From 050f3291b9ef8788510b78c543055638275eb20f Mon Sep 17 00:00:00 2001
From: Charlie Doern <cdoern@redhat.com>
Date: Tue, 9 Aug 2022 09:25:03 -0400
Subject: implement podman update
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podman update allows users to change the cgroup configuration of an existing container using the already defined resource limits flags
from podman create/run. The supported flags in crun are:

this command is also now supported in the libpod api via the /libpod/containers/<CID>/update endpoint where
the resource limits are passed inthe request body and follow the OCI resource spec format

–memory
–cpus
–cpuset-cpus
–cpuset-mems
–memory-swap
–memory-reservation
–cpu-shares
–cpu-quota
–cpu-period
–blkio-weight
–cpu-rt-period
–cpu-rt-runtime
-device-read-bps
-device-write-bps
-device-read-iops
-device-write-iops
-memory-swappiness
-blkio-weight-device

resolves #15067

Signed-off-by: Charlie Doern <cdoern@redhat.com>
---
 test/apiv2/20-containers.at | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'test/apiv2/20-containers.at')

diff --git a/test/apiv2/20-containers.at b/test/apiv2/20-containers.at
index 253bb2e45..9ace46b8b 100644
--- a/test/apiv2/20-containers.at
+++ b/test/apiv2/20-containers.at
@@ -547,6 +547,21 @@ t GET libpod/containers/$cname/json 200 \
   .ImageName=$IMAGE \
   .Name=$cname
 
+if root; then
+  podman run -dt --name=updateCtr alpine
+  echo '{"Memory":{"Limit":500000}, "CPU":{"Shares":123}}' >${TMPD}/update.json
+  t POST libpod/containers/updateCtr/update ${TMPD}/update.json 201
+
+  # Verify
+  echo '{ "AttachStdout":true,"Cmd":["cat","/sys/fs/cgroup/cpu.weight"]}' >${TMPD}/exec.json
+  t POST containers/updateCtr/exec ${TMPD}/exec.json 201 .Id~[0-9a-f]\\{64\\}
+  eid=$(jq -r '.Id' <<<"$output")
+  # 002 is the byte length
+  t POST exec/$eid/start 200 $'\001\0025'
+
+  podman rm -f updateCtr
+fi
+
 rm -rf $TMPD
 
 podman container rm -fa
-- 
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