110 lines
3.2 KiB
Python
Executable File
110 lines
3.2 KiB
Python
Executable File
#!/usr/bin/env python
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# build-context.py
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#
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# Builds a summary of git repos and SHAs for a particular build based on
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# manifest/default.xml and the build output script CONTEXT.sh
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#
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# Loads the CONTEXT.sh script from a StarlingX CenGN build and merge it with
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# a default.xml manifest to build a YAML file that describes a set of
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# git repositories and their specific configuration for a build.
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#
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# 1. Parse default.xml
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# - build an object containing the remote+repo with attributes: revision, path
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# 2. Parse CONTEXT.sh
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# - Match up the path in the cd command with the path from the manifest, add
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# the SHA as an attribute
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# 3. Write output:
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# <repo-url> <path-from-manifest> <SHA-from-context>
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import argparse
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import sys
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import urllib
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import xmltodict
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def build_parser():
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parser = argparse.ArgumentParser(description='build-manifest')
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parser.add_argument(
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"manifest",
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metavar="<name-or-url>",
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help="Manifest file name or direct URL",
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)
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parser.add_argument(
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"--context",
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metavar="<name-or-url>",
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help="Context file name or direct URL",
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)
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parser.add_argument(
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'--remote',
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metavar="<remote-name>",
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action='append',
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dest='remotes',
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default=[],
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help='Remote to include (repeat to select multiple remotes)',
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)
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return parser
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def load_manifest(name):
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# Load the manifest XML
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if "://" in name:
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# Open a URL
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fd = urllib.urlopen(name)
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else:
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# Open a file
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fd = open(name)
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doc = xmltodict.parse(fd.read())
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fd.close()
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return doc
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def load_context(name):
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# Extract the workspace path and git SHA for each repo
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# (cd ./cgcs-root/stx/stx-config && git checkout -f 22a60625f169202a68b524ac0126afb1d10921cd)\n
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ctx = {}
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if "://" in name:
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# Open a URL
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fd = urllib.urlopen(name)
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else:
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# Open a file
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fd = open(name)
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line = fd.readline()
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while line:
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s = line.split(' ')
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# Strip './' from the beginning of the path if it exists
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path = s[1][2:] if s[1].startswith('./') else s[1]
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# Strip ')\n' from the end of the SHA if it exists
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# Don't forget that readline() always ends the line with \n
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commit = s[6][:-2] if s[6].endswith(')\n') else s[6][:-1]
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ctx[path] = commit
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line = fd.readline()
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fd.close()
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return ctx
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if __name__ == "__main__":
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opts = build_parser().parse_args()
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manifest = load_manifest(opts.manifest)
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context = {}
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if opts.context:
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context = load_context(opts.context)
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# Map the remotes into a dict
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remotes = {}
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for r in manifest['manifest']['remote']:
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if opts.remotes == [] or r['@name'] in opts.remotes:
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remotes[r['@name']] = r['@fetch']
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# Get the repos
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for r in manifest['manifest']['project']:
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if opts.remotes == [] or r['@remote'] in opts.remotes:
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commit = ""
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if r['@path'] in context.keys():
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# If we have no context this always fails
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commit = context[r['@path']]
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print("%s/%s %s %s" % (
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remotes[r['@remote']],
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r['@name'],
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r['@path'],
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commit,
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))
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