def resolve_deps(self):
'''Uses the dockerize.DepSolver class to find all the shared
library dependencies of files installed into the Docker image.'''
deps = DepSolver()
# Iterate over all files in the image.
for root, dirs, files in os.walk(self.targetdir):
for name in files:
path = os.path.join(root, name)
deps.add(path)
for src in deps.deps:
self.copy_file(src, symlinks=symlink_options.COPY_ALL)
# Install some basic nss libraries to permit programs to resolve
# users, groups, and hosts.
for libdir in deps.prefixes():
for nsslib in [
'libnss_dns.so.2', 'libnss_files.so.2',
'libnss_compat.so.2'
]:
src = os.path.join(libdir, nsslib)
LOG.info('looking for %s', src)
if os.path.exists(src):
self.copy_file(src, symlinks=symlink_options.COPY_ALL)
def dep_solve(self, nvrea_list, labels=None):
if not labels:
labels = self.channel_map.keys()
repos = [{
"id": label,
"relative_path": repodata(label)
} for label in labels]
print "Copying repodata, please wait."
# dep solver expects the metadata to be in /repodata directory;
# create temporary symlinks
temp_repo_links = []
repo = None
for repo in repos:
yum_repodata_path = "%s/repodata" % (repo['relative_path'])
create_repodata_link(repo['relative_path'], yum_repodata_path)
temp_repo_links.append(yum_repodata_path)
try:
try:
self.solver = DepSolver(repos)
self.__dep_solve(nvrea_list)
self.solver.cleanup()
except RepoError, e:
raise UserRepoError(repo["id"], e.value)
finally:
# clean up temporary symlinks
for link in temp_repo_links:
remove_repodata_link(link)
def expand_file(path, sym_set, files_set, found_set, no_cpy_all):
if len([n for n in IGNORE if fnmatch.fnmatch(path, n)]) != 0:
return
if no_cpy_all != True:
dirs = [
n for n in COPYALL if fnmatch.fnmatch(path, os.path.join(n, '*'))
]
if len(dirs) != 0:
for roots in dirs:
expand_dir(roots, sym_set, files_set, found_set, True)
return
if os.path.islink(path):
sym_set.add(path)
lnk = os.readlink(path)
if os.path.isabs(lnk) == False:
lnk = os.path.join(os.path.dirname(path), lnk)
expand_file(lnk, sym_set, files_set, found_set, no_cpy_all)
if os.path.isdir(path):
expand_dir(path, sym_set, files_set, found_set, no_cpy_all)
return
if os.path.isfile(path):
if path in files_set:
return
files_set.add(path)
found_set.add(os.path.basename(path))
deps = DepSolver()
deps.add(path)
for src in deps.deps:
expand_file(src, sym_set, files_set, found_set, no_cpy_all)
