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  1. #!/usr/bin/env bash
  2. # The MIT License
  3. #
  4. # Copyright (c) 2015, CloudBees, Inc.
  5. #
  6. # Permission is hereby granted, free of charge, to any person obtaining a copy
  7. # of this software and associated documentation files (the "Software"), to deal
  8. # in the Software without restriction, including without limitation the rights
  9. # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10. # copies of the Software, and to permit persons to whom the Software is
  11. # furnished to do so, subject to the following conditions:
  12. #
  13. # The above copyright notice and this permission notice shall be included in
  14. # all copies or substantial portions of the Software.
  15. #
  16. # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17. # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18. # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  19. # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20. # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21. # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22. # THE SOFTWARE.
  23. # Usage jenkins-slave.sh [options] -url http://jenkins SECRET SLAVE_NAME
  24. # Optional environment variables :
  25. # * JENKINS_TUNNEL : HOST:PORT for a tunnel to route TCP traffic to jenkins host, when jenkins can't be directly accessed over network
  26. # * JENKINS_URL : alternate jenkins URL
  27. if [ $# -eq 1 ]; then
  28. # if `docker run` only has one arguments, we assume user is running alternate command like `bash` to inspect the image
  29. exec "$@"
  30. else
  31. # if -tunnel is not provided try env vars
  32. if [[ "$@" != *"-tunnel "* ]]; then
  33. if [ ! -z "$JENKINS_TUNNEL" ]; then
  34. TUNNEL="-tunnel $JENKINS_TUNNEL"
  35. fi
  36. fi
  37. if [ ! -z "$JENKINS_URL" ]; then
  38. URL="-url $JENKINS_URL"
  39. fi
  40. if [ -z "$JNLP_PROTOCOL_OPTS" ]; then
  41. echo "Warning: JnlpProtocol3 is disabled by default, use JNLP_PROTOCOL_OPTS to alter the behavior"
  42. JNLP_PROTOCOL_OPTS="-Dorg.jenkinsci.remoting.engine.JnlpProtocol3.disabled=true"
  43. fi
  44. exec java $JAVA_OPTS $JNLP_PROTOCOL_OPTS -cp /usr/share/jenkins/slave.jar hudson.remoting.jnlp.Main -headless $TUNNEL $URL "$@"
  45. fi