From b5d0062d38b219d99132c8000e1fb04efbcc3b2d Mon Sep 17 00:00:00 2001 From: Karol Stolarski Date: Mon, 8 Feb 2021 10:55:13 -0600 Subject: [PATCH 1/4] First commit --- .gitignore | 3 + Dockerfile | 21 ++++ LICENSE | 213 ++++++++++++++++++++++++++++++++++++++++ Makefile | 54 ++++++++++ README.md | 7 +- hardening_manifest.yaml | 42 ++++++++ 6 files changed, 339 insertions(+), 1 deletion(-) create mode 100644 .gitignore create mode 100644 Dockerfile create mode 100644 LICENSE create mode 100644 Makefile create mode 100644 hardening_manifest.yaml diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..b9563e7 --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +Dockerfile.* +history.txt +tini diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..34d3df6 --- /dev/null +++ b/Dockerfile @@ -0,0 +1,21 @@ +ARG BASE_REGISTRY=registry1.dsop.io/ironbank/redhat/ubi +ARG BASE_IMAGE=ubi8 +ARG BASE_TAG=8.3 +FROM spark-operator/spark-operator:v1beta2-1.0.0-2.4.4 AS base +FROM ${BASE_REGISTRY}/${BASE_IMAGE}:${BASE_TAG} +RUN dnf upgrade -y +RUN dnf install -y openssl curl +RUN rm -rf /var/cache/dnf +COPY --from=base /usr/bin/spark-operator /usr/bin/ +COPY tini /sbin/ +RUN chmod +x /sbin/tini +COPY --from=base /usr/bin/gencerts.sh /usr/bin/ +RUN chmod +x /usr/bin/gencerts.sh +COPY --from=base /usr/bin/entrypoint.sh /usr/bin/ +RUN chmod +x /usr/bin/entrypoint.sh +RUN find / -path /proc -prune -o -perm /4000 -exec chmod u-s {} \; +RUN find / -path /proc -prune -o -perm /2000 -exec chmod g-s {} \; +RUN groupadd -r spark-operator && useradd -r -g spark-operator spark-operator +RUN chown -R spark-operator /usr/bin +USER spark-operator +ENTRYPOINT ["/usr/bin/entrypoint.sh"] \ No newline at end of file diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..a2537d9 --- /dev/null +++ b/LICENSE @@ -0,0 +1,213 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + +<<<<<<< HEAD + Copyright [yyyy] [name of copyright owner] +======= + Copyright 2020 Ironbank Containers / Kubeflow / metadata / watcher +>>>>>>> binary-testing + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and +<<<<<<< HEAD + limitations under the License. +======= + limitations under the License. +>>>>>>> binary-testing diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..f801b4f --- /dev/null +++ b/Makefile @@ -0,0 +1,54 @@ +.PHONY: history + +ORIGINAL=gcr.io/spark-operator/spark-operator@sha256:52b257911a5c47c480aae25f83c80151a2ed8c99e8b50317d451c157c80666fd +TAGGED=spark-operator/spark-operator:v1beta2-1.0.0-2.4.4 +HARDENED=spark-operator-v1beta2-1.0.0-2.4.4:hardened + +pull: + docker pull ${ORIGINAL} + docker tag ${ORIGINAL} ${TAGGED} + +run-original: + docker run --rm \ + --name original \ + ${TAGGED} + +shell-original: + docker run -it \ + --name original-interactive \ + ${TAGGED} \ + /bin/bash + +history: + docker history --format "{{.CreatedBy}}" \ + ${TAGGED} \ + --no-trunc | tac | tee history.txt + +build: pull + docker build --no-cache \ + --build-arg BASE_REGISTRY="registry.access.redhat.com" \ + -t ${HARDENED} . + +# Build fast +fast: + docker build \ + --build-arg BASE_REGISTRY="registry.access.redhat.com" \ + -t ${HARDENED} . + +run: + docker run --rm \ + ${HARDENED} + +shell: + docker run -it --rm \ + ${HARDENED} \ + /bin/bash + +copy-root: + docker cp original-interactive:/ files + +clean: + docker stop original original-interactive ${HARDENED} + docker rm original original-interactive ${HARDENED} + +all: pull fast run \ No newline at end of file diff --git a/README.md b/README.md index 2f4e48b..40ee2a5 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,7 @@ -# Spark Operator V1beta2 1.0.0 +# spark-operator-v1beta2-1.0.0-2.4.4 +This is a hardened version of the upstream spark-operator/spark-operator:v1beta2-1.0.0-2.4.4 image. This is NOT meant to be deployed as is, rather imported and usesd as a base container. An example of some containers that will rely on this are the jupyter notebook containers as well as some others for the Kubeflow deployment. +No chart or deployment instructions will be made available for this image unless there is a need to deploy this container as-is +To test, run `make build` then `make run`. + +To compare to unhardened container, run `make run-original` diff --git a/hardening_manifest.yaml b/hardening_manifest.yaml new file mode 100644 index 0000000..2f40222 --- /dev/null +++ b/hardening_manifest.yaml @@ -0,0 +1,42 @@ +--- +apiVersion: v1 + +# The repository name in registry1, excluding /ironbank/ +name: "spark-operator/spark-operator" + +tags: +- "v1beta2-1.0.0-2.4.4" +- "latest" + +# Build args passed to Dockerfile ARGs +args: + BASE_IMAGE: "redhat/ubi/ubi8" + BASE_TAG: "8.3" + +# Docker image labels +labels: + org.opencontainers.image.title: "Spark Operator V1beta2 1.0.0" + org.opencontainers.image.description: "spark-operator component for v1beta2-1.0.0-2.4.4 based on UBI 8" + org.opencontainers.image.licenses: "Apache-2.0" + org.opencontainers.image.url: "gcr.io/spark-operator/spark-operator@sha256:52b257911a5c47c480aae25f83c80151a2ed8c99e8b50317d451c157c80666fd" + org.opencontainers.image.vendor: "spark-operator" + org.opencontainers.image.version: "v1beta2-1.0.0-2.4.4" + mil.dso.ironbank.image.keywords: "spark,spark-operator,v1beta2-1.0.0-2.4.4" + mil.dso.ironbank.image.type: "opensource" + mil.dso.ironbank.product.name: "kubeflow" + +# List of resources to make available to the offline build context +resources: + - tag: spark-operator/spark-operator:v1beta2-1.0.0-2.4.4 + url: docker://gcr.io/spark-operator/spark-operator@sha256:52b257911a5c47c480aae25f83c80151a2ed8c99e8b50317d451c157c80666fd + - url: "https://github.com/krallin/tini/releases/download/v0.18.0/tini-amd64" + filename: tini + validation: + type: sha256 + value: "12d20136605531b09a2c2dac02ccee85e1b874eb322ef6baf7561cd93f93c855" + +maintainers: +- email: "cvernooy@oteemo.com" + name: "Christopher Vernooy" + username: "cvernooy" + cht_member: true # FIXME: Uncomment if the maintainer is a member of CHT -- GitLab From 2957c0a52a97db1dd513cfa213f1ba27b668976a Mon Sep 17 00:00:00 2001 From: Christopher Vernooy Date: Mon, 22 Feb 2021 15:58:43 +0000 Subject: [PATCH 2/4] Add new directory --- scripts/.gitkeep | 0 1 file changed, 0 insertions(+), 0 deletions(-) create mode 100644 scripts/.gitkeep diff --git a/scripts/.gitkeep b/scripts/.gitkeep new file mode 100644 index 0000000..e69de29 -- GitLab From 2d9eda530ce92a85ba746227ad5d8322015fa223 Mon Sep 17 00:00:00 2001 From: Christopher Vernooy Date: Mon, 22 Feb 2021 15:58:57 +0000 Subject: [PATCH 3/4] Add new file --- scripts/gencerts.sh | 170 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 170 insertions(+) create mode 100644 scripts/gencerts.sh diff --git a/scripts/gencerts.sh b/scripts/gencerts.sh new file mode 100644 index 0000000..6387079 --- /dev/null +++ b/scripts/gencerts.sh @@ -0,0 +1,170 @@ +#!/bin/bash +# +# Copyright 2018 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# Generates a CA certificate, a server key, and a server certificate signed by the CA. + +set -e +SCRIPT=`basename ${BASH_SOURCE[0]}` + +function usage { + cat<< EOF + Usage: $SCRIPT + Options: + -h | --help Display help information. + -n | --namespace The namespace where the Spark operator is installed. + -s | --service The name of the webhook service. + -p | --in-pod Whether the script is running inside a pod or not. +EOF +} + +function parse_arguments { + while [[ $# -gt 0 ]] + do + case "$1" in + -n|--namespace) + if [[ -n "$2" ]]; then + NAMESPACE="$2" + else + echo "-n or --namespace requires a value." + exit 1 + fi + shift 2 + continue + ;; + -s|--service) + if [[ -n "$2" ]]; then + SERVICE="$2" + else + echo "-s or --service requires a value." + exit 1 + fi + shift 2 + continue + ;; + -p|--in-pod) + export IN_POD=true + shift 1 + continue + ;; + -h|--help) + usage + exit 0 + ;; + --) # End of all options. + shift + break + ;; + '') # End of all options. + break + ;; + *) + echo "Unrecognized option: $1" + exit 1 + ;; + esac + done +} + +# Set the namespace to "sparkoperator" by default if not provided. +# Set the webhook service name to "spark-webhook" by default if not provided. +IN_POD=false +SERVICE="spark-webhook" +NAMESPACE="spark-operator" +parse_arguments "$@" + +TMP_DIR="/tmp/spark-pod-webhook-certs" + +echo "Generating certs for the Spark pod admission webhook in ${TMP_DIR}." +mkdir -p ${TMP_DIR} +cat > ${TMP_DIR}/server.conf << EOF +[req] +req_extensions = v3_req +distinguished_name = req_distinguished_name +[req_distinguished_name] +[ v3_req ] +basicConstraints = CA:FALSE +keyUsage = nonRepudiation, digitalSignature, keyEncipherment +extendedKeyUsage = clientAuth, serverAuth +subjectAltName = DNS:${SERVICE}.${NAMESPACE}.svc +EOF + +# Create a certificate authority. +touch ${TMP_DIR}/.rnd +export RANDFILE=${TMP_DIR}/.rnd +openssl genrsa -out ${TMP_DIR}/ca-key.pem 2048 +openssl req -x509 -new -nodes -key ${TMP_DIR}/ca-key.pem -days 100000 -out ${TMP_DIR}/ca-cert.pem -subj "/CN=${SERVICE}.${NAMESPACE}.svc" + +# Create a server certificate. +openssl genrsa -out ${TMP_DIR}/server-key.pem 2048 +# Note the CN is the DNS name of the service of the webhook. +openssl req -new -key ${TMP_DIR}/server-key.pem -out ${TMP_DIR}/server.csr -subj "/CN=${SERVICE}.${NAMESPACE}.svc" -config ${TMP_DIR}/server.conf +openssl x509 -req -in ${TMP_DIR}/server.csr -CA ${TMP_DIR}/ca-cert.pem -CAkey ${TMP_DIR}/ca-key.pem -CAcreateserial -out ${TMP_DIR}/server-cert.pem -days 100000 -extensions v3_req -extfile ${TMP_DIR}/server.conf + +if [[ "$IN_POD" == "true" ]]; then + TOKEN=$(cat /var/run/secrets/kubernetes.io/serviceaccount/token) + + # Base64 encode secrets and then remove the trailing newline to avoid issues in the curl command + ca_cert=$(cat ${TMP_DIR}/ca-cert.pem | base64 | tr -d '\n') + ca_key=$(cat ${TMP_DIR}/ca-key.pem | base64 | tr -d '\n') + server_cert=$(cat ${TMP_DIR}/server-cert.pem | base64 | tr -d '\n') + server_key=$(cat ${TMP_DIR}/server-key.pem | base64 | tr -d '\n') + + # Create the secret resource + echo "Creating a secret for the certificate and keys" + STATUS=$(curl -ik \ + -o ${TMP_DIR}/output \ + -w "%{http_code}" \ + -X POST \ + -H "Authorization: Bearer $TOKEN" \ + -H 'Accept: application/json' \ + -H 'Content-Type: application/json' \ + -d '{ + "kind": "Secret", + "apiVersion": "v1", + "metadata": { + "name": "spark-webhook-certs", + "namespace": "'"$NAMESPACE"'" + }, + "data": { + "ca-cert.pem": "'"$ca_cert"'", + "ca-key.pem": "'"$ca_key"'", + "server-cert.pem": "'"$server_cert"'", + "server-key.pem": "'"$server_key"'" + } + }' \ + https://kubernetes.default.svc/api/v1/namespaces/${NAMESPACE}/secrets) + + cat ${TMP_DIR}/output + + case "$STATUS" in + 201) + printf "\nSuccess - secret created.\n" + ;; + 409) + printf "\nSuccess - secret already exists.\n" + ;; + *) + printf "\nFailed creating secret.\n" + exit 1 + ;; + esac +else + kubectl create secret --namespace=${NAMESPACE} generic spark-webhook-certs --from-file=${TMP_DIR}/ca-key.pem --from-file=${TMP_DIR}/ca-cert.pem --from-file=${TMP_DIR}/server-key.pem --from-file=${TMP_DIR}/server-cert.pem +fi + +# Clean up after we're done. +printf "\nDeleting ${TMP_DIR}.\n" +rm -rf ${TMP_DIR} -- GitLab From ed7a4bd2467c4b65b33cdcde4d761549b123dc4c Mon Sep 17 00:00:00 2001 From: Christopher Vernooy Date: Mon, 22 Feb 2021 16:00:45 +0000 Subject: [PATCH 4/4] Update Dockerfile, scripts/entrypoint.sh files --- Dockerfile | 6 +++--- scripts/entrypoint.sh | 27 +++++++++++++++++++++++++++ 2 files changed, 30 insertions(+), 3 deletions(-) create mode 100644 scripts/entrypoint.sh diff --git a/Dockerfile b/Dockerfile index 34d3df6..ed10cf7 100644 --- a/Dockerfile +++ b/Dockerfile @@ -9,13 +9,13 @@ RUN rm -rf /var/cache/dnf COPY --from=base /usr/bin/spark-operator /usr/bin/ COPY tini /sbin/ RUN chmod +x /sbin/tini -COPY --from=base /usr/bin/gencerts.sh /usr/bin/ +COPY scripts/gencerts.sh /usr/bin/ RUN chmod +x /usr/bin/gencerts.sh -COPY --from=base /usr/bin/entrypoint.sh /usr/bin/ +COPY scripts/entrypoint.sh /usr/bin/ RUN chmod +x /usr/bin/entrypoint.sh RUN find / -path /proc -prune -o -perm /4000 -exec chmod u-s {} \; RUN find / -path /proc -prune -o -perm /2000 -exec chmod g-s {} \; RUN groupadd -r spark-operator && useradd -r -g spark-operator spark-operator RUN chown -R spark-operator /usr/bin USER spark-operator -ENTRYPOINT ["/usr/bin/entrypoint.sh"] \ No newline at end of file +ENTRYPOINT ["/usr/bin/entrypoint.sh"] diff --git a/scripts/entrypoint.sh b/scripts/entrypoint.sh new file mode 100644 index 0000000..f3c83eb --- /dev/null +++ b/scripts/entrypoint.sh @@ -0,0 +1,27 @@ +#!/bin/bash + +# echo commands to the terminal output +set -ex + +# Check whether there is a passwd entry for the container UID +myuid=$(id -u) +mygid=$(id -g) +# turn off -e for getent because it will return error code in anonymous uid case +set +e +uidentry=$(getent passwd $myuid) +set -e + +echo $myuid +echo $mygid +echo $uidentry + +# If there is no passwd entry for the container UID, attempt to create one +if [[ -z "$uidentry" ]] ; then + if [[ -w /etc/passwd ]] ; then + echo "$myuid:x:$myuid:$mygid:anonymous uid:$SPARK_HOME:/bin/false" >> /etc/passwd + else + echo "Container ENTRYPOINT failed to add passwd entry for anonymous UID" + fi +fi + +exec /usr/bin/tini -s -- /usr/bin/spark-operator "$@" -- GitLab