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15 commits

Author SHA1 Message Date
Dong Chen
59d45c384a support cluster events
Signed-off-by: Dong Chen <dongluo.chen@docker.com>
2017-05-17 11:46:30 -07:00
liwenqi
128d07d349 modify some files
Signed-off-by: liwenqi <vikilwq@zju.edu.cn>

update some files in the folder of distribution/xfer

Signed-off-by: liwenqi <vikilwq@zju.edu.cn>

correct again

Signed-off-by: liwenqi <vikilwq@zju.edu.cn>
2016-12-22 08:38:37 +08:00
Michael Crosby
3343d234f3 Add basic prometheus support
This adds a metrics packages that creates additional metrics.  Add the
metrics endpoint to the docker api server under `/metrics`.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

Add metrics to daemon package

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

api: use standard way for metrics route

Also add "type" query parameter

Signed-off-by: Alexander Morozov <lk4d4@docker.com>

Convert timers to ms

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
2016-10-27 10:34:38 -07:00
Michael Crosby
91e197d614 Add engine-api types to docker
This moves the types for the `engine-api` repo to the existing types
package.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
2016-09-07 11:05:58 -07:00
David Calavera
55053d3537
Get events until a time in the past.
This change allow to filter events that happened in the past
without waiting for future events. Example:

docker events --since -1h --until -30m

Signed-off-by: David Calavera <david.calavera@gmail.com>
2016-04-14 16:22:16 -07:00
David Calavera
a9f2006f10 Compare event nanoseconds properly to filter since a specific date.
Signed-off-by: David Calavera <david.calavera@gmail.com>
2016-03-08 17:07:58 -05:00
David Calavera
907407d0b2 Modify import paths to point to the new engine-api package.
Signed-off-by: David Calavera <david.calavera@gmail.com>
2016-01-06 19:48:59 -05:00
David Calavera
72f1881df1 Add event types.
- Stop serializing JSONMessage in favor of events.Message.
- Keep backwards compatibility with JSONMessage for container events.

Signed-off-by: David Calavera <david.calavera@gmail.com>
2015-12-30 17:39:33 -05:00
David Calavera
434d2e8745 Add PubSub topics.
A TopicFunc is an interface to let the pubisher decide whether it needs
to send a message to a subscriber or not. It returns true if the
publisher must send the message and false otherwise.

Users of the pubsub package can create a subscriber with a topic
function by calling `pubsub.SubscribeTopic`.

Message delivery has also been modified to use concurrent channels per
subscriber. That way, topic verification and message delivery is not
o(N+M) anymore, based on the number of subscribers and topic verification
complexity.

Using pubsub topics, the API stops controlling the message delivery,
delegating that function to a topic generated with the filtering
provided by the user. The publisher sends every message to the
subscriber if there is no filter, but the api doesn't have to select
messages to return anymore.

Signed-off-by: David Calavera <david.calavera@gmail.com>
2015-12-02 16:43:49 -05:00
Morgan Bauer
2abf5d986e
refactor access to daemon member EventsService
Signed-off-by: Morgan Bauer <mbauer@us.ibm.com>
2015-10-19 09:41:29 -07:00
Tibor Vass
b08f071e18 Revert "Merge pull request #16228 from duglin/ContextualizeEvents"
Although having a request ID available throughout the codebase is very
valuable, the impact of requiring a Context as an argument to every
function in the codepath of an API request, is too significant and was
not properly understood at the time of the review.

Furthermore, mixing API-layer code with non-API-layer code makes the
latter usable only by API-layer code (one that has a notion of Context).

This reverts commit de41640435, reversing
changes made to 7daeecd42d.

Signed-off-by: Tibor Vass <tibor@docker.com>

Conflicts:
	api/server/container.go
	builder/internals.go
	daemon/container_unix.go
	daemon/create.go
2015-09-29 14:26:51 -04:00
Doug Davis
26b1064967 Add context.RequestID to event stream
This PR adds a "request ID" to each event generated, the 'docker events'
stream now looks like this:

```
2015-09-10T15:02:50.000000000-07:00 [reqid: c01e3534ddca] de7c5d4ca927253cf4e978ee9c4545161e406e9b5a14617efb52c658b249174a: (from ubuntu) create
```
Note the `[reqID: c01e3534ddca]` part, that's new.

Each HTTP request will generate its own unique ID. So, if you do a
`docker build` you'll see a series of events all with the same reqID.
This allow for log processing tools to determine which events are all related
to the same http request.

I didn't propigate the context to all possible funcs in the daemon,
I decided to just do the ones that needed it in order to get the reqID
into the events. I'd like to have people review this direction first, and
if we're ok with it then I'll make sure we're consistent about when
we pass around the context - IOW, make sure that all funcs at the same level
have a context passed in even if they don't call the log funcs - this will
ensure we're consistent w/o passing it around for all calls unnecessarily.

ping @icecrime @calavera @crosbymichael

Signed-off-by: Doug Davis <dug@us.ibm.com>
2015-09-24 11:56:37 -07:00
Vincent Batts
4026512a2c events/jsonmessage: add and prefer TimeNano for events
This way provide both Time and TimeNano in the event. For the display of
the JSONMessage, use either, but prefer TimeNano Proving only TimeNano
would break Subscribers that are using the `Time` field, so both are set
for backwards compatibility.

The events logging uses nano formatting, but only provides a Unix()
time, therefor ordering may get lost in the output. Example:
```
2015-09-15T14:18:51.000000000-04:00 ee46febd64ac629f7de9cd8bf58582e6f263d97ff46896adc5b508db804682da: (from busybox) resize
2015-09-15T14:18:51.000000000-04:00 a78c9149b1c0474502a117efaa814541926c2ae6ec3c76607e1c931b84c3a44b: (from busybox) resize
```

By having a field just for Nano time, when set, the marshalling back to
`time.Unix(sec int64, nsec int64)` has zeros exactly where it needs to.
This does not break any existing use of jsonmessage.JSONMessage, but now
allows for use of `UnixNano()` and get event formatting that has
distinguishable order. Example:
```
2015-09-15T15:37:23.810295632-04:00 6adcf8ed9f5f5ec059a915466cd1cde86a18b4a085fc3af405e9cc9fecbbbbaf: (from busybox) resize
2015-09-15T15:37:23.810412202-04:00 6b7c5bfdc3f902096f5a91e628f21bd4b56e32590c5b4b97044aafc005ddcb0d: (from busybox) resize
```

Including tests for TimeNano and updated event API reference doc.

Signed-off-by: Vincent Batts <vbatts@redhat.com>
2015-09-18 13:15:26 -04:00
Vincent Batts
09e7dd03f8 daemon/events: let Log be [slightly] blocking
With go1.5's concurrency, the use of a goroutine in Log'ing events was
causing the resulting events to not be in order.

Signed-off-by: Vincent Batts <vbatts@redhat.com>
2015-09-15 14:28:22 -04:00
Alexander Morozov
868f56e083 New package daemon/events
Signed-off-by: Alexander Morozov <lk4d4@docker.com>
2015-04-07 08:43:14 -07:00