added ssh

cuddle.yaml

@@ -16,3 +16,5 @@ scripts:
     type: shell
   deploy_release:
     type: shell
+  setup_ssh:
+    type: shell

scripts/setup_ssh.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+
+set -e
+
+if [ ! -d ~/.ssh ]; then
+  mkdir -p ~/.ssh
+  chmod 700 ~/.ssh
+fi
+
+if [ -n "$SSH_KEY" ]; then
+    SSH_KEY_ID="$HOME/.ssh/id_ed25519"
+    echo $SSH_KEY > $SSH_KEY_ID
+
+    chmod 600 $SSH_KEY_ID
+
+    # Append the required to the ssh config file.
+    # Switch out the hostname for different hosts.
+    # The line count is 5
+    echo "\nHost ci.i.kjuulh.io\n"\
+            " IdentityFile ${SSH_KEY_ID}\n"\
+            " IdentitiesOnly yes\n"\
+            " UserKnownHostsFile=/dev/null\n"\
+            " StrictHostKeyChecking no"\
+            >> $HOME/.ssh/config
+fi