Bug 8208 - bare metal provisioning

get DHCP entry state from DHCP server

api/src/com/cloud/agent/api/baremetal/InvestigateDhcpEntryAnswer.java

@@ -7,6 +7,7 @@ public class InvestigateDhcpEntryAnswer extends Answer {
 	String mac;
 	String ip;
 	String state;
+	int resultCode;
 	
 	public String getMac() {
 		return mac;
@@ -20,11 +21,16 @@ public class InvestigateDhcpEntryAnswer extends Answer {
 		return state;
 	}
 	
-	public InvestigateDhcpEntryAnswer(Command cmd, boolean success, String details) {
+	public int getResultCode() {
+		return resultCode;
+	}
+	
+	public InvestigateDhcpEntryAnswer(Command cmd, boolean success, String details, int code) {
 		super(cmd, success, details);
 		InvestigateDhcpEntryCommand icmd = (InvestigateDhcpEntryCommand)cmd;
 		mac = icmd.getMac();
 		ip = icmd.getIp();
 		state = icmd.getState();
+		resultCode = code;
 	}
 }

api/src/com/cloud/agent/api/baremetal/IpmISetBootDevCommand.java

@@ -0,0 +1,27 @@
+package com.cloud.agent.api.baremetal;
+
+import com.cloud.agent.api.Command;
+
+public class IpmISetBootDevCommand extends Command {	
+	public enum BootDev {
+		pxe(),
+		disk(),
+		cdrom(),
+	}
+	
+	BootDev bootDev;
+		
+	public BootDev getBootDev() {
+		return bootDev;
+	}
+	
+	public IpmISetBootDevCommand(BootDev dev) {
+		bootDev = dev;
+	}
+	
+	@Override
+	public boolean executeInSequence() {
+		return true;
+	}
+
+}

api/src/com/cloud/agent/api/baremetal/LinMinProvisionDoneCommand.java

@@ -0,0 +1,21 @@
+package com.cloud.agent.api.baremetal;
+
+import com.cloud.agent.api.Command;
+
+public class LinMinProvisionDoneCommand extends Command {
+	String mac;
+	
+	public LinMinProvisionDoneCommand(String mac) {
+		this.mac = mac;
+	}
+	
+	public String getMac() {
+		return mac;
+	}
+	
+	@Override
+	public boolean executeInSequence() {
+		return true;
+	}
+
+}

scripts/network/exdhcp/prepare_dnsmasq.sh

@@ -27,15 +27,48 @@ touch /var/log/dnsmasq.log
 [ $? -ne 0 ] && exit_with_error "touch /var/log/dnsmasq.log failed"
 touch /etc/dnsmasq-resolv.conf
 [ $? -ne 0 ] && exit_with_error "touch /etc/dnsmasq-resolv.conf failed"
+touch /var/lib/dnsmasq.trace
+[ $? -ne 0 ] && exit_with_error "touch /var/lib/dnsmasq.trace failed"
+
 
 #produce echoer.sh
 cat > /usr/bin/echoer.sh<<'EOF'
 #!/bin/sh
 
+sed -i /"$*"/d /var/lib/dnsmasq.trace
 echo "$*" >> /var/lib/dnsmasq.trace
 EOF
 [ $? -ne 0 ] && exit_with_error "can't produce /usr/bin/echoer.sh"
 
+#produce lease_checker.sh
+cat > /usr/bin/lease_checker.sh<<'EOF'
+#!/bin/sh
+# Usage: lease_checker dhcp_entry_state(add/old/del) mac ip
+state=$1
+mac=$2
+ip=$3
+
+exit_with_error() {
+	echo $1
+	exit $2
+}
+
+[ $# -ne 3 ] && exit_with_error "Wrong arguments.Usage: lease_checker dhcp_entry_state(add/old/del) mac ip" -3
+
+[ -f /var/lib/dnsmasq.trace ] || exit_with_error "Cannot find /var/lib/dnsmasq" -1
+pidof dnsmasq &>/dev/null
+[ $? -ne 0 ] && exit_with_error "Dnsmasq is not running" -2
+
+grep "$state $mac $ip" /var/lib/dnsmasq.trace
+if [ $? -ne 0 ]; then
+	exit $?
+else
+	sed -i /"$state $mac $ip"/d /var/lib/dnsmasq.trace
+	exit 0
+fi
+
+EOF
+
 chmod +x /usr/bin/echoer.sh
 [ $? -ne 0 ] && exit_with_error "chmod +x /usr/bin/echoer.sh failed"
 

utils/src/com/cloud/utils/SerialVersionUID.java

@@ -59,4 +59,5 @@ public interface SerialVersionUID {
     public static final long ResourceUnavailableException = Base | 0x1f;
     public static final long ConnectionException = Base | 0x20;
     public static final long PermissionDeniedException = Base | 0x21;
+    public static final long sshException = Base | 0x22;
 }

utils/src/com/cloud/utils/ssh/SSHCmdHelper.java

@@ -43,17 +43,36 @@ public class SSHCmdHelper {
 	
 	public static boolean sshExecuteCmd(com.trilead.ssh2.Connection sshConnection, String cmd, int nTimes) {
 		for (int i = 0; i < nTimes; i ++) {
+			try {
 				if (sshExecuteCmdOneShot(sshConnection, cmd))
 					return true;
+			} catch (sshException e) {
+				continue;
+			}
 		}
 		return false;
 	}
 	
+	public static int sshExecuteCmdWithExitCode(com.trilead.ssh2.Connection sshConnection, String cmd) {
+		return sshExecuteCmdWithExitCode(sshConnection, cmd, 3);
+	}
+	
+	public static int sshExecuteCmdWithExitCode(com.trilead.ssh2.Connection sshConnection, String cmd, int nTimes) {
+		for (int i = 0; i < nTimes; i ++) { 
+			try {
+				return sshExecuteCmdOneShotWithExitCode(sshConnection, cmd);
+			} catch (sshException e) {
+				continue;
+			}
+		}
+		return -1;
+	}
+	
 	public static boolean sshExecuteCmd(com.trilead.ssh2.Connection sshConnection, String cmd) {
 		return sshExecuteCmd(sshConnection, cmd, 3);
 	}
 	
-	public static boolean sshExecuteCmdOneShot(com.trilead.ssh2.Connection sshConnection, String cmd) {
+	public static int sshExecuteCmdOneShotWithExitCode(com.trilead.ssh2.Connection sshConnection, String cmd) throws sshException {
 		s_logger.debug("Executing cmd: " + cmd);
 		Session sshSession = null;
 		try {
@@ -63,7 +82,7 @@ public class SSHCmdHelper {
 			Thread.sleep(1000);
 
 			if (sshSession == null) {
-				return false;
+				throw new sshException("Cannot open ssh session");
 			}
 			
 			sshSession.execCommand(cmd);
@@ -75,7 +94,7 @@ public class SSHCmdHelper {
 			byte[] buffer = new byte[8192];
 			while (true) {
 				if (stdout == null || stderr == null) {
-					return false;
+					throw new sshException("stdout or stderr of ssh session is null");
 				}
 				
 				if ((stdout.available() == 0) && (stderr.available() == 0)) {
@@ -108,21 +127,17 @@ public class SSHCmdHelper {
 			s_logger.debug(cmd + " output:" + new String(buffer));
 			
 			Thread.sleep(1000);
-			if (sshSession.getExitStatus() != 0) {
-				return false;
-			}
-			
-			return true;
-		} catch (IOException e) {
-			s_logger.debug("Executing cmd: " + cmd + " failed, due to: " + e.toString());
-			return false;
-		} catch (InterruptedException e) {
-			return false;
+			return sshSession.getExitStatus();
 		}  catch (Exception e) {
-			return false;
+			s_logger.debug("Ssh executed failed", e);
+			throw new sshException("Ssh executed failed " + e.getMessage());
 		}	finally {
 			if (sshSession != null)
 				sshSession.close();
 		}
 	}
+	
+	public static boolean sshExecuteCmdOneShot(com.trilead.ssh2.Connection sshConnection, String cmd) throws sshException {
+		return sshExecuteCmdOneShotWithExitCode(sshConnection, cmd) == 0;
+	}
 }

utils/src/com/cloud/utils/ssh/sshException.java

@@ -0,0 +1,10 @@
+package com.cloud.utils.ssh;
+
+import com.cloud.utils.SerialVersionUID;
+
+public class sshException extends Exception {
+	 private static final long serialVersionUID = SerialVersionUID.sshException;
+	 public sshException(String msg) {
+		 super(msg);
+	 }
+}