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394eea0231
This driver implements the storagedriver.StorageDriver interface and
uses Ceph Object Storage as storage backend.
Since RADOS is an object storage and no hierarchy notion, the
following convention is used to keep the filesystem notions stored in
this backend:
* All the objects data are stored with opaque UUID names prefixed
(e.g. "blob:d3d232ff-ab3a-4046-9ab7-930228d4c164).
* All the hierarchy information are stored in rados omaps, where the
omap object identifier is the virtual directory name, the keys in
a specific are the relative filenames and the values the blob
object identifier (or empty value for a sub directory).
e.g. For the following hierarchy:
/directory1
/directory1/object1
/directory1/object2
/directory1/directory2/object3
The omap "/directory1" will contains the following key / values:
- "object1" "blob:d3d232ff-ab3a-4046-9ab7-930228d4c164"
- "object2" "blob:db2e359d-4af0-4bfb-ba1d-d2fd029866a0"
- "directory2" ""
The omap "/directory1/directory2" will contains:
- "object3" "blob:9ae2371c-81fc-4945-80ac-8bf7f566a5d9"
* The MOVE is implemented by changing the reference to a specific
blob in its parent virtual directory omap.
This driver stripes rados objects to a fixed size (e.g. 4M). The idea
is to keep small objects (as done by RBD on the top of RADOS) that
will be easily synchronized accross OSDs. The information of the
original object (i.e total size of the chunks) is stored as a Xattr
in the first chunk object.
Signed-off-by: Vincent Giersch <vincent.giersch@ovh.net>
82 lines
2.4 KiB
Makefile
82 lines
2.4 KiB
Makefile
# Set an output prefix, which is the local directory if not specified
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PREFIX?=$(shell pwd)
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# Used to populate version variable in main package.
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VERSION=$(shell git describe --match 'v[0-9]*' --dirty='.m' --always)
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GO_LDFLAGS=-ldflags "-X `go list ./version`.Version $(VERSION)"
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.PHONY: clean all fmt vet lint build test binaries
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.DEFAULT: default
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all: AUTHORS clean fmt vet fmt lint build test binaries
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AUTHORS: .mailmap .git/HEAD
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git log --format='%aN <%aE>' | sort -fu > $@
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# This only needs to be generated by hand when cutting full releases.
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version/version.go:
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./version/version.sh > $@
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${PREFIX}/bin/registry: version/version.go $(shell find . -type f -name '*.go')
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@echo "+ $@"
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@go build -tags "${DOCKER_BUILDTAGS}" -o $@ ${GO_LDFLAGS} ./cmd/registry
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${PREFIX}/bin/registry-api-descriptor-template: version/version.go $(shell find . -type f -name '*.go')
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@echo "+ $@"
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@go build -o $@ ${GO_LDFLAGS} ./cmd/registry-api-descriptor-template
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${PREFIX}/bin/dist: version/version.go $(shell find . -type f -name '*.go')
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@echo "+ $@"
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@go build -o $@ ${GO_LDFLAGS} ./cmd/dist
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docs/spec/api.md: docs/spec/api.md.tmpl ${PREFIX}/bin/registry-api-descriptor-template
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./bin/registry-api-descriptor-template $< > $@
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vet:
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@echo "+ $@"
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@go vet ./...
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fmt:
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@echo "+ $@"
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@test -z "$$(gofmt -s -l . | grep -v Godeps/_workspace/src/ | tee /dev/stderr)" || \
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echo "+ please format Go code with 'gofmt -s'"
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lint:
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@echo "+ $@"
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@test -z "$$(golint ./... | grep -v Godeps/_workspace/src/ | tee /dev/stderr)"
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build:
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@echo "+ $@"
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@go build -tags "${DOCKER_BUILDTAGS}" -v ${GO_LDFLAGS} ./...
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test:
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@echo "+ $@"
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@go test -test.short -tags "${DOCKER_BUILDTAGS}" ./...
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test-full:
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@echo "+ $@"
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@go test ./...
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binaries: ${PREFIX}/bin/registry ${PREFIX}/bin/registry-api-descriptor-template ${PREFIX}/bin/dist
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@echo "+ $@"
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clean:
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@echo "+ $@"
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@rm -rf "${PREFIX}/bin/registry" "${PREFIX}/bin/registry-api-descriptor-template"
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# Use the existing docs build cmds from docker/docker
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# Later, we will move this into an import
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DOCS_MOUNT := $(if $(DOCSDIR),-v $(CURDIR)/$(DOCSDIR):/$(DOCSDIR))
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DOCSPORT := 8000
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DOCKER_DOCS_IMAGE := docker-docs-$(VERSION)
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DOCKER_RUN_DOCS := docker run --rm -it $(DOCS_MOUNT) -e AWS_S3_BUCKET -e NOCACHE
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docs: docs-build
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$(DOCKER_RUN_DOCS) -p $(DOCSPORT):8000 "$(DOCKER_DOCS_IMAGE)" mkdocs serve
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docs-shell: docs-build
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$(DOCKER_RUN_DOCS) -p $(DOCSPORT):8000 "$(DOCKER_DOCS_IMAGE)" bash
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docs-build:
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docker build -t "$(DOCKER_DOCS_IMAGE)" -f docs/Dockerfile .
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