects Releases 111 Wiki Activity

Simplify VM metadata reads 

Directly call the new common getDomainMetadata function to avoid
excessive Zookeeper calls for this information.
This commit is contained in:
Joshua Boniface 2021-07-13 02:08:54 -04:00
parent 9a199992a1
commit c0a3467b70
2 changed files with 34 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
api-daemon/pvcapid/helper.py
View File

@ -463,28 +463,20 @@ def get_vm_meta(zkhandler, vm):
""" """
Get metadata of a VM. Get metadata of a VM.
""" """
retflag, retdata = pvc_vm.get_list(zkhandler, None, None, vm, is_fuzzy=False) dom_uuid = pvc_vm.getDomainUUID(zkhandler, vm)
if not dom_uuid:
return {"message": "VM not found."}, 404
if retflag: domain_node_limit, domain_node_selector, domain_node_autostart, domain_migrate_method = pvc_common.getDomainMetadata(zkhandler, dom_uuid)
if retdata:
retcode = 200 retcode = 200
retdata = { retdata = {
'name': vm, 'name': vm,
'node_limit': retdata['node_limit'], 'node_limit': domain_node_limit,
'node_selector': retdata['node_selector'], 'node_selector': domain_node_selector,
'node_autostart': retdata['node_autostart'], 'node_autostart': domain_node_autostart,
'migration_method': retdata['migration_method'] 'migration_method': domain_migrate_method
} }
else:
retcode = 404
retdata = {
'message': 'VM not found.'
}
else:
retcode = 400
retdata = {
'message': retdata
}
return retdata, retcode return retdata, retcode
@ -499,6 +491,7 @@ def update_vm_meta(zkhandler, vm, limit, selector, autostart, provisioner_profil
autostart = bool(strtobool(autostart)) autostart = bool(strtobool(autostart))
except Exception: except Exception:
autostart = False autostart = False
retflag, retdata = pvc_vm.modify_vm_metadata(zkhandler, vm, limit, selector, autostart, provisioner_profile, migration_method) retflag, retdata = pvc_vm.modify_vm_metadata(zkhandler, vm, limit, selector, autostart, provisioner_profile, migration_method)
if retflag: if retflag:

31
daemon-common/common.py
View File

@ -315,18 +315,9 @@ def getDomainTags(zkhandler, dom_uuid):
# #
# Get domain information from XML # Get a set of domain metadata
# #
def getInformationFromXML(zkhandler, uuid): def getDomainMetadata(zkhandler, dom_uuid):
"""
Gather information about a VM from the Libvirt XML configuration in the Zookeper database
and return a dict() containing it.
"""
domain_state = zkhandler.read(('domain.state', uuid))
domain_node = zkhandler.read(('domain.node', uuid))
domain_lastnode = zkhandler.read(('domain.last_node', uuid))
domain_failedreason = zkhandler.read(('domain.failed_reason', uuid))
domain_node_limit = zkhandler.read(('domain.meta.node_limit', uuid)) domain_node_limit = zkhandler.read(('domain.meta.node_limit', uuid))
domain_node_selector = zkhandler.read(('domain.meta.node_selector', uuid)) domain_node_selector = zkhandler.read(('domain.meta.node_selector', uuid))
domain_node_autostart = zkhandler.read(('domain.meta.autostart', uuid)) domain_node_autostart = zkhandler.read(('domain.meta.autostart', uuid))
@ -340,6 +331,24 @@ def getInformationFromXML(zkhandler, uuid):
if not domain_node_autostart: if not domain_node_autostart:
domain_node_autostart = None domain_node_autostart = None
return domain_node_limit, domain_node_selector, domain_node_autostart, domain_migration_method
#
# Get domain information from XML
#
def getInformationFromXML(zkhandler, uuid):
"""
Gather information about a VM from the Libvirt XML configuration in the Zookeper database
and return a dict() containing it.
"""
domain_state = zkhandler.read(('domain.state', uuid))
domain_node = zkhandler.read(('domain.node', uuid))
domain_lastnode = zkhandler.read(('domain.last_node', uuid))
domain_failedreason = zkhandler.read(('domain.failed_reason', uuid))
domain_node_limit, domain_node_selector, domain_node_autostart, domain_migration_method = getDomainMetadata(zkhandler, uuid)
domain_profile = zkhandler.read(('domain.profile', uuid)) domain_profile = zkhandler.read(('domain.profile', uuid))
domain_vnc = zkhandler.read(('domain.console.vnc', uuid)) domain_vnc = zkhandler.read(('domain.console.vnc', uuid))