root / snf-cyclades-app / synnefo / logic / management / commands / stats-cyclades.py @ a6e6fe48
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# Copyright 2013-2014 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# 1. Redistributions of source code must retain the above
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# copyright notice, this list of conditions and the following
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# disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials
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# provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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import json |
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import string |
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from optparse import make_option |
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from snf_django.management.utils import pprint_table, parse_bool |
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from snf_django.management.commands import SynnefoCommand, CommandError |
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from synnefo.management.common import get_resource |
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from synnefo.admin import stats as statistics |
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class Command(SynnefoCommand): |
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help = "Get available statistics of Cyclades service"
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can_import_settings = True
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command_option_list = ( |
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make_option("--backend",
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dest="backend",
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help="Include statistics only for this backend."),
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make_option("--clusters",
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dest="clusters",
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default="True",
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metavar="True|False",
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choices=["True", "False"], |
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help="Include statistics about clusters."),
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make_option("--servers",
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dest="servers",
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default="True",
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metavar="True|False",
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choices=["True", "False"], |
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help="Include statistics about servers."),
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make_option("--resources",
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dest="resources",
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default="True",
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metavar="True|False",
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choices=["True", "False"], |
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help="Include statistics about resources "
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" (CPU, RAM, DISK)."),
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make_option("--networks",
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dest="networks",
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default="True",
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metavar="True|False",
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choices=["True", "False"], |
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help="Include statistics about networks."),
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make_option("--images",
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dest="images",
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default="False",
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metavar="True|False",
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choices=["True", "False"], |
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help="Include statistics about images."),
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) |
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def handle(self, *args, **options): |
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if options["backend"] is not None: |
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backend = get_resource("backend", options["backend"]) |
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else:
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backend = None
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clusters = parse_bool(options["clusters"])
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servers = parse_bool(options["servers"])
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resources = parse_bool(options["resources"])
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networks = parse_bool(options["networks"])
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images = parse_bool(options["images"])
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stats = statistics.get_cyclades_stats(backend, clusters, servers, |
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resources, networks, images) |
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output_format = options["output_format"]
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if output_format == "json": |
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self.stdout.write(json.dumps(stats, indent=4) + "\n") |
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elif output_format == "pretty": |
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pretty_print_stats(stats, self.stdout)
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else:
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raise CommandError("Output format '%s' not supported." % |
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output_format) |
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def columns_from_fields(fields, values): |
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return zip(map(string.lower, fields), [values.get(f, 0) for f in fields]) |
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def pretty_print_stats(stats, stdout): |
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newline = lambda: stdout.write("\n") |
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_datetime = stats.get("datetime")
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stdout.write("datetime: %s\n" % _datetime)
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newline() |
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clusters = stats.get("clusters")
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if clusters is not None: |
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fields = ["total", "drained", "offline"] |
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table = columns_from_fields(fields, clusters) |
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pprint_table(stdout, table, None,
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title="Statistics for Ganeti Clusters")
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newline() |
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servers = stats.get("servers")
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if servers is not None: |
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fields = ["total", "STARTED", "STOPPED", "BUILD", "ERROR", "DESTROYED"] |
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table = columns_from_fields(fields, servers) |
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pprint_table(stdout, table, None,
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title="Statistics for Virtual Servers")
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newline() |
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networks = stats.get("networks")
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if networks is not None: |
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public_ips = networks.pop("public_ips")
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networks["total_public_ips"] = public_ips.get("total", 0) |
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networks["free_public_ips"] = public_ips.get("free", 0) |
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fields = ["total", "ACTIVE", "DELETED", "ERROR", "total_public_ips", |
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"free_public_ips"]
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table = columns_from_fields(fields, networks) |
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pprint_table(stdout, table, None,
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title="Statistics for Virtual Networks")
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newline() |
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resources = stats.get("resources")
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if resources is not None: |
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for resource_name, resource in sorted(resources.items()): |
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fields = ["total", "allocated"] |
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for res, num in sorted(resource.pop("servers", {}).items()): |
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name = "servers_with_%s" % res
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resource[name] = num |
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fields.append(name) |
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table = columns_from_fields(fields, resource) |
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pprint_table(stdout, table, None,
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title="Statistics for %s" % resource_name)
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newline() |
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images = stats.get("images")
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if images is not None: |
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pprint_table(stdout, sorted(images.items()), None, |
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title="Statistics for Images")
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newline() |