title |
---|
gRPC Proxy |
proxying gRPC traffic: gRPC client -> APISIX -> gRPC/gRPCS server
scheme
: the scheme
of the route's upstream must be grpc
or grpcs
.uri
: format likes /service/method, Example:/helloworld.Greeter/SayHelloHere's an example, to proxying gRPC service by specified route:
scheme
of the route's upstream must be grpc
or grpcs
.curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
{
"methods": ["POST", "GET"],
"uri": "/helloworld.Greeter/SayHello",
"upstream": {
"scheme": "grpc",
"type": "roundrobin",
"nodes": {
"127.0.0.1:50051": 1
}
}
}'
Invoking the route created before:
$ grpcurl -insecure -import-path /pathtoprotos -proto helloworld.proto -d '{"name":"apisix"}' 127.0.0.1:9443 helloworld.Greeter.SayHello
{
"message": "Hello apisix"
}
grpcurl is a CLI tool, similar to curl, that acts as a gRPC client and lets you interact with a gRPC server. For installation, please check out the official documentation.
This means that the proxying is working.
By default, the APISIX only listens to 9443
for TLS‑encrypted HTTP/2. You can support HTTP/2 with plaintext via the node_listen
section under apisix
in conf/config.yaml
:
apisix:
node_listen:
- port: 9080
enable_http2: false
- port: 9081
enable_http2: true
Invoking the route created before:
$ grpcurl -plaintext -import-path /pathtoprotos -proto helloworld.proto -d '{"name":"apisix"}' 127.0.0.1:9081 helloworld.Greeter.SayHello
{
"message": "Hello apisix"
}
This means that the proxying is working.
If your gRPC service encrypts with TLS by itself (so called gPRCS
, gPRC + TLS), you need to change the scheme
to grpcs
. The example above runs gRPCS service on port 50052, to proxy gRPC request, we need to use the configuration below:
curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: edd1c9f034335f136f87ad84b625c8f1' -X PUT -d '
{
"methods": ["POST", "GET"],
"uri": "/helloworld.Greeter/SayHello",
"upstream": {
"scheme": "grpcs",
"type": "roundrobin",
"nodes": {
"127.0.0.1:50052": 1
}
}
}'
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