From: Aishwarya Mathuria <amathuri@redhat.com>
Date: Tue, 11 Feb 2025 09:38:22 +0000 (+0000)
Subject: qa/suites/crimson: Add a test for PG Splitting in the crimson suite
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=cc876e1a060c8e902603c73c1c76e19b255dd142;p=ceph.git

qa/suites/crimson: Add a test for PG Splitting in the crimson suite

Signed-off-by: Aishwarya Mathuria <amathuri@redhat.com>
---

diff --git a/qa/suites/crimson-rados/singleton/all/osd-pg-splitting.yaml b/qa/suites/crimson-rados/singleton/all/osd-pg-splitting.yaml
new file mode 100644
index 0000000000000..9ae88f42e2544
--- /dev/null
+++ b/qa/suites/crimson-rados/singleton/all/osd-pg-splitting.yaml
@@ -0,0 +1,38 @@
+roles:
+- - mon.a
+  - mon.b
+  - mon.c
+  - mgr.x
+  - osd.0
+  - osd.1
+  - osd.2
+  - client.0
+openstack:
+  - volumes: # attached to each instance
+      count: 3
+      size: 10 # GB
+tasks:
+- install:
+    flavor: crimson
+- ceph:
+    pre-mgr-commands:
+      - sudo ceph config set mgr mgr_pool false --force
+    log-ignorelist:
+      - but it is still running
+      - overall HEALTH_
+      - \(PG_
+    conf:
+      osd:
+        osd min pg log entries: 5
+        crimson alien thread cpu cores: 6-7
+      osd.0:
+        crimson seastar cpu cores: 0-1
+      osd.1:
+        crimson seastar cpu cores: 2-3
+      osd.2:
+        crimson seastar cpu cores: 4-5
+      global:
+- workunit:
+    clients:
+      client.0:
+        - rados/test_pg_splitting.sh
diff --git a/qa/workunits/rados/test_pg_splitting.sh b/qa/workunits/rados/test_pg_splitting.sh
new file mode 100755
index 0000000000000..92fd00902dcfe
--- /dev/null
+++ b/qa/workunits/rados/test_pg_splitting.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+. $(dirname $0)/../../standalone/ceph-helpers.sh
+
+set -x
+
+function test_pg_splitting() {
+    ceph osd pool delete foo foo --yes-i-really-really-mean-it || true
+    create_pool foo 4
+    wait_for_clean || return 1
+
+    #ensure nopgchange is set to 0 to allow for change in pg_num
+    ceph osd pool set foo nopgchange 0
+    #increase pg_num to induce splitting
+    ceph osd pool set foo pg_num 16
+    wait_for_clean || return 1
+    ceph osd pool set foo pgp_num 16
+    wait_for_clean || return 1
+
+    #get new PG stats
+    stats=$(ceph pg ls-by-pool foo --format=json 2>/dev/null | jq -r ".pg_stats")
+    new_pg_count=$(echo "$stats" | jq '. | length')
+    echo "New PG Count: $new_pg_count"
+    test "$new_pg_count" -eq 16 || return 1
+}
+
+test_pg_splitting || exit 1
+
+echo "OK"