Merge PR ceph#55601 into main

* refs/pull/55601/head:
	qa: test fuse/kclient for mds upgrade seq
	qa: ignore OSD_DOWN during cephadm upgrades
	qa: ignore warning "Replacing daemon"
	qa: ignore MDS_INSUFFICIENT_STANDBY
	qa: remove ignorelist error parenthesis
	mds: update comment on kclient decoding of MDSMap
	qa: do upgrades from quincy and older reef minor releases
	mds: reverse MDSMap encoding of max_xattr_size/bal_rank_mask

Reviewed-by: Venky Shankar <[email protected]>

Author: batrick

qa/cephfs/overrides/ignorelist_health.yaml

@@ -1,13 +1,15 @@
 overrides:
   ceph:
     log-ignorelist:
+      - FS_DEGRADED
+      - FS_INLINE_DATA_DEPRECATED
+      - FS_WITH_FAILED_MDS
+      - MDS_ALL_DOWN
+      - MDS_DAMAGE
+      - MDS_DEGRADED
+      - MDS_FAILED
+      - MDS_INSUFFICIENT_STANDBY
+      - MDS_UP_LESS_THAN_MAX
+      - POOL_APP_NOT_ENABLED
       - overall HEALTH_
-      - \(FS_DEGRADED\)
-      - \(MDS_FAILED\)
-      - \(MDS_DEGRADED\)
-      - \(FS_WITH_FAILED_MDS\)
-      - \(MDS_DAMAGE\)
-      - \(MDS_ALL_DOWN\)
-      - \(MDS_UP_LESS_THAN_MAX\)
-      - \(FS_INLINE_DATA_DEPRECATED\)
-      - \(POOL_APP_NOT_ENABLED\)
+      - Replacing daemon

qa/suites/fs/upgrade/mds_upgrade_sequence/overrides/ignorelist_upgrade.yaml

@@ -0,0 +1,4 @@
+overrides:
+  ceph:
+    log-ignorelist:
+      - OSD_DOWN

qa/suites/fs/upgrade/mds_upgrade_sequence/tasks/0-from/reef/$

@@ -0,0 +1,31 @@
+meta:
+- desc: |
+   setup ceph/reef
+
+tasks:
+- install:
+    branch: reef
+    exclude_packages:
+      - ceph-volume
+- print: "**** done install task..."
+- cephadm:
+    image: quay.ceph.io/ceph-ci/ceph:reef
+    roleless: true
+    compiled_cephadm_branch: reef
+    conf:
+      osd:
+        #set config option for which cls modules are allowed to be loaded / used
+        osd_class_load_list: "*"
+        osd_class_default_list: "*"
+- print: "**** done end installing reef cephadm ..."
+- cephadm.shell:
+    host.a:
+      - ceph config set mgr mgr/cephadm/use_repo_digest true --force
+- print: "**** done cephadm.shell ceph config set mgr..."
+- cephadm.shell:
+    host.a:
+      - ceph orch status
+      - ceph orch ps
+      - ceph orch ls
+      - ceph orch host ls
+      - ceph orch device ls

qa/suites/fs/upgrade/mds_upgrade_sequence/tasks/0-from/reef/reef.yaml

@@ -0,0 +1,31 @@
+meta:
+- desc: |
+   setup ceph/v18.2.0
+
+tasks:
+- install:
+    tag: v18.2.0
+    exclude_packages:
+      - ceph-volume
+- print: "**** done install task..."
+- cephadm:
+    image: quay.io/ceph/ceph:v18.2.0
+    roleless: true
+    compiled_cephadm_branch: reef
+    conf:
+      osd:
+        #set config option for which cls modules are allowed to be loaded / used
+        osd_class_load_list: "*"
+        osd_class_default_list: "*"
+- print: "**** done end installing v18.2.0 cephadm ..."
+- cephadm.shell:
+    host.a:
+      - ceph config set mgr mgr/cephadm/use_repo_digest true --force
+- print: "**** done cephadm.shell ceph config set mgr..."
+- cephadm.shell:
+    host.a:
+      - ceph orch status
+      - ceph orch ps
+      - ceph orch ls
+      - ceph orch host ls
+      - ceph orch device ls

qa/suites/fs/upgrade/mds_upgrade_sequence/tasks/0-from/reef/v18.2.0.yaml

@@ -0,0 +1,31 @@
+meta:
+- desc: |
+   setup ceph/v18.2.1
+
+tasks:
+- install:
+    tag: v18.2.1
+    exclude_packages:
+      - ceph-volume
+- print: "**** done install task..."
+- cephadm:
+    image: quay.io/ceph/ceph:v18.2.1
+    roleless: true
+    compiled_cephadm_branch: reef
+    conf:
+      osd:
+        #set config option for which cls modules are allowed to be loaded / used
+        osd_class_load_list: "*"
+        osd_class_default_list: "*"
+- print: "**** done end installing v18.2.1 cephadm ..."
+- cephadm.shell:
+    host.a:
+      - ceph config set mgr mgr/cephadm/use_repo_digest true --force
+- print: "**** done cephadm.shell ceph config set mgr..."
+- cephadm.shell:
+    host.a:
+      - ceph orch status
+      - ceph orch ps
+      - ceph orch ls
+      - ceph orch host ls
+      - ceph orch device ls

qa/suites/fs/upgrade/mds_upgrade_sequence/tasks/0-from/reef/v18.2.1.yaml

@@ -0,0 +1,3 @@
+tasks:
+- ceph-fuse:
+- print: "**** done client"

qa/suites/fs/upgrade/mds_upgrade_sequence/tasks/2-client/fuse.yaml

@@ -800,8 +800,8 @@ void MDSMap::encode(bufferlist& bl, uint64_t features) const
     encode(min_compat_client, bl);
   }
   encode(required_client_features, bl);
-  encode(max_xattr_size, bl);
   encode(bal_rank_mask, bl);
+  encode(max_xattr_size, bl);
   ENCODE_FINISH(bl);
 }
 
@@ -852,7 +852,8 @@ void MDSMap::decode(bufferlist::const_iterator& p)
     decode(cas_pool, p);
   }
 
-  // kclient ignores everything from here
+  // kclient skips most of what's below
+  // see fs/ceph/mdsmap.c for current decoding
   __u16 ev = 1;
   if (struct_v >= 2)
     decode(ev, p);
@@ -949,11 +950,11 @@ void MDSMap::decode(bufferlist::const_iterator& p)
   }
 
   if (ev >= 17) {
-    decode(max_xattr_size, p);
+    decode(bal_rank_mask, p);
   }
 
   if (ev >= 18) {
-    decode(bal_rank_mask, p);
+    decode(max_xattr_size, p);
   }
 
   /* All MDS since at least v14.0.0 understand INLINE */