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k8s-merge-robot 2cc0f2f040 Merge pull request #25280 from timothysc/http2_clients 
Automatic merge from submit-queue

Option to enable http2 on client connections.

Addresses #21081

Enables http2 connection by default.  

before:
``` 
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
tcp        0      0 127.0.0.1:10248         0.0.0.0:*               LISTEN      21868/kubelet       
tcp        0      0 127.0.0.1:10249         0.0.0.0:*               LISTEN      21924/kube-proxy    
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      754/sshd            
tcp        0      0 192.2.5.12:47080        192.2.5.11:443          ESTABLISHED 21924/kube-proxy    
tcp        0      0 192.2.5.12:47082        192.2.5.11:443          ESTABLISHED 21924/kube-proxy    
tcp        0      0 192.2.5.12:55776        169.254.169.254:80      ESTABLISHED 21868/kubelet       
tcp        0    304 192.2.5.12:22           192.2.5.10:49978        ESTABLISHED 22287/sshd: root [p 
tcp        0      0 192.2.5.12:34568        192.2.5.11:2379         ESTABLISHED 3029/flanneld       
tcp        0      0 192.2.5.12:55774        169.254.169.254:80      ESTABLISHED 21868/kubelet       
tcp        0      0 192.2.5.12:47086        192.2.5.11:443          ESTABLISHED 21924/kube-proxy    
tcp        0      0 192.2.5.12:47102        192.2.5.11:443          ESTABLISHED 21868/kubelet       
tcp        0      0 192.2.5.12:47108        192.2.5.11:443          ESTABLISHED 21868/kubelet       
tcp        0      0 192.2.5.12:55772        169.254.169.254:80      ESTABLISHED 21868/kubelet       
tcp        0      0 192.2.5.12:47104        192.2.5.11:443          ESTABLISHED 21868/kubelet       
tcp        0      0 192.2.5.12:34718        192.2.5.11:2379         ESTABLISHED 3029/flanneld       
tcp        0      0 192.2.5.12:47110        192.2.5.11:443          ESTABLISHED 21868/kubelet       
tcp        0      0 192.2.5.12:47106        192.2.5.11:443          ESTABLISHED 21868/kubelet       
tcp        0      0 192.2.5.12:47084        192.2.5.11:443          ESTABLISHED 21924/kube-proxy    
tcp6       0      0 :::4194                 :::*                    LISTEN      21868/kubelet       
tcp6       0      0 :::10250                :::*                    LISTEN      21868/kubelet       
tcp6       0      0 :::10255                :::*                    LISTEN      21868/kubelet       
tcp6       0      0 :::22                   :::*                    LISTEN      754/sshd            
tcp6       0      0 192.2.5.12:10255        192.2.5.15:41570        ESTABLISHED 21868/kubelet       
udp        0      0 0.0.0.0:8472            0.0.0.0:*                           -                   
udp        0      0 0.0.0.0:22824           0.0.0.0:*                           600/dhclient        
udp        0      0 0.0.0.0:68              0.0.0.0:*                           600/dhclient        
udp6       0      0 :::4195                 :::*                                600/dhclient 
```

after
```
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
tcp        0      0 127.0.0.1:10248         0.0.0.0:*               LISTEN      16962/kubelet       
tcp        0      0 127.0.0.1:10249         0.0.0.0:*               LISTEN      17024/kube-proxy    
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      754/sshd            
tcp        0      0 192.2.5.12:47046        192.2.5.11:443          ESTABLISHED 17024/kube-proxy    
tcp        0      0 192.2.5.12:47052        192.2.5.11:443          ESTABLISHED 16962/kubelet       
tcp        0      0 192.2.5.12:34568        192.2.5.11:2379         ESTABLISHED 3029/flanneld       
tcp        0      0 192.2.5.12:55720        169.254.169.254:80      ESTABLISHED 16962/kubelet       
tcp        0      0 192.2.5.12:55724        169.254.169.254:80      ESTABLISHED 16962/kubelet       
tcp        0      0 192.2.5.12:34718        192.2.5.11:2379         ESTABLISHED 3029/flanneld       
tcp        0      0 192.2.5.12:55726        169.254.169.254:80      ESTABLISHED 16962/kubelet       
tcp        0    304 192.2.5.12:22           192.2.5.10:49938        ESTABLISHED 17653/sshd: root [p 
tcp6       0      0 :::4194                 :::*                    LISTEN      16962/kubelet       
tcp6       0      0 :::10250                :::*                    LISTEN      16962/kubelet       
tcp6       0      0 :::10255                :::*                    LISTEN      16962/kubelet       
tcp6       0      0 :::22                   :::*                    LISTEN      754/sshd            
tcp6       0      0 192.2.5.12:10255        192.2.5.15:41472        ESTABLISHED 16962/kubelet       
udp        0      0 0.0.0.0:8472            0.0.0.0:*                           -                   
udp        0      0 0.0.0.0:22824           0.0.0.0:*                           600/dhclient        
udp        0      0 0.0.0.0:68              0.0.0.0:*                           600/dhclient        
udp6       0      0 :::4195                 :::*                                600/dhclient
```

/cc @jeremyeder
 		2016-06-06 10:22:49 -07:00
..
bandwidth Update use of Quantity in other classes 2016-05-19 08:41:43 -04:00
cache Add an LRU Expire Cache. 2016-05-16 21:55:13 -07:00
chmod
…
chown
…
codeinspector Implement checking in predicates 2016-02-25 21:25:36 +08:00
config Refactor config map into sub pkg 2016-03-21 14:50:57 +08:00
configz Uncomment the code that cause by #19254 2016-04-25 23:21:31 +08:00
crlf Refactor crlf & crypto 2016-03-21 20:20:05 +08:00
crypto Refactor crlf & crypto 2016-03-21 20:20:05 +08:00
dbus Fixing all the "composite literal uses unkeyed fields" Vet errors. 2016-03-25 15:25:09 -07:00
deployment Address comments 2016-06-01 15:00:29 -07:00
diff Add a reflection based object diff with structured format 2016-05-28 08:52:07 -04:00
env Refactor env into sub pkg 2016-03-11 13:52:45 +08:00
errors Address comments 2016-03-03 15:56:09 -08:00
exec Improve error reporting a little in ingress e2e. 2016-01-06 15:25:04 -08:00
flag Merge pull request #22939 from resouer/util-sub-dir 2016-03-23 03:34:33 -07:00
flock kubelet: add a pidfile 2016-02-10 11:38:50 -08:00
flowcontrol Final vet fixes; enabling vet checks in verify scripts. 2016-04-13 13:51:51 -07:00
flushwriter
…
framer Framer does not need to allocate a slice for each execution 2016-05-21 23:55:40 -04:00
goroutinemap Increase goroutinemap unit test timeouts. 2016-05-20 10:14:47 +02:00
hash Use hashutil to hold hash tools 2016-01-06 22:28:58 +08:00
homedir Use correct home directory on Windows 2016-02-19 01:41:42 -02:00
httpstream Fixes panic on round tripper when TLS under a proxy 2016-05-16 17:56:23 -03:00
integer create some integer min/max function 2016-02-12 11:20:11 +08:00
interrupt make interrupt default exit with rc=1 and handle SIGHUP 2016-05-02 09:59:27 -04:00
intstr Strip side-effect imports from generated protobuf 2016-05-02 18:12:20 -04:00
io Remove all instances of "/tmp" from unit tests and replace with a common 2016-01-27 16:11:22 -08:00
iptables add hostport support for kubenet 2016-05-22 22:18:58 -07:00
json Preserve int64 data when patching 2016-04-11 16:23:28 -04:00
jsonpath Fix jsonpath to handle maps with key of nonstring types 2016-03-22 17:32:40 -04:00
keymutex Spelling fixes inspired by github.com/client9/misspell 2016-02-18 06:58:05 +07:00
labels Improve go report card by fixing typos in comments 2016-03-04 18:30:59 -08:00
limitwriter
…
metrics Generated clients can return their RESTClients, RESTClient can return its RateLimiter 2016-04-27 22:15:10 +02:00
mount fix cinder volume dir umount issue #24717 2016-04-29 00:50:33 +08:00
net Update client connections to try to use http2, except attach, exec, and 2016-05-27 15:08:42 -05:00
node
…
oom OOM Score adjusting logic in kubelet should handle containers that exit quickly. 2016-04-11 11:21:48 -07:00
parsers Cleanup the code with new engine-api 2016-04-29 13:34:38 -07:00
pod Generate the typed clients under the clientset folder 2016-03-31 15:28:45 -07:00
procfs OOM Score adjusting logic in kubelet should handle containers that exit quickly. 2016-04-11 11:21:48 -07:00
proxy Uncomment the code that cause by #19254 2016-04-25 23:21:31 +08:00
rand Add test for image in node status 2016-05-16 15:58:12 -04:00
replicaset Generate the typed clients under the clientset folder 2016-03-31 15:28:45 -07:00
runtime tolerate nil error in HandleError 2016-05-11 09:06:53 -04:00
selinux Bump cadvisor to fix interface stats bugs & improve performance 2015-12-21 17:07:21 +00:00
sets Regenerate auto-generated files 2016-03-17 09:30:02 +01:00
slice Sort revisions in rollout history as integers 2016-05-24 10:04:05 +02:00
strategicpatch fix strategy patch diff list issue 2016-05-27 08:42:33 -04:00
strings Add strings pkg to hold strings utils 2016-01-15 12:37:50 +08:00
sysctl Refactor an interface for style 2015-11-13 15:56:27 -08:00
system Move isMasterNode function to api/helpers 2016-03-01 12:12:38 +01:00
term Improve terminal reuse and attach 2016-03-21 23:59:58 -04:00
testing Use NegotiatedSerializer in client 2016-05-04 10:57:36 +02:00
threading Refector deadlock into detector pkg 2016-03-21 20:20:05 +08:00
validation Make IsDNS952Label return error strings 2016-05-19 08:57:49 -07:00
wait routecontroller: Add wait.NonSlidingUntil, use it 2016-05-25 13:58:35 -07:00
workqueue add logging for flake 2016-06-02 07:44:17 -04:00
wsstream Uncomment the code that cause by #19254 2016-04-25 23:21:31 +08:00
yaml Display line number on JSON errors 2016-05-06 13:10:47 +02:00
clock.go fake util.clock tick 2016-04-07 15:10:50 -04:00
clock_test.go fake util.clock tick 2016-04-07 15:10:50 -04:00
doc.go
…
line_delimiter.go
…
line_delimiter_test.go Vet fixes, mostly pass lock by value errors. 2016-04-06 11:27:40 -07:00
logs.go Move Until, Forever, NeverStop, ForeverTestTimeout from util to wait 2016-02-07 11:38:48 +01:00
resource_container_linux.go Ensure kubelet pid is not moved to system container 2016-01-29 09:30:20 +00:00
resource_container_unsupported.go
…
runner.go
…
runner_test.go
…
string_flag.go
…
template.go
…
template_test.go
…
trace.go Trace.Step() performs an unnecessary ref 2016-05-06 11:42:35 -04:00
umask.go
…
umask_windows.go
…
util.go Fix the rest of the code 2016-04-29 17:12:10 -04:00
util_test.go Refactor diff into sub pkg 2016-03-21 20:21:39 +08:00
uuid.go Speed up UUID generation. 2016-01-27 15:39:23 +01:00