adding a scratch container. integrating with btcd.
This commit is contained in:
Colin Lyons
@@ -35,21 +35,46 @@ func strPtr(str string) *string { return &str }
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var buildConfigurations = []docker.BuildConfiguration{
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//docker.BuildConfiguration{
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// Name: defaultRepositoryName + "/" + "indra",
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// ContextFilePath: "/tmp/indra-" + indra.SemVer + ".tar",
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// Name: defaultRepositoryName + "/" + "scratch",
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// ContextFilePath: "/tmp/scratch.tar",
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// BuildOpts: types.ImageBuildOptions{
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// Dockerfile: "docker/indra/Dockerfile",
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// Dockerfile: "docker/scratch/Dockerfile",
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// Tags: []string{
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// indra.SemVer,
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// "latest",
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// },
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// BuildArgs: map[string]*string{},
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// BuildArgs: map[string]*string{
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// "base_image": strPtr("busybox"),
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// },
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// SuppressOutput: false,
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// Remove: true,
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// ForceRemove: true,
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// PullParent: true,
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// },
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//},
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docker.BuildConfiguration{
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Name: defaultRepositoryName + "/" + "btcd",
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ContextFilePath: "/tmp/btcd.tar",
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BuildOpts: types.ImageBuildOptions{
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Dockerfile: "docker/btcd/Dockerfile",
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Tags: []string{
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"v0.23.4",
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"latest",
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},
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BuildArgs: map[string]*string{
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"base_image": strPtr(defaultBuildContainer),
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"target_image": strPtr("indralabs/scratch:latest"),
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// This argument is the tag fetched by git
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// It MUST be updated alongside the tag above
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"git_repository": strPtr("github.com/btcsuite/btcd"),
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"git_tag": strPtr("v0.23.4"),
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},
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SuppressOutput: false,
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Remove: true,
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ForceRemove: true,
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PullParent: true,
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},
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},
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//docker.BuildConfiguration{
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// Name: defaultRepositoryName + "/" + "lnd",
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// ContextFilePath: "/tmp/lnd.tar",
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@@ -70,27 +95,22 @@ var buildConfigurations = []docker.BuildConfiguration{
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// PullParent: true,
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// },
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//},
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docker.BuildConfiguration{
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Name: defaultRepositoryName + "/" + "btcd",
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ContextFilePath: "/tmp/btcd.tar",
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BuildOpts: types.ImageBuildOptions{
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Dockerfile: "docker/btcd/Dockerfile",
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Tags: []string{
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"v0.23.4",
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"latest",
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},
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BuildArgs: map[string]*string{
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// This argument is the tag fetched by git
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// It MUST be updated alongside the tag above
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"git_repository": strPtr("github.com/btcsuite/btcd"),
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"git_tag": strPtr("v0.23.4"),
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},
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SuppressOutput: false,
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Remove: true,
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ForceRemove: true,
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PullParent: true,
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},
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},
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//docker.BuildConfiguration{
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// Name: defaultRepositoryName + "/" + "indra",
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// ContextFilePath: "/tmp/indra-" + indra.SemVer + ".tar",
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// BuildOpts: types.ImageBuildOptions{
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// Dockerfile: "docker/indra/Dockerfile",
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// Tags: []string{
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// indra.SemVer,
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// "latest",
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// },
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// BuildArgs: map[string]*string{},
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// SuppressOutput: false,
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// Remove: true,
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// ForceRemove: true,
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// PullParent: true,
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// },
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//},
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}
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var commands = &cmds.Command{
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@@ -1,37 +1,23 @@
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FROM golang:1.19.4 AS builder
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# User/Group definition
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ENV USER=btcd GROUP=btcd UID=8333 GID=8333
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ARG base_image="golang"
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ARG target_image="indralabs/scratch"
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## Create a user/group to be migrated to the target container
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RUN addgroup ${GROUP} --gid ${GID} \
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&& adduser \
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--disabled-password \
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--gecos "" \
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--home "/var/btcd" \
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--shell "/sbin/nologin" \
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#--no-create-home \
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--uid "${UID}" \
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--gid "${GID}" \
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"${USER}"
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# ---
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# Build Process
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# ---
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# Create config/data directories
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RUN set -ex \
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&& mkdir -pv /var/btcd \
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&& mkdir -pv /var/run/btcd \
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&& mkdir -pv /etc/btcd \
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&& mkdir -pv /etc/btcd/keys
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FROM ${base_image} AS builder
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# Pass a tag, branch or a commit using build-arg. This allows a docker
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# image to be built from a specified Git state. The default image
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# will use the Git tip of master by default.
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# Get the repo and build
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ARG git_repository="github.com/indra-labs/btcd"
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ARG git_tag="master"
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# Install dependencies and build the binaries.
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RUN git clone "https://"${git_repository} /go/src/${git_repository} \
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&& cd /go/src/${git_repository} \
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&& git checkout ${git_tag}
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RUN git clone "https://"${git_repository} /go/src/${git_repository}
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WORKDIR $GOPATH/src/${git_repository}
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RUN git checkout ${git_tag}
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# Source/Target release defaults
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ARG ARCH=amd64
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@@ -41,35 +27,26 @@ ENV GO111MODULE=on GOOS=linux
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WORKDIR $GOPATH/src/${git_repository}
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RUN cp sample-btcd.conf /tmp/btcd.conf
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RUN set -ex \
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&& CGO_ENABLED=0 go build --ldflags '-w -s' -o /bin/btcd . \
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&& CGO_ENABLED=0 go build --ldflags '-w -s' -o /bin/ ./cmd/...
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# Copy the sample config file
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RUN cp /go/src/${git_repository}/sample-btcd.conf /etc/btcd/btcd.conf
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&& CGO_ENABLED=0 go build --ldflags '-w -s' -o /tmp/bin/btcd . \
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&& CGO_ENABLED=0 go build --ldflags '-w -s' -o /tmp/bin/ ./cmd/...
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# ---
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# Configure and Build the target container
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# Target Configuration
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# ---
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FROM scratch
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FROM indralabs/scratch:latest
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# Migrate User/Group to target
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COPY --from=builder /etc/passwd /etc/passwd
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COPY --from=builder /etc/group /etc/group
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COPY --from=builder /etc/btcd /etc/btcd
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## Migrate the binaries and storage folder
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# Migrate the binaries and storage folder
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COPY --from=builder /bin /bin
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COPY --from=builder --chown=btcd:btcd /var/btcd /var/btcd
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COPY --from=builder --chown=btcd:btcd /var/run/btcd /var/run/btcd
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COPY --from=builder /tmp/btcd.conf /etc/btcd/btcd.conf
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COPY --from=builder /tmp/bin /bin
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# Enable the indra user
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# Enable the btcd user
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USER btcd:btcd
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# ENV defaults
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# ENV IND_LOGFILEPATH=""
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# Set the data volumes
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#VOLUME ["/etc/btcd"]
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#VOLUME ["/var/btcd"]
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@@ -78,5 +55,4 @@ USER btcd:btcd
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# :8334 btcd RPC port
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EXPOSE 8333 8334
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ENTRYPOINT ["/bin/btcd", "--configfile=/etc/btcd/btcd.conf", "--datadir=/var/btcd", "--rpckey=/etc/btcd/keys/rpc.key", "--rpccert=/etc/btcd/keys/rpc.cert"]
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CMD ["--listen=0.0.0.0:8333", "--rpclisten=0.0.0.0:8334"]
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ENTRYPOINT ["/bin/btcd", "--configfile=/etc/btcd/btcd.conf", "--datadir=/var/btcd", "--logdir=/var/btcd", "--rpckey=/etc/btcd/keys/rpc.key", "--rpccert=/etc/btcd/keys/rpc.cert", "--listen=0.0.0.0:8333", "--rpclisten=0.0.0.0:8334"]
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134
docker/scratch/Dockerfile
Normal file
134
docker/scratch/Dockerfile
Normal file
@@ -0,0 +1,134 @@
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ARG base_image=busybox
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FROM ${base_image} as base
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RUN set -ex && echo "creating root filesystem" \
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&& mkdir -pv /tmp/root-fs \
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&& mkdir -pv /tmp/root-fs/etc \
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&& mkdir -pv /tmp/root-fs/var \
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&& mkdir -pv /tmp/root-fs/bin
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RUN set -ex && echo "checking root filesystem" \
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&& ls -hal /tmp/root-fs \
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&& ls -hal /tmp/root-fs/etc \
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&& ls -hal /tmp/root-fs/var \
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&& ls -hal /tmp/root-fs/bin
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##
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## Users and Groups
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##
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RUN set -ex && echo "adding users and groups" \
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&& echo "btcd:*:::::::" >> /etc/shadow \
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&& echo "btcd:x:8333:" >> /etc/group \
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&& echo "btcd:x:8333:8333:btcd:/var/btcd:/sbin/false" >> /etc/passwd \
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&& echo "lnd:*:::::::" >> /etc/shadow \
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&& echo "lnd:x:9735:" >> /etc/group \
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&& echo "lnd:x:9735:9735:lnd:/var/lnd:/sbin/false" >> /etc/passwd \
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&& echo "indra:*:::::::" >> /etc/shadow \
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&& echo "indra:x:8337:" >> /etc/group \
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&& echo "indra:x:8337:8337:indra:/var/indra:/sbin/false" >> /etc/passwd
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RUN set -ex && echo "checking users and groups" \
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&& cat /etc/shadow \
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&& cat /etc/group \
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&& cat /etc/passwd
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RUN set -ex && echo "copying users and groups to root filesystem" \
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&& cp -p /etc/shadow /tmp/root-fs/etc/shadow \
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&& cp -p /etc/group /tmp/root-fs/etc/group \
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&& cp -p /etc/passwd /tmp/root-fs/etc/passwd
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# DEBUG
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RUN set -ex && echo "checking users and groups to root filesystem" \
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&& ls -hal /tmp/root-fs/etc \
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&& cat /tmp/root-fs/etc/shadow \
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&& cat /tmp/root-fs/etc/passwd \
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&& cat /tmp/root-fs/etc/group
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##
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## Configuration and Data directories
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##
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RUN set -ex && echo "adding and permissioning /etc directories" \
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&& mkdir -pv /etc/btcd && chmod 755 /etc/btcd \
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&& mkdir -pv /etc/btcd/keys && chmod 750 /etc/btcd/keys && chown btcd:btcd /etc/btcd/keys \
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&& mkdir -pv /etc/lnd && chmod 755 /etc/lnd \
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&& mkdir -pv /etc/lnd/keys && chmod 750 /etc/lnd/keys && chown lnd:lnd /etc/lnd/keys \
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&& mkdir -pv /etc/indra && chmod 755 /etc/indra
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RUN set -ex && echo "copying /etc directories to root filesystem" \
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&& cp -rp /etc/btcd /tmp/root-fs/etc/btcd \
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&& cp -rp /etc/lnd /tmp/root-fs/etc/lnd \
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&& cp -rp /etc/indra /tmp/root-fs/etc/indra
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# DEBUG
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RUN set -ex && echo "checking /etc directories on root filesystem" \
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&& ls -hal /tmp/root-fs/etc \
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&& ls -hal /tmp/root-fs/etc/btcd \
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&& ls -hal /tmp/root-fs/etc/btcd/keys \
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&& ls -hal /tmp/root-fs/etc/lnd \
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&& ls -hal /tmp/root-fs/etc/lnd/keys \
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&& ls -hal /tmp/root-fs/etc/indra
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RUN set -ex && echo "adding and permissioning /var directories" \
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&& mkdir -pv /var/btcd && chmod 750 /var/btcd && chown btcd:btcd /var/btcd \
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&& mkdir -pv /var/btcd/.btcd && chmod 750 /var/btcd/.btcd && chown btcd:btcd /var/btcd/.btcd \
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&& mkdir -pv /var/lnd && chmod 750 /var/lnd && chown lnd:lnd /var/lnd \
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&& mkdir -pv /var/lnd/.lnd && chmod 750 /var/lnd/.lnd && chown lnd:lnd /var/lnd/.lnd \
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&& mkdir -pv /var/indra && chmod 750 /var/indra && chown indra:indra /var/indra
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RUN set -ex && echo "copying /var directories to root filesystem" \
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&& cp -rp /var/btcd /tmp/root-fs/var/btcd \
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&& cp -rp /var/lnd /tmp/root-fs/var/lnd \
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&& cp -rp /var/indra /tmp/root-fs/var/indra
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# DEBUG
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RUN set -ex && echo "checking /var directories on root filesystem" \
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&& ls -hal /tmp/root-fs/var \
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&& ls -hal /tmp/root-fs/var/btcd \
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&& ls -hal /tmp/root-fs/var/btcd/.btcd \
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&& ls -hal /tmp/root-fs/var/lnd \
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&& ls -hal /tmp/root-fs/var/lnd/.lnd \
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&& ls -hal /tmp/root-fs/var/indra
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WORKDIR /tmp/root-fs
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RUN set -ex && echo "building root-fs tarball" \
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&& tar -cvzf /tmp/root-fs.tgz . \
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&& rm -rf /tmp/root-fs \
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&& ls -hal /tmp
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RUN set -ex && tar -xzvf /tmp/root-fs.tgz \
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&& ls -hal /tmp \
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&& ls -hal /tmp/root-fs \
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&& ls -hal /tmp/root-fs/etc \
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&& ls -hal /tmp/root-fs/etc/btcd \
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##
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## Base Image
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##
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#
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# Note: We CANNOT use the scratch container to build the our scratch image.
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#
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# When using the COPY command between container, docker does not preserve permissions.
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# Instead, we will opt for generating a root-fs on the build image and extracting it as a tarball.
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#
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#FROM scratch
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#
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## Migrate over users and groups
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#COPY --from=base /etc/passwd /etc/passwd
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#COPY --from=base /etc/group /etc/group
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#
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## Configuration
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#COPY --from=base /etc/btcd /etc/btcd
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#COPY --from=base /etc/lnd /etc/lnd
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#COPY --from=base /etc/indra /etc/indra
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#
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### Data
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#COPY --from=base --chown=btcd:btcd /var/btcd /var/btcd
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#COPY --from=base --chown=lnd:lnd /var/lnd /var/lnd
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#COPY --from=base --chown=indra:indra /var/indra /var/indra
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9
docker/scratch/build.sh
Executable file
9
docker/scratch/build.sh
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@@ -0,0 +1,9 @@
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#!/bin/bash
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docker build -t indralabs/scratch-builder .
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docker run --rm -it --volume=${PWD}/tmp:/output indralabs/scratch-builder cp /tmp/root-fs.tgz /output
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docker image import tmp/root-fs.tgz indralabs/scratch
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docker push indralabs/scratch:latest
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1
docker/scratch/tmp/.gitignore
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1
docker/scratch/tmp/.gitignore
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@@ -0,0 +1 @@
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root-fs.tgz
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0
docker/scratch/tmp/.gitkeep
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0
docker/scratch/tmp/.gitkeep
Normal file
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Block a user