Add old cron job file for v8 (#14666)

.drone.yml

@@ -872,6 +872,8 @@ steps:
       - for FILE in /go/build/*.txt; do echo $FILE; cat $FILE; done
       # get Dockerfiles
       - curl -Ls -o /go/build/Dockerfile-cron https://raw.githubusercontent.com/gravitational/teleport/${DRONE_SOURCE_BRANCH:-master}/build.assets/Dockerfile-cron
+      - curl -Ls -o /go/build/Dockerfile-cron https://raw.githubusercontent.com/gravitational/teleport/${DRONE_SOURCE_BRANCH:-master}/build.assets/Dockerfile-cron-v8
+
       # wait for Docker to be ready
       - sleep 3
 
@@ -953,13 +955,16 @@ steps:
       - export ENT_FIPS_IMAGE_NAME="quay.io/gravitational/teleport-ent:$(cat /go/build/PREVIOUS_VERSION_TWO_TAG_GENERIC.txt)-fips"
       - docker login -u="$PLUGIN_USERNAME" -p="$PLUGIN_PASSWORD" quay.io
       # OSS
-      - docker build --target teleport --build-arg DOWNLOAD_TYPE=teleport --build-arg VERSION_TAG=$VERSION_TAG --build-arg OS=$OS --build-arg ARCH=$ARCH -t $OSS_IMAGE_NAME -f /go/build/Dockerfile-cron /go/build
+      # TODO(logand22): Remove v8 when Teleport 11 is released
+      - docker build --target teleport --build-arg DOWNLOAD_TYPE=teleport --build-arg VERSION_TAG=$VERSION_TAG --build-arg OS=$OS --build-arg ARCH=$ARCH -t $OSS_IMAGE_NAME -f /go/build/Dockerfile-cron-v8 /go/build
       - docker push $OSS_IMAGE_NAME
       # Enterprise
-      - docker build --target teleport --build-arg DOWNLOAD_TYPE=teleport-ent --build-arg VERSION_TAG=$VERSION_TAG --build-arg OS=$OS --build-arg ARCH=$ARCH  -t $ENT_IMAGE_NAME -f /go/build/Dockerfile-cron /go/build
+      # TODO(logand22): Remove v8 when Teleport 11 is released
+      - docker build --target teleport --build-arg DOWNLOAD_TYPE=teleport-ent --build-arg VERSION_TAG=$VERSION_TAG --build-arg OS=$OS --build-arg ARCH=$ARCH  -t $ENT_IMAGE_NAME -f /go/build/Dockerfile-cron-v8 /go/build
       - docker push $ENT_IMAGE_NAME
       # Enterprise FIPS
-      - docker build --target teleport-fips --build-arg DOWNLOAD_TYPE=teleport-ent --build-arg EXTRA_DOWNLOAD_ARGS="-fips" --build-arg VERSION_TAG=$VERSION_TAG --build-arg OS=$OS --build-arg ARCH=$ARCH -t $ENT_FIPS_IMAGE_NAME -f /go/build/Dockerfile-cron /go/build
+      # TODO(logand22): Remove v8 when Teleport 11 is released
+      - docker build --target teleport-fips --build-arg DOWNLOAD_TYPE=teleport-ent --build-arg EXTRA_DOWNLOAD_ARGS="-fips" --build-arg VERSION_TAG=$VERSION_TAG --build-arg OS=$OS --build-arg ARCH=$ARCH -t $ENT_FIPS_IMAGE_NAME -f /go/build/Dockerfile-cron-v8 /go/build
       - docker push $ENT_FIPS_IMAGE_NAME
 
   - name: Build/push Teleport Lab Docker image
@@ -5614,6 +5619,6 @@ volumes:
       name: drone-s3-debrepo-pvc
 ---
 kind: signature
-hmac: 0b31aa60031631eb74ab6f6cc76917472d5b239ad2151d37b1b19b263fb5d1c4
+hmac: 367ad79b1217c151362b7ac0c86e00cd882df46a1dad13411135a1dc1f04381e
 
 ...

build.assets/Dockerfile-cron-v8

@@ -0,0 +1,44 @@
+# First stage downloads pre-compiled Teleport archive from get.gravitational.com
+# and extracts binaries from the archive.
+FROM alpine AS download
+
+ARG DOWNLOAD_TYPE=teleport
+ARG VERSION_TAG
+ARG OS
+ARG ARCH
+ARG EXTRA_DOWNLOAD_ARGS=""
+
+WORKDIR /tmp
+# Install dependencies.
+RUN apk --update --no-cache add curl tar
+
+# Download the appropriate binary tarball from get.gravitational.com and extract the binaries into
+# a temporary directory for us to use in the second stage.
+RUN mkdir -p build && \
+    curl -Ls https://get.gravitational.com/${DOWNLOAD_TYPE}-${VERSION_TAG}-${OS}-${ARCH}${EXTRA_DOWNLOAD_ARGS}-bin.tar.gz | tar -xzf - && \
+    cp $DOWNLOAD_TYPE/teleport $DOWNLOAD_TYPE/tctl $DOWNLOAD_TYPE/tsh build
+
+# Second stage builds final container with teleport binaries.
+FROM ubuntu:20.04 AS teleport
+
+# Install ca-certificates, dumb-init and libelf1, then clean up.
+RUN apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get upgrade -y && \
+    DEBIAN_FRONTEND=noninteractive apt-get install --no-install-recommends -y ca-certificates dumb-init libelf1 && \
+    update-ca-certificates && \
+    apt-get -y clean && \
+    rm -rf /var/lib/apt/lists/*
+
+# Copy "teleport", "tctl", and "tsh" binaries from the previous stage.
+COPY --from=download /tmp/build/teleport /usr/local/bin/teleport
+COPY --from=download /tmp/build/tctl /usr/local/bin/tctl
+COPY --from=download /tmp/build/tsh /usr/local/bin/tsh
+
+# Run Teleport inside the image with a default config file location.
+ENTRYPOINT ["/usr/bin/dumb-init", "teleport", "start", "-c", "/etc/teleport/teleport.yaml"]
+
+# Optional third stage which is only run when building the FIPS image.
+FROM teleport AS teleport-fips
+
+# Override the standard entrypoint set in the previous image with the --fips argument to start in FIPS mode.
+ENTRYPOINT ["/usr/bin/dumb-init", "teleport", "start", "-c", "/etc/teleport/teleport.yaml", "--fips"]