Jenkins : Public Change Log

Version 1.46 (September 25, 2019)

  • Configure release drafter and Dependabot
  • JENKINS-25106 - Support for minimum number of instances
  • JENKINS-58578 - Force private IP also for public subnets
  • JENKINS-59459 - Restore backward compatibility for connection strategy

Version 1.45 (August 9, 2019)

Breaking change !!  - A new permission is needed in the iam role (see IAM Setup Section), if you want to launch Windows Agents and use a Generated Admin Password.

  • Role permission has to be extended with:
    Effect": "Allow",
    "Action": [
    "Resource": "*"
  • JENKINS-53952 - Wait for spot instances to get an instance id

  • JENKINS-57215 - Fix stale uptime in EC2RetentionStrategy

  • JENKINS-53322 - Cross-version dom4j compatibility tweaks

  • Fix reconfiguration - Make sure templateDescription is preserved when reconfiguring a node

  • Fix - Only check credentials once a minute

  • Fix - Close stdin streams once shell is deleted

  • Fix - workdir on windows

  • Add - support for retrieving the windows password admin automatically

  • Add - t3a instance support

  • Update dependecies
  • Clean up code

Version 1.44 (June 24, 2019)

Version 1.43 (May 9, 2019)

  • JENKINS-8618 - Maximum builds on slave
  • JENKINS-54329 - User able to choose slave connection strategy
    • WARNING: This might imply some changes in the address used to connect to the EC2 slave.
  • JENKINS-51526 - Clone AMI's Root Block device
  • JENKINS-54536 - Allow all T3 types
  • JENKINS-56443 - Don't provision nodes if Jenkins is shutting down

Version 1.42.1 (July 3, 2019)

Version 1.41.1 (July 3, 2019)

Version 1.44.1 (June 27, 2019)

Version 1.44 (June 24, 2019)

  • JENKINS-55203 - Do not log private key material (security advisory)

  • Lock refactoring , reduce lock Hotness

  • Discard stale connections

  • Fix JCasC compatibility

  • Fix transient clock object
  • Add SMB2 Support, for copying class
  • Code clean up
  • Fix windows tmpdir and quote appropriate arguments

  • Add remoting workdir

  • Add M5a instance support and fix M4

  • Reduced call to  internalCheck in EC2RetentionStrategy

  • Rename slave to remoting or agent

  • JENKINS-56907 - Query AMI for platform before checking spot price

Version 1.43 (May 9, 2019)

  • Use secretTextarea for private keys

  • Use a proper display name instead of the instance ID

  • Fallback to on-demand when there is no spot instance capacity

  • Allow launching spot instances without a bid price

  • Allow alternate ec2 endpoint for API region calls

  • Security FIX
  • JENKINS-8618 - Support maximum builds on slave

  • JENKINS-54329 - Allow user to choose slave connection strategy

  • JENKINS-57357 - Fix migration config from old configuration
  • JENKINS-56443Fix Don't provision a node if Jenkins is quieting down or terminating

  • JENKINS-54536 - Allow all T3 types

  • JENKINS-51526Clone the AMI's Root Block Device instead of making a new one from scratch

Version 1.42 (Jan 5th , 2019)

  • Added A1 instance type

  • Expose deleteRootOnTermination to set it programmatically

  • JENKINS-54041 - Fix Instance CAP calculation to exclude stopped instances

  • JENKINS-54266 - Fix Do not tag instances if no serverUrl

  • JENKINS-54315 - Fix support  properly "eventual consistency of AWS API's"

  • JENKINS-53858Fix deadlock

  • JENKINS-48548 - Add T2 Unlimited Support

  • JENKINS-54271 - Fix Missing display name for administrative monitor

Version 1.41 (Oct 24th, 2018)

Breaking change !!

  • Role permission has to be extended with the :
    Effect": "Allow",
    "Action": [
    "Resource": "*"
  • The existing nodes has to be terminated due a new tag schema

Version 1.40.1 (Oct 2nd, 2018)

  • This version has problem with the option stop instance
  • #306 - FIX  JENKINS-53879  - EC2 workers terminated before connection can be established, in some envs

Version 1.40 (Oct 1st, 2018)

  • #250 - Add support for c5 and m5 instance types.
  • JENKINS-25832 - Launch multiple slaves in parallel for jobs with same node label
  • JENKINS-48979 - Race condition when setting tags
  • #259 - Make fetch time configurable via system property
  • #263 - Fix intermittent "Pipe closed" exception when communicating with WinRM protocol agent
  • #265 - Mark dependencies used only in tests as test scope
  • JENKINS-50105 - EC2 Step provisioning incorrectly specifies a label
  • JENKINS-38311 - Disconnected dynamic ec2 slaves reconnected after jenkins restart
  • #272 - Improving debug messaging for WinConnector.
  • #275 - Terminate spot instances properly
  • #276 - Start agent in cygwin friendly way
  • #280 - Add support for c5d and m5d instance types.
  • #289 - Upgrade parent pom.
  • #290 - Convert global findbugs skip to specific per class
  • #292 - Add incrementalify support.
  • JENKINS-52319 - userData field triggers an NPE when not explicitly initialized to "" (empty string)
  • JENKINS-52334 - Mode should default to NORMAL when absent
  • #294 - Introduce a ProvisionerStrategy to provision a node without delay
  • JENKINS-53285 - Use latest node-iterator-api.
  • #299 - Add Gitter chat and badge.
  • #300 - Add option for detailed monitoring of instances.
  • #301 - Fix more findbugs issues.

Version 1.39 (Mar 11, 2018)

  • JENKINS-47985 EC2 Plugin doesn't store AMITypeData in config.xml
  • JENKINS-46869 Can not register an EC2 instance as a node agent
  • JENKINS-47130 EC2 plugin 1.37 fails to provision previously defined slaves

Version 1.38 (Dec 6, 2017)

Version 1.37 (Sept 25, 2017)

  • This is a bad scary version due to: JENKINS-47130 (see above), please use 1.39 or higher instead
  • Warning:  This version introduces a bug ( JENKINS-47985 - EC2 Plugin doesn't store AMITypeData in config.xml Closed ) which drops stored passwords from Windows AMIs.  The fix has been merged to mainline and should hopefully be available when version 1.39 gets released.

Version 1.36 (Oct 2, 2016)

  • JENKINS-38481 AWS method change causes too many slaves to be launched

Version 1.33 (May 9, 2016)

  • JENKINS-34667 Provision attempt is made when possible slaves count is zero (backed out)

Version 1.32 (May 8, 2016)

Warning: Please use 1.33 instead, it has a critical fix.

  • Welcome Johnny Shields as co-maintainer!
  • JENKINS-26371 Ensure instance initiated shutdown behavior is consistent with stopOnTerminate flag
  • JENKINS-27529 Poll for spot instances instead of JNLP launcher
  • JENKINS-32588 Unable to launch linux slaves using ec2 plugin using Eucalyptus
  • JENKINS-32584 ec2-plugin counts every instance (not just Jenkins slave instances) when counting slaves; incorrectly hits slave cap
  • JENKINS-32690 Make manually provision really work
  • JENKINS-32915 Spot instance launched one after another until capacity reached for single task in queue
  • JENKINS-33945 can't provision new nodes when a matching node is marked offline
  • JENKINS-34667 Provision attempt is made when possible slaves count is zero
  • EC2UnixLauncher can survive Connection IOExceptions
  • Bootstrap retries with fresh connection
  • Many pmd/squid fixes
  • Remove AWS fault instance
  • Increase minimal supported version to 1.625.1 (to enable JDK7)
  • Use AWS credentials to manage the IAM access key
  • Applied logic to create block device mappings for both ondemand and spot slaves
  • With slaves now being fully controlled by Jenkins master, there is no longer a need to be able to set "persistent" spot bids

Version 1.31 (Jan 25, 2016)

  • JENKINS-32584 ec2-plugin counts every instance (not just Jenkins slave instances) when counting slaves; incorrectly hits slave cap

Version 1.30 (Jan 23, 2016)

  • Add config to prefer the public IP to private IP when ssh-ing into slave
  • Added common method to compute tag value and also created constants for demand and spot
  • JENKINS-27601 instance caps incorrectly calculated
  • JENKINS-23787 EC2-plugin not spooling up stopped nodes
  • Depend on the aws-java-sdk plugin to limit AWS SDK duplication
  • Upgrade AWS SDK to 1.10.26
  • Terminate instance even if ec2 node deletion failed
  • JENKINS-27260 SPNEGO for Windows in the EC2 Plugin
  • JENKINS-26493 Use new EC2 API endpoint hostnames
  • JCIFS first tries to resolve a dfs path would timeout causing a long startup delay
  • JENKINS-28754 Jenkins EC2 Plugin should show timestamp in slave logs
  • JENKINS-30284 EC2 plugin too aggressive in timing in contacting new AWS instance over SSH
  • Use AWS4SignerType instead of QueryStringSignerType
  • Add minimum timeout for windows launching
  • Better exception handling in uptime check
  • JENKINS-29851 Global instance cap not calculated for spot instances
  • JENKINS-32439 JENKINS-32439 Incorrect slave template (AMI) found when launching slave
  • Improve logging to be less verbose

Version 1.29 (Aug 2, 2015)

  • Modify sed command for Ubuntu to ignore comments
  • Add option to launch EBS optimized instances
  • Fix to not hide windows connection errors.
  • Fix confusing log message in windows launcher
  • Update AWS SDK to 1.10.0 (new instance types)
  • JENKINS-28268 - Allow ability to programmatically update AMI using Groovy

Version 1.28 (Jun 7, 2015)

  • JENKINS-26854 - Fixing 'RequestExpired'
  • Fixing instance profile credentials with 'Check AMI' and 'Check Current Spot Price' buttons
  • Masking BouncyCastle for when the system version is incompatible with the required version
  • Fix java download/install
  • Check more places where passing a null instanceID can do a search of random spot instances
  • WiP - Launch slave agent via ssh client process
  • JENKINS-24359 - Overcoming limit of one cloud per region.
  • JENKINS-27260 - SPNEGO for Windows in EC2 Plugin

Version 1.27 (Mar 30, 2015)

Version 1.26 (Jan 27, 2015)

Version 1.25 (Jan 20, 2015)

  • Make temporary directories configurable (JENKINS-26232)
  • Add immediate check for useInstanceProfileForCredentials option
  • Include new parameter in jelly's with-clauses, respect it in doFillRegions
  • Fixing zombie workers
  • Add option to obtain EC2 credentials from instance meta data service
  • Retry updating remote tags also for on-demand instances
  • Support cloud-formation compatible user-data in spot-instance slaves
  • Handle AssociatePublicIp in spot instance slaves
  • Consider only slaves for the requested label when decrementing excess Workload by number of pending spot instance slaves
  • Fix the stopping/pending message when launching a slave
  • Fix bug that caused infinite loop of NullPointerExceptions during provisioning of windows instances.
  • Fix connection to Windows slaves outside us-east-1. (JENKINS-19943)
  • Give the user a readable error message when testing the connection instead of stack trace if their credentials are incorrect. (JENKINS-24676)
  • EC2 plugin incorrectly reports current instance count (JENKINS-19845)
  • fix EC2SpotSlaves from fetching tags from a completely different instance

Version 1.24 (Aug 5, 2014)


Version 1.23 (Jun 30, 2014)

  •  Fixed critical problems in 1.22.

Version 1.22 (Jun 27, 2014)

  •  This was a bad release, not recommended. Use 1.23 instead.

Version 1.21 (Feb 28, 2014)


Version 1.20 (Nov 8, 2013)

Version 1.19 (Oct 8, 2013)

Version 1.18 (April 9, 2013)

  • Add m3.xlarge and m3.2xlarge instance types
  • Failure starting slave nodes (JENKINS-15319)
  • Tags feature is broken (JENKINS-15239)
  • EC2 Nodes which share an AMI ID get the wrong labels (JENKINS-7690)
  • Sometimes starts the wrong instance (JENKINS-15158)
  • Stopped (as opposed to terminated) slaves are counted against the active instance count for the purpose of launching; can prevent launching of instances (JENKINS-7883)
  • Upgrade aws-java-sdk dependency to 1.3.30
  • Explicitly add MIT license to all plugin code
  • Fallback a manual or timeout-based terminate to stop if terminate fails (to avoid charges)
  • Give Jenkins nodes useful names (JENKINS-15078)
  • Keep track of instances being provisioned; use this count when determining total/AMI instance caps (JENKINS-6691)
  • Bring back remoteFS in the slave configuration page
  • Let user configure node.mode for EC2 slaves

Version 1.17 (September 12, 2012)

  • Resume stopped EC2 instances (JENKINS-14884)
  • Added support for EC2 tags, VPC subnets/security groups
  • Added support for public/private DNS
  • EC2 documentation for VPC/security groups not clear (JENKINS-15149)

Version 1.16 (May 26, 2012)

Version 1.15 (May 21, 2012)

  • Stopped (as opposed to terminated) slaves are counted against the active instance count for the purpose of launching; can prevent launching of instance (JENKINS-7883)
  • Clarification and updating of help (JENKINS-12789)
  • The init script was called each time instance was connected to (JENKINS-12771)
  • EC2 slaves fail to launch when using versions prior to 1.9 (JENKINS-7219)
  • Force registration of converter (JENKINS-10118)
  • Convert to Amazon EC2 libraries(JENKINS-12539)
  • Allow non-root user name (JENKINS-5867)
  • Allow specification of security group (JENKINS-8617)
  • Add support for M1 Medium instance (JENKINS-13432)
  • Allow instances to be stopped (instead of terminated (JENKINS-12772)
  • Option to set zone as well as region for instance (JENKINS-8946)

Version 1.14 (Feb 22, 2012)

  • Fixed a typo in Tokyo region name, and added Oregon and Sao Paulo regions.

Version 1.13 (Jul 29, 2011)

Version 1.12 (Jul 19, 2011)

  • Label expressions are handled correctly (JENKINS-9773)
  • Fixed a false-positive "check AMI" validation error (JENKINS-9415)

Version 1.11 (Mar 15, 2011)

  • Fixed a bug in the form validation (JENKINS-6063)
  • Reuse the client for better resource usage (pull request).
  • SSH port is now configurable
  • Eucalyptus doesn't report the IP address right away, so we need to keep checking. (JENKINS-5851)
  • Added new Tokyo region.

Version 1.10 (Nov 7 2010)

  • Added APAC region support.

Version 1.9 (Aug 11 2010)

  • Fixed bug in backwards-compatibility of persisted configuration (JENKINS-6782)

Version 1.8 (Apr 09 2010)

  • Fixed the fatal problem in configuration persistence (JENKINS-6113)

Version 1.7 (Mar 17 2010)

Version 1.6 (Feb 15 2010)

Version 1.5 (Nov 20 2009)

  • Number of executors wasn't properly persisted (JENKINS-4906)

Version 1.4 (Aug 5 2009)

  • Jenkins does several retries on SSH logins to give sshd extra time to initialize itself (JENKINS-4119)

Version 1.3 (July 27 2009)

  • User-data can be now specified to the launching instances (JENKINS-4115)
  • # of executors can be now configured (JENKINS-4116)

Version 1.2 (Jun 18 2009)

  • Fixed the dependency issue with recent Jenkins

Version 1.1 (May 28 2009)

  • Re-implemented the instance cap so that it uses AWS API for # of instances to prevent run-away EC2 instances.
  • Improved the performance of instance launches
  • Fixed a bug where a long init script may cause Jenkins to start additional instances.
  • If the init script has run once, don't run it again when reconnecting.

Version 1.0

  • Initial release