annotate libervia/backend/plugins/plugin_misc_app_manager.py @ 4196:8b673bb307c1

plugin XEP-0045: avoir crash if `subject` is not set when `_get_room_joined_args` is called.
author Goffi <goffi@goffi.org>
date Wed, 13 Dec 2023 22:00:25 +0100
parents c93b02000ae4
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/env python3
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2
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3 # Libervia plugin to manage external applications
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4 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19 from pathlib import Path
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20 from typing import Optional, List, Callable
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21 from functools import partial, reduce
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22 import tempfile
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23 import secrets
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24 import string
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25 import shortuuid
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26 from twisted.internet import defer
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27 from twisted.python.procutils import which
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28 from libervia.backend.core.i18n import _
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29 from libervia.backend.core import exceptions
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30 from libervia.backend.core.constants import Const as C
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31 from libervia.backend.core.log import getLogger
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32 from libervia.backend.tools.common import data_format
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33 from libervia.backend.tools.common import async_process
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34
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35 log = getLogger(__name__)
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36
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37 try:
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38 import yaml
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39 except ImportError:
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40 raise exceptions.MissingModule(
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41 'Missing module PyYAML, please download/install it. You can use '
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42 '"pip install pyyaml"'
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43 )
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44
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45 try:
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46 from yaml import CLoader as Loader, CDumper as Dumper
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47 except ImportError:
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48 log.warning(
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49 "Can't use LibYAML binding (is libyaml installed?), pure Python version will be "
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50 "used, but it is slower"
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51 )
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52 from yaml import Loader, Dumper
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53
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54 from yaml.constructor import ConstructorError
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55
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56
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57 PLUGIN_INFO = {
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58 C.PI_NAME: "Applications Manager",
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59 C.PI_IMPORT_NAME: "APP_MANAGER",
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60 C.PI_TYPE: C.PLUG_TYPE_MISC,
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61 C.PI_MODES: C.PLUG_MODE_BOTH,
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62 C.PI_MAIN: "AppManager",
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63 C.PI_HANDLER: "no",
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64 C.PI_DESCRIPTION: _(
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65 """Applications Manager
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66
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67 Manage external applications using packagers, OS virtualization/containers or other
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68 software management tools.
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69 """),
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70 }
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71
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72 APP_FILE_PREFIX = "libervia_app_"
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73
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74
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75 class AppManager:
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76 load = partial(yaml.load, Loader=Loader)
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77 dump = partial(yaml.dump, Dumper=Dumper)
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78
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79 def __init__(self, host):
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80 log.info(_("plugin Applications Manager initialization"))
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81 self.host = host
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82 self._managers = {}
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83 self._apps = {}
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84 self._started = {}
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85 # instance id to app data map
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86 self._instances = {}
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87 host.bridge.add_method(
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88 "applications_list",
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89 ".plugin",
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90 in_sign="as",
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91 out_sign="as",
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92 method=self.list_applications,
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93 )
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94 host.bridge.add_method(
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95 "application_start",
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96 ".plugin",
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97 in_sign="ss",
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98 out_sign="s",
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99 method=self._start,
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100 async_=True,
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101 )
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102 host.bridge.add_method(
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103 "application_stop",
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104 ".plugin",
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105 in_sign="sss",
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106 out_sign="",
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107 method=self._stop,
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108 async_=True,
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109 )
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110 host.bridge.add_method(
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111 "application_exposed_get",
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112 ".plugin",
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113 in_sign="sss",
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114 out_sign="s",
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115 method=self._get_exposed,
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116 async_=True,
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117 )
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118 # application has been started succeesfully,
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119 # args: name, instance_id, extra
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120 host.bridge.add_signal(
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121 "application_started", ".plugin", signature="sss"
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122 )
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123 # application went wrong with the application
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124 # args: name, instance_id, extra
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125 host.bridge.add_signal(
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126 "application_error", ".plugin", signature="sss"
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127 )
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128 yaml.add_constructor(
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129 "!libervia_conf", self._libervia_conf_constr, Loader=Loader)
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130 yaml.add_constructor(
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131 "!libervia_generate_pwd", self._libervia_generate_pwd_constr, Loader=Loader)
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132 yaml.add_constructor(
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133 "!libervia_param", self._libervia_param_constr, Loader=Loader)
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134
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135 def unload(self):
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136 log.debug("unloading applications manager")
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137 for instances in self._started.values():
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138 for instance in instances:
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139 data = instance['data']
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140 if not data['single_instance']:
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141 log.debug(
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142 f"cleaning temporary directory at {data['_instance_dir_path']}")
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143 data['_instance_dir_obj'].cleanup()
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144
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145 def _libervia_conf_constr(self, loader, node):
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146 """Get a value from Libervia configuration
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147
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148 A list is expected with either "name" of a config parameter, a one or more of
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149 those parameters:
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150 - section
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151 - name
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152 - default value
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153 - filter
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154 filter can be:
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155 - "first": get the first item of the value
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156 """
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157 config_data = loader.construct_sequence(node)
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158 if len(config_data) == 1:
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159 section, name, default, filter_ = "", config_data[0], None, None
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160 if len(config_data) == 2:
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161 (section, name), default, filter_ = config_data, None, None
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162 elif len(config_data) == 3:
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163 (section, name, default), filter_ = config_data, None
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164 elif len(config_data) == 4:
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165 section, name, default, filter_ = config_data
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166 else:
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167 raise ValueError(
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168 f"invalid !libervia_conf value ({config_data!r}), a list of 1 to 4 items is "
3372
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169 "expected"
5d926c7b0d99 plugin app manager: first draft:
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170 )
5d926c7b0d99 plugin app manager: first draft:
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171
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diff changeset
172 value = self.host.memory.config_get(section, name, default)
3564
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173 # FIXME: "public_url" is used only here and doesn't take multi-sites into account
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174 if name == "public_url" and (not value or value.startswith('http')):
3372
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175 if not value:
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176 log.warning(_(
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177 'No value found for "public_url", using "example.org" for '
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178 'now, please set the proper value in libervia.conf'))
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179 else:
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180 log.warning(_(
3564
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parents: 3479
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181 'invalid value for "public_url" ({value}), it musts not start with '
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parents: 3479
diff changeset
182 'schema ("http"), ignoring it and using "example.org" '
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parents: 3479
diff changeset
183 'instead')
3372
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184 .format(value=value))
3564
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diff changeset
185 value = "example.org"
3372
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186
5d926c7b0d99 plugin app manager: first draft:
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187 if filter_ is None:
5d926c7b0d99 plugin app manager: first draft:
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parents:
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188 pass
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
189 elif filter_ == 'first':
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parents:
diff changeset
190 value = value[0]
5d926c7b0d99 plugin app manager: first draft:
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191 else:
5d926c7b0d99 plugin app manager: first draft:
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192 raise ValueError(f"unmanaged filter: {filter_}")
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
193
5d926c7b0d99 plugin app manager: first draft:
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194 return value
5d926c7b0d99 plugin app manager: first draft:
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diff changeset
195
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c93b02000ae4 plugin app manager: rename `sat` to `libervia`
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parents: 4071
diff changeset
196 def _libervia_generate_pwd_constr(self, loader, node):
3372
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197 alphabet = string.ascii_letters + string.digits
5d926c7b0d99 plugin app manager: first draft:
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198 return ''.join(secrets.choice(alphabet) for i in range(30))
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parents:
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199
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diff changeset
200 def _libervia_param_constr(self, loader, node):
3372
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201 """Get a parameter specified when starting the application
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
202
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
203 The value can be either the name of the parameter to get, or a list as
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
204 [name, default_value]
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
205 """
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
206 try:
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
207 name, default = loader.construct_sequence(node)
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
208 except ConstructorError:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
209 name, default = loader.construct_scalar(node), None
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
210 return self._params.get(name, default)
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
211
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
212 def register(self, manager):
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
213 name = manager.name
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
214 if name in self._managers:
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
215 raise exceptions.ConflictError(
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
216 f"There is already a manager with the name {name}")
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
217 self._managers[manager.name] = manager
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
218 if hasattr(manager, "discover_path"):
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
219 self.discover(manager.discover_path, manager)
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
220
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parents: 3565
diff changeset
221 def get_manager(self, app_data: dict) -> object:
3372
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parents:
diff changeset
222 """Get manager instance needed for this app
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
223
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
224 @raise exceptions.DataError: something is wrong with the type
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
225 @raise exceptions.NotFound: manager is not registered
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
226 """
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
227 try:
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
228 app_type = app_data["type"]
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
229 except KeyError:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
230 raise exceptions.DataError(
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
231 "app file doesn't have the mandatory \"type\" key"
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
232 )
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
233 if not isinstance(app_type, str):
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
234 raise exceptions.DataError(
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
235 f"invalid app data type: {app_type!r}"
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
236 )
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
237 app_type = app_type.strip()
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
238 try:
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
239 return self._managers[app_type]
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
240 except KeyError:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
241 raise exceptions.NotFound(
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
242 f"No manager found to manage app of type {app_type!r}")
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
243
3998
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
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parents: 3565
diff changeset
244 def get_app_data(
3372
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
245 self,
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
246 id_type: Optional[str],
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
247 identifier: str
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
248 ) -> dict:
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
249 """Retrieve instance's app_data from identifier
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
250
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
251 @param id_type: type of the identifier, can be:
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
252 - "name": identifier is a canonical application name
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
253 the first found instance of this application is returned
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
254 - "instance": identifier is an instance id
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
255 @param identifier: identifier according to id_type
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
256 @return: instance application data
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
257 @raise exceptions.NotFound: no instance with this id can be found
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
258 @raise ValueError: id_type is invalid
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
259 """
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
260 if not id_type:
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
261 id_type = 'name'
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
262 if id_type == 'name':
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
263 identifier = identifier.lower().strip()
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
264 try:
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
265 return next(iter(self._started[identifier]))
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
266 except (KeyError, StopIteration):
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
267 raise exceptions.NotFound(
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
268 f"No instance of {identifier!r} is currently running"
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
269 )
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
270 elif id_type == 'instance':
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
271 instance_id = identifier
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
272 try:
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
273 return self._instances[instance_id]
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
274 except KeyError:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
275 raise exceptions.NotFound(
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
276 f"There is no application instance running with id {instance_id!r}"
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
277 )
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
278 else:
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
279 raise ValueError(f"invalid id_type: {id_type!r}")
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
280
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
281 def discover(
5d926c7b0d99 plugin app manager: first draft:
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parents:
diff changeset
282 self,
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
283 dir_path: Path,
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
284 manager: Optional = None
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
285 ) -> None:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
286 for file_path in dir_path.glob(f"{APP_FILE_PREFIX}*.yaml"):
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
287 if manager is None:
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288 try:
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289 app_data = self.parse(file_path)
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290 manager = self.get_manager(app_data)
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291 except (exceptions.DataError, exceptions.NotFound) as e:
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292 log.warning(
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293 f"Can't parse {file_path}, skipping: {e}")
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294 app_name = file_path.stem[len(APP_FILE_PREFIX):].strip().lower()
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295 if not app_name:
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296 log.warning(
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297 f"invalid app file name at {file_path}")
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298 continue
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299 app_dict = self._apps.setdefault(app_name, {})
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300 manager_set = app_dict.setdefault(manager, set())
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301 manager_set.add(file_path)
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302 log.debug(
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303 f"{app_name!r} {manager.name} application found"
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304 )
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305
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306 def parse(self, file_path: Path, params: Optional[dict] = None) -> dict:
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307 """Parse Libervia application file
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308
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309 @param params: parameters for running this instance
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310 @raise exceptions.DataError: something is wrong in the file
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311 """
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312 if params is None:
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313 params = {}
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314 with file_path.open() as f:
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315 # we set parameters to be used only with this instance
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316 # no async method must used between this assignation and `load`
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317 self._params = params
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318 app_data = self.load(f)
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319 self._params = None
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320 if "name" not in app_data:
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321 # note that we don't use lower() here as we want human readable name and
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322 # uppercase may be set on purpose
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323 app_data['name'] = file_path.stem[len(APP_FILE_PREFIX):].strip()
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324 single_instance = app_data.setdefault("single_instance", True)
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325 if not isinstance(single_instance, bool):
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326 raise ValueError(
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327 f'"single_instance" must be a boolean, but it is {type(single_instance)}'
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328 )
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329 return app_data
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330
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331 def list_applications(self, filters: Optional[List[str]]) -> List[str]:
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332 """List available application
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333
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334 @param filters: only show applications matching those filters.
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335 using None will list all known applications
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336 a filter can be:
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337 - available: applications available locally
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338 - running: only show launched applications
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339 """
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340 if not filters:
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341 return list(self.apps)
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342 found = set()
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343 for filter_ in filters:
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344 if filter_ == "available":
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345 found.update(self._apps)
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346 elif filter_ == "running":
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347 found.update(self._started)
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348 else:
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349 raise ValueError(f"Unknown filter: {filter_}")
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350 return list(found)
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351
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352 def _start(self, app_name, extra):
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353 extra = data_format.deserialise(extra)
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354 d = defer.ensureDeferred(self.start(str(app_name), extra))
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355 d.addCallback(data_format.serialise)
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356 return d
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357
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358 async def start(
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359 self,
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360 app_name: str,
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361 extra: Optional[dict] = None,
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362 ) -> dict:
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363 """Start an application
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364
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365 @param app_name: name of the application to start
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366 @param extra: extra parameters
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367 @return: data with following keys:
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368 - name (str): canonical application name
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369 - instance (str): instance ID
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370 - started (bool): True if the application is already started
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371 if False, the "application_started" signal should be used to get notificed
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372 when the application is actually started
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373 - expose (dict): exposed data as given by [self.get_exposed]
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374 exposed data which need to be computed are NOT returned, they will
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375 available when the app will be fully started, throught the
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376 [self.get_exposed] method.
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377 """
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378 # FIXME: for now we use the first app manager available for the requested app_name
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379 # TODO: implement running multiple instance of the same app if some metadata
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380 # to be defined in app_data allows explicitly it.
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381 app_name = app_name.lower().strip()
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382 try:
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383 app_file_path = next(iter(next(iter(self._apps[app_name].values()))))
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384 except KeyError:
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385 raise exceptions.NotFound(
5d926c7b0d99 plugin app manager: first draft:
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386 f"No application found with the name {app_name!r}"
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387 )
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388 log.info(f"starting {app_name!r}")
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389 started_data = self._started.setdefault(app_name, [])
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390 app_data = self.parse(app_file_path, extra)
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391 app_data["_started"] = False
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392 app_data['_file_path'] = app_file_path
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393 app_data['_name_canonical'] = app_name
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394 single_instance = app_data['single_instance']
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395 ret_data = {
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396 "name": app_name,
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397 "started": False
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398 }
3372
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399 if single_instance:
5d926c7b0d99 plugin app manager: first draft:
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400 if started_data:
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401 instance_data = started_data[0]
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402 instance_id = instance_data["_instance_id"]
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403 ret_data["instance"] = instance_id
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404 ret_data["started"] = instance_data["_started"]
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diff changeset
405 ret_data["expose"] = await self.get_exposed(
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diff changeset
406 instance_id, "instance", {"skip_compute": True}
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diff changeset
407 )
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408 log.info(f"{app_name!r} is already started or being started")
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409 return ret_data
3372
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410 else:
4037
524856bd7b19 massive refactoring to switch from camelCase to snake_case:
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diff changeset
411 cache_path = self.host.memory.get_cache_path(
3372
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412 PLUGIN_INFO[C.PI_IMPORT_NAME], app_name
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diff changeset
413 )
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414 cache_path.mkdir(0o700, parents=True, exist_ok=True)
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415 app_data['_instance_dir_path'] = cache_path
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diff changeset
416 else:
4085
c93b02000ae4 plugin app manager: rename `sat` to `libervia`
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diff changeset
417 dest_dir_obj = tempfile.TemporaryDirectory(prefix="libervia_app_")
3372
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418 app_data['_instance_dir_obj'] = dest_dir_obj
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419 app_data['_instance_dir_path'] = Path(dest_dir_obj.name)
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420 instance_id = ret_data["instance"] = app_data['_instance_id'] = shortuuid.uuid()
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diff changeset
421 manager = self.get_manager(app_data)
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422 app_data['_manager'] = manager
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423 started_data.append(app_data)
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424 self._instances[instance_id] = app_data
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diff changeset
425 # we retrieve exposed data such as url_prefix which can be useful computed exposed
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
426 # data must wait for the app to be started, so we skip them for now
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
427 ret_data["expose"] = await self.get_exposed(
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
428 instance_id, "instance", {"skip_compute": True}
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
429 )
3372
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
430
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
431 try:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
432 start = manager.start
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
433 except AttributeError:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
434 raise exceptions.InternalError(
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
435 f"{manager.name} doesn't have the mandatory \"start\" method"
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
436 )
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
437 else:
3998
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
438 defer.ensureDeferred(self.start_app(start, app_data))
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
439 return ret_data
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
440
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
441 async def start_app(self, start_cb: Callable, app_data: dict) -> None:
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
442 app_name = app_data["_name_canonical"]
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
443 instance_id = app_data["_instance_id"]
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
444 try:
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
445 await start_cb(app_data)
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
446 except Exception as e:
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
447 log.exception(f"Can't start libervia app {app_name!r}")
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
448 self.host.bridge.application_error(
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
449 app_name,
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
450 instance_id,
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
451 data_format.serialise(
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
452 {
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
453 "class": str(type(e)),
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
454 "msg": str(e)
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
455 }
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
456 ))
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
457 else:
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
458 app_data["_started"] = True
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
459 self.host.bridge.application_started(app_name, instance_id, "")
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
460 log.info(f"{app_name!r} started")
3372
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
461
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
462 def _stop(self, identifier, id_type, extra):
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
463 extra = data_format.deserialise(extra)
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
464 return defer.ensureDeferred(
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
465 self.stop(str(identifier), str(id_type) or None, extra))
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
466
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
467 async def stop(
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
468 self,
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
469 identifier: str,
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
470 id_type: Optional[str] = None,
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
471 extra: Optional[dict] = None,
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
472 ) -> None:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
473 if extra is None:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
474 extra = {}
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
475
3998
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
476 app_data = self.get_app_data(id_type, identifier)
3372
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
477
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
478 log.info(f"stopping {app_data['name']!r}")
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
479
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
480 app_name = app_data['_name_canonical']
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
481 instance_id = app_data['_instance_id']
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
482 manager = app_data['_manager']
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
483
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
484 try:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
485 stop = manager.stop
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
486 except AttributeError:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
487 raise exceptions.InternalError(
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
488 f"{manager.name} doesn't have the mandatory \"stop\" method"
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
489 )
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
490 else:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
491 try:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
492 await stop(app_data)
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
493 except Exception as e:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
494 log.warning(
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
495 f"Instance {instance_id} of application {app_name} can't be stopped "
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
496 f"properly: {e}"
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
497 )
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
498 return
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
499
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
500 try:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
501 del self._instances[instance_id]
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
502 except KeyError:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
503 log.error(
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
504 f"INTERNAL ERROR: {instance_id!r} is not present in self._instances")
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
505
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
506 try:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
507 self._started[app_name].remove(app_data)
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
508 except ValueError:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
509 log.error(
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
510 "INTERNAL ERROR: there is no app data in self._started with id "
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
511 f"{instance_id!r}"
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
512 )
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
513
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
514 log.info(f"{app_name!r} stopped")
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
515
3998
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
516 def _get_exposed(self, identifier, id_type, extra):
3372
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
517 extra = data_format.deserialise(extra)
3998
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
518 d = defer.ensureDeferred(self.get_exposed(identifier, id_type, extra))
3372
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
519 d.addCallback(lambda d: data_format.serialise(d))
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
520 return d
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
521
3998
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
522 async def get_exposed(
3372
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
523 self,
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
524 identifier: str,
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
525 id_type: Optional[str] = None,
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
526 extra: Optional[dict] = None,
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
527 ) -> dict:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
528 """Get data exposed by the application
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
529
3998
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
530 The manager's "compute_expose" method will be called if it exists. It can be used
3372
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
531 to handle manager specific conventions.
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
532 """
3998
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
533 app_data = self.get_app_data(id_type, identifier)
3372
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
534 if app_data.get('_exposed_computed', False):
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
535 return app_data['expose']
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
536 if extra is None:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
537 extra = {}
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
538 expose = app_data.setdefault("expose", {})
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
539 if "passwords" in expose:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
540 passwords = expose['passwords']
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
541 for name, value in list(passwords.items()):
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
542 if isinstance(value, list):
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
543 # if we have a list, is the sequence of keys leading to the value
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
544 # to expose. We use "reduce" to retrieve the desired value
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
545 try:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
546 passwords[name] = reduce(lambda l, k: l[k], value, app_data)
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
547 except Exception as e:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
548 log.warning(
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
549 f"Can't retrieve exposed value for password {name!r}: {e}")
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
550 del passwords[name]
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
551
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
552 url_prefix = expose.get("url_prefix")
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
553 if isinstance(url_prefix, list):
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
554 try:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
555 expose["url_prefix"] = reduce(lambda l, k: l[k], url_prefix, app_data)
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
556 except Exception as e:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
557 log.warning(
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
558 f"Can't retrieve exposed value for url_prefix: {e}")
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
559 del expose["url_prefix"]
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
560
3998
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
561 if extra.get("skip_compute", False):
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
562 return expose
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
563
3372
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
564 try:
3998
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
565 compute_expose = app_data['_manager'].compute_expose
3372
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
566 except AttributeError:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
567 pass
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
568 else:
3998
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
569 await compute_expose(app_data)
3372
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
570
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
571 app_data['_exposed_computed'] = True
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
572 return expose
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
573
3998
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
574 async def _do_prepare(
3372
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
575 self,
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
576 app_data: dict,
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
577 ) -> None:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
578 name = app_data['name']
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
579 dest_path = app_data['_instance_dir_path']
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
580 if next(dest_path.iterdir(), None) != None:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
581 log.debug(f"There is already a prepared dir at {dest_path}, nothing to do")
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
582 return
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
583 try:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
584 prepare = app_data['prepare'].copy()
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
585 except KeyError:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
586 prepare = {}
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
587
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
588 if not prepare:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
589 log.debug("Nothing to prepare for {name!r}")
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
590 return
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
591
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
592 for action, value in list(prepare.items()):
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
593 log.debug(f"[{name}] [prepare] running {action!r} action")
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
594 if action == "git":
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
595 try:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
596 git_path = which('git')[0]
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
597 except IndexError:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
598 raise exceptions.NotFound(
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
599 "Can't find \"git\" executable, {name} can't be started without it"
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
600 )
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
601 await async_process.run(git_path, "clone", value, str(dest_path))
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
602 log.debug(f"{value!r} git repository cloned at {dest_path}")
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
603 else:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
604 raise NotImplementedError(
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
605 f"{action!r} is not managed, can't start {name}"
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
606 )
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
607 del prepare[action]
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
608
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
609 if prepare:
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
610 raise exceptions.InternalError('"prepare" should be empty')
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
611
3998
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
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parents: 3565
diff changeset
612 async def _do_create_files(
3565
d66a8453b02b plugin app manager: add a way to create files:
Goffi <goffi@goffi.org>
parents: 3564
diff changeset
613 self,
d66a8453b02b plugin app manager: add a way to create files:
Goffi <goffi@goffi.org>
parents: 3564
diff changeset
614 app_data: dict,
d66a8453b02b plugin app manager: add a way to create files:
Goffi <goffi@goffi.org>
parents: 3564
diff changeset
615 ) -> None:
d66a8453b02b plugin app manager: add a way to create files:
Goffi <goffi@goffi.org>
parents: 3564
diff changeset
616 dest_path = app_data['_instance_dir_path']
d66a8453b02b plugin app manager: add a way to create files:
Goffi <goffi@goffi.org>
parents: 3564
diff changeset
617 files = app_data.get('files')
d66a8453b02b plugin app manager: add a way to create files:
Goffi <goffi@goffi.org>
parents: 3564
diff changeset
618 if not files:
d66a8453b02b plugin app manager: add a way to create files:
Goffi <goffi@goffi.org>
parents: 3564
diff changeset
619 return
d66a8453b02b plugin app manager: add a way to create files:
Goffi <goffi@goffi.org>
parents: 3564
diff changeset
620 if not isinstance(files, dict):
d66a8453b02b plugin app manager: add a way to create files:
Goffi <goffi@goffi.org>
parents: 3564
diff changeset
621 raise ValueError('"files" must be a dictionary')
d66a8453b02b plugin app manager: add a way to create files:
Goffi <goffi@goffi.org>
parents: 3564
diff changeset
622 for filename, data in files.items():
d66a8453b02b plugin app manager: add a way to create files:
Goffi <goffi@goffi.org>
parents: 3564
diff changeset
623 path = dest_path / filename
d66a8453b02b plugin app manager: add a way to create files:
Goffi <goffi@goffi.org>
parents: 3564
diff changeset
624 if path.is_file():
d66a8453b02b plugin app manager: add a way to create files:
Goffi <goffi@goffi.org>
parents: 3564
diff changeset
625 log.info(f"{path} already exists, skipping")
d66a8453b02b plugin app manager: add a way to create files:
Goffi <goffi@goffi.org>
parents: 3564
diff changeset
626 with path.open("w") as f:
d66a8453b02b plugin app manager: add a way to create files:
Goffi <goffi@goffi.org>
parents: 3564
diff changeset
627 f.write(data.get("content", ""))
d66a8453b02b plugin app manager: add a way to create files:
Goffi <goffi@goffi.org>
parents: 3564
diff changeset
628 log.debug(f"{path} created")
d66a8453b02b plugin app manager: add a way to create files:
Goffi <goffi@goffi.org>
parents: 3564
diff changeset
629
3998
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
630 async def start_common(self, app_data: dict) -> None:
3372
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
631 """Method running common action when starting a manager
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
632
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
633 It should be called by managers in "start" method.
5d926c7b0d99 plugin app manager: first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
634 """
3998
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
635 await self._do_prepare(app_data)
402d31527af4 plugin app manager: `start` doesn't wait anymore for actual app start:
Goffi <goffi@goffi.org>
parents: 3565
diff changeset
636 await self._do_create_files(app_data)