This patch series aims to enhance the developer experience when
working with the I-P engine.
The first two patches in this series were manually coded, while the
last two were generated using vibe coding. Patch 3 specifically
introduces the capability to dump the I-P engine's Directed Acyclic
Graph (DAG) into a human-consumable DOT file. This feature is
implemented for ovn-northd and ovn-controller, which are the only
components currently utilizing the I-P engine. The DOT file can then
be easily transformed into a PNG or similar image format, aiding in
visualization and debugging.
The AI experience for code generation was satisfactory, requiring only
minor tweaks to the generated code. I have reviewed the AI-assisted
generated code and it does not look very different from what would
have been manually coded. However, generating test cases with AI did
not work well, so all test cases have been fully manually coded.
NOTE: the cover letter contents above have also been "vibe-coded" :)
Assisted-by: gemini-cli, with model: gemini-3-pro-preview
Dumitru Ceara (4):
controller: Make I-P engine node definitions global.
controller: Move I-P engine initialization to separate function.
northd: controller: Support dumping a visual representation of the I-P
graph.
docs: Add OVN Incremental Processing Engine documentation.
Documentation/automake.mk | 4 +
.../datapath-sync-graph.png | Bin 0 -> 94992 bytes
.../incremental-processing/evpn-arp-graph.png | Bin 0 -> 285440 bytes
.../incremental-processing.rst | 211 +++
.../topics/incremental-processing/index.rst | 31 +
Documentation/topics/index.rst | 1 +
build-aux/initial-tab-whitelist | 1 +
controller/ovn-controller.c | 1203 +++++++++--------
lib/inc-proc-eng.c | 64 +-
lib/inc-proc-eng.h | 23 +-
northd/ovn-northd.c | 25 +
tests/automake.mk | 3 +-
tests/ovn-inc-proc-graph-dump.at | 513 +++++++
tests/testsuite.at | 1 +
14 files changed, 1511 insertions(+), 569 deletions(-)
create mode 100644
Documentation/topics/incremental-processing/datapath-sync-graph.png
create mode 100644
Documentation/topics/incremental-processing/evpn-arp-graph.png
create mode 100644
Documentation/topics/incremental-processing/incremental-processing.rst
create mode 100644 Documentation/topics/incremental-processing/index.rst
create mode 100644 tests/ovn-inc-proc-graph-dump.at
--
2.51.1
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