Kubernetes Blog

Friday, May 15, 2015

Kubernetes Release: 0.17.0

Release Notes:

• Cleanups

  • Remove old salt configs #8065 (roberthbailey)
  • Kubelet: minor cleanups #8069 (yujuhong)

• v1beta3

  • update example/walkthrough to v1beta3 #7940 (caesarxuchao)
  • update example/rethinkdb to v1beta3 #7946 (caesarxuchao)
  • verify the v1beta3 yaml files all work; merge the yaml files #7917 (caesarxuchao)
  • update examples/cassandra to api v1beta3 #7258 (caesarxuchao)
  • update service.json in persistent-volume example to v1beta3 #7899 (caesarxuchao)
  • update mysql-wordpress example to use v1beta3 API #7864 (caesarxuchao)
  • Update examples/meteor to use API v1beta3 #7848 (caesarxuchao)
  • update node-selector example to API v1beta3 #7872 (caesarxuchao)
  • update logging-demo to use API v1beta3; modify the way to access Elasticsearch and Kibana services #7824 (caesarxuchao)
  • Convert the skydns rc to use v1beta3 and add a health check to it #7619 (a-robinson)
  • update the hazelcast example to API version v1beta3 #7728 (caesarxuchao)
  • Fix YAML parsing for v1beta3 objects in the kubelet for file/http #7515 (brendandburns)
  • Updated kubectl cluster-info to show v1beta3 addresses #7502 (piosz)

• Kubelet

  • kubelet: Fix racy kubelet tests. #7980 (yifan-gu)
  • kubelet/container: Move prober.ContainerCommandRunner to container. #8079 (yifan-gu)
  • Kubelet: set host field in the pending pod status #6127 (yujuhong)
  • Fix the kubelet node watch #6442 (yujuhong)
  • Kubelet: recreate mirror pod if the static pod changes #6607 (yujuhong)
  • Kubelet: record the timestamp correctly in the runtime cache #7749 (yujuhong)
  • Kubelet: wait until container runtime is up #7729 (yujuhong)
  • Kubelet: replace DockerManager with the Runtime interface #7674 (yujuhong)
  • Kubelet: filter out terminated pods in SyncPods #7301 (yujuhong)
  • Kubelet: parallelize cleaning up containers in unwanted pods #7048 (yujuhong)
  • kubelet: Add container runtime option for rkt. #7952 (yifan-gu)
  • kubelet/rkt: Remove build label. #7916 (yifan-gu)
  • kubelet/metrics: Move instrumented_docker.go to dockertools. #7327 (yifan-gu)
  • kubelet/rkt: Add GetPods() for rkt. #7599 (yifan-gu)
  • kubelet/rkt: Add KillPod() and GetPodStatus() for rkt. #7605 (yifan-gu)
  • pkg/kubelet: Fix logging. #4755 (yifan-gu)
  • kubelet: Refactor RunInContainer/ExecInContainer/PortForward. #6491 (yifan-gu)
  • kubelet/DockerManager: Fix returning empty error from GetPodStatus(). #6609 (yifan-gu)
  • kubelet: Move pod infra container image setting to dockertools. #6634 (yifan-gu)
  • kubelet/fake_docker_client: Use self’s PID instead of 42 in testing. #6653 (yifan-gu)
  • kubelet/dockertool: Move Getpods() to DockerManager. #6778 (yifan-gu)
  • kubelet/dockertools: Add puller interfaces in the containerManager. #6776 (yifan-gu)
  • kubelet: Introduce PodInfraContainerChanged(). #6608 (yifan-gu)
  • kubelet/container: Replace DockerCache with RuntimeCache. #6795 (yifan-gu)
  • kubelet: Clean up computePodContainerChanges. #6844 (yifan-gu)
  • kubelet: Refactor prober. #7009 (yifan-gu)
  • kubelet/container: Update the runtime interface. #7466 (yifan-gu)
  • kubelet: Refactor isPodRunning() in runonce.go #7477 (yifan-gu)
  • kubelet/rkt: Add basic rkt runtime routines. #7465 (yifan-gu)
  • kubelet/rkt: Add podInfo. #7555 (yifan-gu)
  • kubelet/container: Add GetContainerLogs to runtime interface. #7488 (yifan-gu)
  • kubelet/rkt: Add routines for converting kubelet pod to rkt pod. #7543 (yifan-gu)
  • kubelet/rkt: Add RunPod() for rkt. #7589 (yifan-gu)
  • kubelet/rkt: Add RunInContainer()/ExecInContainer()/PortForward(). #7553 (yifan-gu)
  • kubelet/container: Move ShouldContainerBeRestarted() to runtime. #7613 (yifan-gu)
  • kubelet/rkt: Add SyncPod() to rkt. #7611 (yifan-gu)
  • Kubelet: persist restart count of a container #6794 (yujuhong)
  • kubelet/container: Move pty*.go to container runtime package. #7951 (yifan-gu)
  • kubelet: Add container runtime option for rkt. #7900 (yifan-gu)
  • kubelet/rkt: Add docker prefix to image string. #7803 (yifan-gu)
  • kubelet/rkt: Inject dependencies to rkt. #7849 (yifan-gu)
  • kubelet/rkt: Remove dependencies on rkt.store #7859 (yifan-gu)
  • Kubelet talks securely to apiserver #2387 (erictune)
  • Rename EnvVarSource.FieldPath -> FieldRef and add example #7592 (pmorie)
  • Add containerized option to kubelet binary #7741 (pmorie)
  • Ease building kubelet image #7948 (pmorie)
  • Remove unnecessary bind-mount from dockerized kubelet run #7854 (pmorie)
  • Add ability to dockerize kubelet in local cluster #7798 (pmorie)
  • Create docker image for kubelet #7797 (pmorie)
  • Security context - types, kubelet, admission #7343 (pweil-)
  • Kubelet: Add rkt as a runtime option #7743 (vmarmol)
  • Fix kubelet’s docker RunInContainer implementation #7746 (vishh)

• AWS

  • AWS: Don’t try to copy gce_keys in jenkins e2e job #8018 (justinsb)
  • AWS: Copy some new properties from config-default => config.test #7992 (justinsb)
  • AWS: make it possible to disable minion public ip assignment #7928 (manolitto)
  • update AWS CloudFormation template and cloud-configs #7667 (antoineco)
  • AWS: Fix variable naming that meant not all tokens were written #7736 (justinsb)
  • AWS: Change apiserver to listen on 443 directly, not through nginx #7678 (justinsb)
  • AWS: Improving getting existing VPC and subnet #6606 (gust1n)
  • AWS EBS volume support #5138 (justinsb)

• Introduce an ‘svc’ segment for DNS search #8089 (thockin)

• Adds ability to define a prefix for etcd paths #5707 (kbeecher)

• Add kubectl log –previous support to view last terminated container log #7973 (dchen1107)

• Add a flag to disable legacy APIs #8083 (brendandburns)

• make the dockerkeyring handle mutiple matching credentials #7971 (deads2k)

• Convert Fluentd to Cloud Logging pod specs to YAML #8078 (satnam6502)

• Use etcd to allocate PortalIPs instead of in-mem #7704 (smarterclayton)

• eliminate auth-path #8064 (deads2k)

• Record failure reasons for image pulling #7981 (yujuhong)

• Rate limit replica creation #7869 (bprashanth)

• Upgrade to Kibana 4 for cluster logging #7995 (satnam6502)

• Added name to kube-dns service #8049 (piosz)

• Fix validation by moving it into the resource builder. #7919 (brendandburns)

• Add cache with multiple shards to decrease lock contention #8050 (fgrzadkowski)

• Delete status from displayable resources #8039 (nak3)

• Refactor volume interfaces to receive pod instead of ObjectReference #8044 (pmorie)

• fix kube-down for provider gke #7565 (jlowdermilk)

• Service port names are required for multi-port #7786 (thockin)

• Increase disk size for kubernetes master. #8051 (fgrzadkowski)

• expose: Load input object for increased safety #7774 (kargakis)

• Improments to conversion methods generator #7896 (wojtek-t)

• Added displaying external IPs to kubectl cluster-info #7557 (piosz)

• Add missing Errorf formatting directives #8037 (shawnps)

• Add startup code to apiserver to migrate etcd keys #7567 (kbeecher)

• Use error type from docker go-client instead of string #8021 (ddysher)

• Accurately get hardware cpu count in Vagrantfile. #8024 (BenTheElder)

• Stop setting a GKE specific version of the kubeconfig file #7921 (roberthbailey)

• Make the API server deal with HEAD requests via the service proxy #7950 (satnam6502)

• GlusterFS Critical Bug Resolved - Removing warning in README #7983 (wattsteve)

• Don’t use the first token uname -n as the hostname #7967 (yujuhong)

• Call kube-down in test-teardown for vagrant. #7982 (BenTheElder)

• defaults_tests: verify defaults when converting to an API object #6235 (yujuhong)

• Use the full hostname for mirror pod name. #7910 (yujuhong)

• Removes RunPod in the Runtime interface #7657 (yujuhong)

• Clean up dockertools/manager.go and add more unit tests #7533 (yujuhong)

• Adapt pod killing and cleanup for generic container runtime #7525 (yujuhong)

• Fix pod filtering in replication controller #7198 (yujuhong)

• Print container statuses in kubectl get pods #7116 (yujuhong)

• Prioritize deleting the non-running pods when reducing replicas #6992 (yujuhong)

• Fix locking issue in pod manager #6872 (yujuhong)

• Limit the number of concurrent tests in integration.go #6655 (yujuhong)

• Fix typos in different config comments #7931 (pmorie)

• Update cAdvisor dependency. #7929 (vmarmol)

• Ubuntu-distro: deprecate & merge ubuntu single node work to ubuntu cluster node stuff#5498 (resouer)

• Add control variables to Jenkins E2E script #7935 (saad-ali)

• Check node status as part of validate-cluster.sh. #7932 (fabioy)

• Add old endpoint cleanup function #7821 (lavalamp)

• Support recovery from in the middle of a rename. #7620 (brendandburns)

• Update Exec and Portforward client to use pod subresource #7715 (csrwng)

• Added NFS to PV structs #7564 (markturansky)

• Fix environment variable error in Vagrant docs #7904 (posita)

• Adds a simple release-note builder that scrapes the GitHub API for recent PRs #7616(brendandburns)

• Scheduler ignores nodes that are in a bad state #7668 (bprashanth)

• Set GOMAXPROCS for etcd #7863 (fgrzadkowski)

• Auto-generated conversion methods calling one another #7556 (wojtek-t)

• Bring up a kuberenetes cluster using coreos image as worker nodes #7445 (dchen1107)

• Godep: Add godep for rkt. #7410 (yifan-gu)

• Add volumeGetter to rkt. #7870 (yifan-gu)

• Update cAdvisor dependency. #7897 (vmarmol)

• DNS: expose 53/TCP #7822 (thockin)

• Set NodeReady=False when docker is dead #7763 (wojtek-t)

• Ignore latency metrics for events #7857 (fgrzadkowski)

• SecurityContext admission clean up #7792 (pweil-)

• Support manually-created and generated conversion functions #7832 (wojtek-t)

• Add latency metrics for etcd operations #7833 (fgrzadkowski)

• Update errors_test.go #7885 (hurf)

• Change signature of container runtime PullImage to allow pull w/ secret #7861 (pmorie)

• Fix bug in Service documentation: incorrect location of “selector” in JSON #7873(bkeroackdsc)

• Fix controller-manager manifest for providers that don’t specify CLUSTER_IP_RANGE#7876 (cjcullen)

• Fix controller unittests #7867 (bprashanth)

• Enable GCM and GCL instead of InfluxDB on GCE #7751 (saad-ali)

• Remove restriction that cluster-cidr be a class-b #7862 (cjcullen)

• Fix OpenShift example #7591 (derekwaynecarr)

• API Server - pass path name in context of create request for subresource #7718 (csrwng)

• Rolling Updates: Add support for –rollback. #7575 (brendandburns)

• Update to container-vm-v20150505 (Also updates GCE to Docker 1.6) #7820 (zmerlynn)

• Fix metric label #7830 (rhcarvalho)

• Fix v1beta1 typos in v1beta2 conversions #7838 (pmorie)

• skydns: use the etcd-2.x native syntax, enable IANA attributed ports. #7764(AntonioMeireles)

• Added port 6443 to kube-proxy default IP address for api-server #7794 (markllama)

• Added client header info for authentication doc. #7834 (ashcrow)

• Clean up safe_format_and_mount spam in the startup logs #7827 (zmerlynn)

• Set allocate_node_cidrs to be blank by default. #7829 (roberthbailey)

• Fix sync problems in #5246 #7799 (cjcullen)

• Fix event doc link #7823 (saad-ali)

• Cobra update and bash completions fix #7776 (eparis)

• Fix kube2sky flakes. Fix tools.GetEtcdVersion to work with etcd > 2.0.7 #7675 (cjcullen)

• Change kube2sky to use token-system-dns secret, point at https endpoint … #7154(cjcullen)

• replica: serialize created-by reference #7468 (simon3z)

• Inject mounter into volume plugins #7702 (pmorie)

• bringing CoreOS cloud-configs up-to-date (against 0.15.x and latest OS’ alpha) #6973(AntonioMeireles)

• Update kubeconfig-file doc. #7787 (jlowdermilk)

• Throw an API error when deleting namespace in termination #7780 (derekwaynecarr)

• Fix command field PodExecOptions #7773 (csrwng)

• Start ImageManager housekeeping in Run(). #7785 (vmarmol)

• fix DeepCopy to properly support runtime.EmbeddedObject #7769 (deads2k)

• fix master service endpoint system for multiple masters #7273 (lavalamp)

• Add genbashcomp to KUBE_TEST_TARGETS #7757 (nak3)

• Change the cloud provider TCPLoadBalancerExists function to GetTCPLoadBalancer…#7669 (a-robinson)

• Add containerized option to kubelet binary #7772 (pmorie)

• Fix swagger spec #7779 (pmorie)

• FIX: Issue #7750 - Hyperkube docker image needs certificates to connect to cloud-providers#7755 (viklas)

• Add build labels to rkt #7752 (vmarmol)

• Check license boilerplate for python files #7672 (eparis)

• Reliable updates in rollingupdate #7705 (bprashanth)

• Don’t exit abruptly if there aren’t yet any minions right after the cluster is created. #7650(roberthbailey)

• Make changes suggested in #7675 #7742 (cjcullen)

• A guide to set up kubernetes multiple nodes cluster with flannel on fedora #7357(aveshagarwal)

• Setup generators in factory #7760 (kargakis)

• Reduce usage of time.After #7737 (lavalamp)

• Remove node status from “componentstatuses” call. #7735 (fabioy)

• React to failure by growing the remaining clusters #7614 (tamsky)

• Fix typo in runtime_cache.go #7725 (pmorie)

• Update non-GCE Salt distros to 1.6.0, fallback to ContainerVM Docker version on GCE#7740 (zmerlynn)

• Skip SaltStack install if it’s already installed #7744 (zmerlynn)

• Expose pod name as a label on containers. #7712 (rjnagal)

• Log which SSH key is used in e2e SSH test #7732 (mbforbes)

• Add a central simple getting started guide with kubernetes guide. #7649 (brendandburns)

• Explicitly state the lack of support for ‘Requests’ for the purposes of scheduling #7443(vishh)

• Select IPv4-only from host interfaces #7721 (smarterclayton)

• Metrics tests can’t run on Mac #7723 (smarterclayton)

• Add step to API changes doc for swagger regen #7727 (pmorie)

• Add NsenterMounter mount implementation #7703 (pmorie)

• add StringSet.HasAny #7509 (deads2k)

• Add an integration test that checks for the metrics we expect to be exported from the master #6941 (a-robinson)

• Minor bash update found by shellcheck.net #7722 (eparis)

• Add –hostport to run-container. #7536 (rjnagal)

• Have rkt implement the container Runtime interface #7659 (vmarmol)

• Change the order the different versions of API are registered #7629 (caesarxuchao)

• expose: Create objects in a generic way #7699 (kargakis)

• Requeue rc if a single get/put retry on status.Replicas fails #7643 (bprashanth)

• logs for master components #7316 (ArtfulCoder)

• cloudproviders: add ovirt getting started guide #7522 (simon3z)

• Make rkt-install a oneshot. #7671 (vmarmol)

• Provide container_runtime flag to Kubelet in CoreOS. #7665 (vmarmol)

• Boilerplate speedup #7654 (eparis)

• Log host for failed pod in Density test #7700 (wojtek-t)

• Removes spurious quotation mark #7655 (alindeman)

• Add kubectl_label to custom functions in bash completion #7694 (nak3)

• Enable profiling in kube-controller #7696 (wojtek-t)

• Set vagrant test cluster default NUM_MINIONS=2 #7690 (BenTheElder)

• Add metrics to measure cache hit ratio #7695 (fgrzadkowski)

• Change IP to IP(S) in service columns for kubectl get #7662 (jlowdermilk)

• annotate required flags for bash_completions #7076 (eparis)

• (minor) Add pgrep debugging to etcd error #7685 (jayunit100)

• Fixed nil pointer issue in describe when volume is unbound #7676 (markturansky)

• Removed unnecessary closing bracket #7691 (piosz)

• Added TerminationGracePeriod field to PodSpec and grace-period flag to kubectl stop#7432 (piosz)

• Fix boilerplate in test/e2e/scale.go #7689 (wojtek-t)

• Update expiration timeout based on observed latencies #7628 (bprashanth)

• Output generated conversion functions/names #7644 (liggitt)

• Moved the Scale tests into a scale file. #7645 #7646 (rrati)

• Truncate GCE load balancer names to 63 chars #7609 (brendandburns)

• Add SyncPod() and remove Kill/Run InContainer(). #7603 (vmarmol)

• Merge release 0.16 to master #7663 (brendandburns)

• Update license boilerplate for examples/rethinkdb #7637 (eparis)

• First part of improved rolling update, allow dynamic next replication controller generation.#7268 (brendandburns)

• Add license boilerplate to examples/phabricator #7638 (eparis)

• Use generic copyright holder name in license boilerplate #7597 (eparis)

• Retry incrementing quota if there is a conflict #7633 (derekwaynecarr)

• Remove GetContainers from Runtime interface #7568 (yujuhong)

• Add image-related methods to DockerManager #7578 (yujuhong)

• Remove more docker references in kubelet #7586 (yujuhong)

• Add KillContainerInPod in DockerManager #7601 (yujuhong)

• Kubelet: Add container runtime option. #7652 (vmarmol)

• bump heapster to v0.11.0 and grafana to v0.7.0 #7626 (idosh)

• Build github.com/onsi/ginkgo/ginkgo as a part of the release #7593 (ixdy)

• Do not automatically decode runtime.RawExtension #7490 (smarterclayton)

• Update changelog. #7500 (brendandburns)

• Add SyncPod() to DockerManager and use it in Kubelet #7610 (vmarmol)

• Build: Push .md5 and .sha1 files for every file we push to GCS #7602 (zmerlynn)

• Fix rolling update –image #7540 (bprashanth)

• Update license boilerplate for docs/man/md2man-all.sh #7636 (eparis)

• Include shell license boilerplate in examples/k8petstore #7632 (eparis)

• Add –cgroup_parent flag to Kubelet to set the parent cgroup for pods #7277 (guenter)

• change the current dir to the config dir #7209 (you-n-g)

• Set Weave To 0.9.0 And Update Etcd Configuration For Azure #7158 (idosh)

• Augment describe to search for matching things if it doesn’t match the original resource.#7467 (brendandburns)

• Add a simple cache for objects stored in etcd. #7559 (fgrzadkowski)

• Rkt gc #7549 (yifan-gu)

• Rkt pull #7550 (yifan-gu)

• Implement Mount interface using mount(8) and umount(8) #6400 (ddysher)

• Trim Fleuntd tag for Cloud Logging #7588 (satnam6502)

• GCE CoreOS cluster - set master name based on variable #7569 (bakins)

• Capitalization of KubeProxyVersion wrong in JSON #7535 (smarterclayton)

• Make nodes report their external IP rather than the master’s. #7530 (mbforbes)

• Trim cluster log tags to pod name and container name #7539 (satnam6502)

• Handle conversion of boolean query parameters with a value of “false” #7541 (csrwng)

• Add image-related methods to Runtime interface. #7532 (vmarmol)

• Test whether auto-generated conversions weren’t manually edited #7560 (wojtek-t)

• Mention :latest behavior for image version tag #7484 (colemickens)

• readinessProbe calls livenessProbe.Exec.Command which cause “invalid memory address or nil pointer dereference”. #7487 (njuicsgz)

• Add RuntimeHooks to abstract Kubelet logic #7520 (vmarmol)

• Expose URL() on Request to allow building URLs #7546 (smarterclayton)

• Add a simple cache for objects stored in etcd #7288 (fgrzadkowski)

• Prepare for chaining autogenerated conversion methods #7431 (wojtek-t)

• Increase maxIdleConnection limit when creating etcd client in apiserver. #7353 (wojtek-t)

• Improvements to generator of conversion methods. #7354 (wojtek-t)

• Code to automatically generate conversion methods #7107 (wojtek-t)

• Support recovery for anonymous roll outs #7407 (brendandburns)

• Bump kube2sky to 1.2. Point it at https endpoint (3rd try). #7527 (cjcullen)

• cluster/gce/coreos: Add metadata-service in node.yaml #7526 (yifan-gu)

• Move ComputePodChanges to the Docker runtime #7480 (vmarmol)

• Cobra rebase #7510 (eparis)

• Adding system oom events from kubelet #6718 (vishh)

• Move Prober to its own subpackage #7479 (vmarmol)

• Fix parallel-e2e.sh to work on my macbook (bash v3.2) #7513 (cjcullen)

• Move network plugin TearDown to DockerManager #7449 (vmarmol)

• Fixes #7498 - CoreOS Getting Started Guide had invalid cloud config #7499 (elsonrodriguez)

• Fix invalid character ‘“’ after object key:value pair #7504 (resouer)

• Fixed kubelet deleting data from volumes on stop (#7317). #7503 (jsafrane)

• Fixing hooks/description to catch API fields without description tags #7482 (nikhiljindal)

• cadvisor is obsoleted so kubelet service does not require it. #7457 (aveshagarwal)

• Set the default namespace for events to be “default” #7408 (vishh)

• Fix typo in namespace conversion #7446 (liggitt)

• Convert Secret registry to use update/create strategy, allow filtering by Type #7419 (liggitt)

• Use pod namespace when looking for its GlusterFS endpoints. #7102 (jsafrane)

• Fixed name of kube-proxy path in deployment scripts. #7427 (jsafrane)

To download, please visit https://github.com/GoogleCloudPlatform/kubernetes/releases/tag/v0.17.0

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