def setup(self):
library = parse_library_files(self.file_layout)
if self.pw_database:
pw_database = self.pw_database
elif not self.has_pw_file:
import engage.utils.pw_repository as pw_repository
pw_database = pw_repository.PasswordRepository("")
else:
pw_database = None # setup_context() will read the db
import install_context
install_context.setup_context(self.file_layout,
False, library, pw_database)
with open(self.install_script_file, "rb") as f:
resource_list_json = json.load(f)
rlist = [r for r in ifilter(lambda res: res["id"]==self.resource_id,
resource_list_json)]
if len(rlist)==0:
raise Exception("Resource %s not found" % self.resource_id)
if len(rlist)>1:
raise Exception("Multiple instances of resource %s!" %
self.resource_id)
resource = parse_resource_from_json(rlist[0])
entry = library.get_entry(resource)
if entry==None:
raise Exception("Unable to find library entry for %s, of resource type %s %s" % (resource.id, resource.key["name"], resource.key["version"]))
resource_manager_class = entry.get_manager_class()
if self.options.dry_run:
mgr = resource_manager_class(resource, dry_run=True)
else:
mgr = resource_manager_class(resource)
mgr.install_context = install_context
return (mgr, entry.get_package())
def get_mgrs_and_pkgs(file_layout, deployment_home, options,
resource_file=None):
"""Perform common initialization operations, returning
a list of (mgr, pkg) pairs sorted in dependency order.
"""
import library
import install_plan
l = library.parse_library_files(file_layout)
import engage.engine.password
pw_database = engage.engine.password.get_password_db(file_layout, options)
import install_context
install_context.setup_context(file_layout, options.subproc, l, pw_database)
if not resource_file:
resource_file = file_layout.get_installed_resources_file(deployment_home)
def get_manager_and_pkg(resource):
if resource.package!=None:
# new style packags are on the resource
package = resource.package
resource_manager_class = resource.get_resource_manager_class()
else:
entry = l.get_entry(resource)
assert entry, "Unable to find entry for resource %s in library file %s" % (resource.id, file_layout.get_software_library_file())
resource_manager_class = entry.get_manager_class()
package = entry.get_package()
mgr = resource_manager_class(resource)
import install_context
mgr.install_context = install_context
return (mgr, package)
with open(resource_file, "rb") as f:
resource_list_json = json.load(f)
rlist = [parse_resource_from_json(resource_json) for
resource_json in resource_list_json]
return [get_manager_and_pkg(r) for r in install_plan.create_install_plan(rlist)]