storage: adding docker ignore for spdk

SPDK does clone inside, so it doesn't rely on anything
from the context.

To speed up builds and reuse caches better, adding dockerignore

Signed-off-by: Boris Glimcher <[email protected]>

docker-compose.yml

@@ -8,8 +8,7 @@ services:
   spdk:
     image: "ghcr.io/opiproject/opi-spdk:${SPDK_TAG-main}"
     build:
-      context: .
-      dockerfile: Dockerfile
+      context: spdk
     volumes:
       - /dev/hugepages:/dev/hugepages
       - /dev/shm:/dev/shm

spdk/.dockerignore

@@ -0,0 +1 @@
+*

spdk/README.md

@@ -0,0 +1,21 @@
+# OPI Storage SPDK container
+
+This directory contains an example SPDK app to demonstrate the OPI Storage APIs integration.
+
+## Docs
+
+* [JSON RPC Proxy](https://spdk.io/doc/jsonrpc_proxy.html)
+* [SPDK SMA](https://github.com/spdk/spdk/tree/master/python/spdk/sma)
+* [SPDK CSI](https://github.com/spdk/spdk-csi/blob/master/deploy/spdk/Dockerfile)
+* [CSI Spec](https://github.com/container-storage-interface/spec/blob/master/spec.md)
+
+## Getting started
+
+Run `docker-compose up spdk`
+
+## SPDK RPC proxy
+
+```text
+$ curl -k --user spdkuser:spdkpass -X POST -H "Content-Type: application/json" -d '{"id": 1, "method": "bdev_get_bdevs", "params": {"name": "Malloc0"}}' http://127.0.0.1:9009/
+{"jsonrpc":"2.0","id":1,"result":[{"name":"Malloc0","aliases":["f1c5d95a-b235-40af-9e4d-2c0b3320de80"],"product_name":"Malloc disk","block_size":512,"num_blocks":131072,"uuid":"f1c5d95a-b235-40af-9e4d-2c0b3320de80","assigned_rate_limits":{"rw_ios_per_sec":0,"rw_mbytes_per_sec":0,"r_mbytes_per_sec":0,"w_mbytes_per_sec":0},"claimed":false,"zoned":false,"supported_io_types":{"read":true,"write":true,"unmap":true,"write_zeroes":true,"flush":true,"reset":true,"nvme_admin":false,"nvme_io":false},"driver_specific":{}}]}
+```