server

#!/bin/bash
# run like
#  [key=/path/to/ssh-key] server [staging|production] [args...]
# where args can be...
#  - setup path/to/ssh-key
#  - deploy [service]
#  - revert service
#  - everything

set -o errexit
set -o nounset
set -o pipefail

# Environment
if [ $# -ge 0 ]; then
  environment="$1"
  shift
else
  read -p "Environment (production|staging): " environment
fi

if [ $environment = "production" ]; then
  host="my.6gu.nz"
elif [ $environment = "staging" ]; then
  host="staging.6gu.nz"
else
  read -p "Assuming $environment is an ip address."
  host="$environment"
fi

# SSH keys
if [ -e "${key-""}" ]; then
  key_args=(-i $key)
else
  declare -a key_args
fi


# Command
if [ $# -ge 0 ]; then
  cmd="$1"
  shift
  args=( "$@" )
else
  read -p "Command: " cmd
  if [ ! "$cmd" = "setup" ]; then
    read -a "Arguments (may be empty): " args
  fi
fi


# Bash
if [ "$cmd" = "bash" ]; then
  ssh ${key_args[*]} root@${host}
  exit 0
fi

# "Regular" commands
if [ ! "$cmd" = "setup" ]; then
  set -o xtrace
  ssh ${key_args[*]} root@${host} \
    "bash 6gu/machines/run.sh" "$cmd" ${args[*]}
  exit 0
fi

# Server setup
read -p "Path to gitea creds: " path_to_creds
path_to_creds=${path_to_creds/#\~/$HOME}
if [ ! -f "$path_to_creds" ]; then
  echo "Gitea creds not found."
  exit 1
fi

read -p "Enter docker registry username: " docker_username
read -p "Enter docker registry password: " docker_password

set -o xtrace
scp ${key_args[*]} "$path_to_creds" root@${host}:/root/.ssh/git-key

ssh ${key_args[*]} root@${host} \
  "bash -s '$docker_username' '$docker_password'" \
  < machines/setup.sh