Export splunk apps out of docker containers

export-splunk-apps.sh

function get_container_id {
  name="${1?needs one argument}"
  containerId=$(docker ps | awk -v app="$name" '$2 ~ app{print $1}')
  if [[ -n "$containerId" ]]; then
    echo ${containerId}
  else
    echo "No docker container with name: $name is running"
  fi
}

function package_app {
  containerName="${1?needs one argument}"
  appName="${2?needs one argument}"
  containerId=$(get_container_id ${containerName})
  SPLUNK_USERNAME=admin
  SPLUNK_PASS=changeme
  docker exec -it ${containerId} /bin/bash -c "/opt/splunk/bin/splunk package app ${appName} -auth ${SPLUNK_USERNAME}:${SPLUNK_PASS} "
}

function docker_copy_out {
  containerName="${1?needs one argument}"
  sourcePath="${2?needs one argument}"
  destPath="${3?needs one argument}"
  containerId=$(get_container_id ${containerName})
  echo "About to copy: ${containerId}:${sourcePath} ${destPath} "
  docker cp ${containerId}:${sourcePath} "${destPath}"
}

export SPLK_PKG=/opt/splunk/etc/system/static/app-packages
export GIT_APPS="/Users/tmuth/Box Sync/Git/demo-dbconnect/dbconnect/apps/"

alias get-orcl-mon-app='docker_copy_out dbx ${SPLK_PKG}/oracle_monitoring.spl "${GIT_APPS}"'
alias get-dbx-demo-app='docker_copy_out dbx ${SPLK_PKG}/dbx_demo.spl "${GIT_APPS}"'
alias package-apps='package_app dbx oracle_monitoring;package_app dbx dbx_demo;get-orcl-mon-app;get-dbx-demo-app'

For anyone working on demos or apps in docker that wants to export them regularly, here are my helper functions from my bash_profile to package 2 apps running inside a docker container, then copy them out to the host file system (so I can commit to git).