655648f99b
subprocess.CalledProcessError in Python 2.6 does not have the 'out'
parameter for __init__, so pass only two of them and manually set
'output' in that case.
Fixes/improves commit 7f410aaff2.
Change-Id: I279bdf433b1272a9c3af4d66a2a52c78a7ac5de2
104 lines
3.5 KiB
Python
Executable file
104 lines
3.5 KiB
Python
Executable file
#!/usr/bin/env python
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# Copyright 2014 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import argparse
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import json
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import subprocess
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import sys
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def process_output(cmdline):
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# Try to execute subprocess.check_output(), which is available
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# in Python 2.7+, gracefully falling back to subprocess.Popen
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# in older Python versions.
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try:
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return subprocess.check_output(cmdline)
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except AttributeError:
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proc = subprocess.Popen(cmdline, stdout=subprocess.PIPE)
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out = proc.communicate()[0]
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if proc.returncode:
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e = subprocess.CalledProcessError(proc.returncode, cmdline)
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e.output = out
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raise e
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return out
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def main():
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parser = argparse.ArgumentParser(
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description="Install or uninstall packages for a specific phase based"
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" on package-installs files.")
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parser.add_argument('--phase', required=True,
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help="Install phase to filter on. Valid options are"
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" 'install.d' or pre-install.d")
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parser.add_argument('--uninstall', action="store_true",
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help="Only show packages to uninstall. By default only"
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" packages to install are shown")
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parser.add_argument('-n', '--noop', action="store_true",
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help="Don't actually install, just print the command")
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parser.add_argument('infile', help="File to process")
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args = parser.parse_args()
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packages = json.load(open(args.infile))
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if args.uninstall:
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install = "uninstall"
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else:
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install = "install"
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pkgs = list()
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if args.phase in packages and install in packages[args.phase]:
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install_packages = packages[args.phase][install]
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else:
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print("Nothing to %s" % install)
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sys.exit(0)
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for (pkg, element) in install_packages:
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print("%sing %s from %s" % (install, pkg, element))
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pkg_map_args = ["pkg-map", "--missing-ok", "--element", element]
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pkg_map_args.append(pkg)
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try:
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map_output = process_output(
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pkg_map_args)
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except subprocess.CalledProcessError as e:
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if e.returncode == 1:
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if args.noop:
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pkgs.append(pkg)
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continue
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else:
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print("pkg-map failed")
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sys.exit(1)
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elif e.returncode == 2:
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pkgs.append(pkg)
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continue
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pkgs.extend(map_output.strip().split('\n'))
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install_args = ["install-packages"]
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if args.uninstall:
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install_args.append("-e")
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install_args.extend(list(set(pkgs)))
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if args.noop:
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print(" ".join(install_args))
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else:
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try:
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process_output(install_args)
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except subprocess.CalledProcessError as e:
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print("install failed with error %s" % e.output)
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sys.exit(1)
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if __name__ == '__main__':
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main()
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