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Add live migrate max downtime selector meta field

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Adds a new flag to VM metadata to allow setting the VM live migration
max downtime. This will enable very busy VMs that hang live migration to
have this value changed.
This commit is contained in:
Joshua Boniface
2024-01-10 16:13:31 -05:00
parent 38eeb78423
commit 09269f182c
17 changed files with 283 additions and 30 deletions
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8
daemon-common/common.py
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@ -441,12 +441,14 @@ def getDomainMetadata(zkhandler, dom_uuid):
domain_node_selector,
domain_node_autostart,
domain_migration_method,
domain_migration_max_downtime,
) = zkhandler.read_many(
[
("domain.meta.node_limit", dom_uuid),
("domain.meta.node_selector", dom_uuid),
("domain.meta.autostart", dom_uuid),
("domain.meta.migrate_method", dom_uuid),
("domain.meta.migrate_max_downtime", dom_uuid),
]
)
@ -464,11 +466,15 @@ def getDomainMetadata(zkhandler, dom_uuid):
if not domain_migration_method or domain_migration_method == "none":
domain_migration_method = None
if not domain_migration_max_downtime or domain_migration_max_downtime == "none":
domain_migration_max_downtime = 300
return (
domain_node_limit,
domain_node_selector,
domain_node_autostart,
domain_migration_method,
domain_migration_max_downtime,
)
@ -505,6 +511,7 @@ def getInformationFromXML(zkhandler, uuid):
domain_node_selector,
domain_node_autostart,
domain_migration_method,
domain_migration_max_downtime,
) = getDomainMetadata(zkhandler, uuid)
domain_tags = getDomainTags(zkhandler, uuid)
@ -565,6 +572,7 @@ def getInformationFromXML(zkhandler, uuid):
"node_selector": domain_node_selector,
"node_autostart": bool(strtobool(domain_node_autostart)),
"migration_method": domain_migration_method,
"migration_max_downtime": int(domain_migration_max_downtime),
"tags": domain_tags,
"description": domain_description,
"profile": domain_profile,