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CHANGELOG.md

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Changelog

1.2.4 (2016-07-20)

API

  • New client interface in Swarm, to differentiate from Swarm mode in Docker 1.12
  • Update minimum Docker Engine version supported by Swarm to 1.8
  • Additional error handling
  • Code refactoring

Networking

  • Fix concurrent map writes race condition
  • Refresh single network when network event is emitted (performance improvement)
  • Avoid network refresh when creating container (performance improvement)

Volumes

  • Refresh single volume when volume event is emitted (performance improvement)
  • Avoid volume refresh when creating container (performance improvement)

Events

  • Support daemon events for Swarm

Test

  • Fix leader election tests
  • Fix rescheduling test

Mesos

  • Fix double locking issue

Misc

  • Handle systime difference between Swarm and Engines
  • Add healthcheck information to CLI
  • Fix engine_reconnect issue that led to reconnected engine being treated as new

1.2.3 (2016-05-25)

API

  • Update engine-api vendoring (supports new functions and signatures)
  • Fix registry auth bug for image pulls

1.2.2 (2016-05-05)

Cluster management

  • Fix deadlock that causes Swarm to hang

1.2.1 (2016-05-03)

Scheduler

  • Add containerslots filter to allow user to limit container number on a node

API

  • Use engine-api to handle large number of API calls
  • Update ContainerConfig to embed HostConfig and NetworkingConfig
  • stop/restart/kill a non-existent container should return 500 rather than 404
  • Return an error when assertion fails in hijack
  • Return an error when Image Pull fails
  • Fix image pull bug (wait until download finishes)
  • Fix and document some api response status codes
  • Add NodeID in docker info
  • Support docker ps --filter by volume

Build

  • Move dependencies to vendor/
  • Update Image Pull to use docker/distribution package
  • Convert docs Dockerfiles to use docs/base:oss

Test

  • Fix api/ps tests
  • Update api/stats test to prevent timeout on master branch
  • Use --cpu-shares instead of -c in integration test

Misc

  • Documentation clean up
  • Close http response body to avoid potential memory leak
  • Switch context.TODO() to context.Background() to enable context setting

1.2.0 (2016-04-13)

Scheduler

  • Move rescheduling out of experimental
  • Differentiate constraint errors from affinity errors
  • Printing unsatisfiable constraints for container scheduling failure
  • Enable rescheduling on master manager to prevent replica managers from rescheduling containers
  • Output error when starting a rescheduled container fails, and when removing container fails at node recovery
  • Validate cluster swarm.overcommit option

API

  • Introduce engine-api client to Swarm
  • Implement 'info' and 'version' with engine-api
  • Use apiClient for some volume, network, image operations
  • Print engine version in Info
  • Fix swarm api response status code
  • Support ps node filter
  • Fix HostConfig for /start endpoint
  • Print container 'created' state at ps
  • Update dockerclient to get labels on volumes, networks, images
  • Support private images, labels and other new flags in docker build
  • Select apiClient version according to node docker version

Node management

  • Prevent crash on channel double close
  • Manager retries EventMonitoring on failure.
  • Docker engine updates hostname/domainname
  • Force inspect for containers in Restarting state.
  • Increase max thread count to 50k to accommodate large cluster or heavy workload
  • Force to validate min and max refresh interval to be positive
  • Skip unstable tests from Docker bug 14203
  • Fix race condition between node removal from discovery and scheduler
  • Fix data race with node failureCount
  • Display warning message if an engine has labels with "node=xxx"

Discovery

  • Remove parameter which is not used in createDiscovery
  • Fix Consul leader election failure on multi-server

Mesos integration

  • Support rescind offer in swarm
  • Update mesos tests

Misc

  • Update golang version to 1.5.4
  • Skip redundant endpoints in "network inspect"
  • Validate duration flags:--delay, --timeout, --replication-ttl
  • Fix image matching via id
  • Make port 0 invalid as listening port
  • Improve volume inspect test
  • Add read lock for eventsHandler when only it is necessary

1.1.3 (2016-03-03)

  • Fix missing HostConfig for rescheduled containers
  • Fix TCP connections leak
  • Support docker run --net <node>/<network> ...
  • Fix CORS issue in the API

1.1.2 (2016-02-18)

  • Fix regression with Docker Compose

1.1.1 (2016-02-17)

  • Performance improvements around networking with Docker engine 1.10
  • Fix reschedule issue regarding events
  • Implement engine refresh backoff strategy for failing nodes

1.1.0 (2016-02-04)

Scheduler

  • Add support for container rescheduling on node failure. (experimental)
  • Use failureCount as a secondary health indicator
  • Add swarm container create retry option
  • Fixed the way soft affinities and handled

API

  • Support private registry on docker run
  • Expose error and last update time in docker info
  • Sort images by Created
  • Fix error when inspect on unhealthy node
  • Prevent panic in filters when container has no name
  • Add buildtime, kernelversion and experimental to API version
  • Support docker update and new networking related flags in run & network create/connect/disconnect/ls
  • Require --all on docker ps to display containers on unhealthy nodes
  • Retry on docker events EOF

Node Management

  • Add a random delay to avoid synchronized registration at swarm join
  • Use engine connection error to fail engine fast
  • Introduce pending state

Mesos integration

  • Rename slave to agent
  • Upgrade tests to use mesos 0.25
  • Code refactors
  • Improve debug output
  • Enable checkpoint failover in FrameworkInfo
  • Fix timeout when pulling images
  • Add timeout to refuse offers
  • Fix double start issue

Misc

  • Fix license grant
  • Documentation update
  • Use discovery from docker/docker

1.0.1 (2015-12-09)

Scheduler

  • Set labels for pending containers to fix scheduler failure

Discovery

  • Increase default TTL and heartbeat values to reduce traffic to discovery

API

  • Fix 'ps -a' panic issue
  • Fix network connect/disconnect for overlay network
  • Fix connection leak on TLS connections
  • Fix CLI hang on events command
  • Fix newline issue with events
  • Improve OPTIONS handler
  • Fix image digest
  • Fix memoryswappiness default value
  • Enable profiling for HTTP in debug mode

Node Update

  • Provide options on swarm node update frequency

Mesos integration

  • Change offers timeout default to prevent other frameworks starvation
  • Improve error output for bad swarm mesos user
  • Fix connection failure when using Mesos with ZooKeeper

Misc

  • Update to Go 1.5.2
  • Documentation update

1.0 (2015-10-13)

Scheduler

  • Swarm is now pulling Images in parallel after the scheduling decision has been made, which mitigates the error happening occasionally with Docker pulls blocking the entire scheduler.

General stability

  • The Node refresh loop process has been improved and does not yield to a panic when removing an Engine and trying to refresh the state at the same time.
  • The refresh loop has been randomized to better handle huge scale scenarios (> 1000 nodes) where a refresh burst could occur and make the Manager unstable/fail.
  • General improvements and fixes for the Mesos experimental backend for swarm.

Integration with libnetwork / Support for overlay networking

  • It is now possible to use the new networking features with Swarm through the network sub-system. Commands like docker network create, docker network attach and docker network ls are now available through swarm.

Integration with Docker Volume Plugins

  • You can now use the docker volume plugin subsystem available with docker volume.

Leader Election

  • You can now specify the --replication-ttl flag to control how long it takes for Replicas to be notified of the Primary failure and take over the lead.

TLS

  • This is now possible to use TLS with discovery for consul and etcd using the new --discovery-opt flag.

0.4 (2015-08-04)

Scheduler

  • Reschedule with soft affinity when image cannot be pulled

Store

  • Replace the store pkg by libKV
  • Fixes about consul/etcd and zookeeper

API

  • Fix docker push name matching
  • Fix docker exec status code
  • Fix docker pull status code

Docker Engine Compatibility

  • Improve docker info with docker client 1.7.x
  • Add SystemTime, http_proxy, https_proxy and no_proxy to docker info

Mesos integration

  • Task creation timeout configurable
  • Fix issue with hostname in library image
  • Use 'docker_port' attribute if available
  • Add support for random ports

Misc

  • Add doc on leader election / high availability of swarm manager
  • Lots of typos/improvements to the doc
  • Switch to golang 1.4