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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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16
daemon-common/vm.py
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@ -147,6 +147,7 @@ def define_vm(
node_selector,
node_autostart,
migration_method=None,
migration_max_downtime=300,
profile=None,
tags=[],
initial_state="stop",
@ -272,6 +273,10 @@ def define_vm(
(("domain.console.vnc", dom_uuid), ""),
(("domain.meta.autostart", dom_uuid), node_autostart),
(("domain.meta.migrate_method", dom_uuid), str(migration_method).lower()),
(
("domain.meta.migrate_max_downtime", dom_uuid),
int(migration_max_downtime),
),
(("domain.meta.node_limit", dom_uuid), formatted_node_limit),
(("domain.meta.node_selector", dom_uuid), str(node_selector).lower()),
(("domain.meta.tags", dom_uuid), ""),
@ -305,6 +310,7 @@ def modify_vm_metadata(
node_autostart,
provisioner_profile,
migration_method,
migration_max_downtime,
):
dom_uuid = getDomainUUID(zkhandler, domain)
if not dom_uuid:
@ -331,6 +337,14 @@ def modify_vm_metadata(
(("domain.meta.migrate_method", dom_uuid), str(migration_method).lower())
)
if migration_max_downtime is not None:
update_list.append(
(
("domain.meta.migrate_max_downtime", dom_uuid),
int(migration_max_downtime),
)
)
if len(update_list) < 1:
return False, "ERROR: No updates to apply."
@ -563,6 +577,7 @@ def rename_vm(zkhandler, domain, new_domain):
dom_info["node_selector"],
dom_info["node_autostart"],
migration_method=dom_info["migration_method"],
migration_max_downtime=dom_info["migration_max_downtime"],
profile=dom_info["profile"],
tags=dom_info["tags"],
initial_state="stop",
@ -1624,6 +1639,7 @@ def restore_vm(zkhandler, domain, backup_path, datestring, retain_snapshot=False
backup_source_details["vm_detail"]["node_selector"],
backup_source_details["vm_detail"]["node_autostart"],
backup_source_details["vm_detail"]["migration_method"],
backup_source_details["vm_detail"]["migration_max_downtime"],
backup_source_details["vm_detail"]["profile"],
backup_source_details["vm_detail"]["tags"],
"restore",