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#!/usr/bin/python |
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# |
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# Copyright (C) 2006, 2007 Google Inc. |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, but |
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# WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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# General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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# 02110-1301, USA. |
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|
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|
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import sys |
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from optparse import make_option |
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|
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from ganeti.cli import * |
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from ganeti import opcodes |
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from ganeti import logger |
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from ganeti import utils |
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|
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|
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def AddNode(opts, args): |
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"""Add node cli-to-processor bridge.""" |
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op = opcodes.OpAddNode(node_name=args[0], secondary_ip=opts.secondary_ip) |
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SubmitOpCode(op) |
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|
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|
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def ListNodes(opts, args): |
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"""List nodes and their properties. |
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|
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""" |
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if opts.output is None: |
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selected_fields = ["name", "dtotal", "dfree", |
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"mtotal", "mnode", "mfree", |
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"pinst_cnt", "sinst_cnt"] |
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else: |
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selected_fields = opts.output.split(",") |
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|
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op = opcodes.OpQueryNodes(output_fields=selected_fields, nodes=[]) |
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output = SubmitOpCode(op) |
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|
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if not opts.no_headers: |
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headers = {"name": "Node", "pinst_cnt": "Pinst", "sinst_cnt": "Sinst", |
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"pinst_list": "PriInstances", "sinst_list": "SecInstances", |
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"pip": "PrimaryIP", "sip": "SecondaryIP", |
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"dtotal": "DTotal", "dfree": "DFree", |
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"mtotal": "MTotal", "mnode": "MNode", "mfree": "MFree"} |
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else: |
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headers = None |
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|
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if opts.human_readable: |
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unitfields = ["dtotal", "dfree", "mtotal", "mnode", "mfree"] |
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else: |
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unitfields = None |
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|
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numfields = ["dtotal", "dfree", |
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"mtotal", "mnode", "mfree", |
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"pinst_cnt", "sinst_cnt"] |
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|
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# change raw values to nicer strings |
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for row in output: |
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for idx, field in enumerate(selected_fields): |
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val = row[idx] |
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if field == "pinst_list": |
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val = ",".join(val) |
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elif field == "sinst_list": |
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val = ",".join(val) |
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elif val is None: |
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val = "?" |
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row[idx] = str(val) |
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|
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data = GenerateTable(separator=opts.separator, headers=headers, |
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fields=selected_fields, unitfields=unitfields, |
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numfields=numfields, data=output) |
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for line in data: |
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logger.ToStdout(line) |
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|
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return 0 |
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|
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|
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def ShowNodeConfig(opts, args): |
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"""Show node information. |
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|
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""" |
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op = opcodes.OpQueryNodes(output_fields=["name", "pip", "sip", |
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"pinst_list", "sinst_list"], |
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nodes=args) |
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result = SubmitOpCode(op) |
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|
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for name, primary_ip, secondary_ip, pinst, sinst in result: |
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logger.ToStdout("Node name: %s" % name) |
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logger.ToStdout(" primary ip: %s" % primary_ip) |
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logger.ToStdout(" secondary ip: %s" % secondary_ip) |
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if pinst: |
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logger.ToStdout(" primary for instances:") |
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for iname in pinst: |
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logger.ToStdout(" - %s" % iname) |
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else: |
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logger.ToStdout(" primary for no instances") |
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if sinst: |
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logger.ToStdout(" secondary for instances:") |
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for iname in sinst: |
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logger.ToStdout(" - %s" % iname) |
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else: |
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logger.ToStdout(" secondary for no instances") |
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|
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return 0 |
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|
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|
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def RemoveNode(opts, args): |
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"""Remove node cli-to-processor bridge.""" |
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op = opcodes.OpRemoveNode(node_name=args[0]) |
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SubmitOpCode(op) |
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|
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|
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def ListVolumes(opts, args): |
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"""List logical volumes on node(s). |
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|
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""" |
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if opts.output is None: |
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selected_fields = ["node", "phys", "vg", |
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"name", "size", "instance"] |
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else: |
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selected_fields = opts.output.split(",") |
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|
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op = opcodes.OpQueryNodeVolumes(nodes=args, output_fields=selected_fields) |
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output = SubmitOpCode(op) |
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|
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if not opts.no_headers: |
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headers = {"node": "Node", "phys": "PhysDev", |
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"vg": "VG", "name": "Name", |
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"size": "Size", "instance": "Instance"} |
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else: |
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headers = None |
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|
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if opts.human_readable: |
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unitfields = ["size"] |
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else: |
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unitfields = None |
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|
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numfields = ["size"] |
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|
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data = GenerateTable(separator=opts.separator, headers=headers, |
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fields=selected_fields, unitfields=unitfields, |
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numfields=numfields, data=output) |
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|
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for line in data: |
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logger.ToStdout(line) |
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|
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return 0 |
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|
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|
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commands = { |
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'add': (AddNode, ARGS_ONE, |
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[DEBUG_OPT, |
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make_option("-s", "--secondary-ip", dest="secondary_ip", |
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help="Specify the secondary ip for the node", |
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metavar="ADDRESS", default=None),], |
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"<node_name>", "Add a node to the cluster"), |
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'info': (ShowNodeConfig, ARGS_ANY, [DEBUG_OPT], |
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"[<node_name>...]", "Show information about the node(s)"), |
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'list': (ListNodes, ARGS_NONE, |
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[DEBUG_OPT, NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT], |
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"", "Lists the nodes in the cluster"), |
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'remove': (RemoveNode, ARGS_ONE, [DEBUG_OPT], |
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"<node_name>", "Removes a node from the cluster"), |
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'volumes': (ListVolumes, ARGS_ANY, |
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[DEBUG_OPT, NOHDR_OPT, SEP_OPT, USEUNITS_OPT, FIELDS_OPT], |
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"[<node_name>...]", "List logical volumes on node(s)"), |
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} |
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|
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|
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if __name__ == '__main__': |
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sys.exit(GenericMain(commands)) |