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127 Commits (905514a12bc89b9fd36b3479e969277ea30b4e0a)

Author SHA1 Message Date
Tim Hockin 905514a12b Ensure Namespace and UID are set in kubelet 
Make all kubelet config sources ensure that UID and Namespace are defaulted, if
need be.

We can *almost* disable the "if blank" logic for UID, except for tests that
call APIs that do not run through SyncPods.  We really ought to be enforcing
invariants better.
 2015-01-12 14:27:34 -08:00
Tim Hockin 523a80bec7 Apply more structure to pod data dirs 
This is makes it possible to read back "known" pods from disk without
getting other (non-pod) kubelet dirs in the mix.  Ditto for containers
within a pod.  This is just saner overall.  Pods now nest in a pods/
dir.  Likewise containers.
 2015-01-12 06:16:32 -08:00
saadali e8d30f019d Modify "kubectl get events" to print FieldPath so BoundPod events for the same Pod but different containers can be differentiated 2014-12-29 21:32:49 -08:00
Tim Hockin 652479a3b1 Add kubelet DNS flags & api disable for DNS 
This adds --cluster_dns and --cluster_domain flags to kubelet.  If
non-empty, kubelet will set docker --dns and --dns-search flags based on
these.  It uses the cluster DNS and appends the hosts's DNS servers.
Likewise for DNS search domains.

This also adds API support to bypass cluster DNS entirely, needed to
bootstrap DNS.
 2014-12-29 09:18:12 -08:00
Brendan Burns b8781c04bb Add support for garbage collecting images. 2014-12-22 16:56:58 -08:00
Dawn Chen 608c3d5046 Update kubelet package on latest go-dockerclient package. 2014-12-18 13:49:13 -08:00
Brendan Burns 7da0378f3c Track the sources that the kubelet has seen, and only delete pods 
when every source has been seen at least once.
 2014-12-17 13:08:43 -08:00
Clayton Coleman dadb8431c4 Remove internal PodState in favor of internal PodStatus object 2014-12-15 16:50:05 -05:00
Daniel Smith e46bfcf699 Allow, when testing, SelfLinks to be unset. Kubelet now makes events in tests. 2014-12-09 17:53:42 -08:00
Daniel Smith ba62943b8e Compare containers by name, not by pointer equality. 2014-12-09 17:06:39 -08:00
Tim Hockin acc6b95c21 Add functions to get kubelet directories. 
Gets rid of some magic constants and makes volume plugins (coming later)
cleaner.
 2014-12-06 11:00:19 -08:00
Jimmi Dyson 5109ce3356 Fixes #2681: update to cadvisor 0.6.2 2014-12-01 11:38:03 +00:00
Dawn Chen ce145545b9 Add unittests to test PullPolicy. 2014-11-14 16:09:53 -08:00
Dawn Chen 57454cce81 Add support to capture application termination message and propagate 
the message to the upper layer through ContainerStatus.
 2014-11-10 10:56:23 -08:00
Dawn Chen 03958f5049 Restart network container when container's configure is changed. 
Fix #2099
 2014-11-04 14:38:33 -08:00
Brendan Burns 69ca97a41c Fix a flaky test by draining the worker pool after syncing. 2014-10-31 09:52:01 -07:00
Brendan Burns 51bf451932 Add container garbage collection. 2014-10-28 12:52:06 -07:00
Tim Hockin 2bbd11eda6 Merge pull request #1975 from smarterclayton/split_type_meta 
Split TypeMeta into ObjectMeta/ListMeta
 2014-10-24 08:43:00 -07:00
Clayton Coleman 644eb70085 Refactor tests to split ObjectMeta from TypeMeta 2014-10-24 11:22:21 -04:00
Tim Hockin 76c33a88b6 Remove redundancy in SyncPods 2014-10-23 15:53:26 -07:00
Tim Hockin 487867bd01 Extract cadvisor code to cadvisor.go 2014-10-23 15:53:26 -07:00
Clayton Coleman bb77a5d15f Rename ID -> Name 2014-10-22 15:00:26 -04:00
Clayton Coleman 892942af8f Read BoundPods from etcd instead of ContainerManifestList 
There are three values that uniquely identify a pod on a host -
the configuration source (etcd, file, http), the pod name, and the
pod namespace. This change ensures that configuration properly
makes those names unique by changing podFullName to contain both
name (currently ID in v1beta1, Name in v1beta3) and namespace.

The Kubelet does not properly handle information requests for
pods not in the default namespace at this time.
 2014-10-16 19:29:08 -04:00
Clayton Coleman 95cb2e3eb3 Refactor HealthCheck to take podUUID arguments 
PodState is going away (won't have podUUID anymore)
 2014-10-09 16:42:55 -04:00
Dawn Chen 39f648bda2 Fix rebase issues. 2014-10-06 13:37:23 -07:00
Dawn Chen 8d0ed93aa1 Clean unittests 2014-10-06 13:37:22 -07:00
Clayton Coleman 6881db64a9 Allow configurable Kubelet net image for isolated networks 
Public access to the DockerHub is not guaranteed in all environments,
add a flag to the kubelet that allows it to use a different image (like
one on a private registry) as well as only pull the first time the
image is needed.

Fixes #1545
 2014-10-02 15:56:03 -04:00
Eric Tune 9c0769422d Directory renamed to Dir to match json property 2014-10-01 13:35:21 -07:00
Tim Hockin 1c02af3d16 Kill LivenessProbe.Type 2014-09-27 21:16:30 -07:00
Dawn Chen 01c9015ed3 use _ as the separator for docker container name. 2014-09-26 09:21:21 -07:00
Daniel Smith 283eaf3931 Add new Event type 
* replaces previous Event type, which is too limited.
* Remove writing of old event type.
* Fix serialiazation test to automatically test all types.
 2014-09-25 11:31:35 -07:00
Eric Paris a32400f47f Remove all code dealing with cadvisor Percentiles 
This was removed upstream beween cadvisor 0.3.0 and 0.4.0
 2014-09-22 14:22:40 -04:00
Brian Waldon 0bf4fabc19 kubelet: move docker-related code into sub-package 2014-09-11 13:12:28 -07:00
Dawn Chen 15cab4d053 Introduce the simplest RestartPolicy and handling. 2014-09-08 22:41:38 -07:00
Dawn Chen 7ace5a3e83 Passing pod UUID to Kubelet. 2014-09-08 14:24:09 -07:00
Brendan Burns d0884accd7 Add support for the PostStart event handler. 2014-09-05 12:37:57 -07:00
Daniel Smith 97b05619f1 Remove deprecated bits from kubelet 2014-08-26 22:39:00 -07:00
Brendan Burns 556eb0f400 Add a run command to the kublet server 2014-08-26 13:57:44 -07:00
Tim Hockin 0f97a73c1b Rename a bunch of "Make" functions to "New" 
Also rename some to other names that make better reading.  There are still a
bunch of "make" functions but they do things like assemble a string from parts
or build an array of things.  It seemed that "make" there seemed fine.  "New"
is for "constructors".
 2014-08-20 21:27:19 -07:00
Brendan Burns 0caae9c1d4 Add a in container exec based health check. 2014-08-18 12:00:11 -07:00
Brendan Burns 2986db9885 Add container hashing to the container name, and restart containers on changes. 2014-08-08 13:32:07 -07:00
Daniel Smith 2297bf8cea Merge pull request #830 from brendandburns/net 
Delete containers for a pod if we have to create the network container.
 2014-08-08 13:12:42 -07:00
Brendan Burns 38900a9c58 Delete containers for a pod if we have to create the network container. 2014-08-08 12:34:59 -07:00
Brendan Burns d31d0781b2 Add support for "run in" 2014-08-07 20:27:58 -07:00
Clayton Coleman f7149926c0 Remove expectNoError from client, kubelet, and util 2014-08-04 09:39:06 -04:00
Brendan Burns 490bb28bf9 Add TCP socket based health checking. 2014-08-01 14:13:56 -07:00
Jonathan Boulle c43035088b assorted formatting and typo fixes 2014-07-24 15:10:36 -07:00
Victor Marmol b131da1cf5 Sync pods asynchronously in the Kubelet. 
This makes two main changes:
- Runs syncPod in a separate Go routine (and enforces only one of those
  runs at a time).
- Uses the pod list to determine if a container should be running or
  should be killed (used to use the output of syncPod).

Since Docker pulls are synchronized by the Docker daemon we still block
on that, but pods can now be removed and prepared for starting without
blocking on long pulls.
 2014-07-24 13:47:51 -07:00
Danny Jones bfa4642055 Adds a flag to specify root working directory. 
--root_dir specifies the directory kubelet will use for it's
procedures. Currently used for volume mounts.
 2014-07-24 13:04:05 -07:00
Eric Tune ded67ead1e Make Kubelet type members private and provide New functions. 2014-07-22 14:40:59 -07:00