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# Copyright (C) 2016 Red Hat, Inc., Tomas Tomecek <ttomecek@redhat>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
import os
import json
from sos.plugins import Plugin, RedHatPlugin, DebianPlugin, UbuntuPlugin, \
SuSEPlugin
class Npm(Plugin, RedHatPlugin, DebianPlugin, UbuntuPlugin, SuSEPlugin):
"""
Get info about available npm modules
"""
requires_root = False
plugin_name = 'npm'
profiles = ('system',)
option_list = [("project_path",
'List npm modules of a project specified by path',
'fast',
0)]
# in Fedora, Debian, Ubuntu and Suse the package is called npm
packages = ('npm',)
def _get_npm_output(self, cmd, filename, working_directory=None):
# stderr output is already part of the json, key "problems"
self.add_cmd_output(
cmd,
suggest_filename=filename,
stderr=False,
runat=working_directory
)
def _find_modules_in_npm_cache(self):
"""
Example 'npm cache ls' output
~/.npm
~/.npm/acorn
~/.npm/acorn/1.2.2
~/.npm/acorn/1.2.2/package.tgz
~/.npm/acorn/1.2.2/package
~/.npm/acorn/1.2.2/package/package.json
~/.npm/acorn/4.0.3
~/.npm/acorn/4.0.3/package.tgz
~/.npm/acorn/4.0.3/package
~/.npm/acorn/4.0.3/package/package.json
~/.npm/registry.npmjs.org
~/.npm/registry.npmjs.org/acorn
~/.npm/registry.npmjs.org/acorn/.cache.json
https://docs.npmjs.com/cli/cache
"""
output = {}
# with chroot=True (default) the command fails when run as non-root
user_cache = self.get_command_output("npm cache ls", chroot=False)
if user_cache['status'] == 0:
# filter out dirs with .cache.json ('registry.npmjs.org')
for package in [l for l in user_cache['output'].splitlines()
if l.endswith('package.tgz')]:
five_tuple = package.split(os.path.sep)
if len(five_tuple) != 5: # sanity check
continue
home, cache, name, version, package_tgz = five_tuple
if name not in output:
output[name] = [version]
else:
output[name].append(version)
self._log_debug("modules in cache: %s" % output)
outfn = self._make_command_filename("npm_cache_modules")
self.archive.add_string(json.dumps(output), outfn)
def setup(self):
if self.get_option("project_path") != 0:
project_path = os.path.abspath(os.path.expanduser(
self.get_option("project_path")))
self._get_npm_output("npm ls --json", "npm_ls_project",
working_directory=project_path)
self._get_npm_output("npm ls -g --json", "npm_ls_global")
self._find_modules_in_npm_cache()
class NpmViaNodeJS(Npm):
"""
some distribution methods don't provide 'npm' via npm package
"""
# upstream doesn't have an npm package, it's just nodejs
# also in Fedora 24+ it is just nodejs, no npm package
packages = ('nodejs', )
# TODO: in RHEL npm and nodejs is available via software collections
# this should be handled separately
# vim: set et ts=4 sw=4 :
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