From ea0f78c2c2e96a9c96358dea9df59512b0ef348f Mon Sep 17 00:00:00 2001
From: Leonardo Grasso <me@leonardograsso.com>
Date: Mon, 30 Mar 2020 16:10:00 +0200
Subject: [PATCH] chore(docker): remove kernel/linuxkit and kernel/probeloader
 images

Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
---
 docker/README.md                     |  5 ----
 docker/kernel/linuxkit/Dockerfile    | 38 ----------------------------
 docker/kernel/probeloader/Dockerfile | 18 -------------
 3 files changed, 61 deletions(-)
 delete mode 100644 docker/kernel/linuxkit/Dockerfile
 delete mode 100644 docker/kernel/probeloader/Dockerfile

diff --git a/docker/README.md b/docker/README.md
index 0e78a8f3..d08c21e3 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -23,8 +23,3 @@ The goal of these container images is to reduce the size of the underlying Falco
  - `./slim-stable`: Like `./stable` above but removes build tools for older kernels.
  - `./minimal`: A minimal container image (~20mb), containing only the files required to run Falco.
 
-### Init Containers
-These container images allow for the delivery of the kernel module or eBPF probe either via HTTP or via a container image.
- - `kernel/linuxkit`: Multistage Dockerfile to build a Falco kernel module for Linuxkit (Docker Desktop). Generates an alpine based container image with the kernel module, and `insmod` as the container `CMD`.  
- - `kernel/probeloader`: Multistage Dockerfile to build a Go based application to download (via HTTPS) and load a Falco kernel module. The resulting container image can be ran as an `initContainer` to load the Falco module before Falco starts.
-
diff --git a/docker/kernel/linuxkit/Dockerfile b/docker/kernel/linuxkit/Dockerfile
deleted file mode 100644
index f6651e2d..00000000
--- a/docker/kernel/linuxkit/Dockerfile
+++ /dev/null
@@ -1,38 +0,0 @@
-ARG ALPINE_VERSION=3.10
-ARG KERNEL_VERSION=4.9.184
-ARG FALCO_VERSION=0.21.0
-
-FROM linuxkit/kernel:${KERNEL_VERSION} AS ksrc
-FROM falcosecurity/falco:${FALCO_VERSION}-minimal as falco
-FROM alpine:${ALPINE_VERSION} AS probe-build
-LABEL maintainer="cncf-falco-dev@lists.cncf.io"
-ARG KERNEL_VERSION=4.9.184
-ARG FALCO_VERSION=0.21.0
-ENV FALCO_VERSION=${FALCO_VERSION}
-ENV KERNEL_VERSION=${KERNEL_VERSION}
-
-COPY --from=ksrc /kernel-dev.tar /
-COPY --from=falco /usr/src/falco-${FALCO_VERSION} /usr/src/falco-${FALCO_VERSION}
-
-RUN apk add --no-cache --update \
-  build-base gcc abuild binutils \
-  bc \
-  autoconf && \
-  export KERNELVER=`uname -r  | cut -d '-' -f 1`  && \
-  export KERNELDIR=/usr/src/linux-headers-${KERNEL_VERSION}-linuxkit/ && \
-  tar xf /kernel-dev.tar && \
-  cd $KERNELDIR && \
-  zcat /proc/1/root/proc/config.gz > .config && \
-  make olddefconfig && \
-  cd /usr/src/falco-${FALCO_VERSION} && \
-  make && \
-  apk del \
-  build-base gcc abuild binutils \
-  bc \
-  autoconf
-
-FROM alpine:${ALPINE_VERSION}
-ARG FALCO_VERSION=0.21.0
-ENV FALCO_VERSION=${FALCO_VERSION}
-COPY --from=probe-build /usr/src/falco-${FALCO_VERSION}/falco-probe.ko /
-CMD ["insmod","/falco-probe.ko"]
diff --git a/docker/kernel/probeloader/Dockerfile b/docker/kernel/probeloader/Dockerfile
deleted file mode 100644
index 0a878115..00000000
--- a/docker/kernel/probeloader/Dockerfile
+++ /dev/null
@@ -1,18 +0,0 @@
-FROM golang:1.13-alpine AS build
-ARG FALCOCTL_REF=2be3df92edbac668284fe5c165ccb5bd6bf4e869
-
-RUN apk --no-cache add build-base git gcc ca-certificates
-
-RUN git clone https://github.com/falcosecurity/falcoctl.git /falcoctl
-
-WORKDIR /falcoctl
-
-RUN git checkout ${FALCOCTL_REF}
-RUN go mod vendor
-RUN CGO_ENABLED=0 GOOS=linux go build -a -o falcoctl -ldflags '-extldflags "-static"' .
-
-FROM scratch
-LABEL maintainer="cncf-falco-dev@lists.cncf.io"
-COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
-COPY --from=build /falcoctl/falcoctl /falcoctl
-CMD ["/falcoctl", "install", "probe"]