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58 Commits

Author SHA1 Message Date
Solomon Hykes 2c9e18009f Fix stdin handling in engine.Sender and engine.Receiver 
This introduces a superficial change to the Beam API:

* `beam.SendPipe` is renamed to the more accurate `beam.SendRPipe`
* `beam.SendWPipe` is introduced as a mirror to `SendRPipe`

There is no other change in the beam API.

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-05-09 15:39:55 -07:00
Solomon Hykes e1ace86c5a Fix Go formatting in beam and dockerscript 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 16:16:29 -07:00
Solomon Hykes 2a5908261b beam/examples/beamsh: 'chdir' changes the current directory 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:24 -07:00
Solomon Hykes 47751cc50e beam/examples/beamsh: 'exec' can communicate with its child via beam. 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:24 -07:00
Solomon Hykes d599ab2f65 beam/examples/beamsh: use beam.Router to simplify 'multiprint' and fix job passthrough 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:23 -07:00
Solomon Hykes 8bc15104e2 beam/examples/beamsh: use beam.Router to simplify 'trace' 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:23 -07:00
Solomon Hykes f84e7624aa beam/examples/beamsh: move builtins to a separate file for readability 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:23 -07:00
Solomon Hykes 6a727eb78d beam/examples/beamsh: simplify commands by always creating and sending stdout and stderr for them 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:23 -07:00
Solomon Hykes cfee34a9a7 beam/examples/beamsh: use beam.Router to simplify 'logger' 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:23 -07:00
Solomon Hykes e94309f056 beam/examples/beamsh: use beam.Router to simplify the 'stdio' command 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:23 -07:00
Solomon Hykes 0e85dc3423 beam: Router can route beam messages with a convenient set of rules and handlers 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:23 -07:00
Solomon Hykes b645a78485 beam/examples/beamsh: move example scripts to scripts/ 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:22 -07:00
Solomon Hykes 7436d1a9ca beam/examples/beamsh: add scripts to reproduce various bugs 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:22 -07:00
Solomon Hykes 1cfa87002c beam/examples/beamsh: fix 'print' to be pass-through 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:22 -07:00
Solomon Hykes 09c76a202f beam/examples/beamsh: rename 'log' to 'logger' to avoid conflict with stdout/stderr 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:22 -07:00
Solomon Hykes 107326fa98 beam/examples/beamsh: 'prompt' asks the user for a value and sends it. 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:22 -07:00
Solomon Hykes 2bc94d4bdc beam/examples/beamsh: commands are messages. 
Commands in the pipeline should either implement or pass-through command messages.

This amounts to a proof-of-concept implementation of the "pipeline"
design of Docker plugins.

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:22 -07:00
Solomon Hykes 3cf484f376 beam/examples/beamsh: cosmetic fix in Fatalf 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:22 -07:00
Solomon Hykes 5f8c6df2a0 beam/examples/beamsh: miniserver.ds demo 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:21 -07:00
Solomon Hykes 626ef1644c beam: improve the API with Sender/Receiver interfaces and utilities: Copy/SendPipe/SendPair 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:21 -07:00
Solomon Hykes e64b46fb78 beam/examples/beamsh: add a few example dockerscripts 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:21 -07:00
Solomon Hykes bc22e5589e beam/examples/beamsh: simplify code by using sendWPipe utility 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:21 -07:00
Solomon Hykes 2b2877029b beam/examples/beamsh: move code around for readability 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:21 -07:00
Solomon Hykes 7064475a5c beam/examples/beamsh: 'exec' adds 'fromcmd' field to its output 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:21 -07:00
Solomon Hykes 8c663c2c1c beam/examples/beamsh: simple 'log' command tees streams to a local directory 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:21 -07:00
Solomon Hykes 01dabeee93 beam/examples/beamsh: 'render' and 'beamsh -x' 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:20 -07:00
Solomon Hykes b315532068 beam/examples/beamsh: run commands in an implicit context of pre-loaded 'plugins' 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:20 -07:00
Solomon Hykes d35913e670 beam/examples/beamsh: convenience commands 'devnull', 'echo' and 'stdio' 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:20 -07:00
Solomon Hykes d3d341427d beam/examples/beamsh: 'emit' supports key=value syntax to compose arbitrary objects 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:20 -07:00
Solomon Hykes e34273628f beam/examples/beamsh: support for background commands with '&' terminator 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:20 -07:00
Solomon Hykes ff7cba6d96 beam/examples/beamsh: scripts can be passed as filenames 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:20 -07:00
Solomon Hykes 468f668e72 beam/examples/beamsh: remote communication over beam (experimental). 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:20 -07:00
Solomon Hykes dc654b49e1 beam/examples/beamsh: 'in' chdirs to a directory. 'pass' does simple passthrough 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:19 -07:00
Solomon Hykes 1eaf4868ce beam/examples/beamsh: 'beamsend' command serializes all messages and sends them over a network connection 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:19 -07:00
Solomon Hykes 2cb3d6a39b beam/examples/beamsh: 'exec' command correctly closes stdout and stderr when the process exists 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:19 -07:00
Solomon Hykes 8f78f640c5 beam/examples/beamsh: don't print discarded messages in Devnull 
This avoids false alarms when process exits without printing. Devnull
doesn't require synchronization.

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:19 -07:00
Solomon Hykes 5fde78f8d2 beam/examples/beamsh: more useful debugging 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:19 -07:00
Solomon Hykes e15d6a4986 beam/examples/beamsh: utility function 'fileToConn' 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:19 -07:00
Solomon Hykes b483fd5201 beam/examples/beamsh: 'connect' command 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:19 -07:00
Solomon Hykes f2873058c4 beam/examples/beamsh: 'exec' and 'listen' commands 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:19 -07:00
Solomon Hykes 3c0d7272cb beam/examples/beamsh: prettier devnull 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:18 -07:00
Solomon Hykes 00b272c252 beam/examples/beamsh: prettier 'trace' command 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:18 -07:00
Solomon Hykes 2f5d969e92 beam/examples/beamsh: basic implementation of the pipeline design, with static handlers for now. 
In the pipeline design, several beam commands can be run concurrently,
with their respective inputs and outputs connected in such a way that
beam messages flow from the first to last. This is similar to the way
a unix shell executes commands in a pipeline: instead of STDIN and
STDOUT, each beam command has a "BEAMIN" and "BEAMOUT".

Since beam allows for richer communication than plain byte streams, beam
pipelines can express more powerful computation, while retaining the
fundamental elegance and ease of use of unix-style composition.

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:18 -07:00
Solomon Hykes 9a55cd843c beam/examples/beamsh: better debugging messages 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:18 -07:00
Solomon Hykes e15ca384c3 beam/examples/beamsh: simple 'exec' command 
Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
 2014-04-22 15:50:18 -07:00
Solomon Hykes 8ca0062327 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 2d616c1231 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 3b2dcdf7e4 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 d87bffe5ef 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 e3b4161639 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