jenkins-entrypoint

#!/bin/bash

set -eo pipefail

mkdir -p ${HOME}/.ssh
# If not already present, we generate a ssh key pair to be used in the SSH connection with the agent.
if [ ! -f "${HOME}"/.ssh/id_rsa ]; then
  echo "No keys present. Creating SSH Key Pair..."
  eval `ssh-agent -s` \
    && ssh-keygen -q -t rsa -b 4096 -f "${HOME}"/.ssh/id_rsa -N "" <<< y \
    && echo "" \
    && echo "-- [[ Copy this pub ssh key to add it as a Jenkins Credential!]] --" \
    && echo "" \
    && cat "${HOME}"/.ssh/id_rsa.pub \
    && echo "" \
    && echo "^^^ This pub key should be added to the SSH Agent and to the ACSF job with jenkins username ^^^"
fi

# We append jenkins pub key as entry in the authorized_keys.
cat ${HOME}/.ssh/id_rsa.pub > "${HOME}"/.ssh/authorized_keys

# We check if keys are not already present, if not, we add them to known hosts.
#ssh-keygen -R jenkins.ssh-agent
HOSTS=("jenkins.ssh-agent" "jenkins.qa-agent-1" "jenkins.qa-agent-2" "jenkins.qa-agent-3" "jenkins.qa-agent-4")
for h in "${HOSTS[@]}"
do
  if [[ "" == $(ssh-keygen -H -F "$h") ]]; then

    echo "Key is not present! Adding remote machine ($h) to known_hosts";
    ssh-keyscan -H $h >> ${HOME}/.ssh/known_hosts

 else

   echo "Nothing to do, $h is already in known_hosts file :)"

 fi
   # ssh-keygen -R $h
   # echo "$h was removed from knonw_hosts"
done

# Add github.com key to known hosts
if [[ "" == $(ssh-keygen -H -F github.com)  ]]; then
  echo "Github rsa key not present, adding it to known hosts."
  ssh-keyscan -H github.com >> ${HOME}/.ssh/known_hosts
else
  echo "Nothing to do, github.com is already in known_hosts file :)"
fi

echo "Launching Jenkins..."
# We finally run the original script.
/usr/local/bin/jenkins.sh