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authorJenkins <jenkins@review.openstack.org>2017-09-08 06:22:09 +0000
committerGerrit Code Review <review@openstack.org>2017-09-08 06:22:09 +0000
commit896517755b917a5018e6529100d2cda5487a35d9 (patch)
tree4e70d1a1b1bd43f04529033411570abc2d9d3fba /extraconfig/tasks/pacemaker_common_functions.sh
parent75b14599e1ad498983ea43add369f04bbc97a198 (diff)
parente6682e5b66d165a930e5a4a76e88289d7a1ce5e2 (diff)
Merge "Maintain ceph-osd package only on nodes hosting CephOSD service" into stable/pike
Diffstat (limited to 'extraconfig/tasks/pacemaker_common_functions.sh')
-rwxr-xr-xextraconfig/tasks/pacemaker_common_functions.sh62
1 files changed, 62 insertions, 0 deletions
diff --git a/extraconfig/tasks/pacemaker_common_functions.sh b/extraconfig/tasks/pacemaker_common_functions.sh
index 367f50d7..eb004070 100755
--- a/extraconfig/tasks/pacemaker_common_functions.sh
+++ b/extraconfig/tasks/pacemaker_common_functions.sh
@@ -383,3 +383,65 @@ worfklow. Exiting."
exit 1
fi
}
+
+# This function tries to resolve an RPM dependency issue that can arise when
+# updating ceph packages on nodes that do not run the ceph-osd service. These
+# nodes do not require the ceph-osd package, and updates will fail if the
+# ceph-osd package cannot be updated because it's not available in any enabled
+# repo. The dependency issue is resolved by removing the ceph-osd package from
+# nodes that don't require it.
+#
+# No change is made to nodes that use the ceph-osd service (e.g. ceph storage
+# nodes, and hyperconverged nodes running ceph-osd and compute services). The
+# ceph-osd package is left in place, and the currently enabled repos will be
+# used to update all ceph packages.
+function yum_pre_update {
+ echo "Checking for ceph-osd dependency issues"
+
+ # No need to proceed if the ceph-osd package isn't installed
+ if ! rpm -q ceph-osd >/dev/null 2>&1; then
+ echo "ceph-osd package is not installed"
+ return
+ fi
+
+ # Do not proceed if there's any sign that the ceph-osd package is in use:
+ # - Are there OSD entries in /var/lib/ceph/osd?
+ # - Are any ceph-osd processes running?
+ # - Are there any ceph data disks (as identified by 'ceph-disk')
+ if [ -n "$(ls -A /var/lib/ceph/osd 2>/dev/null)" ]; then
+ echo "ceph-osd package is required (there are OSD entries in /var/lib/ceph/osd)"
+ return
+ fi
+
+ if [ "$(pgrep -xc ceph-osd)" != "0" ]; then
+ echo "ceph-osd package is required (there are ceph-osd processes running)"
+ return
+ fi
+
+ if ceph-disk list |& grep -q "ceph data"; then
+ echo "ceph-osd package is required (ceph data disks detected)"
+ return
+ fi
+
+ # Get a list of all ceph packages available from the currently enabled
+ # repos. Use "--showduplicates" to ensure the list includes installed
+ # packages that happen to be up to date.
+ local ceph_pkgs="$(yum list available --showduplicates 'ceph-*' |& awk '/^ceph/ {print $1}' | sort -u)"
+
+ # No need to proceed if no ceph packages are available from the currently
+ # enabled repos.
+ if [ -z "$ceph_pkgs" ]; then
+ echo "ceph packages are not available from any enabled repo"
+ return
+ fi
+
+ # No need to proceed if the ceph-osd package *is* available
+ if [[ $ceph_pkgs =~ ceph-osd ]]; then
+ echo "ceph-osd package is available from an enabled repo"
+ return
+ fi
+
+ echo "ceph-osd package is not required, but is preventing updates to other ceph packages"
+ echo "Removing ceph-osd package to allow updates to other ceph packages"
+ yum -y remove ceph-osd
+}