[pve-devel] [RFC ha-manager 1/3] resources: get static stats: add cache parameter

[Fiona Ebner]

so callers can avoid the overhead from load_config() if they already
have the required information.

Signed-off-by: Fiona Ebner <f.ebner at proxmox.com>
---
 src/PVE/HA/Resources.pm       | 2 +-
 src/PVE/HA/Resources/PVECT.pm | 4 ++--
 src/PVE/HA/Resources/PVEVM.pm | 5 +++--
 src/PVE/HA/Sim/Resources.pm   | 2 +-
 4 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/PVE/HA/Resources.pm b/src/PVE/HA/Resources.pm
index 7ba90f6..ee8de52 100644
--- a/src/PVE/HA/Resources.pm
+++ b/src/PVE/HA/Resources.pm
@@ -162,7 +162,7 @@ sub remove_locks {
 }
 
 sub get_static_stats {
-    my ($class, $haenv, $id, $service_node) = @_;
+    my ($class, $haenv, $id, $service_node, $cache) = @_;
 
     die "implement in subclass";
 }
diff --git a/src/PVE/HA/Resources/PVECT.pm b/src/PVE/HA/Resources/PVECT.pm
index e77d98c..c10d024 100644
--- a/src/PVE/HA/Resources/PVECT.pm
+++ b/src/PVE/HA/Resources/PVECT.pm
@@ -153,9 +153,9 @@ sub remove_locks {
 }
 
 sub get_static_stats {
-    my ($class, $haenv, $id, $service_node) = @_;
+    my ($class, $haenv, $id, $service_node, $cache) = @_;
 
-    my $conf = PVE::LXC::Config->load_config($id, $service_node);
+    my $conf = $cache->{$id} ||= PVE::LXC::Config->load_config($id, $service_node);
 
     return {
 	maxcpu => $conf->{cpulimit} || $conf->{cores} || 0,
diff --git a/src/PVE/HA/Resources/PVEVM.pm b/src/PVE/HA/Resources/PVEVM.pm
index f405d86..ca7fbc4 100644
--- a/src/PVE/HA/Resources/PVEVM.pm
+++ b/src/PVE/HA/Resources/PVEVM.pm
@@ -176,9 +176,10 @@ sub remove_locks {
 }
 
 sub get_static_stats {
-    my ($class, $haenv, $id, $service_node) = @_;
+    my ($class, $haenv, $id, $service_node, $cache) = @_;
+
+    my $conf = $cache->{$id} ||= PVE::QemuConfig->load_config($id, $service_node);
 
-    my $conf = PVE::QemuConfig->load_config($id, $service_node);
     my $defaults = PVE::QemuServer::load_defaults();
 
     my $cpus = ($conf->{sockets} || $defaults->{sockets}) * ($conf->{cores} || $defaults->{cores});
diff --git a/src/PVE/HA/Sim/Resources.pm b/src/PVE/HA/Sim/Resources.pm
index e6e1853..999a77a 100644
--- a/src/PVE/HA/Sim/Resources.pm
+++ b/src/PVE/HA/Sim/Resources.pm
@@ -140,7 +140,7 @@ sub remove_locks {
 }
 
 sub get_static_stats {
-    my ($class, $haenv, $id, $service_node) = @_;
+    my ($class, $haenv, $id, $service_node, $cache) = @_;
 
     my $sid = $class->type() . ":$id";
     my $hardware = $haenv->hardware();
-- 
2.30.2