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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,171 @@ | ||
| import argparse | ||
| import hashlib | ||
| import os | ||
| from .invoker import Invoker | ||
| from .scm import getScm | ||
| from .state import BobState | ||
| from .stringparser import Env | ||
| from .input import RecipeSet, Scm, YamlCache | ||
| from .utils import EventLoopWrapper, processDefines | ||
| from .tty import NORMAL, stepExec | ||
|
|
||
| class LayerStepSpec: | ||
| def __init__(self, path): | ||
| self.__path = path | ||
|
|
||
| @property | ||
| def workspaceWorkspacePath(self): | ||
| return self.__path | ||
|
|
||
| @property | ||
| def env(self): | ||
| return {} | ||
|
|
||
| @property | ||
| def envWhiteList(self): | ||
| return [] | ||
|
|
||
| class Layer: | ||
| def __init__(self, name, root, recipes, yamlCache, scms=None): | ||
| self.__name = name | ||
| self.__root = root | ||
| self.__recipes = recipes | ||
| self.__yamlCache = yamlCache | ||
| self.__subLayers = [] | ||
| self.__scms = scms | ||
|
|
||
| async def __checkoutTask(self): | ||
| for scm in self.__scms: | ||
| layerSrcPath = os.path.join(self.__root, "layers", | ||
| self.__name, scm.getProperties(False).get("dir", "")) | ||
| invoker = Invoker(spec=LayerStepSpec(layerSrcPath), | ||
| preserveEnv=True, | ||
| noLogFiles=True, | ||
| showStdOut=True, showStdErr=True, | ||
| trace=False, redirect=False, executor=None) | ||
| created = False | ||
| if not os.path.isdir(layerSrcPath): | ||
| os.makedirs(layerSrcPath) | ||
| created = True | ||
|
|
||
| newState = {} | ||
| newState["digest"] = scm.asDigestScript(), | ||
| newState["prop"] = scm.getProperties(False) | ||
| oldState = BobState().getDirectoryState(layerSrcPath, False) | ||
| runInvoke=True | ||
| if not created and oldState is not None and \ | ||
| newState != oldState and \ | ||
| scm.canSwitch(Scm(oldState["prop"], Env(), | ||
| overrides=self.__recipes.scmOverrides(), | ||
| recipeSet=self.__recipes)): | ||
| ret = await invoker.executeScmSwitch(scm, oldState["prop"]) | ||
|
|
||
| if ret == 0: | ||
| runInvoke = False | ||
| if runInvoke: | ||
| # inline switch failed | ||
| await scm.invoke(invoker) | ||
| BobState().setDirectoryState(layerSrcPath, newState) | ||
|
|
||
| def checkout(self): | ||
| with EventLoopWrapper() as (loop, executor): | ||
| j = loop.create_task(self.__checkoutTask()) | ||
| loop.run_until_complete(j) | ||
|
|
||
| def getName(self): | ||
| return self.__name | ||
|
|
||
| def getScmSpec(self): | ||
| return self.__scmSpec | ||
|
|
||
| def loadYaml(self, path, schema): | ||
| if os.path.exists(path): | ||
| return self.__yamlCache.loadYaml(path, schema, {}, preValidate=lambda x: None) | ||
| return {} | ||
|
|
||
| def parse(self): | ||
| configYaml = os.path.join(self.__root, "config.yaml") | ||
| config = self.loadYaml(configYaml, (RecipeSet.STATIC_CONFIG_SCHEMA, b'')) | ||
| for l in config.get('layers', []): | ||
| layerScms = [] | ||
| for name, scms in l.items(): | ||
| for scm in scms: | ||
| scm["recipe"] = configYaml | ||
| layerScms.append(Scm(scm, Env(), | ||
| overrides=self.__recipes.scmOverrides(), | ||
| recipeSet=self.__recipes)) | ||
| self.__subLayers.append(Layer(name, | ||
| self.__root, | ||
| self.__recipes, | ||
| self.__yamlCache, | ||
| layerScms)) | ||
|
|
||
| def getSubLayers(self): | ||
| return self.__subLayers | ||
|
|
||
| class Layers: | ||
| def __init__(self, recipes): | ||
| self.__layers = [] | ||
| self.__recipes = recipes | ||
| self.__yamlCache = YamlCache() | ||
|
|
||
| def __haveLayer(self, layer): | ||
| for l in self.__layers: | ||
| if l.getName() == layer.getName(): | ||
| return True | ||
| return False | ||
|
|
||
| def __handleLayer(self, layer): | ||
| for l in layer.getSubLayers(): | ||
| if not self.__haveLayer(layer): | ||
| self.__layers.append(layer) | ||
| l.checkout() | ||
| self.__recipes.addParseableLayer(l.getName()) | ||
| l.parse() | ||
| for l1 in layer.getSubLayers(): | ||
| self.__handleLayer(l1) | ||
|
|
||
| def __collect(self): | ||
| # parse config of bobRoot -> add Layers for each entry | ||
| recipesRoot = Layer("", os.getcwd(), self.__recipes, self.__yamlCache) | ||
|
|
||
| recipesRoot.parse() | ||
| for l in recipesRoot.getSubLayers(): | ||
| self.__layers.append(l) | ||
| l.checkout() | ||
| self.__recipes.addParseableLayer(l.getName()) | ||
| l.parse() | ||
| self.__handleLayer(l) | ||
|
|
||
| def collect(self): | ||
| self.__yamlCache.open() | ||
| try: | ||
| self.__collect() | ||
| finally: | ||
| self.__yamlCache.close() | ||
|
|
||
| def doLayers(argv, bobRoot): | ||
|
|
||
| parser = argparse.ArgumentParser(prog="bob layers", description='Handle layers') | ||
| parser.add_argument('action', type=str, choices=['update', 'status'], default="status", | ||
| help="Action: [update, status]") | ||
| parser.add_argument('-c', dest="configFile", default=[], action='append', | ||
| help="Use config File") | ||
| parser.add_argument('-v', '--verbose', default=NORMAL, action='count', | ||
| help="Increase verbosity (may be specified multiple times)") | ||
| parser.add_argument('-D', default=[], action='append', dest="defines", | ||
| help="Override default environment variable") | ||
| args = parser.parse_args(argv) | ||
|
|
||
| defines = processDefines(args.defines) | ||
|
|
||
| # parse without failing due to missing layers. | ||
| # this is neccessary to set the scm relevant policies. | ||
| recipes = RecipeSet() | ||
| recipes.addParseableLayer([]) | ||
| recipes.setConfigFiles(args.configFile) | ||
| recipes.parse(defines) | ||
|
|
||
| layers = Layers(recipes) | ||
| layers.collect() | ||
|
|
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