projects / collecty.git / blame
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|---|---|---|
| 73db5226 MT |
1 | #!/usr/bin/python |
| 2 | ############################################################################### | |
| 3 | # # | |
| 4 | # collecty - A system statistics collection daemon for IPFire # | |
| 5 | # Copyright (C) 2012 IPFire development team # | |
| 6 | # # | |
| 7 | # This program is free software: you can redistribute it and/or modify # | |
| 8 | # it under the terms of the GNU General Public License as published by # | |
| 9 | # the Free Software Foundation, either version 3 of the License, or # | |
| 10 | # (at your option) any later version. # | |
| 11 | # # | |
| 12 | # This program is distributed in the hope that it will be useful, # | |
| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
| 15 | # GNU General Public License for more details. # | |
| 16 | # # | |
| 17 | # You should have received a copy of the GNU General Public License # | |
| 18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
| 19 | # # | |
| 20 | ############################################################################### | |
| 21 | ||
| c968f6d9 MT |
22 | import argparse |
| 23 | import dbus | |
| 24 | import sys | |
| 25 | ||
| 26 | from constants import * | |
| 27 | from i18n import _ | |
| 73db5226 MT |
28 | |
| 29 | import logging | |
| 30 | log = logging.getLogger("collectly.client") | |
| 31 | ||
| 32 | class CollectyClient(object): | |
| c968f6d9 MT |
33 | def __init__(self): |
| 34 | self.bus = dbus.SystemBus() | |
| 35 | ||
| 36 | self.proxy = self.bus.get_object(BUS_DOMAIN, "/GraphGenerator") | |
| 37 | ||
| 38 | def list_templates(self): | |
| 39 | templates = self.proxy.ListTemplates() | |
| 40 | ||
| 41 | return ["%s" % t for t in templates] | |
| 42 | ||
| 43 | def list_templates_cli(self, ns): | |
| 44 | templates = self.list_templates() | |
| 45 | ||
| 46 | for t in sorted(templates): | |
| 47 | print t | |
| 48 | ||
| 49 | def generate_graph(self, template_name, **kwargs): | |
| 50 | byte_array = self.proxy.GenerateGraph(template_name, kwargs, | |
| 51 | signature="sa{sv}") | |
| 52 | ||
| 53 | # Convert the byte array into a byte string again | |
| 54 | if byte_array: | |
| 55 | return "".join((chr(b) for b in byte_array)) | |
| 56 | ||
| 57 | def generate_graph_cli(self, ns): | |
| 58 | kwargs = { | |
| 5913a52c | 59 | "format" : ns.format, |
| c968f6d9 MT |
60 | "object_id" : ns.object, |
| 61 | } | |
| 62 | ||
| 63 | if ns.height or ns.width: | |
| 64 | kwargs.update({ | |
| 65 | "height" : ns.height or 0, | |
| 66 | "width" : ns.width or 0, | |
| 67 | }) | |
| 68 | ||
| 69 | if ns.interval: | |
| 70 | kwargs["interval"] = ns.interval | |
| 71 | ||
| 72 | # Generate the graph image | |
| 73 | graph = self.generate_graph(ns.template, **kwargs) | |
| 74 | ||
| 75 | # Write file to disk | |
| 76 | with open(ns.filename, "wb") as f: | |
| 77 | f.write(graph) | |
| 78 | ||
| 79 | def parse_cli(self, args): | |
| 80 | parser = argparse.ArgumentParser(prog="collecty-client") | |
| 81 | subparsers = parser.add_subparsers(help="sub-command help") | |
| 82 | ||
| 83 | # generate-graph | |
| 84 | parser_generate_graph = subparsers.add_parser("generate-graph", | |
| 85 | help=_("Generate a graph image")) | |
| 86 | parser_generate_graph.set_defaults(func=self.generate_graph_cli) | |
| 87 | parser_generate_graph.add_argument("--filename", | |
| 88 | help=_("filename"), required=True) | |
| 5913a52c MT |
89 | parser_generate_graph.add_argument("--format", |
| 90 | help=_("image format"), default=DEFAULT_IMAGE_FORMAT) | |
| c968f6d9 MT |
91 | parser_generate_graph.add_argument("--interval", help=_("interval")) |
| 92 | parser_generate_graph.add_argument("--object", | |
| 93 | help=_("Object identifier"), default="default") | |
| 94 | parser_generate_graph.add_argument("--template", | |
| 95 | help=_("The graph template identifier"), required=True) | |
| 73db5226 | 96 | |
| c968f6d9 MT |
97 | # Dimensions |
| 98 | parser_generate_graph.add_argument("--height", type=int, default=0, | |
| 99 | help=_("Height of the generated image")) | |
| 100 | parser_generate_graph.add_argument("--width", type=int, default=0, | |
| 101 | help=_("Width of the generated image")) | |
| 73db5226 | 102 | |
| c968f6d9 MT |
103 | # list-templates |
| 104 | parser_list_templates = subparsers.add_parser("list-templates", | |
| 105 | help=_("Lists all graph templates")) | |
| 106 | parser_list_templates.set_defaults(func=self.list_templates_cli) | |
| 73db5226 | 107 | |
| c968f6d9 | 108 | return parser.parse_args(args) |
| 73db5226 | 109 | |
| c968f6d9 MT |
110 | def run_cli(self, args=None): |
| 111 | args = self.parse_cli(args or sys.argv[1:]) | |
| 73db5226 | 112 | |
| c968f6d9 | 113 | return args.func(args) |