Script to verify Ceph version

github/check.ceph.update

@@ -0,0 +1,70 @@
+#!/bin/sh
+# Purpose {{{
+## Create a temp file (to monitor) if an upgrade is available for Ceph
+## project on Github.
+## It's based on .deb package (or repository) installation to check the
+## current version.
+## How-to use {{{
+### 1. Needs releasetags script, in the same directory
+### cf. https://git.ipr.univ-rennes1.fr/cellinfo/scripts/src/master/github/releasetags
+# wget https://git.ipr.univ-rennes1.fr/cellinfo/scripts/raw/master/github/releasetags
+### 2. Create a cron job, eg :
+#00 20 * * * root /opt/repos/ipr.scripts/github/check.ceph.update
+### 3. Monitor the temp file : /tmp/.github.ceph.upgrade
+# Or enable MAILTO in cronjob and edit the script to print a message.
+# Or send a mail.
+# …
+## }}}
+# }}}
+
+# Don't expect any argument {{{
+if [ $# -gt 0 ]
+then
+	cat << HELP
+
+check.ceph.update  --
+Compare current version of an installed Ceph and the last available (filtered according to current major version).
+
+EXAMPLE :
+    - Compare the current version installed from .deb file or repository
+        check.ceph.update
+HELP
+
+	exit 1
+fi
+# }}}
+
+# Vars {{{
+DEBUG=1
+
+script_wd=$(dirname "${0}")
+
+ceph_repo_url="https://github.com/ceph/ceph"
+
+ceph_current_version=$(dpkg -l ceph | awk '/^ii.*ceph/ { print $3}' | sed 's/\(.*\)-.*/\1/')
+ceph_current_major_version=$(printf -- '%s' "${ceph_current_version}" | cut -d"." -f1)
+
+## Filter new versions to get only same major releases
+ceph_new_version=$("${script_wd}"/releasetags "${ceph_repo_url}" | \
+	grep "v${ceph_current_major_version}" | \
+	head -n1 | \
+	sed 's/v//g')
+
+ceph_new_version_file="/tmp/.github.ceph.upgrade"
+# }}}
+
+# Check if the current version is the last one {{{
+if [ "${ceph_current_version}" != "${ceph_new_version}" ]; then
+	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Test version — Current version (${ceph_current_version}) and new one (${ceph_new_version}) seems to be different."
+
+	## Create a temp file to monitor
+	touch -- "${ceph_new_version_file}"
+	printf '\e[1;35m%-6s\e[m\n' "An upgrade is available for Ceph (current : ${ceph_current_version}) : ${ceph_new_version}." >> "${ceph_new_version_file}"
+
+else
+	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Test version — The current version is up-to-date."
+	rm -f -- "${ceph_new_version_file}"
+fi
+# }}}
+
+exit 0