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https://github.com/linuxkit/linuxkit.git
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0511fdb431
Adds a logging daemon that collects logs in a ring buffer in a runc container. The tools logwrite and logread can be used to read/write logs. The logging daemon can be sent open file descriptors that will be read and included in the logs. Modifies init to start the daemon and use logwrite to capture logs from runc. Signed-off-by: Magnus Skjegstad <magnus@skjegstad.com>
67 lines
2.5 KiB
Makefile
67 lines
2.5 KiB
Makefile
GO_COMPILE=mobylinux/go-compile:3afebc59c5cde31024493c3f91e6102d584a30b9@sha256:e0786141ea7df8ba5735b63f2a24b4ade9eae5a02b0e04c4fca33b425ec69b0a
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SHA_IMAGE=alpine:3.5@sha256:dfbd4a3a8ebca874ebd2474f044a0b33600d4523d03b0df76e5c5986cb02d7e8
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MEMLOGD_BINARY=usr/bin/memlogd
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LOGWRITE_BINARY=usr/bin/logwrite
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STARTMEMLOGD_BINARY=usr/bin/startmemlogd
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LOGREAD_BINARY=sbin/logread
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IMAGE=memlogd
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.PHONY: tag push clean container
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default: tag
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DEPS=$(MEMLOGD_BINARY) $(LOGWRITE_BINARY) $(STARTMEMLOGD_BINARY) $(LOGREAD_BINARY)
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$(MEMLOGD_BINARY): cmd/memlogd/main.go
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mkdir -p $(dir $@)
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tar -Ccmd/memlogd -cf - main.go | docker run --rm --net=none --log-driver=none -i $(GO_COMPILE) -o $@ | tar xf -
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$(LOGWRITE_BINARY): cmd/logwrite/main.go
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mkdir -p $(dir $@)
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tar -Ccmd/logwrite -cf - main.go | docker run --rm --net=none --log-driver=none -i $(GO_COMPILE) -o $@ | tar xf -
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$(STARTMEMLOGD_BINARY): cmd/startmemlogd/main.go
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mkdir -p $(dir $@)
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tar -Ccmd/startmemlogd -cf - main.go | docker run --rm --net=none --log-driver=none -i $(GO_COMPILE) -o $@ | tar xf -
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$(LOGREAD_BINARY): cmd/logread/main.go
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mkdir -p $(dir $@)
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tar -Ccmd/logread -cf - main.go | docker run --rm --net=none --log-driver=none -i $(GO_COMPILE) -o $@ | tar xf -
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containers: $(MEMLOGD_BINARY) Dockerfile.memlogd config.json
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mkdir -p containers/init/memlogd/rootfs
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tar -cf - $^ | docker build -f Dockerfile.memlogd -t $(IMAGE):build1 --no-cache -
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docker create --name $(IMAGE)-build1 $(IMAGE):build1
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docker export $(IMAGE)-build1 | tar -Ccontainers/init/memlogd/rootfs -xv -
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docker rm $(IMAGE)-build1
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docker rmi $(IMAGE):build1
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mv containers/init/memlogd/rootfs/Dockerfile.memlogd containers/init/memlogd/rootfs/Dockerfile
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mv containers/init/memlogd/rootfs/config.json containers/init/memlogd
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container: Dockerfile $(LOGWRITE_BINARY) $(STARTMEMLOGD_BINARY) $(LOGREAD_BINARY) containers
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tar cf - $^ | docker build --no-cache -t $(IMAGE):build -
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hash: Dockerfile Dockerfile.memlogd $(DEPS)
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find $^ -type f | xargs cat | docker run --rm -i $(SHA_IMAGE) sha1sum - | sed 's/ .*//' > hash
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push: hash container
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docker pull linuxkit/$(IMAGE):$(shell cat hash) || \
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(docker tag $(IMAGE):build linuxkit/$(IMAGE):$(shell cat hash) && \
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docker push linuxkit/$(IMAGE):$(shell cat hash))
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docker rmi $(IMAGE):build
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rm -f hash
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tag: hash container
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docker pull linuxkit/$(IMAGE):$(shell cat hash) || \
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docker tag $(IMAGE):build linuxkit/$(IMAGE):$(shell cat hash)
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docker rmi $(IMAGE):build
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rm -f hash
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clean:
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rm -rf hash usr containers sbin
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.DELETE_ON_ERROR:
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