🔑 OpenSSL convenience scripts

This is a Docker container that can be used to generate a closed network of TLS credentials, suitable for use among sets of microservices that only need to (and only should) communicate among themselves.

1. You'll need a directory to store input and output.

   mkdir certificates

2. Generate a password and store it in a file called password within that directory.

   touch certificates/password
   chmod 600 certificates/password
   cat /dev/random | head -c 128 | base64 > certificates/password

3. Run the container with different commands to create a certificate authority, signed keypairs or self-signed keypairs. You'll need to mount your input/output directory to the path /certificates within the container.

   KEYMASTER="docker run --rm -v $(pwd)/certificates/:/certificates/ cloudpipe/keymaster"
   
   # Certificate authority
   # certificates/ca.pem and certificates/ca-key.pem
   ${KEYMASTER} ca
   
   # Signed client keypair for "service1.host.com"
   # certificates/service1-cert.pem and certificates/service1-key.pem
   ${KEYMASTER} signed-keypair -n service1 -h service1.host.com
   
   # Signed server keypair for "service2.host.com"
   # certificates/service2-cert.pem and certificates/service2-key.pem
   ${KEYMASTER} signed-keypair -n service2 -h service2.host.com -p server
   
   # Self-signed credentials for development of externally-facing parts
   # certificates/external-cert.pem and certificates/external-key.pem
   ${KEYMASTER} selfsigned-keypair -n external