P4Runtime uses a "complex" error message format to report errors for
batched Write & Read RPC requests. Some effort is required to parse the
error messages appropriately in order to print some useful debugging
information.
Running the exercises can race:
$ make run
mkdir -p build pcaps logs
p4c-bm2-ss --p4v 16 --p4runtime-file build/basic.p4info --p4runtime-format text -o build/basic.json basic.p4
sudo python ../../utils/run_exercise.py -t topology.json -b simple_switch_grpc
Reading topology file.
Building mininet topology.
Switch port mapping:
s1: 1:h1 2:s2 3:s3
s2: 1:h2 2:s1 3:s3
s3: 1:h3 2:s1 3:s2
Configuring switch s3 using P4Runtime with file s3-runtime.json
- Using P4Info file build/basic.p4info...
- Connecting to P4Runtime server on 127.0.0.1:50053 (bmv2)...
- Setting pipeline config (build/basic.json)...
Traceback (most recent call last):
File "../../utils/run_exercise.py", line 408, in <module>
exercise.run_exercise()
File "../../utils/run_exercise.py", line 207, in run_exercise
self.program_switches()
File "../../utils/run_exercise.py", line 312, in program_switches
self.program_switch_p4runtime(sw_name, sw_dict)
File "../../utils/run_exercise.py", line 284, in program_switch_p4runtime
proto_dump_fpath=outfile)
File "/home/p4/tutorials/utils/p4runtime_lib/simple_controller.py", line 120, in program_switch
bmv2_json_file_path=bmv2_json_fpath)
File "/home/p4/tutorials/utils/p4runtime_lib/switch.py", line 85, in SetForwardingPipelineConfig
self.client_stub.SetForwardingPipelineConfig(request)
File "/usr/local/lib/python2.7/dist-packages/grpc/_interceptor.py", line 141, in __call__
return call_future.result()
File "/usr/local/lib/python2.7/dist-packages/grpc/_channel.py", line 272, in result
raise self
grpc._channel._Rendezvous: <_Rendezvous of RPC that terminated with (StatusCode.PERMISSION_DENIED, Not master)>
../../utils/Makefile:27: recipe for target 'run' failed
make: *** [run] Error 1
Fix that by waiting for one response after sending MasterArbitrationUpdate.
Signed-off-by: Alex Badea <alex.badea@keysight.com>
* Fixed location of pcaps and bmv2 logs
Also added reference to P4Runtime request logs to welcome message
* Fixed pcap/log location for Thrift/CLI-based switch class
* Repository reorganization for 2018 Spring P4 Developer Day.
* Port tutorial exercises to P4Runtime with static controller (#156)
* Switch VM to a minimal Ubuntu 16.04 desktop image
* Add commands to install Protobuf Python bindings to user_bootstrap.sh
* Implement P4Runtime static controller for use in exercises
From the exercise perspective, the main difference is that control plane
rules are now specified using JSON files instead of CLI commands. Such
JSON files define rules that use the same name for tables, keys, etc. as
in the P4Info file.
All P4Runtime requests generated as part of the make run process are
logged in the exercise's “logs” directory, making it easier for students
to see the actual P4Runtime messages sent to the switch.
Only the "basic" exercise has been ported to use P4Runtime.
The "p4runtime" exercise has been updated to work with P4Runtime
protocol changes.
Known issues:
- make run hangs in case of errors when running the P4Runtime controller
(probably due to gRPC stream channel threads not terminated properly)
- missing support for inserting table entries with default action
(can specify in P4 program as a workaround)
* Force install protobuf python module
* Fixing Ctrl-C hang by shutdown switches
* Moving gRPC error print to function for readability
Unforuntately, if this gets moved out of the file, the process hangs.
We'll need to figure out how why later.
* Renaming ShutdownAllSwitches -> ShutdownAllSwitchConnections
* Reverting counter index change
* Porting the ECN exercise to use P4 Runtime Static Controller
* updating the README in the ecn exercise to reflect the change in rule files
* Allow set table default action in P4Runtime static controller
* Fixed undefined match string when printing P4Runtime table entry
* Updated basic_tunnel exercise to use P4Runtime controller.
* Changed default action in the basic exercise's ipv4_lpm table to drop
* Porting the MRI exercise to use P4runtime with static controller
* Updating readme to reflect the change of controller for mri
* Update calc exercise for P4Runtime static controller
* Port source_routing to P4 Runtime static controller (#157)
* Port Load Balance to P4 Runtime Static Controller (#158)
* Added advanced Heavy Hitter Detection example
* Changed directory location
* Restored skeleton version
* Added files for common run infra with the other tutorials
* Updated readme
* Autogenerate setup rules
* Commends in simple_router.p4
* Fix typos
* Removed commended out lines
Starting with version 1.11, bmv2 conforms with the P4_16 spec and
push_front no longer marks new headers as valid. With this commit, we
add calls to setValid after calls to push_front. For people using older
bmv2 versions, this means that the new header will be marked valid twice
in a row, which should not be an issue.
Please let me know if I'm not supposed to edit this file directly. I have not used tocdoc before, but judging by the comments it seems ok to edit this way.
* Copying P4D2 Fall 2017 into P4D2 2018 East.
* Updated P4D2_2018_East VM. Added vagrant URL workaround, cdrom to VM. Updated to latest commits of BMV2, p4c, PI. Known issue with p4runtime exercise.
* Applied patch from @antoninbas in and updated solution
* Adding initial implementation of basic_encap example
* Updated basic_encap example to count the number of valid packets
* Updated basic_encap example to put encapsulation layer after Ethernet
header.
* Added solution file for basic_encap example
* Changed the name of the basic_encap example to basic_tunnel and called
the new header myTunnel. Also changed the myTunnel field names slightly.
* Updated the README file for the basic_tunnel exercise. Also added topo.pdf
image to serve as a reference during implementation.
* Updated basic/README.md to point to basic_tunnel as the next exercise.
* Updated the README for basic to point to basic_tunnel.
Updated the starter code for basic_tunnel to look like basic
solution with todo comments.
Updated send.py and receive.py to be able to send both plain IP
packets and tunneled IP packets.
Updated basic_tunnel.p4 to have same control flow as p4runtime
exercise.
* Updated the basic and basic_tunnel README files to remove references
to the old run.sh script.
Updated TODO list in basic_tunnel README
* Updated README files to indicate logs are in /tmp
* Updated README for basic_tunnel exercise to specify the etherType
field value.
Updating the P4Switch class to use different mechanism
for checking when the switch is listening on the Thrift
port. This might fix an issues where Mininet hangs on
start.
The previous implementation had a race conditiona between the
socket check and the BMv2 startup. Sometimes, if the check happen
just before (or as) BMv2 was trying to bind the port, it would
not be able to bind it. This solution uses psutil's equivalent
to 'netstat' to determine whether is BMv2 has bound the port yet.
Also, some minor README and comment improvements.
- Minor fixes to p4runtime exercise and README
- Adding p4runtime/solution
- Adding p4runtime/topology.json
- Updating .gitignore to include solution directory and topology.json
- Fixing root-bootstrap to exit on errors
- Updating VM name in Vagrantfile
- Setting up VM to automatically log 'p4' user in on startup
* Adding initial implementation of basic_encap example
* Updated basic_encap example to count the number of valid packets
* Updated basic_encap example to put encapsulation layer after Ethernet
header.
* Added solution file for basic_encap example
* Changed the name of the basic_encap example to basic_tunnel and called
the new header myTunnel. Also changed the myTunnel field names slightly.
* Updated the README file for the basic_tunnel exercise. Also added topo.pdf
image to serve as a reference during implementation.
* Updated basic/README.md to point to basic_tunnel as the next exercise.
* Updated the README for basic to point to basic_tunnel.
Updated the starter code for basic_tunnel to look like basic
solution with todo comments.
Updated send.py and receive.py to be able to send both plain IP
packets and tunneled IP packets.
Updated basic_tunnel.p4 to have same control flow as p4runtime
exercise.
* Updated the basic and basic_tunnel README files to remove references
to the old run.sh script.
Updated TODO list in basic_tunnel README
* Updated README files to indicate logs are in /tmp
Summary of changes:
- Adding the p4runtime starter code and solution.
- Adding NO_P4, BMV2_SWITCH_EXE and P4C_ARGS to utils/Makefile
- Updated p4runtime/Makefile to use variables
- Adding conversion functions for match and action param values
- Separating P4Info and P4Runtime libraries
- Updating global README and adding p4runtime/README.md
- Disabling screen saver on VM GUI
- Adding desktop icons for Terminal, Wireshare and Sublime Text
- Updating topo.pdf -> png for Markdown viewing in basic_tunnel and
p4runtime READMEs
* Adding initial implementation of basic_encap example
* Updated basic_encap example to count the number of valid packets
* Updated basic_encap example to put encapsulation layer after Ethernet
header.
* Added solution file for basic_encap example
* Changed the name of the basic_encap example to basic_tunnel and called
the new header myTunnel. Also changed the myTunnel field names slightly.
* Updated the README file for the basic_tunnel exercise. Also added topo.pdf
image to serve as a reference during implementation.
* Updated basic/README.md to point to basic_tunnel as the next exercise.
* Updated the README for basic to point to basic_tunnel.
Updated the starter code for basic_tunnel to look like basic
solution with todo comments.
Updated send.py and receive.py to be able to send both plain IP
packets and tunneled IP packets.
Updated basic_tunnel.p4 to have same control flow as p4runtime
exercise.
* Updated the basic and basic_tunnel README files to remove references
to the old run.sh script.
Updated TODO list in basic_tunnel README
* Adding initial implementation of basic_encap example
* Updated basic_encap example to count the number of valid packets
* Updated basic_encap example to put encapsulation layer after Ethernet
header.
* Added solution file for basic_encap example
* Changed the name of the basic_encap example to basic_tunnel and called
the new header myTunnel. Also changed the myTunnel field names slightly.
* Updated the README file for the basic_tunnel exercise. Also added topo.pdf
image to serve as a reference during implementation.
* Updated basic/README.md to point to basic_tunnel as the next exercise.
* Updated the README for basic to point to basic_tunnel.
Updated the starter code for basic_tunnel to look like basic
solution with todo comments.
Updated send.py and receive.py to be able to send both plain IP
packets and tunneled IP packets.
Updated basic_tunnel.p4 to have same control flow as p4runtime
exercise.
* Added Makefile and topology.jsons for all examples.
* use branch
* Updated MRI exercise (#73)
* Updated MRI exercise
* Updated basic_tunnel.p4 for changes to p4 lang
* updated other examples
* Created p4runtime exercise directory with draft P4 program
* Updating VM
- Adding p4 to vboxsf group for VirtualBox Shared Folders
- Adding gRPC Python package for p4 runtime
- Setting up VM to use 2 CPUs
* Updating .gitignore for PyCharms and Mac OS
* Adding P4RuntimeSwitch type and support in run_exercises
If the grpc switch target is used, we will instantiate a P4RuntimeSwitch.
Ideally, this will get merged with BMv2's P4Switch and can be removed
* Adding p4 runtime and p4info browser libraries
Also, adding a Makefile for this project
