add remove OSD pipeline
Change-Id: I0e97600aab32b89aa34f09c0f5e44f0fe52807b3
diff --git a/ceph-remove-osd.groovy b/ceph-remove-osd.groovy
new file mode 100644
index 0000000..b171855
--- /dev/null
+++ b/ceph-remove-osd.groovy
@@ -0,0 +1,107 @@
+/**
+ *
+ * Remove OSD from existing cluster
+ *
+ * Requred parameters:
+ * SALT_MASTER_URL URL of Salt master
+ * SALT_MASTER_CREDENTIALS Credentials to the Salt API
+ *
+ * HOST Host (minion id) to be removed
+ * ADMIN_HOST Host (minion id) with admin keyring
+ * CLUSTER_FLAGS Comma separated list of tags to apply to cluster
+ * WAIT_FOR_HEALTHY Wait for cluster rebalance before stoping daemons
+ *
+ */
+
+common = new com.mirantis.mk.Common()
+salt = new com.mirantis.mk.Salt()
+
+// configure global variables
+def saltMaster
+def flags = CLUSTER_FLAGS.tokenize(',')
+
+def runCephCommand(master, cmd) {
+ return salt.cmdRun(master, ADMIN_HOST, cmd)
+}
+
+node("python") {
+
+ // create connection to salt master
+ saltMaster = salt.connection(SALT_MASTER_URL, SALT_MASTER_CREDENTIALS)
+
+ if (flags.size() > 0) {
+ stage('Set cluster flags') {
+ for (flag in flags) {
+ runCephCommand(saltMaster, 'ceph osd set ' + flag)
+ }
+ }
+ }
+
+ // get list of disk at the osd
+ def pillar_disks = salt.getPillar(saltMaster, HOST, 'ceph:osd:disk')['return'][0].values()[0]
+ def hostname = salt.getPillar(saltMaster, HOST, 'linux:system:name')['return'][0].values()[0]
+ def hostname_id = hostname.replaceAll('osd', '')
+ def osd_ids = []
+
+ for (i in pillar_disks.keySet()) {
+ osd_ids.add('osd.' + (hostname_id + i).toInteger())
+ }
+
+ // `ceph osd out <id> <id>`
+ stage('Set OSDs out') {
+ runCephCommand(saltMaster, 'ceph osd out ' + osd_ids.join(' '))
+ }
+
+ // wait for healthy cluster
+ if (common.validInputParam('WAIT_FOR_HEALTHY') && WAIT_FOR_HEALTHY.toBoolean()) {
+ stage('Waiting for healthy cluster') {
+ while (true) {
+ def health = runCephCommand(saltMaster, 'ceph health')['return'][0].values()[0]
+ if (health.contains('HEALTH OK')) {
+ common.infoMsg('Cluster is healthy')
+ break;
+ }
+ sleep(60)
+ }
+ }
+ }
+
+ // stop osd daemons
+ stage('Stop OSD daemons') {
+ for (i in osd_ids) {
+ salt.runSaltProcessStep(saltMaster, HOST, 'service.stop', ['ceph-osd@' + i.replaceAll('osd.', '')], null, true)
+ }
+ }
+
+ // `ceph osd crush remove osd.2`
+ stage('Remove OSDs from CRUSH') {
+ for (i in osd_ids) {
+ runCephCommand(saltMaster, 'ceph osd crush remove ' + i)
+ }
+ }
+
+ // remove keyring `ceph auth del osd.3`
+ stage('Remove OSD keyrings from auth') {
+ for (i in osd_ids) {
+ runCephCommand(saltMaster, 'ceph auth del ' + i)
+ }
+ }
+
+ // remove osd `ceph osd rm osd.3`
+ stage('Remove OSDs') {
+ for (i in osd_ids) {
+ runCephCommand(saltMaster, 'ceph osd rm ' + i)
+ }
+ }
+
+ // remove cluster flags
+ if (flags.size() > 0) {
+ stage('Unset cluster flags') {
+ for (flag in flags) {
+ common.infoMsg('Removing flag ' + flag)
+ runCephCommand(saltMaster, 'ceph osd unset ' + flag)
+ }
+ }
+ }
+
+}