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
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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
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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
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:19 -07:00
Solomon Hykes
a5bc75d406
beam/data: expose EncodeString for convenience access to the underlying netstring primitive
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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'
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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
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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
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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
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:18 -07:00
Solomon Hykes
c9b8e0fcac
beam/data: prettier Message.Pretty()
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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
eca6fecb59
beam/data: convenience Message.Pretty() function
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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
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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
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:18 -07:00
Solomon Hykes
bcd31405cf
beam: fix FD leaks in SendPipe
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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
1737063904
beam: more hooks for interactive debugging
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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
6072dec9e7
beam/examples/beamsh: first try at nested execution
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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
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:17 -07:00
Solomon Hykes
488fe61354
beam/data: convenience Message.Get
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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
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:17 -07:00
Solomon Hykes
5bcf2a736c
beam/data: Message.Bytes() convenience method
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:17 -07:00
Solomon Hykes
99dda11d45
beam/data: fix a bug in encoding of multi-value maps
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:17 -07:00
Solomon Hykes
276fb1918d
beam/data: convenience Message type for chained manipulation
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:17 -07:00
Solomon Hykes
916372c76f
Beam: remove leftover debugging messages
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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
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:17 -07:00
Solomon Hykes
97a2c0ebe6
beam/data: a simple format for sending structured data over beam
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:16 -07:00
Solomon Hykes
771e493457
beam/examples/beamsh: more bells and whistles for demos
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* 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
851c1b05d0
Beam: fix bug in beamsh which 'swapped' FDs because of underlying implementation of net.FileConn
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:16 -07:00
Solomon Hykes
4481e80636
pkg/dockerscript: <!> is not a special character
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:16 -07:00
Solomon Hykes
07c03944ff
Beam: don't close the attachment FD when closing superfluous FDs
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:16 -07:00
Solomon Hykes
8875cdf561
Beam: debugging hooks for easy step-by-step inspection of the FD table
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:16 -07:00
Solomon Hykes
f586dcf307
beam/examples/beamsh: use 'log' command to pass stdout
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:16 -07:00
Solomon Hykes
d00a6b7648
beam/examples/beamsh: basic execution of commands, with in-process beam and dummy handlers
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:16 -07:00
Solomon Hykes
f0933a91b0
pkg/dockerscript: remove debug messages
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:16 -07:00
Solomon Hykes
5c14c3ada5
pkg/dockerscript: '.' is not a special character
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:15 -07:00
Solomon Hykes
f94a18677a
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
11f2531da6
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
7f00a3b665
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
fd890136a9
dockerscript: patch text/scanner to use a shell-like syntax instead of the default go-like syntax
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:15 -07:00
Solomon Hykes
cd8ddacdc7
pkg/dockerscript: a simple shell-like syntax to express docker operations
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:15 -07:00
Solomon Hykes
be470f2497
Beam: beamsh is a mini-shell which runs processes and communicates with them over beam
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:15 -07:00
Solomon Hykes
0e42c7d889
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
59853c188d
Beam: USocketPair returns a *net.UnixConn socket pair for convenience.
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:15 -07:00
Solomon Hykes
c401c43cae
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
b637e5f04a
Beam: change the prototype of SendPipe() to return a *net.UnixSocket
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:14 -07:00
Solomon Hykes
188c2ef806
Beam: allow sending messages without attachments.
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Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
2014-04-22 15:50:14 -07:00
Solomon Hykes
3960da04c8
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