phaneesh

import hudson.model.*
  
Hudson.instance.items.each { 
  println(it.name) 
  def builds = Jenkins.instance.getItemByFullName(it.name).builds
  if(builds.size() > 3) {
  	def toBeDeleted = builds.subList(3, builds.size())
    toBeDeleted.each { 
    	println("\t" +it.number) 
    	it.delete()

phaneesh

#!/usr/bin/env bash
HDP_INSTALL_PATH=/usr/hdp/2.5.5.0-157
cd /tmp
wget http://redrockdigimark.com/apachemirror/phoenix/apache-phoenix-4.12.0-HBase-1.1/bin/apache-phoenix-4.12.0-HBase-1.1-bin.tar.gz
tar -xvf apache-phoenix-4.12.0-HBase-1.1-bin.tar.gz
cp -r apache-phoenix-4.12.0-HBase-1.1-bin ${HDP_INSTALL_PATH}/apache-phoenix-4.12.0
PHOENIX_INSTALL_DIR=${HDP_INSTALL_PATH}/apache-phoenix-4.12.0
chmod -R 755 ${PHOENIX_INSTALL_DIR}
rm -rf apache-phoenix-4.12.0-HBase-1.1-bin.tar.gz
rm -rf apache-phoenix-4.12.0-HBase-1.1-bin

phaneesh

from __future__ import print_function
import requests
from bs4 import BeautifulSoup
import xlrd
import shutil
import os
import codecs

page = requests.get("https://www.rbi.org.in/Scripts/bs_viewcontent.aspx?Id=2009")

phaneesh

#!/usr/bin/env bash
HDP_VERSION=2.6.5.0-292
hdfs dfs -put /usr/hdp/${HDP_VERSION}/apache-tez-0.9.1/share/tez.tar.gz /hdp/apps/${HDP_VERSION}/tez/
hdfs dfs -chown -R hdfs:hadoop /hdp
hdfs dfs -chmod -R 555 /hdp/apps/${HDP_VERSION}/tez
hdfs dfs -chmod -R 444 /hdp/apps/${HDP_VERSION}/tez/tez.tar.gz

phaneesh

Steps to restart NameNode HA with zero downtime

• Failover to secondary namenode

$ sudo -u hdfs hdfs haadmin -failover nn1 nn2

• Restart nn1 from Ambari
• Failover again to secondary namenode

$ sudo -u hdfs hdfs haadmin -failover nn2 nn1

phaneesh

/dev/sdb1 /data/hdp01  xfs  defaults,noatime,nodiratime,nobarrier  1 2
/dev/sdc1 /data/hdp02  xfs  defaults,noatime,nodiratime,nobarrier  1 2

phaneesh

log4j.appender.cmd-logger=org.apache.log4j.RollingFileAppender
log4j.appender.cmd-logger.append=true
log4j.appender.cmd-logger.layout=org.apache.log4j.PatternLayout
log4j.appender.cmd-logger.layout.ConversionPattern=%d{ISO8601} [%t] %-5p %c - %m%n
log4j.appender.cmd-logger.File=/var/log/rundeck/command.log
log4j.appender.cmd-logger.rollingPolicy=org.apache.log4j.rolling.TimeBasedRollingPolicy
log4j.appender.cmd-logger.rollingPolicy.ActiveFileName=/var/log/rundeck/command.log
log4j.appender.cmd-logger.rollingPolicy.FileNamePattern=/var/log/rundeck/command-%d{yyyy-MM-dd}.log
log4j.appender.cmd-logger.MaxBackupIndex=7

phaneesh

import hudson.model.*
import hudson.maven.MavenModuleSet  
import hudson.tasks.*
  
Hudson.instance.items.each { 
  if(it instanceof MavenModuleSet) {
    if(it.getBuildDiscarder() != null && it.getBuildDiscarder() instanceof LogRotator) {
        def l = new LogRotator(365,-1,-1,-1)
        it.setBuildDIscarder(l)
  	}

phaneesh

                    import hudson.model.*
import hudson.maven.MavenModuleSet  
import hudson.tasks.*
import hudson.plugins.git.GitSCM
//List valid branches that can be built  
def validBranches = ["develop","master"]
Hudson.instance.items.each { 
  if(it.getScm() instanceof GitSCM) {
    Set branchNames = []
    it.getScm().getBranches().each { b -> 

phaneesh

import jenkins.model.*
Jenkins.instance.getAllItems(AbstractProject.class)
    .each {
      try {
        println("Wiping workspace for "+it.fullName)
        it.doDoWipeOutWorkspace()
      } catch(Exception e) {
        println("Error wiping workspace for "+it.fullName)
      }
    }