X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=commands%2Fnodegroups.py;fp=commands%2Fnodegroups.py;h=ecb9c08125bdde6c0422793a093e493952c51816;hb=e637272100e8e03884188cb2118b21158e739bb0;hp=0000000000000000000000000000000000000000;hpb=328ee7b92f4e23570d8a33ad9244413ae3aee6bf;p=monitor.git diff --git a/commands/nodegroups.py b/commands/nodegroups.py new file mode 100755 index 0000000..ecb9c08 --- /dev/null +++ b/commands/nodegroups.py @@ -0,0 +1,134 @@ +#!/usr/bin/python + +# This script is used to manipulate the operational state of nodes in +# different node groups. These are basically set operations on nodes via the +# PLC api. +# +# Take the ng name as an argument.... +# optionally, +# * restart them all. +# * Set some or all in the set to rins. +# * get a list of nodes in the Alpha nodegroup. +# +# Given a nodelist, it could tag each one with a nodegroup name. +# * + +from monitor import database +from monitor.database.info.model import FindbadNodeRecord +from monitor import util +from monitor.wrapper import plc +from monitor import parser as parsermodule + +api = plc.getAuthAPI() + +from monitor.common import * +from sets import Set + +def main(): + + parser = parsermodule.getParser(['nodesets']) + parser.set_defaults( list=True, + add=False, + nocolor=False, + notng=False, + delete=False,) + + parser.add_option("", "--not", dest="notng", action="store_true", + help="All nodes NOT in nodegroup.") + parser.add_option("", "--nocolor", dest="nocolor", action="store_true", + help="Enable color") + parser.add_option("", "--list", dest="list", action="store_true", + help="List all nodes in the given nodegroup") + parser.add_option("", "--add", dest="add", action="store_true", + help="Add nodes to the given nodegroup") + parser.add_option("", "--delete", dest="delete", action="store_true", + help="Delete nodes from the given nodegroup") + + parser = parsermodule.getParser(['defaults'], parser) + config = parsermodule.parse_args(parser) + + # COLLECT nodegroups, nodes and node lists + if config.node or config.nodelist: + if config.node: + hostlist = [ config.node ] + else: + hostlist = util.file.getListFromFile(config.nodelist) + + # NOTE: preserve order given in file. Otherwise, return values are not in order + # given to GetNodes + nodelist = [] + for h in hostlist: + nodelist.append( plccache.GetNodeByName(h) ) + + group_str = "Given" + + elif config.site: + site = plccache.GetSitesByName([config.site]) + if len (site) > 0: + site = site[0] + nodelist = plccache.GetNodesByIds(site['node_ids']) + else: + nodelist = [] + + group_str = config.site + + elif config.nodeselect: + hostlist = query.node_select(config.nodeselect) + nodelist = [ plccache.GetNodeByName(h) for h in hostlist ] + + group_str = "selection" + + else: + ng = api.GetNodeGroups({'name' : config.nodegroup}) + nodelist = plccache.GetNodesByIds(ng[0]['node_ids']) + + group_str = config.nodegroup + + if config.notng: + # Get nodegroup nodes + ng_nodes = nodelist + + # Get all nodes + all_nodes = plccache.l_nodes + + # remove ngnodes from all node list + ng_list = [ x['hostname'] for x in ng_nodes ] + all_list = [ x['hostname'] for x in all_nodes ] + not_ng_nodes = Set(all_list) - Set(ng_list) + + # keep each node that *is* in the not_ng_nodes set + nodelist = filter(lambda x : x['hostname'] in not_ng_nodes, all_nodes) + + hostnames = [ n['hostname'] for n in nodelist ] + + # commands: + + if config.add and config.nodegroup: + for node in hostnames: + print "Adding %s to %s nodegroup" % (node, config.nodegroup) + api.AddNodeToNodeGroup(node, config.nodegroup) + + elif config.delete: + for node in hostnames: + print "Deleting %s from %s nodegroup" % (node, config.nodegroup) + api.DeleteNodeFromNodeGroup(node, config.nodegroup) + + elif config.list: + print " ---- Nodes in the %s Node Group ----" % group_str + print " Hostname plc obs pcu key kernel last_contact, last change, comon uptime" + i = 1 + for node in nodelist: + print "%-2d" % i, + fbrec = FindbadNodeRecord.get_latest_by(hostname=node['hostname']) + fbdata = fbrec.to_dict() + print nodegroup_display(node, fbdata, config) + i += 1 + + else: + print "no other options supported." + +if __name__ == "__main__": + try: + main() + except IOError: + pass