feat(rock): add the rock

.github/workflows/build-rock.yaml

@@ -0,0 +1,35 @@
+name: Build rock on PR
+
+on:
+  workflow_dispatch: {}
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Determine any rockcraft.yaml changed in the PR
+      id: changed-files
+      uses: tj-actions/changed-files@v44
+      with:
+        files: "./rockcraft.yaml"
+
+    - name: Setup LXD
+      if: steps.changed-files.outputs.any_changed
+      uses: canonical/[email protected]
+      with:
+        channel: latest/stable
+
+    - name: Install dependencies
+      if: steps.changed-files.outputs.any_changed
+      run: |
+        sudo snap install --classic rockcraft
+    - name: Build ROCK
+      if: steps.changed-files.outputs.any_changed
+      run: |
+        rockcraft pack --verbose

.github/workflows/rock-release-dev.yaml

@@ -0,0 +1,66 @@
+# The workflow canonical/observability/.github/workflows/rock-release-dev.yaml@main
+# https://github.com/canonical/observability/blob/34b7edb56094e8e3f01200ce49e01bf9dd6688ac/.github/workflows/rock-release-dev.yaml
+# does not allow setting a GHCR repo where to publish at the moment.
+# We thus copy it below and adapt it.
+
+name: Build ROCK and release dev or branch tag to GHCR
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Find the *latest* rockcraft.yaml
+      id: find-latest
+      run: |
+        latest_rockcraft_file=$(find $GITHUB_WORKSPACE -name "rockcraft.yaml" | sort -V | tail -n1)
+        rockcraft_dir=$(dirname ${latest_rockcraft_file#\./})
+        echo "latest-dir=$rockcraft_dir" >> $GITHUB_OUTPUT
+    - name: Build ROCK
+      uses: canonical/craft-actions/rockcraft-pack@main
+      with:
+        path: "${{ steps.find-latest.outputs.latest-dir }}"
+        verbosity: verbose
+      id: rockcraft
+
+    - name: Upload locally built ROCK artifact
+      uses: actions/upload-artifact@v4
+      with:
+        name: ros2bag-fileserver
+        path: ${{ steps.rockcraft.outputs.rock }}
+        retention-days: 7
+
+    - name: Upload ROCK to ghcr.io
+      run: |
+        if [[ ${{ github.ref }} == 'refs/heads/main' ]]
+        then
+          TAG=dev
+        else
+          TAG=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}
+          TAG=$(echo $TAG | sed "s|\/|\_|")
+        fi
+        sudo skopeo --insecure-policy copy oci-archive:$(realpath ${{ steps.rockcraft.outputs.rock }}) docker://ghcr.io/ubuntu-robotics/ros2bag-fileserver:$TAG --dest-creds "${{ github.actor }}:${{ secrets.GITHUB_TOKEN }}"
+    - name: Generate digest
+      run: |
+        digest=$(skopeo inspect oci-archive:$(realpath ${{ steps.rockcraft.outputs.rock }}) --format '{{.Digest}}')
+        echo "digest=${digest#*:}" >> "$GITHUB_OUTPUT"
+    - name: Install Syft
+      run: |
+        curl -sSfL https://raw.githubusercontent.com/anchore/syft/main/install.sh | sh -s -- -b /usr/local/bin
+    - name: Create SBOM
+      run: syft $(realpath ${{ steps.rockcraft.outputs.rock }}) -o spdx-json=ros2bag-fileserver.sbom.json
+
+    - name: Upload SBOM
+      uses: actions/upload-artifact@v4
+      with:
+        name: ros2bag-fileserver-sbom
+        path: "ros2bag-fileserver.sbom.json"

.gitignore

@@ -0,0 +1 @@
+*.rock

README.md

@@ -1,2 +1,16 @@
 #ROS 2 bag file server
 
+This repository is hosting the rock to build the ROS 2 bag file server.
+This rock is meant to be working with the [ros2bag-fileserver-k8s-operator](https://github.com/ubuntu-robotics/ros2bag-fileserver-k8s-operator).
+
+## How to build
+
+Build the rock:
+```
+rockcraft pack
+```
+Add the rock to the local docker images:
+```
+sudo /snap/rockcraft/current/bin/skopeo --insecure-policy copy oci-archive:ros2bag-fileserver_0.1_amd64.rock docker-daemon:ros2bag-fileserver:dev
+```
+

rock/local/Caddyfile

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+:80 {
+  # Set this path to your site's directory.
+  root * /var/lib/caddy-fileserver
+
+  # Enable the static file server.
+  file_server browse
+  header {
+      Access-Control-Allow-Origin *
+      Access-Control-Allow-Methods GET, POST, PUT, DELETE, OPTIONS
+      Access-Control-Allow-Headers *
+  }
+
+  log {
+      output file /var/log/access.log
+  }
+}

rockcraft.yaml

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+name: ros2bag-fileserver
+summary: The ROS 2 bag fileserver
+description: |
+        The ROS 2 bag fileserver to host
+        mcap files
+version: '0.1'
+license: GPL-3.0
+
+base: [email protected]
+build-base: [email protected]
+platforms:
+  amd64:
+
+package-repositories:
+- components: [main]
+  formats: [deb]
+  key-id: 65760C51EDEA2017CEA2CA15155B6D79CA56EA34
+  key-server: keyserver.ubuntu.com
+  suites: [any-version]
+  type: apt
+  url: https://dl.cloudsmith.io/public/caddy/stable/deb/debian
+
+services:
+  ros2bag-fileserver:
+    override: replace
+    startup: enabled
+    command: /usr/bin/caddy run --config /srv/Caddyfile
+
+# Parts section
+parts:
+  caddy:
+    plugin: dump
+    source: rock/local
+    stage-packages: [rsync, caddy]
+    overlay-packages: [openssh-server]
+    organize:
+      'Caddyfile' : srv/
+