Ask systemd to track memory consumption

Allows tracking memory consumption on a per-unit and per-cgroup basis.

https://www.freedesktop.org/software/systemd/man/systemd.resource-control.html#MemoryAccounting=

closes: #7192
https://pulp.plan.io/issues/7192

CHANGES/7192.feature

@@ -0,0 +1 @@
+Enable resource accounting via systemd.

roles/pulp_api/templates/pulpcore-api.service.j2

@@ -22,12 +22,15 @@ ProtectSystem=full
 PrivateTmp=yes
 PrivateDevices=yes
 
-
 # This provides reconnect support for PostgreSQL and Redis. Without reconnect support, if either
 # is not available at startup or becomes disconnected, this process will die and not respawn.
 Restart=always
 RestartSec=3
 
+# Enables tracking of process resource consumption at a unit & cgroup level.
+CPUAccounting=yes
+MemoryAccounting=yes
+
 # This directive is set to an absolute path in other Pulp units. Using an
 # absolute path is an abuse of the directive, as it should be a relative path,
 # not an absolute path. PIDFile is now used to ensure that PID files are laid

roles/pulp_content/templates/pulpcore-content.service.j2

@@ -20,6 +20,9 @@ ExecStart={{ pulp_install_dir }}/bin/gunicorn pulpcore.content:server \
           -w 2 \
           --access-logfile -
 
+# Enables tracking of process resource consumption at a unit & cgroup level.
+CPUAccounting=yes
+MemoryAccounting=yes
 
 # This provides reconnect support for PostgreSQL and Redis. Without reconnect support, if either
 # is not available at startup or becomes disconnected, this process will die and not respawn.

roles/pulp_resource_manager/templates/pulpcore-resource-manager.service.j2

@@ -20,6 +20,9 @@ ExecStart={{ pulp_install_dir }}/bin/rq worker \
           -c 'pulpcore.rqconfig' \
           --disable-job-desc-logging
 
+# Enables tracking of process resource consumption at a unit & cgroup level.
+CPUAccounting=yes
+MemoryAccounting=yes
 
 # This provides reconnect support for PostgreSQL and Redis. Without reconnect support, if either
 # is not available at startup or becomes disconnected, this process will die and not respawn.

roles/pulp_workers/templates/pulpcore-worker@.service.j2

@@ -22,6 +22,9 @@ ExecStart={{ pulp_install_dir }}/bin/rq worker \
           -c 'pulpcore.rqconfig' \
           --disable-job-desc-logging
 
+# Enables tracking of process resource consumption at a unit & cgroup level.
+CPUAccounting=yes
+MemoryAccounting=yes
 
 # This provides reconnect support for PostgreSQL and Redis. Without reconnect support, if either
 # is not available at startup or becomes disconnected, this process will die and not respawn.