Quick & dirty setup of a read only airbyte instance (#1802)

tools/internal/README.md

@@ -0,0 +1,9 @@
+Scripts in this directory are for Airbyte's employees
+
+# `demo.sh`
+This script helps maintain Airbyte's demo instance:
+
+```shell
+./tools/internal/demo.sh ssh # connects you to the airbyte instance
+./tools/internal/demo.sh tunnel # creates a local tunnel so you can access the configurable version of airbyte
+```

tools/internal/demo.sh

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+#!/usr/bin/env bash
+
+set -e
+
+. tools/lib/lib.sh
+
+TUNNEL_PORT=${TUNNEL_PORT:-4242}
+SSH_KEY=${SSH_KEY:-~/.ssh/airbyte-app.pem}
+INSTANCE_NAME=${INSTANCE_NAME:-demo-airbyte-app}
+PRIVATE_LB_NAME=${PRIVATE_LB_NAME:-demo-airbyte-admin-alb}
+
+USAGE="$0 (tunnel|ssh)"
+
+_get_instance_ip() {
+  aws --region us-east-1 ec2 describe-instances --filters Name=tag:Name,Values="$INSTANCE_NAME" Name=instance-state-name,Values=running --query "Reservations[0].Instances[0].[PublicIpAddress]" --output text
+}
+
+_get_private_alb_dns() {
+  aws --region us-east-1 elbv2 describe-load-balancers --names "$PRIVATE_LB_NAME" --query "LoadBalancers[0].[DNSName]" --output text
+}
+
+cmd_tunnel() {
+  local instance_ip; instance_ip=$(_get_instance_ip)
+  local private_alb_dns; private_alb_dns=$(_get_private_alb_dns)
+
+  echo "Tunnel: (Instance: $instance_ip, ALB: $private_alb_dns)"
+
+  echo "Connect to http://localhost:$TUNNEL_PORT"
+  ssh -i "$SSH_KEY" -L "$TUNNEL_PORT":"$private_alb_dns":80 -N ec2-user@"$instance_ip"
+}
+
+cmd_ssh() {
+  local instance_ip; instance_ip=$(_get_instance_ip)
+
+  echo "Ssh: (Instance: $instance_ip)"
+
+  ssh -i "$SSH_KEY" ec2-user@"$instance_ip"
+}
+
+main () {
+  assert_root
+
+  local cmd=$1; shift || error "Missing command\n\n$USAGE"
+
+  cmd_"$cmd"
+}
+
+main "$@"

tools/lib/lib.sh

@@ -1,5 +1,5 @@
 error() {
-  echo "$@"
+  echo -e "$@"
   exit 1
 }