This AMI is no longer working. It worked half a year ago.
Please debug. I was trying to use the internal db. Here is the error information that I got from /var/log/openvpnas.log:
2019-04-08 01:27:17+0000 [-] Failover initialization error: "ConfigDict: required config-key 'config_db' is not defined": util/cdict:285,util/cdict:257,util/cdict:521,util/cdict:550 (exceptions.KeyError) (config_db)
2019-04-08 01:27:17+0000 [-] Server agent initialization failed: "ConfigDict: required config-key 'tmp_dir' is not defined": util/cdict:285,util/cdict:257,util/cdict:521,util/cdict:550 (exceptions.KeyError) (tmp_dir)
2019-04-08 01:49:51+0000 [-] OVPN 1 OUT: 'Mon Apr 8 01:49:51 2019 98.169.136.197:52960 TLS Error: TLS key negotiation failed to occur within 60 seconds (check your network connectivity)'
2019-04-08 01:49:51+0000 [-] OVPN 1 OUT: 'Mon Apr 8 01:49:51 2019 98.169.136.197:52960 TLS Error: TLS handshake failed'
2019-04-08 01:49:51+0000 [-] OVPN 1 OUT: 'Mon Apr 8 01:49:51 2019 98.169.136.197:52960 SIGUSR1[soft,tls-error] received, client-instance restarting'
2019-04-08 01:50:00+0000 [-] OVPN 1 OUT: 'Mon Apr 8 01:50:00 2019 openvpn/98.169.136.197:52622 SIGTERM[soft,remote-exit] received, client-instance exiting'