doev

#!/usr/bin/env bash

# TODO:
# regenerate certificates if needed
# normal arguments parsing
# error message for certificates:
# Error checking TLS connection: Error checking and/or regenerating the certs: There was an error validating certificates for host "192.168.99.100:2376": tls: DialWithDialer timed out
# You can attempt to regenerate them using 'docker-machine regenerate-certs [name]'.
# Be advised that this will trigger a Docker daemon restart which might stop running containers.

LOG_FILE="/tmp/.doev_logs_"`date +%Y%m%d%H%M%S`

function help
{
  echo "Few useful things for forgetful / lazy Docker users"
  echo "Usage:"
  echo " . $(basename $0) machine_name - switch to docker-machine machine_name content"
  echo " $(basename $0) which          - prints currently used docker-machine"
  echo " $(basename $0)                - runs: docker-machine ls"
  exit 0
}

if [ "${1}" = "which" ]; then
  denv_res=`env | grep DOCKER_MACHINE_NAME`
  IFS='='
  denv=(${denv_res})
  echo "docker-machine: ${denv[1]}"
  exit 0
fi

if [ "${1}" = "help" ]; then
  help
fi

if [ "${1}" != "" ]; then
  if [ "${0}" != "-bash" ]; then
    echo "It looks like you forgot to source file!"
    echo "Help:"
    help
  fi
  echo 'eval "$(docker-machine env '${1}')"'
  touch ${LOG_FILE}
  eval "$(docker-machine env ${1})" 2>&1 | tee -a ${LOG_FILE} #just for catching issues
  eval "$(docker-machine env ${1})"
  TEST=`grep Host ${LOG_FILE}`
  echo $TEST
  rm ${LOG_FILE}
  if [ ! -z "`echo $LOGS | grep regenerate-certs`" ]; then
    echo "regenerating certificates"
    echo "docker-machine regenerate-certs ${1}"
    docker-machine regenerate-certs ${1}
  elif [ ! -z "`echo $LOGS | grep exist`" ]; then
    exit -1
  fi
else
  echo "Empty docker-machine name, listing machines"
  echo "For help type: $(basename $0) help"
  docker-machine ls
  exit -1
fi

ENV_RES=`env | grep DOCKER_MACHINE_NAME`
IFS='='
KEY_VALUE=($ENV_RES)

if [ "${1}" != "${KEY_VALUE[1]}" ]
then
  echo "docker-machine not set!"
  echo "parameter: _${1}_"
  echo "value: _${KEY_VALUE[1]}_"
else
  echo "using machine ${1}"
fi