Beispiel #1
0
    def decommission_nodes(self, cluster, instances):
        tts = vu.get_tasktrackers(cluster)
        dns = vu.get_datanodes(cluster)
        decommission_dns = False
        decommission_tts = False

        for i in instances:
            if 'datanode' in i.node_group.node_processes:
                dns.remove(i)
                decommission_dns = True
            if 'tasktracker' in i.node_group.node_processes:
                tts.remove(i)
                decommission_tts = True

        nn = vu.get_namenode(cluster)
        jt = vu.get_jobtracker(cluster)

        if decommission_tts:
            sc.decommission_tt(jt, instances, tts)
        if decommission_dns:
            sc.decommission_dn(nn, instances, dns)
Beispiel #2
0
    def decommission_nodes(self, cluster, instances):
        tts = vu.get_tasktrackers(cluster)
        dns = vu.get_datanodes(cluster)
        decommission_dns = False
        decommission_tts = False

        for i in instances:
            if "datanode" in i.node_group.node_processes:
                dns.remove(i)
                decommission_dns = True
            if "tasktracker" in i.node_group.node_processes:
                tts.remove(i)
                decommission_tts = True

        nn = vu.get_namenode(cluster)
        jt = vu.get_jobtracker(cluster)

        if decommission_tts:
            sc.decommission_tt(jt, instances, tts)
        if decommission_dns:
            sc.decommission_dn(nn, instances, dns)