Anders Sigfridsson ansig

I am a developer with a strong focus on Continuous Integration & Delivery, DevOps and Data Science. My primary languages are Python and Golang.

ansig / recursive_get.py

Created March 9, 2018 18:17

Recursively make get requests to a certain depth

	# -- coding: utf-8 --

	import requests
	import timeit
	from multiprocessing import Pool
	from functools import partial


	def get_result(url, depth=1):
	r = requests.get(url)

ansig / findRootCauseBuild.groovy

Last active March 23, 2018 09:19

Find root cause of a Jenkins build with a trampoline closure

	def findRootCauseRun
	findRootCauseRun = { def currentRun ->
	def upstreamRun = getUpstreamCause(currentRun)?.getUpstreamRun()
	if (upstreamRun == null) return currentRun
	findRootCauseRun.trampoline(upstreamRun)
	}
	findRootCauseRun = findRootCauseRun.trampoline()

	def getUpstreamCause(def run) {
	run.getAction(hudson.model.CauseAction.class)?.findCause(hudson.model.Cause$UpstreamCause.class)

ansig / decorator.py

Created March 3, 2018 12:05

Python decorators

	from functools import wraps


	def wrap(element):
	def decorator(func):
	@wraps(func)
	def inner(args, *kwargs):
	return "<{0}>{1}</{0}>".format(element, func(args, *kwargs))
	return inner
	return decorator

ansig / gist:9c4086ac2eac984e585ae4019ee493c0

Created February 1, 2018 09:15

How to forcibly cancel Jenkins jobs that are hanging and cannot be cancelled

	# To send cancel signal
	<JENKINS>/job/<JOB>/<BUILD>/stop

	# To send terminate signal
	<JENKINS>/job/<JOB>/<BUILD>/term

	# To send kill signal (will forcibly kill threads)
	<JENKINS>/job/<JOB>/<BUILD>/kill

ansig / sendMail.groovy

Last active September 16, 2020 15:44

Send a mail from Jenkins in Groovy Script Console

	import javax.mail.Session
	import javax.mail.Message
	import javax.mail.Transport
	import javax.mail.internet.MimeMessage
	import javax.mail.internet.InternetAddress


	def descriptor = Jenkins.instance.getDescriptor("hudson.tasks.Mailer")

	Session session = descriptor.createSession();

ansig / show-process-information.sh

Created September 12, 2017 06:23

A few utility commands to extract information about a running Unix process

	#!/usr/bin/env bash

	# Show all processes with trees

	ps axf \| less

	# Show all available information for a process

	ls -la /proc/[PID]

ansig / update-index.sh

Created September 5, 2017 06:26

Git: add execute permissions on file in repo

git update-index --chmod=+x foo.sh

ansig / jobdsl-add-secure-groovy-script-sandbox-with-configure-block.groovy

Created August 21, 2017 09:11

JobDSL: add secure Groovy script in sandbox with configure blocks

	Closure envVar(String key, String val) {
	return {
	it / 'buildWrappers' / 'EnvInjectBuildWrapper' / 'info' << {
	propertiesContent("${key}=${val}")
	}
	}
	}

	Closure secureGroovyScript(String scriptText, boolean useSandbox) {
	return {

ansig / fetch_artifact_from_nexus.sh

Created July 28, 2017 07:44

This is a Bash script for fetching artifacts from Nexus via the command line

	#!/usr/bin/env bash

	########################################################################################################
	# This is a utility script to fetch artifacts from a Nexus server. It is based on an example #
	# from Sonartype Nexus: http://blog.sonatype.com/2011/01/downloading-artifacts-from-nexus-with-bash/ #
	########################################################################################################

	set -e

	REST_PATH=/service/local

ansig / MySpringAppWithProperties.java

Created July 27, 2017 06:11

Spring app annotation config to read properties from file on default path or from parameter

	@Configuration
	@ComponentScan(basePackages = "sen.ansig.spring")
	@PropertySource("classpath:config.properties")
	@PropertySource(value = "file:${config.path:config.properties}", ignoreResourceNotFound = true)
	public class MySpringAppWithProperties {
	}