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integration: CNI bridge wrapper with failpoint

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Introduce cni-bridge-fp as CNI bridge plugin wrapper binary for CRI
testing.

With CNI `io.kubernetes.cri.pod-annotations` capability enabled, the user
can inject the failpoint setting by pod's annotation
`cniFailpointControlStateDir`, which stores each pod's failpoint setting
named by `${K8S_POD_NAMESPACE}-${K8S_POD_NAME}.json`.

When the plugin is invoked, the plugin will check the CNI_ARGS to get
the failpoint for the CNI_COMMAND from disk. For the testing, the user
can prepare setting before RunPodSandbox.

Signed-off-by: Wei Fu <fuweid89@gmail.com>
This commit is contained in:
Wei Fu
2022-06-19 20:23:27 +08:00
parent 1ae6e8b076
commit be91a219c2
2 changed files with 215 additions and 0 deletions
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6
Makefile
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@@ -228,6 +228,11 @@ bin/containerd-shim-runc-fp-v1: integration/failpoint/cmd/containerd-shim-runc-f
@echo "$(WHALE) $@"
@CGO_ENABLED=${SHIM_CGO_ENABLED} $(GO) build ${GO_BUILD_FLAGS} -o $@ ${SHIM_GO_LDFLAGS} ${GO_TAGS} ./integration/failpoint/cmd/containerd-shim-runc-fp-v1
# build CNI bridge plugin wrapper with failpoint support, only used by integration test
bin/cni-bridge-fp: integration/failpoint/cmd/cni-bridge-fp FORCE
@echo "$(WHALE) $@"
@$(GO) build ${GO_BUILD_FLAGS} -o $@ ./integration/failpoint/cmd/cni-bridge-fp
benchmark: ## run benchmarks tests
@echo "$(WHALE) $@"
@$(GO) test ${TESTFLAGS} -bench . -run Benchmark -test.root
@@ -379,6 +384,7 @@ clean-test: ## clean up debris from previously failed tests
@rm -rf /run/containerd/fifo/*
@rm -rf /run/containerd-test/*
@rm -rf bin/cri-integration.test
@rm -rf bin/cni-bridge-fp
@rm -rf bin/containerd-shim-runc-fp-v1
install: ## install binaries