Added load ssh private key tool

Author: Vladislav Navrocky

Dockerfile

@@ -4,3 +4,4 @@ RUN apk add bash git curl sshpass openssh-client gettext && \
     curl -sSL https://raw.githubusercontent.com/tests-always-included/mo/c86fd9a89b14471d1a4e3cdfd2c4483a26f89379/mo -o /usr/local/bin/mo && \
     chmod +x /usr/local/bin/mo
 
+COPY load_ssh_private_key /usr/local/bin

README.md

@@ -10,5 +10,21 @@ Features:
   * mo (mustache templates written in bash https://github.com/tests-always-included/mo)
   * sshpass
   * openssh-client
+  * load_ssh_private_key
 
 This image can be usefull in Gitlab CI where impossible to prepare and cache docker image for builds.
+
+## load_ssh_private_key tool
+
+Loads provided SSH private key with `ssh-agent`. This tool is useful for deploying artifacts to the remote host with `ssh`.
+
+Usage:
+```
+load_ssh_private_key ${SSH_PRIVATE_KEY}
+```
+
+or
+```
+export SSH_PRIVATE_KEY="xxx"
+load_ssh_private_key
+```

load_ssh_private_key

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+SSH_PRIVATE_KEY=${SSH_PRIVATE_KEY:-$1}
+
+if [ -z "${SSH_PRIVATE_KEY}" ]; then
+    echo "Usage: load_ssh_private_key <SSH_PRIVATE_KEY>"
+    exit 1
+fi
+
+eval $(ssh-agent -s)
+echo "${SSH_PRIVATE_KEY}" | tr -d '\r' | ssh-add -
+mkdir -p ~/.ssh
+chmod 700 ~/.ssh
+echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config