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Author SHA1 Message Date
Solomon Hykes
8b8e477ede beam/examples/beamsh: catch introspection calls from jobs for proper nesting 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:18 -07:00
Solomon Hykes
5df3aaeda2 beam: fix FD leaks in SendPipe 
This fixes file descriptor leaks in the SendPipe function.

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:18 -07:00
Solomon Hykes
3b5c1c4203 beam: more hooks for interactive debugging 
This inserts low-level hooks for interactive step-by-step debugging.
Hooks are triggered by setting the *TEST* environment variable.

This is particularly useful for tracking down file descriptor leaks,
double-closing, or other issues which are difficult to debug with
the usual toolbox.

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:17 -07:00
Solomon Hykes
a14c83eca3 beam/examples/beamsh: first try at nested execution 
The "wiring" is broken because engine does not keep a reference for handling introspection calls.

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:17 -07:00
Solomon Hykes
438caf6e06 beam/examples/beamsh: fix a bug in the log command 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:17 -07:00
Solomon Hykes
cd44538901 beam/data: convenience Message.Get 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:17 -07:00
Solomon Hykes
b78465fc2a beam/examples/beamsh: use beam/data 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:17 -07:00
Solomon Hykes
dd23e21313 beam/data: Message.Bytes() convenience method 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:17 -07:00
Solomon Hykes
53602b2464 beam/data: fix a bug in encoding of multi-value maps 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:17 -07:00
Solomon Hykes
dbbde543b1 beam/data: convenience Message type for chained manipulation 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:17 -07:00
Solomon Hykes
ccdcd9ff0c Beam: remove leftover debugging messages 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:17 -07:00
Solomon Hykes
0d1d823d2f beam/examples/beamsh: hide debug messages in examples/beamsh by default 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:17 -07:00
Solomon Hykes
132a2bf929 beam/data: a simple format for sending structured data over beam 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:16 -07:00
Solomon Hykes
572952d6ce beam/examples/beamsh: more bells and whistles for demos 
* Automatically switch to interactive mode when stdin is a terminal

* Basic implementation of "responses"

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:16 -07:00
Solomon Hykes
b1090576ae Beam: fix bug in beamsh which 'swapped' FDs because of underlying implementation of net.FileConn 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:16 -07:00
Solomon Hykes
b56b399238 pkg/dockerscript: <!> is not a special character 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:16 -07:00
Solomon Hykes
43331921b0 Beam: don't close the attachment FD when closing superfluous FDs 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:16 -07:00
Solomon Hykes
24c09d0029 Beam: debugging hooks for easy step-by-step inspection of the FD table 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:16 -07:00
Solomon Hykes
83adf99565 beam/examples/beamsh: use 'log' command to pass stdout 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:16 -07:00
Solomon Hykes
0248bb8152 beam/examples/beamsh: basic execution of commands, with in-process beam and dummy handlers 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:16 -07:00
Solomon Hykes
ae5d5dfa2e pkg/dockerscript: remove debug messages 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:16 -07:00
Solomon Hykes
69f4043d3a pkg/dockerscript: '.' is not a special character 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:15 -07:00
Solomon Hykes
bccd390ead Beam: Send: pass the underlying error unchanged to allow io.EOF detection 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:15 -07:00
Solomon Hykes
f4c6f14d0a pkg/dockerscript: expose a simple, clean API with a single Parse method 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:15 -07:00
Solomon Hykes
d1f2f389ff beam/examples/beamsh: correctly parse nested commands 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:15 -07:00
Solomon Hykes
c757cfdcb1 dockerscript: patch text/scanner to use a shell-like syntax instead of the default go-like syntax 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:15 -07:00
Solomon Hykes
d188c734e9 pkg/dockerscript: a simple shell-like syntax to express docker operations 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:15 -07:00
Solomon Hykes
358c2f3ca4 Beam: beamsh is a mini-shell which runs processes and communicates with them over beam 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:15 -07:00
Solomon Hykes
f3671ea62d Beam: basic test harness for the unix socket implementation. 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:15 -07:00
Solomon Hykes
968d5bb08f Beam: USocketPair returns a *net.UnixConn socket pair for convenience. 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:15 -07:00
Solomon Hykes
be03962d64 Beam: fix file descriptor leaks 
* Close all file descriptors successfully sent as attachment
* Close duplicate file descriptors created by net.FileCon and net.UnixConn.File

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:15 -07:00
Solomon Hykes
95b759ad16 Beam: change the prototype of SendPipe() to return a *net.UnixSocket 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:14 -07:00
Solomon Hykes
0a187f629a Beam: allow sending messages without attachments. 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:14 -07:00
Solomon Hykes
c008283f8d Beam: convenience functions Listen and Connect 
These convenience functions expose a familiar face to the unknown and bizarre world of beam networking.

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:14 -07:00
Solomon Hykes
932149b2a7 Beam: a simple stream-oriented communication protocol for distributed systems. 
This patch includes a stripped down implementation with a bare minimum
unix socket transport. It relies on fd passing for stream multiplexing.

The purpose of this first patch is to allow implementation of dynamic
linking, which will allow advanced service discovery.

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:14 -07:00
Guillaume J. Charmes
3ee90e1348 Merge pull request #5328 from crosbymichael/refactor-cgroups 
Refactor cgroups into subsystems and support metrics
 2014-04-21 14:06:17 -07:00
unclejack
e353fa62bb Merge pull request #5223 from crosbymichael/load-profile 
Use apparmor parser directly
 2014-04-21 21:50:59 +03:00
Guillaume J. Charmes
296ec56759 Merge branch 'master' into load-profile 
Conflicts:
	daemon/execdriver/native/create.go
	daemon/execdriver/native/driver.go

Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume@charmes.net> (github: creack)
 2014-04-21 10:32:13 -07:00
Guillaume J. Charmes
29c10b7427 Make sure @proc is defined 
Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume@charmes.net> (github: creack)
 2014-04-21 10:28:04 -07:00
Michael Crosby
ded58db1eb Use cgo to get systems clock ticks for metrics 
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
 2014-04-21 10:26:22 -07:00
Michael Crosby
26bd4906d6 Refactor stat parsing to use only 8 fields 
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
 2014-04-20 20:45:08 -07:00
Evan Hazlett
ef26b1c65e work on cpu stats 
Docker-DCO-1.1-Signed-off-by: Evan Hazlett <ejhazlett@gmail.com> (github: ehazlett)
 2014-04-21 00:07:05 -04:00
Michael Crosby
21e6eeffb9 Add freezer stats 
This one is a problem because the most useful stat is a string and not a
float like verything else.  We may have to change the return type
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
 2014-04-20 18:35:33 -07:00
Michael Crosby
e09e819712 Reuse cpuacct stats for cpu subsystem 
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
 2014-04-20 18:20:44 -07:00
Michael Crosby
3bd149f766 Fix parsing of blkio files 
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
 2014-04-20 18:18:17 -07:00
Michael Crosby
dcbca94904 Add external function to get cgroup stats 
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
 2014-04-20 17:36:20 -07:00
Michael Crosby
ab15aa234c Refactor stats and add them to all subsystems 
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
 2014-04-20 12:02:39 -07:00
Michael Crosby
b5b44ad439 Squashed commit of the following: 
commit 75af1649b063abbc5d662fd2f8bc4ff62c927687
Author: Evan Hazlett <ejhazlett@gmail.com>
Date:   Sun Apr 20 01:32:42 2014 -0400

    more refactor

commit 43b36d0f15d634497127bcb17dacaa70ae92e903
Author: Evan Hazlett <ejhazlett@gmail.com>
Date:   Sun Apr 20 01:11:49 2014 -0400

    refactored cgroup param parsing to util func

commit e3738b0168a075bd92ec828879b0e46bdbbe3845
Author: Evan Hazlett <ejhazlett@gmail.com>
Date:   Sun Apr 20 00:57:19 2014 -0400

    dat error checking

commit 57872bcc59403ecd308cfe97c78f73d6ca58d165
Author: Evan Hazlett <ejhazlett@gmail.com>
Date:   Sun Apr 20 00:43:25 2014 -0400

    proper use of fmt.Errorf

commit 43dad6acc0cb21aac2b04ce074699879898ee820
Author: Evan Hazlett <ejhazlett@gmail.com>
Date:   Sun Apr 20 00:36:45 2014 -0400

    proper placement of defer

commit b7f20b934b2bc92cd39397dbc608b77bff28493c
Author: Evan Hazlett <ejhazlett@gmail.com>
Date:   Sun Apr 20 00:34:39 2014 -0400

    defers, error checking, panic avoidance

commit 7a9a6ff267f8806dfe6676486f73fe89b72968fb
Author: Evan Hazlett <ejhazlett@gmail.com>
Date:   Sun Apr 20 00:22:00 2014 -0400

    data param to use container info instead of host

commit 0e0cf7309be1644687160d6519db792b23cd26e9
Author: Evan Hazlett <ejhazlett@gmail.com>
Date:   Sun Apr 20 00:11:29 2014 -0400

    added stats for cpuacct, memory, and blkio

Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
 2014-04-20 11:34:28 -07:00
Michael Crosby
810cf722cc Add remove method to subsystems 
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
 2014-04-18 22:17:31 -07:00
Michael Crosby
bb89b83c68 Break down groups into subsystems 
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
 2014-04-18 22:10:30 -07:00