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Instead of serving the metrics over HTTP, we now use ttrpc and implement a more generic "shim service" that can be used for different purposes than just metrics.
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@@ -83,6 +83,12 @@ generate: export BPF_CFLAGS := $(CFLAGS) | |
| generate: | ||
| docker run --rm -v $(PWD):/app:Z --user $(shell id -u):$(shell id -g) --env=BPF_CLANG="$(CLANG)" --env=BPF_CFLAGS="$(CFLAGS)" $(EBPF_IMAGE) | ||
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| ttrpc: | ||
| cd api/shim/v1; protoc --go_out=. --go_opt=paths=source_relative \ | ||
| --ttrpc_out=. --plugin=protoc-gen-ttrpc=`which protoc-gen-go-ttrpc` \ | ||
| --ttrpc_opt=paths=source_relative *.proto -I. \ | ||
| -I ${GOPATH}/pkg/mod/github.com/prometheus/[email protected] | ||
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| # to improve reproducibility of the bpf builds, we dump the vmlinux.h and | ||
| # store it compressed in git instead of dumping it during the build. | ||
| update-vmlinux: | ||
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| @@ -0,0 +1,19 @@ | ||
| syntax = "proto3"; | ||
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| package zeropod.shim.v1; | ||
| option go_package = "github.com/ctrox/zeropod/api/shim/v1/;v1"; | ||
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| import "google/protobuf/empty.proto"; | ||
| import "io/prometheus/client/metrics.proto"; | ||
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| service Shim { | ||
| rpc Metrics(MetricsRequest) returns (MetricsResponse); | ||
| } | ||
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| message MetricsResponse { | ||
| repeated io.prometheus.client.MetricFamily metrics = 1; | ||
| } | ||
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| message MetricsRequest { | ||
| google.protobuf.Empty empty = 1; | ||
| } |
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