root / kamaki / cli / config.py @ 89ecfa57
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1 | 7493ccb6 | Stavros Sachtouris | # Copyright 2011-2012 GRNET S.A. All rights reserved.
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2 | 7493ccb6 | Stavros Sachtouris | #
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3 | 7493ccb6 | Stavros Sachtouris | # Redistribution and use in source and binary forms, with or
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4 | 7493ccb6 | Stavros Sachtouris | # without modification, are permitted provided that the following
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5 | 7493ccb6 | Stavros Sachtouris | # conditions are met:
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6 | 7493ccb6 | Stavros Sachtouris | #
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7 | 7493ccb6 | Stavros Sachtouris | # 1. Redistributions of source code must retain the above
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8 | 7493ccb6 | Stavros Sachtouris | # copyright notice, this list of conditions and the following
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9 | 7493ccb6 | Stavros Sachtouris | # disclaimer.
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10 | 7493ccb6 | Stavros Sachtouris | #
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11 | 7493ccb6 | Stavros Sachtouris | # 2. Redistributions in binary form must reproduce the above
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12 | 7493ccb6 | Stavros Sachtouris | # copyright notice, this list of conditions and the following
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13 | 7493ccb6 | Stavros Sachtouris | # disclaimer in the documentation and/or other materials
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14 | 7493ccb6 | Stavros Sachtouris | # provided with the distribution.
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15 | 7493ccb6 | Stavros Sachtouris | #
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16 | 7493ccb6 | Stavros Sachtouris | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 7493ccb6 | Stavros Sachtouris | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 7493ccb6 | Stavros Sachtouris | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 7493ccb6 | Stavros Sachtouris | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 7493ccb6 | Stavros Sachtouris | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 7493ccb6 | Stavros Sachtouris | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 7493ccb6 | Stavros Sachtouris | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 7493ccb6 | Stavros Sachtouris | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 7493ccb6 | Stavros Sachtouris | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 7493ccb6 | Stavros Sachtouris | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 7493ccb6 | Stavros Sachtouris | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 7493ccb6 | Stavros Sachtouris | # POSSIBILITY OF SUCH DAMAGE.
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28 | 7493ccb6 | Stavros Sachtouris | #
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29 | 7493ccb6 | Stavros Sachtouris | # The views and conclusions contained in the software and
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30 | 7493ccb6 | Stavros Sachtouris | # documentation are those of the authors and should not be
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31 | 7493ccb6 | Stavros Sachtouris | # interpreted as representing official policies, either expressed
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32 | 7493ccb6 | Stavros Sachtouris | # or implied, of GRNET S.A.
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33 | 7493ccb6 | Stavros Sachtouris | |
34 | 7493ccb6 | Stavros Sachtouris | import os |
35 | 7493ccb6 | Stavros Sachtouris | |
36 | 7493ccb6 | Stavros Sachtouris | from collections import defaultdict |
37 | 7493ccb6 | Stavros Sachtouris | from ConfigParser import RawConfigParser, NoOptionError, NoSectionError |
38 | 7493ccb6 | Stavros Sachtouris | |
39 | 7493ccb6 | Stavros Sachtouris | try:
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40 | 7493ccb6 | Stavros Sachtouris | from collections import OrderedDict |
41 | 7493ccb6 | Stavros Sachtouris | except ImportError: |
42 | a9fca388 | Stavros Sachtouris | from kamaki.clients.commissioning.utils.ordereddict import OrderedDict |
43 | 7493ccb6 | Stavros Sachtouris | |
44 | 7493ccb6 | Stavros Sachtouris | |
45 | 7493ccb6 | Stavros Sachtouris | # Path to the file that stores the configuration
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46 | 7493ccb6 | Stavros Sachtouris | CONFIG_PATH = os.path.expanduser('~/.kamakirc')
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47 | 9f1d1fcf | Stavros Sachtouris | HISTORY_PATH = os.path.expanduser('~/.kamaki.history')
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48 | 7493ccb6 | Stavros Sachtouris | |
49 | 7493ccb6 | Stavros Sachtouris | # Name of a shell variable to bypass the CONFIG_PATH value
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50 | 7493ccb6 | Stavros Sachtouris | CONFIG_ENV = 'KAMAKI_CONFIG'
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51 | 7493ccb6 | Stavros Sachtouris | |
52 | 7493ccb6 | Stavros Sachtouris | HEADER = """
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53 | 7493ccb6 | Stavros Sachtouris | # Kamaki configuration file
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54 | 7493ccb6 | Stavros Sachtouris | """
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55 | 7493ccb6 | Stavros Sachtouris | |
56 | 7493ccb6 | Stavros Sachtouris | DEFAULTS = { |
57 | 7493ccb6 | Stavros Sachtouris | 'global': {
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58 | 4f6a21f6 | Stavros Sachtouris | 'colors': 'off', |
59 | d6737e18 | Stavros Sachtouris | 'account': '', |
60 | 7493ccb6 | Stavros Sachtouris | 'token': '' |
61 | 7493ccb6 | Stavros Sachtouris | }, |
62 | 7493ccb6 | Stavros Sachtouris | 'config': {
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63 | 7493ccb6 | Stavros Sachtouris | 'cli': 'config_cli', |
64 | 7493ccb6 | Stavros Sachtouris | 'description': 'Configuration commands' |
65 | b46307af | Stavros Sachtouris | }, |
66 | fd5db045 | Stavros Sachtouris | 'history': {
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67 | 554d18b0 | Stavros Sachtouris | 'cli': 'history_cli', |
68 | fd5db045 | Stavros Sachtouris | 'file': HISTORY_PATH
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69 | 554d18b0 | Stavros Sachtouris | }, |
70 | 554d18b0 | Stavros Sachtouris | 'store': {
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71 | 554d18b0 | Stavros Sachtouris | 'cli': 'pithos_cli', |
72 | e8bd81eb | Stavros Sachtouris | 'url': 'https://pithos.okeanos.grnet.gr/v1' |
73 | 554d18b0 | Stavros Sachtouris | }, |
74 | 554d18b0 | Stavros Sachtouris | 'compute': {
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75 | 554d18b0 | Stavros Sachtouris | 'url': 'https://cyclades.okeanos.grnet.gr/api/v1.1' |
76 | 554d18b0 | Stavros Sachtouris | }, |
77 | 554d18b0 | Stavros Sachtouris | 'server': {
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78 | fd5db045 | Stavros Sachtouris | 'cli': 'cyclades_cli' |
79 | 554d18b0 | Stavros Sachtouris | }, |
80 | 554d18b0 | Stavros Sachtouris | 'flavor': {
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81 | fd5db045 | Stavros Sachtouris | 'cli': 'cyclades_cli' |
82 | 554d18b0 | Stavros Sachtouris | }, |
83 | e8bd81eb | Stavros Sachtouris | 'network': {
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84 | fd5db045 | Stavros Sachtouris | 'cli': 'cyclades_cli' |
85 | e8bd81eb | Stavros Sachtouris | }, |
86 | 554d18b0 | Stavros Sachtouris | 'image': {
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87 | f7e38cbb | Stavros Sachtouris | 'cli': 'image_cli', |
88 | f7e38cbb | Stavros Sachtouris | 'url': 'https://cyclades.okeanos.grnet.gr/plankton' |
89 | 554d18b0 | Stavros Sachtouris | }, |
90 | 554d18b0 | Stavros Sachtouris | 'astakos': {
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91 | 554d18b0 | Stavros Sachtouris | 'cli': 'astakos_cli', |
92 | b9d07587 | Stavros Sachtouris | 'url': 'https://accounts.okeanos.grnet.gr' |
93 | 7493ccb6 | Stavros Sachtouris | } |
94 | 7493ccb6 | Stavros Sachtouris | } |
95 | 7493ccb6 | Stavros Sachtouris | |
96 | 7493ccb6 | Stavros Sachtouris | |
97 | 7493ccb6 | Stavros Sachtouris | class Config(RawConfigParser): |
98 | 7493ccb6 | Stavros Sachtouris | def __init__(self, path=None): |
99 | 7493ccb6 | Stavros Sachtouris | RawConfigParser.__init__(self, dict_type=OrderedDict)
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100 | 7493ccb6 | Stavros Sachtouris | self.path = path or os.environ.get(CONFIG_ENV, CONFIG_PATH) |
101 | 7493ccb6 | Stavros Sachtouris | self._overrides = defaultdict(dict) |
102 | 7493ccb6 | Stavros Sachtouris | self._load_defaults()
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103 | 7493ccb6 | Stavros Sachtouris | self.read(self.path) |
104 | 7493ccb6 | Stavros Sachtouris | |
105 | 7493ccb6 | Stavros Sachtouris | def _load_defaults(self): |
106 | 7493ccb6 | Stavros Sachtouris | for section, options in DEFAULTS.items(): |
107 | 7493ccb6 | Stavros Sachtouris | for option, val in options.items(): |
108 | 7493ccb6 | Stavros Sachtouris | self.set(section, option, val)
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109 | 7493ccb6 | Stavros Sachtouris | |
110 | 8eb8c540 | Stavros Sachtouris | def reload(self): |
111 | 8eb8c540 | Stavros Sachtouris | self = self.__init__(self.path) |
112 | 8eb8c540 | Stavros Sachtouris | |
113 | 7493ccb6 | Stavros Sachtouris | def apis(self): |
114 | 7493ccb6 | Stavros Sachtouris | return [api for api in self.sections() if api != 'global'] |
115 | 7493ccb6 | Stavros Sachtouris | |
116 | 7493ccb6 | Stavros Sachtouris | def get(self, section, option): |
117 | 7493ccb6 | Stavros Sachtouris | value = self._overrides.get(section, {}).get(option)
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118 | 7493ccb6 | Stavros Sachtouris | if value is not None: |
119 | 7493ccb6 | Stavros Sachtouris | return value
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120 | 7493ccb6 | Stavros Sachtouris | |
121 | 7493ccb6 | Stavros Sachtouris | try:
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122 | 7493ccb6 | Stavros Sachtouris | return RawConfigParser.get(self, section, option) |
123 | 7493ccb6 | Stavros Sachtouris | except (NoSectionError, NoOptionError):
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124 | 7493ccb6 | Stavros Sachtouris | return DEFAULTS.get(section, {}).get(option)
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125 | 7493ccb6 | Stavros Sachtouris | |
126 | 7493ccb6 | Stavros Sachtouris | def set(self, section, option, value): |
127 | 7493ccb6 | Stavros Sachtouris | if section not in RawConfigParser.sections(self): |
128 | 7493ccb6 | Stavros Sachtouris | self.add_section(section)
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129 | 7493ccb6 | Stavros Sachtouris | RawConfigParser.set(self, section, option, value)
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130 | 7493ccb6 | Stavros Sachtouris | |
131 | 3fe56be4 | Stavros Sachtouris | def remove_option(self, section, option, also_remove_default=False): |
132 | 7493ccb6 | Stavros Sachtouris | try:
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133 | 3fe56be4 | Stavros Sachtouris | if also_remove_default:
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134 | 3fe56be4 | Stavros Sachtouris | DEFAULTS[section].pop(option) |
135 | 7493ccb6 | Stavros Sachtouris | RawConfigParser.remove_option(self, section, option)
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136 | 7493ccb6 | Stavros Sachtouris | except NoSectionError:
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137 | 7493ccb6 | Stavros Sachtouris | pass
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138 | 7493ccb6 | Stavros Sachtouris | |
139 | 57ecec97 | Stavros Sachtouris | def items(self, section, include_defaults=True): |
140 | 26cd03ca | Stavros Sachtouris | try:
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141 | 26cd03ca | Stavros Sachtouris | d = dict(DEFAULTS[section]) if include_defaults else {} |
142 | 26cd03ca | Stavros Sachtouris | except KeyError: |
143 | 26cd03ca | Stavros Sachtouris | d = {} |
144 | 7493ccb6 | Stavros Sachtouris | try:
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145 | 7493ccb6 | Stavros Sachtouris | d.update(RawConfigParser.items(self, section))
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146 | 7493ccb6 | Stavros Sachtouris | except NoSectionError:
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147 | 7493ccb6 | Stavros Sachtouris | pass
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148 | 7493ccb6 | Stavros Sachtouris | return d.items()
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149 | 7493ccb6 | Stavros Sachtouris | |
150 | 7493ccb6 | Stavros Sachtouris | def override(self, section, option, value): |
151 | 7493ccb6 | Stavros Sachtouris | self._overrides[section][option] = value
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152 | 7493ccb6 | Stavros Sachtouris | |
153 | 7493ccb6 | Stavros Sachtouris | def write(self): |
154 | 7493ccb6 | Stavros Sachtouris | with open(self.path, 'w') as f: |
155 | 7493ccb6 | Stavros Sachtouris | os.chmod(self.path, 0600) |
156 | 7493ccb6 | Stavros Sachtouris | f.write(HEADER.lstrip()) |
157 | 8eb8c540 | Stavros Sachtouris | f.flush() |
158 | 7493ccb6 | Stavros Sachtouris | RawConfigParser.write(self, f) |