Configure a script to build DNS snaps

.azure-pipelines/templates/jobs/packaging-jobs.yml

@@ -71,7 +71,7 @@ jobs:
       vmImage: ubuntu-18.04
     steps:
       - script: |
-          snap/local/build.sh ${ARCH}
+          tools/snap/build.sh ${ARCH}
           mv *.snap $(Build.ArtifactStagingDirectory)
         displayName: Build Certbot snap
       - task: PublishPipelineArtifact@1
@@ -79,6 +79,27 @@ jobs:
           path: $(Build.ArtifactStagingDirectory)
           artifact: snap-$(arch)
         displayName: Store snap artifact
+  - job: snap_dns_build
+    strategy:
+      matrix:
+        amd64:
+          ARCH: amd64
+#        arm64:
+#          ARCH: arm64
+#        armhf:
+#          ARCH: armhf
+    pool:
+      vmImage: ubuntu-18.04
+    steps:
+      - script: |
+          tools/snap/build_dns.sh ${ARCH} ALL
+          mv certbot-dns-*/*.snap $(Build.ArtifactStagingDirectory)
+        displayName: Build Certbot DNS snaps
+      - task: PublishPipelineArtifact@1
+        inputs:
+          path: $(Build.ArtifactStagingDirectory)
+          artifact: dns-snap-$(arch)
+        displayName: Store snaps artifacts
   - job: snap_run
     dependsOn: snap_build
     pool:

tools/snap/build.sh

@@ -1,6 +1,5 @@
 #!/bin/bash
-# Cross-compile the Certbot snap from local sources for the specified architecture,
-# and install it if this architecture is also the the current machine one.
+# Cross-compile the Certbot snap from local sources for the specified architecture.
 # This script is designed for CI tests purpose.
 # Usage: build.sh [amd64,arm64,armhf]
 set -ex

tools/snap/build_dns.sh

@@ -0,0 +1,72 @@
+#!/bin/bash
+# Cross-compile the specified Certbot DNS plugins snaps from local sources for the specified architecture.
+# This script is designed for CI tests purpose.
+# Usage: build.sh [amd64,arm64,armhf] [DNS_PLUGIN1,DNS_PLUGIN2 or ALL]
+set -ex
+
+SNAP_ARCH=$1
+DNS_PLUGINS=$2
+
+if [[ -z "${SNAP_ARCH}" ]]; then
+    echo "You need to specify the target architecture"
+    exit 1
+fi
+
+if [[ -z "${DNS_PLUGINS}" ]]; then
+    echo "You need to specify the DNS plugins"
+    exit 1
+fi
+
+if [[ "${DNS_PLUGINS}" = "ALL" ]]; then
+    DNS_PLUGINS=$(find . -maxdepth 1 -type d -name "certbot-dns-*" -exec basename {} \; | paste -sd "," -)
+fi
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+CERTBOT_DIR="$(dirname "$(dirname "${DIR}")")"
+
+# shellcheck source=common.sh
+source "${DIR}/common.sh"
+
+RegisterQemuHandlers
+ResolveArch "${SNAP_ARCH}"
+
+pushd "${DIR}/packages"
+"${CERTBOT_DIR}/tools/simple_http_server.py" 8080 >/dev/null 2>&1 &
+HTTP_SERVER_PID="$!"
+popd
+
+function cleanup() {
+    kill "${HTTP_SERVER_PID}"
+}
+
+trap cleanup EXIT
+
+SCRIPT=$(mktemp /tmp/script.XXXXXX.sh)
+chmod +x "${SCRIPT}"
+
+SNAP_CONSTRAINTS=$(mktemp /tmp/snap-constraints.XXXXXX.txt)
+python3 tools/strip_hashes.py letsencrypt-auto-source/pieces/dependency-requirements.txt | grep -v python-augeas > "${SNAP_CONSTRAINTS}"
+
+cat << "EOF" >> "${SCRIPT}"
+#!/bin/bash
+set -ex
+IFS=","
+for DNS_PLUGIN in ${DNS_PLUGINS}; do
+  pushd "${DNS_PLUGIN}"
+  cp /snap-constraints.txt .
+  snapcraft
+  popd
+done
+EOF
+
+docker run \
+  --rm \
+  --net=host \
+  -v "${CERTBOT_DIR}:/certbot" \
+  -v "${SCRIPT}:/script.sh" \
+  -v "${SNAP_CONSTRAINTS}:/snap-constraints.txt" \
+  -w "/certbot" \
+  -e "DNS_PLUGINS=${DNS_PLUGINS}" \
+  "adferrand/snapcraft:${DOCKER_ARCH}-stable" \
+  /script.sh
+  #-e "PIP_EXTRA_INDEX_URL=http://localhost:8080" \