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Use global licenses with local symlinks

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This commit is contained in:
Adam J. Stewart 2016-04-15 15:04:16 -05:00
parent 6906911e85
commit 2a11cb8b76
1 changed files with 54 additions and 11 deletions
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65
lib/spack/spack/package.py
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@ -898,6 +898,11 @@ def do_install(self,
def build_process():
"""Forked for each build. Has its own process and python
module space set up by build_environment.fork()."""
# Set up a global license if one is required
if self.license_required:
self.set_up_license()
start_time = time.time()
if not fake:
if not skip_patch:
@ -960,9 +965,9 @@ def build_process():
self._total_time = time.time() - start_time
build_time = self._total_time - self._fetch_time
# Set up license information
if self.license_required:
self.set_up_license()
# Symlink local license to global license if one is required
if self.license_required and self.license_files:
self.symlink_license()
tty.msg("Successfully installed %s" % self.name,
"Fetch: %s. Build: %s. Total: %s." %
@ -1014,16 +1019,38 @@ def check_paths(path_list, filetype, predicate):
"Install failed for %s. Nothing was installed!" % self.name)
def global_license_file(self):
"""Returns the path where a global license file should be stored."""
if not self.license_files:
return
spack_root = ancestor(__file__, 4)
global_license_dir = join_path(spack_root, 'etc', 'spack', 'licenses')
return join_path(global_license_dir, self.name,
os.path.basename(self.license_files[0]))
def local_license_symlink(self):
"""Returns the path where a local license file is searched for."""
if not self.license_files:
return
return join_path(self.prefix, self.license_files[0])
def set_up_license(self):
"""Prompt the user, letting them know that a license is required."""
# If the license can be stored in a file, create one
if self.license_files:
# Use the first file listed in license_files
license_path = self.prefix + '/' + self.license_files[0]
self.write_license_file(license_path)
# Open up file in user's favorite $EDITOR for editing
spack.editor(license_path)
tty.msg("Added license file %s" % license_path)
license_path = self.global_license_file()
if not os.path.exists(license_path):
# Create a new license file
self.write_license_file(license_path)
# Open up file in user's favorite $EDITOR for editing
spack.editor(license_path)
tty.msg("Added global license file %s" % license_path)
else:
# Use already existing license file
tty.msg("Found already existing license %s" % license_path)
# If not a file, what about an environment variable?
elif self.license_vars:
@ -1045,12 +1072,17 @@ def set_up_license(self):
def write_license_file(self, license_path):
"""Writes empty license file.
Comments give suggestions on alternative methods of installing
a license."""
Comments give suggestions on alternative methods of
installing a license."""
comment = self.license_comment
# Global license directory may not already exist
if not os.path.exists(os.path.dirname(license_path)):
os.makedirs(os.path.dirname(license_path))
license = open(license_path, 'w')
# License files
license.write("""\
{0} A license is required to use {1}.
{0}
@ -1065,6 +1097,7 @@ def write_license_file(self, license_path):
license.write("{0}\n".format(comment))
# Environment variables
if self.license_vars:
license.write("""\
{0} Alternatively, use one of the following environment variable(s):
@ -1084,6 +1117,7 @@ def write_license_file(self, license_path):
{0}
""".format(comment, self.name))
# Documentation
if self.license_url:
license.write("""\
{0} For further information on how to acquire a license, please refer to:
@ -1100,6 +1134,15 @@ def write_license_file(self, license_path):
license.close()
def symlink_license(self):
"""Create a local symlink that points to the global license file."""
target = self.global_license_file()
link_name = self.local_license_symlink()
if os.path.exists(target):
os.symlink(target, link_name)
tty.msg("Added local symlink %s to global license file" % link_name)
def do_install_dependencies(self, **kwargs):
# Pass along paths of dependencies here
for dep in self.spec.dependencies.values():