sprusty
NeophyteJoined 3 years ago
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Neophyte
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Re: Groovy script failing for alinux server
The script : import com.jcraft.jsch.JSch import com.santaba.agent.util.Settings import java.text.SimpleDateFormat import static groovy.io.FileType.FILES import static groovy.io.FileVisitResult.* import groovy.time.TimeCategory import groovy.json.* host = hostProps.get("system.hostname") user = hostProps.get("ssh.user") pass = hostProps.get("ssh.pass") port = hostProps.get("ssh.port")?.toInteger() ?: 22 cert = hostProps.get("ssh.cert") ?: '~/.ssh/id_rsa' timeout = 15000 // timeout in milliseconds def date = new Date() //Get Current date stamp def sdf = new SimpleDateFormat("MM/dd/yyyy HH:mm:ss") //format the date for later use in the event generation def _outArray = [] command = ("ps H -u mqm | wc -l") def command_output = getCommandOutput(command) //run the command on the host command_output = command_output.trim() //the output is in string format and has multiple blnk lines, clean up blanks command_output.eachLine //for each of the lines in the command output { line -> int _line = line as int //convert output to integer, this is the file count of older files if any exists if (_line>19000){ //if there are older files println _line } else{ println _line } } return 0; /////////////////////////////////////////// //////////////////////////////////////////// // DO NOT Change anything below this line /////////////////////////////////////////// //////////////////////////////////////////// /** * Helper method which handles creating JSCH session and executing commands * @return */ def getCommandOutput(String input_command) { try { // instantiate JSCH object. jsch = new JSch() // do we have an user and no pass ? if (user && !pass) { // Yes, so lets try connecting via cert. jsch.addIdentity(cert) } // create session. session = jsch.getSession(user, host, port) // given we are running non-interactively, we will automatically accept new host keys. session.setConfig("StrictHostKeyChecking", "no"); String authMethod = Settings.getSetting(Settings.SSH_PREFEREDAUTHENTICATION, Settings.DEFAULT_SSH_PREFEREDAUTHENTICATION); session.setConfig("PreferredAuthentications", authMethod); // set session timeout, in milliseconds. session.setTimeout(timeout) // is host configured with a user & password? if (pass) { // set password. session.setPassword(pass); } // connect session.connect() // execute command. channel = session.openChannel("exec") channel.setCommand(input_command) // collect command output. def commandOutput = channel.getInputStream() channel.connect() def output = commandOutput.text; // disconnect channel.disconnect() return output } catch (Exception e) { e.printStackTrace() } // ensure we disconnect the session. finally { session.disconnect() } } the error in debug mode: $ !groovy Error when executing the script - output: exception:Cannot invoke method trim() on null object java.lang.NullPointerException: Cannot invoke method trim() on null object at org.codehaus.groovy.runtime.NullObject.invokeMethod(NullObject.java:91) at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:47) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) at org.codehaus.groovy.runtime.callsite.NullCallSite.call(NullCallSite.java:34) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:120) at Script759.run(Script759.groovy:20) at com.santaba.agent.util.GroovyScriptShell.execute(GroovyScriptShell.java:126) at com.santaba.agent.util.GroovyScriptExecutor.execute(GroovyScriptExecutor.java:129) at com.santaba.agent.debugger.GroovyTask._executeInAgent(GroovyTask.java:207) at com.santaba.agent.debugger.GroovyTask._handle(GroovyTask.java:186) at com.santaba.agent.debugger.DebugTask.run(DebugTask.java:165) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:829)0Views1like0Comments