runtime/org.argeo.slc.support.simple/src/main/java/org/argeo/slc/lib/linux/DeployLxcContainer.java

   1 package org.argeo.slc.lib.linux;
   2
   3 import java.io.File;
   4
   5 import javax.security.auth.callback.CallbackHandler;
   6
   7 import org.argeo.slc.SlcException;
   8 import org.argeo.slc.core.execution.tasks.SystemCall;
   9 import org.springframework.core.io.ClassPathResource;
  10 import org.springframework.core.io.Resource;
  11
  12 /** Deploy and initialize an LXC container. */
  13 public class DeployLxcContainer implements Runnable {
  14
  15         private String chroot;
  16
  17         private Resource hostScript = new ClassPathResource(
  18                         "/org/argeo/slc/lib/linux/lxc-init-host.sh", getClass()
  19                                         .getClassLoader());
  20         private Resource guestScript = new ClassPathResource(
  21                         "/org/argeo/slc/lib/linux/lxc-init-guest.sh", getClass()
  22                                         .getClassLoader());;
  23
  24         private CallbackHandler callbackHandler;
  25
  26         private Integer ram = 1024;
  27         private Integer vcpu = 2;
  28
  29         @Override
  30         public void run() {
  31                 if (chroot == null || chroot.trim().equals(""))
  32                         throw new SlcException("A chroot directory must be defined");
  33
  34                 File chrootDir = new File(chroot);
  35                 chrootDir.mkdirs();
  36
  37                 ScriptCall hostCall = new ScriptCall(hostScript);
  38                 hostCall.setLogCommand(true);
  39                 hostCall.arg(chroot);
  40                 // hostCall.getEnvironmentVariables().put("CHROOT", chroot);
  41                 hostCall.setSudo("");
  42                 hostCall.setCallbackHandler(callbackHandler);
  43                 hostCall.run();
  44
  45                 ScriptCall guestCall = new ScriptCall(guestScript);
  46                 guestCall.setLogCommand(true);
  47                 guestCall.setSudo("");
  48                 guestCall.setCallbackHandler(callbackHandler);
  49                 guestCall.setChroot(chroot);
  50                 guestCall.run();
  51
  52                 SystemCall virtInstall = new SystemCall(
  53                                 "virt-install --connect lxc:/// --name " + chrootDir.getName()
  54                                                 + " --ram " + ram + " --vcpu " + vcpu
  55                                                 + " --filesystem " + chrootDir.getAbsolutePath()
  56                                                 + ",/ --noautoconsole");
  57                 virtInstall.setLogCommand(true);
  58                 virtInstall.setSudo("");
  59                 virtInstall.run();
  60         }
  61
  62         public void setChroot(String chroot) {
  63                 this.chroot = chroot;
  64         }
  65
  66         public void setHostScript(Resource hostScript) {
  67                 this.hostScript = hostScript;
  68         }
  69
  70         public void setGuestScript(Resource guestScript) {
  71                 this.guestScript = guestScript;
  72         }
  73
  74         public void setCallbackHandler(CallbackHandler callbackHandler) {
  75                 this.callbackHandler = callbackHandler;
  76         }
  77
  78         public void setRam(Integer ram) {
  79                 this.ram = ram;
  80         }
  81
  82         public void setVcpu(Integer vcpu) {
  83                 this.vcpu = vcpu;
  84         }
  85
  86 }