new(docker): add falco-no-driver image

Signed-off-by: Leonardo Grasso <me@leonardograsso.com>

.circleci/config.yml

@@ -208,11 +208,13 @@ jobs:
       - checkout
       - setup_remote_docker
       - run:
-          name: Build and publish slim-dev
+          name: Build and publish no-driver-dev
           command: |
             FALCO_VERSION=$(cat /build/release/userspace/falco/config_falco.h | grep 'FALCO_VERSION ' | cut -d' ' -f3 | sed -e 's/^"//' -e 's/"$//')
-            docker build --build-arg VERSION_BUCKET=deb-dev --build-arg FALCO_VERSION=${FALCO_VERSION} -t falcosecurity/falco:master-slim docker/slim
+            docker build --build-arg VERSION_BUCKET=bin-dev --build-arg FALCO_VERSION=${FALCO_VERSION} -t falcosecurity/falco-no-driver:master docker/no-driver
+            docker tag falcosecurity/falco-no-driver:master falcosecurity/falco:master-slim
             echo ${DOCKERHUB_SECRET} | docker login -u ${DOCKERHUB_USER} --password-stdin
+            docker push falcosecurity/falco-no-driver:master
             docker push falcosecurity/falco:master-slim
       - run:
           name: Build and publish dev
@@ -266,11 +268,15 @@ jobs:
       - checkout
       - setup_remote_docker
       - run:
-          name: Build and publish slim
+          name: Build and publish no-driver
           command: |
-            docker build --build-arg VERSION_BUCKET=deb --build-arg FALCO_VERSION=${CIRCLE_TAG} -t "falcosecurity/falco:${CIRCLE_TAG}-slim" docker/slim
-            docker tag "falcosecurity/falco:${CIRCLE_TAG}-slim" falcosecurity/falco:latest-slim
+            docker build --build-arg VERSION_BUCKET=bin --build-arg FALCO_VERSION=${CIRCLE_TAG} -t "falcosecurity/falco-no-driver:${CIRCLE_TAG}" docker/no-driver
+            docker tag "falcosecurity/falco-no-driver:${CIRCLE_TAG}" falcosecurity/falco-no-driver:latest
+            docker tag "falcosecurity/falco:${CIRCLE_TAG}" "falcosecurity/falco:${CIRCLE_TAG}-slim"
+            docker tag "falcosecurity/falco:${CIRCLE_TAG}" "falcosecurity/falco:latest-slim"
             echo ${DOCKERHUB_SECRET} | docker login -u ${DOCKERHUB_USER} --password-stdin
+            docker push "falcosecurity/falco-no-driver:${CIRCLE_TAG}"
+            docker push "falcosecurity/falco-no-driver:latest"
             docker push "falcosecurity/falco:${CIRCLE_TAG}-slim"
             docker push "falcosecurity/falco:latest-slim"
       - run:

docker/no-driver/Dockerfile

@@ -0,0 +1,58 @@
+FROM ubuntu:18.04 as ubuntu
+
+LABEL maintainer="cncf-falco-dev@lists.cncf.io"
+
+ARG FALCO_VERSION
+ARG VERSION_BUCKET=bin
+
+ENV FALCO_VERSION=${FALCO_VERSION}
+ENV VERSION_BUCKET=${VERSION_BUCKET}
+
+WORKDIR /
+
+ADD https://bintray.com/api/ui/download/falcosecurity/${VERSION_BUCKET}/x86_64/falco-${FALCO_VERSION}-x86_64.tar.gz /
+
+RUN apt-get update -y && \
+    apt-get install -y libyaml-0-2 binutils && \
+    tar -xvf falco-${FALCO_VERSION}-x86_64.tar.gz && \
+    rm -f falco-${FALCO_VERSION}-x86_64.tar.gz && \
+    mv falco-${FALCO_VERSION}-x86_64 falco && \
+    strip falco/usr/bin/falco && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+FROM scratch
+
+COPY --from=ubuntu /lib/x86_64-linux-gnu/libanl.so.1 \
+    /lib/x86_64-linux-gnu/libc.so.6 \
+    /lib/x86_64-linux-gnu/libdl.so.2 \
+    /lib/x86_64-linux-gnu/libgcc_s.so.1 \
+    /lib/x86_64-linux-gnu/libm.so.6 \
+    /lib/x86_64-linux-gnu/libnsl.so.1 \
+    /lib/x86_64-linux-gnu/libnss_compat.so.2 \
+    /lib/x86_64-linux-gnu/libnss_files.so.2 \
+    /lib/x86_64-linux-gnu/libnss_nis.so.2 \
+    /lib/x86_64-linux-gnu/libpthread.so.0 \
+    /lib/x86_64-linux-gnu/librt.so.1 \
+    /lib/x86_64-linux-gnu/libz.so.1 \
+    /lib/x86_64-linux-gnu/
+
+COPY --from=ubuntu /usr/lib/x86_64-linux-gnu/libstdc++.so.6 \
+    /usr/lib/x86_64-linux-gnu/libstdc++.so.6
+
+COPY --from=ubuntu /usr/lib/x86_64-linux-gnu/libyaml-0.so.2.0.5 \
+    /usr/lib/x86_64-linux-gnu/libyaml-0.so.2
+
+COPY --from=ubuntu /etc/ld.so.cache \
+    /etc/nsswitch.conf \
+    /etc/ld.so.cache \
+    /etc/passwd \
+    /etc/group \
+    /etc/
+
+COPY --from=ubuntu /etc/default/nss /etc/default/nss
+COPY --from=ubuntu /lib64/ld-linux-x86-64.so.2 /lib64/ld-linux-x86-64.so.2
+
+COPY --from=ubuntu /falco /
+
+CMD ["/usr/bin/falco", "-o", "time_format_iso_8601=true"]

docker/slim/Dockerfile

@@ -1,48 +0,0 @@
-FROM ubuntu:18.04
-
-LABEL maintainer="cncf-falco-dev@lists.cncf.io"
-
-LABEL RUN="docker run -i -t -v /var/run/docker.sock:/host/var/run/docker.sock -v /dev:/host/dev -v /proc:/host/proc:ro -v /boot:/host/boot:ro -v /lib/modules:/host/lib/modules:ro -v /usr:/host/usr:ro --name <name> <image>"
-
-ARG FALCO_VERSION=latest
-ARG VERSION_BUCKET=deb
-
-ENV FALCO_VERSION=${FALCO_VERSION}
-ENV VERSION_BUCKET=${VERSION_BUCKET}
-
-ENV HOST_ROOT /host
-ENV HOME /root
-
-RUN cp /etc/skel/.bashrc /root && cp /etc/skel/.profile /root
-
-RUN apt-get update \
-  && apt-get install -y --no-install-recommends \
-  # bash-completion \
-  # bc \
-  ca-certificates \
-  curl \
-  gnupg2 \
-  jq \
-  # netcat \
-  # xz-utils \
-  && rm -rf /var/lib/apt/lists/*
-
-RUN curl -s https://falco.org/repo/falcosecurity-3672BA8F.asc | apt-key add - \
-  && echo "deb https://dl.bintray.com/falcosecurity/${VERSION_BUCKET} stable main" | tee -a /etc/apt/sources.list.d/falcosecurity.list \
-  && apt-get update -y \
-  && if [ "$FALCO_VERSION" = "latest" ]; then apt-get install -y --no-install-recommends falco; else apt-get install -y --no-install-recommends falco=${FALCO_VERSION}; fi \
-  && apt-get clean \
-  && rm -rf /var/lib/apt/lists/*
-
-# Change the falco config within the container to enable ISO 8601
-# output.
-RUN sed -e 's/time_format_iso_8601: false/time_format_iso_8601: true/' < /etc/falco/falco.yaml > /etc/falco/falco.yaml.new \
-  && mv /etc/falco/falco.yaml.new /etc/falco/falco.yaml
-
-# Some base images have an empty /lib/modules by default
-# If it's not empty, docker build will fail instead of
-# silently overwriting the existing directory
-RUN rm -df /lib/modules \
-  && ln -s $HOST_ROOT/lib/modules /lib/modules
-
-CMD ["/usr/bin/falco", "-o", "time_format_iso_8601=true"]