When running packtack –allinone command if you receive error like below check if python-setuptools is installed. Sometimes I have found it’s not installed during dependency install.
ERROR:root:Failed to load plugin from file ssl_001.py ERROR:root:Traceback (most recent call last): File "/usr/lib/python2.7/site-packages/packstack/installer/run_setup.py", line 923, in loadPlugins moduleobj = __import__(moduleToLoad) File "/usr/lib/python2.7/site-packages/packstack/plugins/ssl_001.py", line 20, in <module> from OpenSSL import crypto File "/usr/lib/python2.7/site-packages/OpenSSL/__init__.py", line 8, in <module> from OpenSSL import rand, crypto, SSL File "/usr/lib/python2.7/site-packages/OpenSSL/crypto.py", line 13, in <module> from cryptography.hazmat.primitives.asymmetric import dsa, rsa File "/usr/lib64/python2.7/site-packages/cryptography/hazmat/primitives/asymmetric/rsa.py", line 14, in <module> from cryptography.hazmat.backends.interfaces import RSABackend File "/usr/lib64/python2.7/site-packages/cryptography/hazmat/backends/__init__.py", line 7, in <module> import pkg_resources ImportError: No module named pkg_resources ERROR:root:Traceback (most recent call last): File "/usr/lib/python2.7/site-packages/packstack/installer/run_setup.py", line 988, in main loadPlugins() File "/usr/lib/python2.7/site-packages/packstack/installer/run_setup.py", line 931, in loadPlugins raise Exception("Failed to load plugin from file %s" % item) Exception: Failed to load plugin from file ssl_001.py ERROR : Failed to load plugin from file ssl_001.py