diff --git a/src/com/mirantis/mk/Galera.groovy b/src/com/mirantis/mk/Galera.groovy
new file mode 100644
index 0000000..29402e7
--- /dev/null
+++ b/src/com/mirantis/mk/Galera.groovy
@@ -0,0 +1,328 @@
+package com.mirantis.mk
+
+/**
+ *
+ * Galera functions
+ *
+ */
+
+
+/**
+ * Returns parameters from mysql.status output on given target node
+ *
+ * @param env           Salt Connection object or pepperEnv
+ * @param target        Targeted node
+ * @param parameters    Parameters to be retruned (String or list of Strings). If no parameters are provided or is set to '[]', it returns all of them.
+ * @return result       List of parameters with its values
+ */
+
+def getWsrepParameters(env, target, parameters=[], print=false) {
+    result = []
+    out = salt.runSaltProcessStep(env, "${target}", "mysql.status", [], null, false)
+    outlist = out['return'][0]
+    resultYaml = outlist.get(outlist.keySet()[0]).sort()
+    if (print) {
+        common.prettyPrint(resultYaml)
+    }
+    if (parameters instanceof String) {
+        value = resultYaml[key]
+        if (value instanceof String && value.isBigDecimal()) {
+            value = value.toBigDecimal()
+        }
+        result = [key: value]
+    } else {
+            if (parameters == []) {
+                result = resultYaml
+            } else {
+                for (key in parameters) {
+                value = resultYaml[key]
+                if (value instanceof String && value.isBigDecimal()) {
+                    value = value.toBigDecimal()
+                }
+                result << [key: value]
+                }
+            }
+    }
+    return result
+}
+
+/**
+ * Verifies Galera database
+ *
+ * This function checks for Galera master, tests connection and if reachable, it obtains the result
+ *      of Salt mysql.status function. The result is then parsed, validated and outputed to the user.
+ *
+ * @param env           Salt Connection object or pepperEnv
+ * @param slave         Boolean value to enable slave checking (if master in unreachable)
+ * @param checkTimeSync Boolean value to enable time sync check
+ * @return resultCode   int values used to determine exit status in the calling function
+ */
+def verifyGaleraStatus(env, slave=false, checkTimeSync=false) {
+    def salt = new com.mirantis.mk.Salt()
+    def common = new com.mirantis.mk.Common()
+    def out = ""
+    def status = "unknown"
+    def testNode = ""
+    if (!slave) {
+        try {
+            galeraMaster = salt.getMinions(env, "I@galera:master")
+            common.infoMsg("Current Galera master is: ${galeraMaster}")
+            salt.minionsReachable(env, "I@salt:master", "I@galera:master")
+            testNode = "I@galera:master"
+        } catch (Exception e) {
+            common.errorMsg('Galera master is not reachable.')
+            return 128
+        }
+    } else {
+        try {
+            galeraSlaves = salt.getMinions(env, "I@galera:slave")
+            common.infoMsg("Testing Galera slave minions: ${galeraSlaves}")
+        } catch (Exception e) {
+            common.errorMsg("Cannot obtain Galera slave minions list.")
+            return 129
+        }
+        for (slave in galeraSlaves) {
+            try {
+                salt.minionsReachable(env, "I@salt:master", slave)
+                testNode = slave
+                break
+            } catch (Exception e) {
+                common.warningMsg("Slave '${slave}' is not reachable.")
+            }
+        }
+    }
+    if (!testNode) {
+        common.errorMsg("No Galera slave was reachable.")
+        return 130
+    }
+    if (checkTimeSync && !salt.checkClusterTimeSync(env, "I@galera:master or I@galera:slave")) {
+        common.errorMsg("Time in cluster is desynchronized or it couldn't be detemined. You should fix this issue manually before proceeding.")
+        return 131
+    }
+    try {
+        out = salt.runSaltProcessStep(env, "${testNode}", "mysql.status", [], null, false)
+    } catch (Exception e) {
+        common.errorMsg('Could not determine mysql status.')
+        return 256
+    }
+    if (out) {
+        try {
+            status = validateAndPrintGaleraStatusReport(env, out, testNode)
+        } catch (Exception e) {
+            common.errorMsg('Could not parse the mysql status output. Check it manually.')
+            return 1
+        }
+    } else {
+        common.errorMsg("Mysql status response unrecognized or is empty. Response: ${out}")
+        return 1024
+    }
+    if (status == "OK") {
+        common.infoMsg("No errors found - MySQL status is ${status}.")
+        return 0
+    } else if (status == "unknown") {
+        common.warningMsg('MySQL status cannot be detemined')
+        return 1
+    } else {
+        common.errorMsg("Errors found.")
+        return 2
+    }
+}
+
+/** Validates and prints result of verifyGaleraStatus function
+@param env      Salt Connection object or pepperEnv
+@param out      Output of the mysql.status Salt function
+@return status  "OK", "ERROR" or "uknown" depending on result of validation
+*/
+
+def validateAndPrintGaleraStatusReport(env, out, minion) {
+    def salt = new com.mirantis.mk.Salt()
+    def common = new com.mirantis.mk.Common()
+    if (minion == "I@galera:master") {
+        role = "master"
+    } else {
+        role = "slave"
+    }
+    sizeOut = salt.getReturnValues(salt.getPillar(env, minion, "galera:${role}:members"))
+    expected_cluster_size = sizeOut.size()
+    outlist = out['return'][0]
+    resultYaml = outlist.get(outlist.keySet()[0]).sort()
+    common.prettyPrint(resultYaml)
+    parameters = [
+        wsrep_cluster_status: [title: 'Cluster status', expectedValues: ['Primary'], description: ''],
+        wsrep_cluster_size: [title: 'Current cluster size', expectedValues: [expected_cluster_size], description: ''],
+        wsrep_ready: [title: 'Node status', expectedValues: ['ON', true], description: ''],
+        wsrep_local_state_comment: [title: 'Node status comment', expectedValues: ['Joining', 'Waiting on SST', 'Joined', 'Synced', 'Donor'], description: ''],
+        wsrep_connected: [title: 'Node connectivity', expectedValues: ['ON', true], description: ''],
+        wsrep_local_recv_queue_avg: [title: 'Average size of local reveived queue', expectedThreshold: [warn: 0.5, error: 1.0], description: '(Value above 0 means that the node cannot apply write-sets as fast as it receives them, which can lead to replication throttling)'],
+        wsrep_local_send_queue_avg: [title: 'Average size of local send queue', expectedThreshold: [warn: 0.5, error: 1.0], description: '(Value above 0 indicate replication throttling or network throughput issues, such as a bottleneck on the network link.)']
+        ]
+    for (key in parameters.keySet()) {
+        value = resultYaml[key]
+        if (value instanceof String && value.isBigDecimal()) {
+            value = value.toBigDecimal()
+        }
+        parameters.get(key) << [actualValue: value]
+    }
+    for (key in parameters.keySet()) {
+        param = parameters.get(key)
+        if (key == 'wsrep_local_recv_queue_avg' || key == 'wsrep_local_send_queue_avg') {
+            if (param.get('actualValue') > param.get('expectedThreshold').get('error')) {
+                param << [match: 'error']
+            } else if (param.get('actualValue') > param.get('expectedThreshold').get('warn')) {
+                param << [match: 'warn']
+            } else {
+                param << [match: 'ok']
+            }
+        } else {
+            for (expValue in param.get('expectedValues')) {
+                if (expValue == param.get('actualValue')) {
+                    param << [match: 'ok']
+                    break
+                } else {
+                    param << [match: 'error']
+                }
+            }
+        }
+    }
+    cluster_info_report = []
+    cluster_warning_report = []
+    cluster_error_report = []
+    for (key in parameters.keySet()) {
+        param = parameters.get(key)
+        if (param.containsKey('expectedThreshold')) {
+            expValues = "below ${param.get('expectedThreshold').get('warn')}"
+        } else {
+            if (param.get('expectedValues').size() > 1) {
+                expValues = param.get('expectedValues').join(' or ')
+            } else {
+                expValues = param.get('expectedValues')[0]
+            }
+        }
+        reportString = "${param.title}: ${param.actualValue} (Expected: ${expValues}) ${param.description}"
+        if (param.get('match').equals('ok')) {
+            cluster_info_report.add("[OK     ] ${reportString}")
+        } else if (param.get('match').equals('warn')) {
+            cluster_warning_report.add("[WARNING] ${reportString}")
+        } else {
+            cluster_error_report.add("[  ERROR] ${reportString})")
+        }
+    }
+    common.infoMsg("CLUSTER STATUS REPORT: ${cluster_info_report.size()} expected values, ${cluster_warning_report.size()} warnings and ${cluster_error_report.size()} error found:")
+    if (cluster_info_report.size() > 0) {
+        common.infoMsg(cluster_info_report.join('\n'))
+    }
+    if (cluster_warning_report.size() > 0) {
+        common.warningMsg(cluster_warning_report.join('\n'))
+    }
+    if (cluster_error_report.size() > 0) {
+        common.errorMsg(cluster_error_report.join('\n'))
+        return "ERROR"
+    } else {
+        return "OK"
+    }
+}
+
+def getGaleraLastShutdownNode(env) {
+    def salt = new com.mirantis.mk.Salt()
+    def common = new com.mirantis.mk.Common()
+    members = ''
+    lastNode = [ip: '', seqno: -2]
+    try {
+        members = salt.getReturnValues(salt.getPillar(env, "I@galera:master", "galera:master:members"))
+    } catch (Exception er) {
+        common.errorMsg('Could not retrieve members list')
+        return 'I@galera:master'
+    }
+    if (members) {
+        for (member in members) {
+            try {
+                salt.minionsReachable(env, 'I@salt:master', "S@${member.host}")
+                out = salt.getReturnValues(salt.cmdRun(env, "S@${member.host}", 'cat /var/lib/mysql/grastate.dat | grep "seqno" | cut -d ":" -f2', true, null, false))
+                seqno = out.tokenize('\n')[0].trim()
+                if (seqno.isNumber()) {
+                    seqno = seqno.toInteger()
+                } else {
+                    seqno = -2
+                }
+                highestSeqno = lastNode.get('seqno')
+                if (seqno > highestSeqno) {
+                    lastNode << [ip: "${member.host}", seqno: seqno]
+                }
+            } catch (Exception er) {
+                common.warningMsg("Could not determine 'seqno' value for node ${member.host} ")
+            }
+        }
+    }
+    if (lastNode.get('ip') != '') {
+        return "S@${lastNode.ip}"
+    } else {
+        return "I@galera:master"
+    }
+}
+
+/**
+ * Restores Galera database
+ * @param env Salt Connection object or pepperEnv
+ * @return output of salt commands
+ */
+def restoreGaleraDb(env) {
+    def salt = new com.mirantis.mk.Salt()
+    def common = new com.mirantis.mk.Common()
+    try {
+        salt.runSaltProcessStep(env, 'I@galera:slave', 'service.stop', ['mysql'])
+    } catch (Exception er) {
+        common.warningMsg('Mysql service already stopped')
+    }
+    try {
+        salt.runSaltProcessStep(env, 'I@galera:master', 'service.stop', ['mysql'])
+    } catch (Exception er) {
+        common.warningMsg('Mysql service already stopped')
+    }
+    lastNodeTarget = getGaleraLastShutdownNode(env)
+    try {
+        salt.cmdRun(env, 'I@galera:slave', "rm /var/lib/mysql/ib_logfile*")
+    } catch (Exception er) {
+        common.warningMsg('Files are not present')
+    }
+    try {
+        salt.cmdRun(env, 'I@galera:slave', "rm  /var/lib/mysql/grastate.dat")
+    } catch (Exception er) {
+        common.warningMsg('Files are not present')
+    }
+    try {
+        salt.cmdRun(env, lastNodeTarget, "mkdir /root/mysql/mysql.bak")
+    } catch (Exception er) {
+        common.warningMsg('Directory already exists')
+    }
+    try {
+        salt.cmdRun(env, lastNodeTarget, "rm -rf /root/mysql/mysql.bak/*")
+    } catch (Exception er) {
+        common.warningMsg('Directory already empty')
+    }
+    try {
+        salt.cmdRun(env, lastNodeTarget, "mv /var/lib/mysql/* /root/mysql/mysql.bak")
+    } catch (Exception er) {
+        common.warningMsg('Files were already moved')
+    }
+    try {
+        salt.runSaltProcessStep(env, lastNodeTarget, 'file.remove', ["/var/lib/mysql/.galera_bootstrap"])
+    } catch (Exception er) {
+        common.warningMsg('File is not present')
+    }
+    salt.cmdRun(env, lastNodeTarget, "sed -i '/gcomm/c\\wsrep_cluster_address=\"gcomm://\"' /etc/mysql/my.cnf")
+    def backup_dir = salt.getReturnValues(salt.getPillar(env, lastNodeTarget, 'xtrabackup:client:backup_dir'))
+    if(backup_dir == null || backup_dir.isEmpty()) { backup_dir='/var/backups/mysql/xtrabackup' }
+    salt.runSaltProcessStep(env, lastNodeTarget, 'file.remove', ["${backup_dir}/dbrestored"])
+    salt.cmdRun(env, 'I@xtrabackup:client', "su root -c 'salt-call state.sls xtrabackup'")
+    salt.runSaltProcessStep(env, lastNodeTarget, 'service.start', ['mysql'])
+
+    // wait until mysql service on galera master is up
+    try {
+        salt.commandStatus(env, lastNodeTarget, 'service mysql status', 'running')
+    } catch (Exception er) {
+        input message: "Database is not running please fix it first and only then click on PROCEED."
+    }
+
+    salt.runSaltProcessStep(env, "I@galera:master and not ${lastNodeTarget}", 'service.start', ['mysql'])
+    salt.runSaltProcessStep(env, "I@galera:slave and not ${lastNodeTarget}", 'service.start', ['mysql'])
+}