def cleanup_npm_request(request_id):
"""Clean up the Nexus npm content for the Cachito request."""
payload = {
"repository_name": get_npm_proxy_repo_name(request_id),
"username": get_npm_proxy_username(request_id),
}
nexus.execute_script("js_cleanup", payload)
def test_get_npm_proxy_username():
assert npm.get_npm_proxy_username(3) == "cachito-npm-3"
def fetch_npm_source(request_id, package_configs=None):
"""
Resolve and fetch npm dependencies for a given request.
This function uses the Python ``os.path`` library to manipulate paths, so the path to the
configuration files may differ in format based on the system the Cachito worker is deployed on
(i.e. Linux vs Windows).
:param int request_id: the Cachito request ID this is for
:param list package_configs: the list of optional package configurations submitted by the user
:raise CachitoError: if the task fails
"""
if package_configs is None:
package_configs = []
validate_npm_config()
bundle_dir = RequestBundleDir(request_id)
log.debug("Checking if the application source uses npm")
subpaths = [
os.path.normpath(c["path"]) for c in package_configs if c.get("path")
]
if not subpaths:
# Default to the root of the application source
subpaths = [os.curdir]
_verify_npm_files(bundle_dir, subpaths)
log.info("Configuring Nexus for npm for the request %d", request_id)
set_request_state(request_id, "in_progress", "Configuring Nexus for npm")
repo_name = get_npm_proxy_repo_name(request_id)
prepare_nexus_for_js_request(repo_name)
npm_config_files = []
downloaded_deps = set()
for i, subpath in enumerate(subpaths):
log.info("Fetching the npm dependencies for request %d in subpath %s",
request_id, subpath)
set_request_state(
request_id,
"in_progress",
f'Fetching the npm dependencies at the "{subpath}" directory"',
)
request = get_request(request_id)
package_source_path = str(bundle_dir.app_subpath(subpath).source_dir)
try:
package_and_deps_info = resolve_npm(package_source_path,
request,
skip_deps=downloaded_deps)
except CachitoError:
log.exception("Failed to fetch npm dependencies for request %d",
request_id)
raise
downloaded_deps = downloaded_deps | package_and_deps_info[
"downloaded_deps"]
log.info(
"Generating the npm configuration files for request %d in subpath %s",
request_id,
subpath,
)
remote_package_source_path = os.path.normpath(
os.path.join("app", subpath))
if package_and_deps_info["package.json"]:
package_json_str = json.dumps(
package_and_deps_info["package.json"], indent=2)
package_json_path = os.path.join(remote_package_source_path,
"package.json")
npm_config_files.append(
make_base64_config_file(package_json_str, package_json_path))
if package_and_deps_info["lock_file"]:
package_lock_str = json.dumps(package_and_deps_info["lock_file"],
indent=2)
lock_file_name = package_and_deps_info["lock_file_name"]
lock_file_path = os.path.join(remote_package_source_path,
lock_file_name)
npm_config_files.append(
make_base64_config_file(package_lock_str, lock_file_path))
if i == 0:
env_vars = get_worker_config(
).cachito_default_environment_variables.get("npm", {})
else:
env_vars = None
package = package_and_deps_info["package"]
update_request_with_package(request_id,
package,
env_vars,
package_subpath=subpath)
update_request_with_deps(request_id, package,
package_and_deps_info["deps"])
log.info("Finalizing the Nexus configuration for npm for the request %d",
request_id)
set_request_state(request_id, "in_progress",
"Finalizing the Nexus configuration for npm")
username = get_npm_proxy_username(request_id)
password = finalize_nexus_for_js_request(username, repo_name)
log.info("Generating the .npmrc file(s)")
proxy_repo_url = get_npm_proxy_repo_url(request_id)
npm_config_files.extend(
generate_npmrc_config_files(proxy_repo_url, username, password,
subpaths))
update_request_with_config_files(request_id, npm_config_files)