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58 Commits

Author SHA1 Message Date
Solomon Hykes 0aeff69e59 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 bf51f36d8f 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 bc6303f15d 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 6ce4d2c842 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 271ba18043 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 30424f4e3a 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 d3df4b5baf 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 0822d67b2d 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 63fd2ec0f7 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 9206b18818 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 8f5435e80c 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 40b4f86eab 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 06df94d55b 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 d0ca66dded 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 b97375fc29 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 a2b88b4915 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 ed62ca5b2f 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 2f4b8b7e8d 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 5833e78887 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 70d3262161 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 207e604bad 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 29ddf2be1e 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 1dc449e11d 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 3a2b31a30b 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 7534f7a34b 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 4f5b94d369 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 4ebe7aab91 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 cd85af06fe 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 6d9cdbf24f 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 6e0a156d90 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 e1c8dbba97 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 222fc87ade 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 371f6fc63d 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 6d5c75a224 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 5ddf673851 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 e512fef425 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 34c5724b89 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 fb1af1f0bc 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 74b90c25d9 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 dff9854305 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 3686d50429 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 d7a2ae8e13 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 d4920b3fff 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 ec288895e5 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 ab2010cfd3 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 5689792171 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 6072dec9e7 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 8697490740 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 460c98d92d 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 cb66e8c136 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