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311 Commits

Author SHA1 Message Date
Alfonso Acosta
220db7656a Try to figure out the most suitable shell to use 2016-02-29 18:01:07 +00:00
Tom Wilkie
ef1fc2a60a Merge pull request #1043 from weaveworks/1040-docker-exec-crash 
Distinguish between reporting probes and controlling probes
 2016-02-26 15:23:47 +00:00
Alfonso Acosta
b33c516758 Review feedback+test 2016-02-26 12:58:07 +00:00
Ilya Dmitrichenko
b0d6078e38 Merge pull request #1038 from weaveworks/1013-use-tcp-for-weavedns 
Use TCP for weave dns.
 2016-02-26 11:00:39 +00:00
Alfonso Acosta
a559a23dba Distinguish between reporting probes and controlling probes 2016-02-26 01:46:18 +00:00
Alfonso Acosta
4dc9f7834e Return response errors 2016-02-25 23:05:35 +00:00
Paul Bellamy
1d17a335c6 Merge pull request #995 from weaveworks/828-websocket-ping 
Add ping/pong to websocket protocol
 2016-02-25 17:13:14 +00:00
Paul Bellamy
35fe8864a1 Review Feedback 2016-02-25 16:34:35 +00:00
Tom Wilkie
592bf3fb43 Use TCP for weave dns. 2016-02-25 15:39:20 +00:00
Paul Bellamy
fbe567187a Merge pull request #1014 from weaveworks/977-docker-event-crash 
Handle closing of docker events channel gracefully
 2016-02-24 17:38:30 +00:00
Paul Bellamy
cfc071471b Add ping/pong to websocket protocol 2016-02-24 17:16:35 +00:00
Alfonso Acosta
2982166e03 Handle closing of docker events channel gracefully 2016-02-23 16:35:58 +00:00
Paul Bellamy
6cef1b10ca adding direction to connections from conntrack 
* Remove report.EdgeMetadata.MaxConnCountTCP, as we don't display it anywhere
* Remove hostname metadata from local end of connection. We should be using the hostnodeid
 2016-02-23 14:17:45 +00:00
Paul Bellamy
d2bf204181 Merge pull request #960 from weaveworks/no-ips-for-no-network 
Don't show blank IPs metadata row for containers with no IP
 2016-02-19 17:39:01 +00:00
Paul Bellamy
5535f5e738 Review Feedback 2016-02-19 17:04:00 +00:00
Alfonso Acosta
49f6568138 Place buffer infront of the docker stats decoder 2016-02-19 14:06:47 +00:00
Paul Bellamy
38653c4f7a Merge pull request #969 from weaveworks/759-term-env-var 
set TERM=xterm on execs to work around docker issue 9299
 2016-02-19 11:08:18 +00:00
Alfonso Acosta
7f384032fd Review feedback 2016-02-18 16:00:41 +00:00
Alfonso Acosta
bf3ecd7f03 k8s: Add container Ids to container report 2016-02-18 14:52:10 +00:00
Paul Bellamy
e49d1a721c set TERM=xterm on execs to work around docker issue 9299 2016-02-18 11:50:11 +00:00
Alfonso Acosta
1e3014c417 Fix weave tagger crash 2016-02-17 18:53:43 +00:00
Paul Bellamy
df856d78dc set container IPs to host IPs for containers with --net=host 2016-02-17 16:42:52 +00:00
Paul Bellamy
092342c0ff don't show blank ips metadata row for containers with no IP 2016-02-17 16:21:37 +00:00
Alfonso Acosta
a2710ecfd5 Merge pull request #916 from weaveworks/854-reports-codec 
Improve codec performance
 2016-02-17 14:07:31 +00:00
Paul Bellamy
44dada25f2 Review Feedback 2016-02-16 10:37:25 +00:00
Alfonso Acosta
9f02e20ac3 Bump github.com/ugorji/go/codec/ for performance improvements 
This caused a dependency chain reaction (sigh):

* All the k8s packages had to be fetched again. This in turn required:
  * Pining github.com/docker/docker/pkg/parsers to
    0f5c9d301b9b1cca66b3ea0f9dec3b5317d3686d to cirvumvent
    https://github.com/kubernetes/kubernetes/issues/18774
  * Update github.com/juju/ratelimit
  * Make probe/kubernetes/client.go comply with API changes.
 2016-02-16 06:31:35 +00:00
Alfonso Acosta
0d917b2d8b Use github.com/ugorji/go/codec/ for wiring messages 
* New encoding format:
  * Msgpack reports between probe<->app (smaller representation, faster to
    encode/decode).
  * Still use JSON between app<->UI (try to avoid making javascript deal with
    mspack).

  The app still suports publishing reports in both gob and JSON, not braking
  backwards compatibility.

* Use compile-time generated marshallers/unmarshallers for higher performance. In
  order to be able to skip code-generation for certain types, I included
  https://github.com/2opremio/go-1/tree/master/codec/codecgen instead of
  upstream until https://github.com/ugorji/go/pull/139 is merged.

* Encode/decode intermediate types using github.com/ugorji/go/codec.Selfer
  for higher performance and reducing garbage collection (no temporary buffers).
 2016-02-16 06:31:31 +00:00
Paul Bellamy
5bb3d49297 gather file descriptors as process metric 2016-02-12 17:13:27 +00:00
Tom Wilkie
d4e58b9e33 Decouple Scope lifecycle from Weave lifecycle 
- Run the Weave integrations regardless of if weave is detected.
- Make everything backoff and not spam the logs.
- Add miekg dns to vendor.
- Have the app periodically register with weaveDNS, and the probe do lookups there.
- Decide what the local networks are at runtime, not once at startup.
- Correctly resolve app ids, fixes #825
 2016-02-09 14:24:57 +00:00
Alfonso Acosta
26ccb4918b Merge pull request #912 from weaveworks/812-rate-limit-proc 
Rate-limit reading proc files
 2016-02-09 11:19:51 +00:00
Alfonso Acosta
d4b114daea Review comments 2016-02-09 10:39:51 +00:00
Alfonso Acosta
dfc136904c Review feedback 2016-02-09 10:00:04 +00:00
Alfonso Acosta
eb52adbbec Raise maximum rate limit 2016-02-08 22:29:54 +00:00
Alfonso Acosta
0545d9a5c2 Fix variable scope bug 2016-02-08 21:04:26 +00:00
Alfonso Acosta
53bc710c4e Review feedback 2016-02-08 19:28:54 +00:00
Paul Bellamy
6c16beb1d4 log a warning when reporters or taggers take too long to generate 2016-02-08 15:27:28 +00:00
Alfonso Acosta
3dd2d45fe5 Review feedback 2016-02-08 13:42:55 +00:00
Alfonso Acosta
b08c427618 Make linter happy 2016-02-08 13:42:55 +00:00
Alfonso Acosta
08969ec154 Clarify rate-limiting further 2016-02-08 13:42:55 +00:00
Alfonso Acosta
ccabaf5e6a Use uint64 for fd counter 2016-02-08 13:42:55 +00:00
Alfonso Acosta
c09ad9e4f6 Adjust file descript rate-limit block 2016-02-08 13:42:54 +00:00
Alfonso Acosta
8c3c8994b1 Use levelled logging 2016-02-08 13:42:54 +00:00
Alfonso Acosta
6240187333 Fix tests 2016-02-08 13:42:54 +00:00
Alfonso Acosta
b93c3232cd Make linter happy 2016-02-08 13:42:53 +00:00
Alfonso Acosta
d4c68f48fa Get rid of the package-level Connections func 2016-02-08 13:42:53 +00:00
Alfonso Acosta
6deeca0380 Cleanup 2016-02-08 13:42:53 +00:00
Alfonso Acosta
87dd43f782 Batch rate-limit to stats of /proc/*/fd/* 2016-02-08 13:42:53 +00:00
Alfonso Acosta
f922ea19c8 Rate-limit reading proc files 
Use a reader in the background, dynamically rate-limited, reading the required
files in a loop
 2016-02-08 13:42:52 +00:00
Alfonso Acosta
3d94082b07 Add debug logging 2016-02-05 16:58:40 +00:00
Paul Bellamy
ef4e5bdc47 Compile k8s selectors once (not for each pod) 2016-02-04 11:49:04 +00:00