Add Localnet Docker Image

.github/workflows/docker-localnet.yml

@@ -0,0 +1,69 @@
+name: Publish Localnet Docker Image
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+    inputs:
+      branch-or-tag:
+        description: "Branch or tag to use for the Docker image tag and ref to checkout (optional)"
+        required: false
+        default: ""
+  push:
+    branches:
+      - devnet-ready-with-nodes
+
+permissions:
+  contents: read
+  packages: write
+  actions: read
+  security-events: write
+
+jobs:
+  publish:
+    runs-on: SubtensorCI
+
+    steps:
+      - name: Determine Docker tag and ref
+        id: tag
+        run: |
+          branch_or_tag="${{ github.event.inputs.branch-or-tag || github.ref_name }}"
+          echo "Determined branch or tag: $branch_or_tag"
+          echo "tag=$branch_or_tag" >> $GITHUB_ENV
+          echo "ref=$branch_or_tag" >> $GITHUB_ENV
+
+          # Check if this is a tagged release (not devnet-ready/devnet/testnet)
+          if [[ "$branch_or_tag" != "devnet-ready" ]]; then
+            echo "latest_tag=true" >> $GITHUB_ENV
+          else
+            echo "latest_tag=false" >> $GITHUB_ENV
+          fi
+
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ env.ref }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to GHCR
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          file: Docker-localnet
+          push: true
+          platforms: linux/amd64,linux/arm64
+          tags: |
+            ghcr.io/${{ github.repository }}-localnet:${{ env.tag }}
+            ${{ env.latest_tag == 'true' && format('ghcr.io/{0}-localnet:latest', github.repository) || '' }}

Dockerfile-localnet

@@ -0,0 +1,65 @@
+ARG BASE_IMAGE=ubuntu:latest
+
+FROM $BASE_IMAGE AS builder
+SHELL ["/bin/bash", "-c"]
+
+# Set noninteractive mode for apt-get
+ARG DEBIAN_FRONTEND=noninteractive
+
+LABEL ai.opentensor.image.authors="operations@opentensor.ai" \
+  ai.opentensor.image.vendor="Opentensor Foundation" \
+  ai.opentensor.image.title="opentensor/subtensor-localnet" \
+  ai.opentensor.image.description="Opentensor Subtensor Blockchain" \
+  ai.opentensor.image.documentation="https://docs.bittensor.com"
+
+# Set up Rust environment
+ENV RUST_BACKTRACE=1
+
+RUN apt-get update
+RUN apt-get install -y curl build-essential protobuf-compiler clang git pkg-config libssl-dev llvm libudev-dev
+
+# Copy entire repository
+COPY . /build
+WORKDIR /build
+
+# Install Rust
+RUN set -o pipefail && curl https://sh.rustup.rs -sSf | sh -s -- -y
+ENV PATH="/root/.cargo/bin:${PATH}"
+RUN rustup toolchain install
+RUN rustup target add wasm32-unknown-unknown
+
+## Build fast-blocks node
+RUN ./scripts/localnet.sh --build-only
+# Build non-fast-blocks
+RUN ./scripts/localnet.sh False --build-only
+
+# Verify the binaries was produced
+RUN test -e /build/target/fast-blocks/release/node-subtensor
+RUN test -e /build/target/non-fast-blocks/release/node-subtensor
+
+FROM $BASE_IMAGE AS subtensor-localnet
+
+# Copy binaries
+COPY --from=builder /build/target/fast-blocks/release/node-subtensor target/fast-blocks/release/node-subtensor
+RUN chmod +x target/fast-blocks/release/node-subtensor
+
+COPY --from=builder /build/target/non-fast-blocks/release/node-subtensor target/non-fast-blocks/release/node-subtensor
+RUN chmod +x target/non-fast-blocks/release/node-subtensor
+
+COPY --from=builder /build/snapshot.json /snapshot.json
+
+COPY --from=builder /build/scripts/localnet.sh scripts/localnet.sh
+RUN chmod +x /scripts/localnet.sh
+
+## Ubdate certificates
+RUN apt-get update && apt-get install -y ca-certificates
+
+# Do not build (just run)
+ENV BUILD_BINARY=0
+# Switch to local run with IP 0.0.0.0 within docker image
+ENV RUN_IN_DOCKER=1
+# Expose ports
+EXPOSE 30334 30335 9944 9945
+
+ENTRYPOINT ["/scripts/localnet.sh"]
+CMD ["True"]

scripts/localnet.sh

@@ -30,14 +30,14 @@ if [ "$fast_blocks" == "False" ]; then
   : "${CHAIN:=local}"
   : "${BUILD_BINARY:=1}"
   : "${FEATURES:="pow-faucet"}"
-  BUILD_DIR="$BASE_DIR/nodes/non-fast-blocks"
+  BUILD_DIR="$BASE_DIR/target/non-fast-blocks"
 else
   # Block of code to execute if fast_blocks is not False
   echo "fast_blocks is On"
   : "${CHAIN:=local}"
   : "${BUILD_BINARY:=1}"
   : "${FEATURES:="pow-faucet fast-blocks"}"
-  BUILD_DIR="$BASE_DIR/nodes/fast-blocks"
+  BUILD_DIR="$BASE_DIR/target/fast-blocks"
 fi
 
 # Ensure the build directory exists
@@ -61,7 +61,7 @@ if [[ $BUILD_BINARY == "1" ]]; then
 fi
 
 echo "*** Building chainspec..."
-"$BUILD_DIR/release/node-subtensor" build-spec --disable-default-bootnode --raw --chain $CHAIN >$FULL_PATH
+"$BUILD_DIR/release/node-subtensor" build-spec --disable-default-bootnode --raw --chain "$CHAIN" >"$FULL_PATH"
 echo "*** Chainspec built and output to file"
 
 # Generate node keys
@@ -79,6 +79,7 @@ fi
 
 if [ $BUILD_ONLY -eq 0 ]; then
   echo "*** Starting localnet nodes..."
+
   alice_start=(
     "$BUILD_DIR/release/node-subtensor"
     --base-path /tmp/alice
@@ -107,11 +108,17 @@ if [ $BUILD_ONLY -eq 0 ]; then
     --unsafe-force-node-key-generation
   )
 
+  # Provide RUN_IN_DOCKER local environment variable if run script in the docker image
+  if [ "${RUN_IN_DOCKER}" == "1" ]; then
+    alice_start+=(--unsafe-rpc-external)
+    bob_start+=(--unsafe-rpc-external)
+  fi
+
   trap 'pkill -P $$' EXIT SIGINT SIGTERM
 
   (
     ("${alice_start[@]}" 2>&1) &
     ("${bob_start[@]}" 2>&1)
     wait
   )
-fi
+fi