From a19385fe3ce01a1b74c0dfb9d575b14fd93ac8f3 Mon Sep 17 00:00:00 2001
From: Ville Rantanen <q@moonq.org>
Date: Thu, 22 Jun 2017 09:38:26 +0300
Subject: [PATCH] ssh helper

---
 ssh-to | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100755 ssh-to

diff --git a/ssh-to b/ssh-to
new file mode 100755
index 0000000..f5132b5
--- /dev/null
+++ b/ssh-to
@@ -0,0 +1,57 @@
+#!/bin/bash
+
+function helpExit() {
+    echo "SSH to Docker session."
+    echo "  arg: container name "
+    echo "  --help   This help"
+    exit
+}
+function rsaMissing() {
+  echo "RSA keys missing. have you started a container here?"
+  exit 1
+}
+function listContainers() {
+  docker ps -a
+}
+function isRunning() {
+  [[ $( docker inspect --format '{{ .State.Running }}' "$1" ) = true ]]
+}
+function containerRestart() {
+  docker restart "$1"
+}
+for (( i=1; i<=$#; i++ )); do
+  j=$(( $i + 1 ))
+  [[ "${!i}" = "--help" ]] && helpExit
+  [[ "${!i}" = "-h" ]] && helpExit
+done
+set -e
+[[ -f .id_rsa.pub ]] || rsaMissing
+[[ -f .id_rsa ]] || rsaMissing
+
+[[ -z "$1" ]] && {
+  listContainers
+  echo "Pass container name / id"
+  exit
+}
+cd $( dirname $( readlink -f $0 ) )
+
+export USER=$( id -u -n )
+
+nname=$1
+
+isRunning $nname || containerRestart $nname
+while :; do
+  sleep 3
+  IP=$( docker inspect --format '{{ .NetworkSettings.IPAddress }}' $nname )
+  [[ -z "$IP" ]] || break
+done
+echo $IP
+while :; do
+  sleep 3
+  ssh-keyscan $IP && break
+done
+
+ssh -i .id_rsa -XY -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $USER@$IP 
+
+
+