packer/provision/basebuild.sh - ci-management - Gitiles

 #!/bin/bash
 # Ubuntu base build

 # vim: ts=4 sw=4 sts=4 et tw=72 :

 # force any errors to cause the script and job to end in failure
 set -xeu -o pipefail

 rh_systems() {
     echo 'No changes to apply'
 }

 ubuntu_systems() {
     DISTRO=$(lsb_release -cs)

     apt-get clean

     # get prereqs for PPA and apt-over-HTTPS support
     apt-get update
     apt-get install -y apt-transport-https software-properties-common

     # set up ansible repo
     apt-add-repository -y ppa:ansible/ansible

     # set up docker repo
     apt-key adv --keyserver keyserver.ubuntu.com --recv 0EBFCD88
     add-apt-repository \
         "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
          $(lsb_release -cs) \
          stable"

     # set up golang repo
     # docs: https://github.com/golang/go/wiki/Ubuntu
     add-apt-repository ppa:longsleep/golang-backports

     # set up kubernetes repo
     cat << EOF | base64 -d > /tmp/k8s-apt-key.gpg
 mQENBFUd6rIBCAD6mhKRHDn3UrCeLDp7U5IE7AhhrOCPpqGF7mfTemZYHf/5JdjxcOxoSFlK
 7zwmFr3lVqJ+tJ9L1wd1K6P7RrtaNwCiZyeNPf/Y86AJ5NJwBe0VD0xHTXzPNTqRSByVYtdN
 94NoltXUYFAAPZYQls0x0nUD1hLMlOlC2HdTPrD1PMCnYq/NuL/Vk8sWrcUt4DIS+0RDQ8tK
 Ke5PSV0+PnmaJvdF5CKawhh0qGTklS2MXTyKFoqjXgYDfY2EodI9ogT/LGr9Lm/+u4OFPvmN
 9VN6UG+s0DgJjWvpbmuHL/ZIRwMEn/tpuneaLTO7h1dCrXC849PiJ8wSkGzBnuJQUbXnABEB
 AAG0QEdvb2dsZSBDbG91ZCBQYWNrYWdlcyBBdXRvbWF0aWMgU2lnbmluZyBLZXkgPGdjLXRl
 YW1AZ29vZ2xlLmNvbT6JAT4EEwECACgFAlUd6rICGy8FCQWjmoAGCwkIBwMCBhUIAgkKCwQW
 AgMBAh4BAheAAAoJEDdGwginMXsPcLcIAKi2yNhJMbu4zWQ2tM/rJFovazcY28MF2rDWGOnc
 9giHXOH0/BoMBcd8rw0lgjmOosBdM2JT0HWZIxC/Gdt7NSRA0WOlJe04u82/o3OHWDgTdm9M
 S42noSP0mvNzNALBbQnlZHU0kvt3sV1YsnrxljoIuvxKWLLwren/GVshFLPwONjw3f9Fan6G
 WxJyn/dkX3OSUGaduzcygw51vksBQiUZLCD2Tlxyr9NvkZYTqiaWW78L6regvATsLc9L/dQU
 iSMQZIK6NglmHE+cuSaoK0H4ruNKeTiQUw/EGFaLecay6Qy/s3Hk7K0QLd+gl0hZ1w1VzIeX
 Lo2BRlqnjOYFX4CwAgADmQENBFrBaNsBCADrF18KCbsZlo4NjAvVecTBCnp6WcBQJ5oSh7+E
 98jX9YznUCrNrgmeCcCMUvTDRDxfTaDJybaHugfba43nqhkbNpJ47YXsIa+YL6eEE9emSmQt
 jrSWIiY+2YJYwsDgsgckF3duqkb02OdBQlh6IbHPoXB6H//b1PgZYsomB+841XW1LSJPYlYb
 IrWfwDfQvtkFQI90r6NknVTQlpqQh5GLNWNYqRNrGQPmsB+NrUYrkl1nUt1LRGu+rCe4bSaS
 mNbwKMQKkROE4kTiB72DPk7zH4Lm0uo0YFFWG4qsMIuqEihJ/9KNX8GYBr+tWgyLooLlsdK3
 l+4dVqd8cjkJM1ExABEBAAG0QEdvb2dsZSBDbG91ZCBQYWNrYWdlcyBBdXRvbWF0aWMgU2ln
 bmluZyBLZXkgPGdjLXRlYW1AZ29vZ2xlLmNvbT6JAT4EEwECACgFAlrBaNsCGy8FCQWjmoAG
 CwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEGoDCyG6B/T78e8H/1WH2LN/nVNhm5TS1VYJ
 G8B+IW8zS4BqyozxC9iJAJqZIVHXl8g8a/Hus8RfXR7cnYHcg8sjSaJfQhqO9RbKnffiuQgG
 rqwQxuC2jBa6M/QKzejTeP0Mgi67pyrLJNWrFI71RhritQZmzTZ2PoWxfv6b+Tv5v0rPaG+u
 t1J47pn+kYgtUaKdsJz1umi6HzK6AacDf0C0CksJdKG7MOWsZcB4xeOxJYuy6NuO6KcdEz8/
 XyEUjIuIOlhYTd0hH8E/SEBbXXft7/VBQC5wNq40izPi+6WFK/e1O42DIpzQ749ogYQ1eode
 xPNhLzekKR3XhGrNXJ95r5KO10VrsLFNd8KwAgAD
 EOF

     sudo apt-key add /tmp/k8s-apt-key.gpg
     echo "deb http://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list

     # set up NodeJS repo
     # Instructions: https://github.com/nodesource/distributions/blob/master/README.md#manual-installation

     cat << EOF | base64 -d > /tmp/nodejs-apt-key.gpg
 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
 EOF

     sudo apt-key add /tmp/nodejs-apt-key.gpg
     NODE_VERSION=node_7.x
     echo "deb https://deb.nodesource.com/$NODE_VERSION $DISTRO main" | sudo tee /etc/apt/sources.list.d/nodesource.list
     echo "deb-src https://deb.nodesource.com/$NODE_VERSION $DISTRO main" | sudo tee -a /etc/apt/sources.list.d/nodesource.list

     # update after adding apt repos to sources
     apt-get update

     # install basic sofware requirements
     apt-get install -y \
         "docker-ce=17.06*" \
         apt-transport-https \
         ansible \
         build-essential \
         bzip2 \
         curl \
         ebtables \
         ethtool \
         git \
         golang-1.12-go \
         httpie \
         jq \
         kafkacat \
         "kubeadm=1.12.7-*" \
         "kubelet=1.12.7-*" \
         "kubectl=1.12.7-*" \
         less \
         libmysqlclient-dev \
         libpcap-dev \
         libxml2-utils \
         maven \
         nodejs \
         python \
         python-certifi \
         python-cryptography \
         python-dev \
         python-idna \
         python-netaddr \
         python-openssl \
         python-pip \
         python-urllib3 \
         python3-dev \
         ruby \
         screen \
         socat \
         ssh \
         sshpass \
         zip
         # end of apt-get install list

     # install python modules
     pip install \
         Jinja2 \
         ansible-lint \
         astroid==1.* \
         coverage \
         docker-compose==1.20.1 \
         docker==3.2.1 \
         gitpython \
         graphviz \
         grpcio-tools \
         isort \
         linkchecker \
         more-itertools==5.0.0 \
         mock \
         nose2 \
         pexpect \
         pylint==1.* \
         pyyaml \
         robotframework \
         robotframework-httplibrary \
         robotframework-kafkalibrary \
         robotframework-lint \
         robotframework-requests \
         robotframework-sshlibrary \
         tox \
         twine \
         virtualenv
         # end of pip install list

     # install ruby gems
     gem install \
         mdl -v 0.5.0
         # end of gem install list

     # install npm modules
     npm install -g \
         gitbook-cli \
         markdownlint \
         typings
         # end of npm install list

     # install golang packages in /usr/local/go
     # Set PATH=$PATH:/usr/local/go/bin` to use these
     export GOPATH=/usr/local/go
     mkdir -p $GOPATH
     export PATH=$PATH:/usr/lib/go-1.12/bin:$GOPATH/bin

     # converters for unit/coverage test
     go get -v github.com/t-yuki/gocover-cobertura
     go get -v github.com/jstemmer/go-junit-report

     # gothub - uploader for github artifacts
     go get -v github.com/itchio/gothub

     # dep for go package dependencies w/versioning, version 0.5.2, adapted from:
     #  https://golang.github.io/dep/docs/installation.html#install-from-source
     go get -d -u github.com/golang/dep
     pushd $(go env GOPATH)/src/github.com/golang/dep
       git checkout "0.5.2"
       go install -ldflags="-X main.version=0.5.2" ./cmd/dep
     popd

     # golangci-lint for testing
     #  https://github.com/golangci/golangci-lint#local-installation
     GO111MODULE=on go get github.com/golangci/golangci-lint/cmd/golangci-lint@v1.17.1

     # protoc-gen-go - Golang protbuf compiler extension for protoc (installed
     # below)
     go get -d -u github.com/golang/protobuf/protoc-gen-go
     pushd $(go env GOPATH)/src/github.com/golang/protobuf
       git checkout "v1.3.1"
       go install ./protoc-gen-go
     popd

     # install repo launcher v1.13.8
     REPO_B64_SHA256SUM="ac7058283b4e2b51db31a79632c3e2f809d8f6270217d280fcc52f1325e69960"
     curl -o /tmp/repo.b64 'https://gerrit.googlesource.com/git-repo/+/refs/tags/v1.13.8/repo?format=TEXT'
     echo "$REPO_B64_SHA256SUM  /tmp/repo.b64" | sha256sum -c -
     base64 --decode /tmp/repo.b64 > /tmp/repo
     mv /tmp/repo /usr/local/bin/repo
     chmod a+x /usr/local/bin/repo

     # install sonarqube scanner
     # dl link: https://docs.sonarqube.org/display/SCAN/Analyzing+with+SonarQube+Scanner
     SONAR_SCANNER_CLI_VERSION="3.2.0.1227"
     SONAR_SCANNER_CLI_SHA256SUM="07a50ec270a36cb83f26fe93233819c53c145248c638f4591880f1bd36e331d6"
     curl -L -o /tmp/sonarscanner.zip "https://binaries.sonarsource.com/Distribution/sonar-scanner-cli/sonar-scanner-cli-${SONAR_SCANNER_CLI_VERSION}-linux.zip"
     echo "$SONAR_SCANNER_CLI_SHA256SUM  /tmp/sonarscanner.zip" | sha256sum -c -
     pushd /opt
     unzip /tmp/sonarscanner.zip
     mv sonar-scanner-${SONAR_SCANNER_CLI_VERSION}-linux sonar-scanner
     rm -f /tmp/sonarscanner.zip
     popd

     # install helm
     HELM_VERSION="2.14.2"
     HELM_SHA256SUM="9f50e69cf5cfa7268b28686728ad0227507a169e52bf59c99ada872ddd9679f0"
     HELM_PLATFORM="linux-amd64"
     curl -L -o /tmp/helm.tgz "https://storage.googleapis.com/kubernetes-helm/helm-v${HELM_VERSION}-${HELM_PLATFORM}.tar.gz"
     echo "$HELM_SHA256SUM  /tmp/helm.tgz" | sha256sum -c -
     pushd /tmp
     tar -xzvf helm.tgz
     mv ${HELM_PLATFORM}/helm /usr/local/bin/helm
     chmod a+x /usr/local/bin/helm
     rm -rf helm.tgz ${HELM_PLATFORM}
     popd

     # install minikube
     MINIKUBE_VERSION="0.30.0"
     MINIKUBE_DEB_VERSION="$(echo ${MINIKUBE_VERSION} | sed -n 's/\(.*\)\.\(.*\)/\1-\2/p')"
     MINIKUBE_SHA256SUM="c6c5aa5956f8ad5f61d426e9b8601ba95965a9c30bb80a9fe7525c64e6dd12fd"
     curl -L -o /tmp/minikube.deb "https://storage.googleapis.com/minikube/releases/v${MINIKUBE_VERSION}/minikube_${MINIKUBE_DEB_VERSION}.deb"
     echo "$MINIKUBE_SHA256SUM  /tmp/minikube.deb" | sha256sum -c -
     pushd /tmp
     dpkg -i minikube.deb
     rm -f minikube.deb
     popd

     # install protobufs
     PROTOC_VERSION="3.7.0"
     PROTOC_SHA256SUM="a1b8ed22d6dc53c5b8680a6f1760a305b33ef471bece482e92728f00ba2a2969"
     curl -L -o /tmp/protoc-${PROTOC_VERSION}-linux-x86_64.zip https://github.com/google/protobuf/releases/download/v${PROTOC_VERSION}/protoc-${PROTOC_VERSION}-linux-x86_64.zip
     echo "$PROTOC_SHA256SUM  /tmp/protoc-${PROTOC_VERSION}-linux-x86_64.zip" | sha256sum -c -
     unzip /tmp/protoc-${PROTOC_VERSION}-linux-x86_64.zip -d /tmp/protoc3
     mv /tmp/protoc3/bin/* /usr/local/bin/
     mv /tmp/protoc3/include/* /usr/local/include/
     # fix permissions on files
     chmod -R a+rx /usr/local/bin/*
     chmod -R a+rX /usr/local/include/

     # give sudo permissions on minikube and protoc to jenkins user
     cat <<EOF >/etc/sudoers.d/88-jenkins-minikube-protoc
 Cmnd_Alias CMDS = /usr/local/bin/protoc, /usr/bin/minikube
 Defaults:jenkins !requiretty
 jenkins ALL=(ALL) NOPASSWD:SETENV: CMDS
 EOF

     # install hadolint (Dockerfile checker)
     HADOLINT_VERSION="1.17.1"
     HADOLINT_SHA256SUM="2f8f3bf120e9766e6e79f7a86fed8ede55ebbf2042175b68a7c899a74eabbf34"
     curl -L -o /tmp/hadolint https://github.com/hadolint/hadolint/releases/download/v${HADOLINT_VERSION}/hadolint-Linux-x86_64
     echo "$HADOLINT_SHA256SUM  /tmp/hadolint" | sha256sum -c -
     mv /tmp/hadolint /usr/local/bin/hadolint
     chmod -R a+rx /usr/local/bin/hadolint

     # remove apparmor
     service apparmor stop
     update-rc.d -f apparmor remove
     apt-get remove apparmor-utils libapparmor-perl apparmor
     update-grub

     # clean up
     apt-get clean
     apt-get purge -y
     apt-get autoremove -y
     rm -rf /var/lib/apt/lists/*
 }

 all_systems() {
     echo 'No common distribution configuration to perform'
 }

 echo "---> Detecting OS"
 ORIGIN=$(facter operatingsystem | tr '[:upper:]' '[:lower:]')

 case "${ORIGIN}" in
     fedora|centos|redhat)
         echo "---> RH type system detected"
         rh_systems
     ;;
     ubuntu)
         echo "---> Ubuntu system detected"
         ubuntu_systems
     ;;
     *)
         echo "---> Unknown operating system"
     ;;
 esac

 # execute steps for all systems
 all_systems
	#!/bin/bash
	# Ubuntu base build

	# vim: ts=4 sw=4 sts=4 et tw=72 :

	# force any errors to cause the script and job to end in failure
	set -xeu -o pipefail

	rh_systems() {
	echo 'No changes to apply'
	}

	ubuntu_systems() {
	DISTRO=$(lsb_release -cs)

	apt-get clean

	# get prereqs for PPA and apt-over-HTTPS support
	apt-get update
	apt-get install -y apt-transport-https software-properties-common

	# set up ansible repo
	apt-add-repository -y ppa:ansible/ansible

	# set up docker repo
	apt-key adv --keyserver keyserver.ubuntu.com --recv 0EBFCD88
	add-apt-repository \
	"deb [arch=amd64] https://download.docker.com/linux/ubuntu \
	$(lsb_release -cs) \
	stable"

	# set up golang repo
	# docs: https://github.com/golang/go/wiki/Ubuntu
	add-apt-repository ppa:longsleep/golang-backports

	# set up kubernetes repo
	cat << EOF \| base64 -d > /tmp/k8s-apt-key.gpg
	mQENBFUd6rIBCAD6mhKRHDn3UrCeLDp7U5IE7AhhrOCPpqGF7mfTemZYHf/5JdjxcOxoSFlK
	7zwmFr3lVqJ+tJ9L1wd1K6P7RrtaNwCiZyeNPf/Y86AJ5NJwBe0VD0xHTXzPNTqRSByVYtdN
	94NoltXUYFAAPZYQls0x0nUD1hLMlOlC2HdTPrD1PMCnYq/NuL/Vk8sWrcUt4DIS+0RDQ8tK
	Ke5PSV0+PnmaJvdF5CKawhh0qGTklS2MXTyKFoqjXgYDfY2EodI9ogT/LGr9Lm/+u4OFPvmN
	9VN6UG+s0DgJjWvpbmuHL/ZIRwMEn/tpuneaLTO7h1dCrXC849PiJ8wSkGzBnuJQUbXnABEB
	AAG0QEdvb2dsZSBDbG91ZCBQYWNrYWdlcyBBdXRvbWF0aWMgU2lnbmluZyBLZXkgPGdjLXRl
	YW1AZ29vZ2xlLmNvbT6JAT4EEwECACgFAlUd6rICGy8FCQWjmoAGCwkIBwMCBhUIAgkKCwQW
	AgMBAh4BAheAAAoJEDdGwginMXsPcLcIAKi2yNhJMbu4zWQ2tM/rJFovazcY28MF2rDWGOnc
	9giHXOH0/BoMBcd8rw0lgjmOosBdM2JT0HWZIxC/Gdt7NSRA0WOlJe04u82/o3OHWDgTdm9M
	S42noSP0mvNzNALBbQnlZHU0kvt3sV1YsnrxljoIuvxKWLLwren/GVshFLPwONjw3f9Fan6G
	WxJyn/dkX3OSUGaduzcygw51vksBQiUZLCD2Tlxyr9NvkZYTqiaWW78L6regvATsLc9L/dQU
	iSMQZIK6NglmHE+cuSaoK0H4ruNKeTiQUw/EGFaLecay6Qy/s3Hk7K0QLd+gl0hZ1w1VzIeX
	Lo2BRlqnjOYFX4CwAgADmQENBFrBaNsBCADrF18KCbsZlo4NjAvVecTBCnp6WcBQJ5oSh7+E
	98jX9YznUCrNrgmeCcCMUvTDRDxfTaDJybaHugfba43nqhkbNpJ47YXsIa+YL6eEE9emSmQt
	jrSWIiY+2YJYwsDgsgckF3duqkb02OdBQlh6IbHPoXB6H//b1PgZYsomB+841XW1LSJPYlYb
	IrWfwDfQvtkFQI90r6NknVTQlpqQh5GLNWNYqRNrGQPmsB+NrUYrkl1nUt1LRGu+rCe4bSaS
	mNbwKMQKkROE4kTiB72DPk7zH4Lm0uo0YFFWG4qsMIuqEihJ/9KNX8GYBr+tWgyLooLlsdK3
	l+4dVqd8cjkJM1ExABEBAAG0QEdvb2dsZSBDbG91ZCBQYWNrYWdlcyBBdXRvbWF0aWMgU2ln
	bmluZyBLZXkgPGdjLXRlYW1AZ29vZ2xlLmNvbT6JAT4EEwECACgFAlrBaNsCGy8FCQWjmoAG
	CwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEGoDCyG6B/T78e8H/1WH2LN/nVNhm5TS1VYJ
	G8B+IW8zS4BqyozxC9iJAJqZIVHXl8g8a/Hus8RfXR7cnYHcg8sjSaJfQhqO9RbKnffiuQgG
	rqwQxuC2jBa6M/QKzejTeP0Mgi67pyrLJNWrFI71RhritQZmzTZ2PoWxfv6b+Tv5v0rPaG+u
	t1J47pn+kYgtUaKdsJz1umi6HzK6AacDf0C0CksJdKG7MOWsZcB4xeOxJYuy6NuO6KcdEz8/
	XyEUjIuIOlhYTd0hH8E/SEBbXXft7/VBQC5wNq40izPi+6WFK/e1O42DIpzQ749ogYQ1eode
	xPNhLzekKR3XhGrNXJ95r5KO10VrsLFNd8KwAgAD
	EOF

	sudo apt-key add /tmp/k8s-apt-key.gpg
	echo "deb http://apt.kubernetes.io/ kubernetes-xenial main" \| sudo tee /etc/apt/sources.list.d/kubernetes.list

	# set up NodeJS repo
	# Instructions: https://github.com/nodesource/distributions/blob/master/README.md#manual-installation

	cat << EOF \| base64 -d > /tmp/nodejs-apt-key.gpg
	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
	EOF

	sudo apt-key add /tmp/nodejs-apt-key.gpg
	NODE_VERSION=node_7.x
	echo "deb https://deb.nodesource.com/$NODE_VERSION $DISTRO main" \| sudo tee /etc/apt/sources.list.d/nodesource.list
	echo "deb-src https://deb.nodesource.com/$NODE_VERSION $DISTRO main" \| sudo tee -a /etc/apt/sources.list.d/nodesource.list

	# update after adding apt repos to sources
	apt-get update

	# install basic sofware requirements
	apt-get install -y \
	"docker-ce=17.06*" \
	apt-transport-https \
	ansible \
	build-essential \
	bzip2 \
	curl \
	ebtables \
	ethtool \
	git \
	golang-1.12-go \
	httpie \
	jq \
	kafkacat \
	"kubeadm=1.12.7-*" \
	"kubelet=1.12.7-*" \
	"kubectl=1.12.7-*" \
	less \
	libmysqlclient-dev \
	libpcap-dev \
	libxml2-utils \
	maven \
	nodejs \
	python \
	python-certifi \
	python-cryptography \
	python-dev \
	python-idna \
	python-netaddr \
	python-openssl \
	python-pip \
	python-urllib3 \
	python3-dev \
	ruby \
	screen \
	socat \
	ssh \
	sshpass \
	zip
	# end of apt-get install list

	# install python modules
	pip install \
	Jinja2 \
	ansible-lint \
	astroid==1.* \
	coverage \
	docker-compose==1.20.1 \
	docker==3.2.1 \
	gitpython \
	graphviz \
	grpcio-tools \
	isort \
	linkchecker \
	more-itertools==5.0.0 \
	mock \
	nose2 \
	pexpect \
	pylint==1.* \
	pyyaml \
	robotframework \
	robotframework-httplibrary \
	robotframework-kafkalibrary \
	robotframework-lint \
	robotframework-requests \
	robotframework-sshlibrary \
	tox \
	twine \
	virtualenv
	# end of pip install list

	# install ruby gems
	gem install \
	mdl -v 0.5.0
	# end of gem install list

	# install npm modules
	npm install -g \
	gitbook-cli \
	markdownlint \
	typings
	# end of npm install list

	# install golang packages in /usr/local/go
	# Set PATH=$PATH:/usr/local/go/bin` to use these
	export GOPATH=/usr/local/go
	mkdir -p $GOPATH
	export PATH=$PATH:/usr/lib/go-1.12/bin:$GOPATH/bin

	# converters for unit/coverage test
	go get -v github.com/t-yuki/gocover-cobertura
	go get -v github.com/jstemmer/go-junit-report

	# gothub - uploader for github artifacts
	go get -v github.com/itchio/gothub

	# dep for go package dependencies w/versioning, version 0.5.2, adapted from:
	# https://golang.github.io/dep/docs/installation.html#install-from-source
	go get -d -u github.com/golang/dep
	pushd $(go env GOPATH)/src/github.com/golang/dep
	git checkout "0.5.2"
	go install -ldflags="-X main.version=0.5.2" ./cmd/dep
	popd

	# golangci-lint for testing
	# https://github.com/golangci/golangci-lint#local-installation
	GO111MODULE=on go get github.com/golangci/golangci-lint/cmd/golangci-lint@v1.17.1

	# protoc-gen-go - Golang protbuf compiler extension for protoc (installed
	# below)
	go get -d -u github.com/golang/protobuf/protoc-gen-go
	pushd $(go env GOPATH)/src/github.com/golang/protobuf
	git checkout "v1.3.1"
	go install ./protoc-gen-go
	popd

	# install repo launcher v1.13.8
	REPO_B64_SHA256SUM="ac7058283b4e2b51db31a79632c3e2f809d8f6270217d280fcc52f1325e69960"
	curl -o /tmp/repo.b64 'https://gerrit.googlesource.com/git-repo/+/refs/tags/v1.13.8/repo?format=TEXT'
	echo "$REPO_B64_SHA256SUM /tmp/repo.b64" \| sha256sum -c -
	base64 --decode /tmp/repo.b64 > /tmp/repo
	mv /tmp/repo /usr/local/bin/repo
	chmod a+x /usr/local/bin/repo

	# install sonarqube scanner
	# dl link: https://docs.sonarqube.org/display/SCAN/Analyzing+with+SonarQube+Scanner
	SONAR_SCANNER_CLI_VERSION="3.2.0.1227"
	SONAR_SCANNER_CLI_SHA256SUM="07a50ec270a36cb83f26fe93233819c53c145248c638f4591880f1bd36e331d6"
	curl -L -o /tmp/sonarscanner.zip "https://binaries.sonarsource.com/Distribution/sonar-scanner-cli/sonar-scanner-cli-${SONAR_SCANNER_CLI_VERSION}-linux.zip"
	echo "$SONAR_SCANNER_CLI_SHA256SUM /tmp/sonarscanner.zip" \| sha256sum -c -
	pushd /opt
	unzip /tmp/sonarscanner.zip
	mv sonar-scanner-${SONAR_SCANNER_CLI_VERSION}-linux sonar-scanner
	rm -f /tmp/sonarscanner.zip
	popd

	# install helm
	HELM_VERSION="2.14.2"
	HELM_SHA256SUM="9f50e69cf5cfa7268b28686728ad0227507a169e52bf59c99ada872ddd9679f0"
	HELM_PLATFORM="linux-amd64"
	curl -L -o /tmp/helm.tgz "https://storage.googleapis.com/kubernetes-helm/helm-v${HELM_VERSION}-${HELM_PLATFORM}.tar.gz"
	echo "$HELM_SHA256SUM /tmp/helm.tgz" \| sha256sum -c -
	pushd /tmp
	tar -xzvf helm.tgz
	mv ${HELM_PLATFORM}/helm /usr/local/bin/helm
	chmod a+x /usr/local/bin/helm
	rm -rf helm.tgz ${HELM_PLATFORM}
	popd

	# install minikube
	MINIKUBE_VERSION="0.30.0"
	MINIKUBE_DEB_VERSION="$(echo ${MINIKUBE_VERSION} \| sed -n 's/\(.\)\.\(.\)/\1-\2/p')"
	MINIKUBE_SHA256SUM="c6c5aa5956f8ad5f61d426e9b8601ba95965a9c30bb80a9fe7525c64e6dd12fd"
	curl -L -o /tmp/minikube.deb "https://storage.googleapis.com/minikube/releases/v${MINIKUBE_VERSION}/minikube_${MINIKUBE_DEB_VERSION}.deb"
	echo "$MINIKUBE_SHA256SUM /tmp/minikube.deb" \| sha256sum -c -
	pushd /tmp
	dpkg -i minikube.deb
	rm -f minikube.deb
	popd

	# install protobufs
	PROTOC_VERSION="3.7.0"
	PROTOC_SHA256SUM="a1b8ed22d6dc53c5b8680a6f1760a305b33ef471bece482e92728f00ba2a2969"
	curl -L -o /tmp/protoc-${PROTOC_VERSION}-linux-x86_64.zip https://github.com/google/protobuf/releases/download/v${PROTOC_VERSION}/protoc-${PROTOC_VERSION}-linux-x86_64.zip
	echo "$PROTOC_SHA256SUM /tmp/protoc-${PROTOC_VERSION}-linux-x86_64.zip" \| sha256sum -c -
	unzip /tmp/protoc-${PROTOC_VERSION}-linux-x86_64.zip -d /tmp/protoc3
	mv /tmp/protoc3/bin/* /usr/local/bin/
	mv /tmp/protoc3/include/* /usr/local/include/
	# fix permissions on files
	chmod -R a+rx /usr/local/bin/*
	chmod -R a+rX /usr/local/include/

	# give sudo permissions on minikube and protoc to jenkins user
	cat <<EOF >/etc/sudoers.d/88-jenkins-minikube-protoc
	Cmnd_Alias CMDS = /usr/local/bin/protoc, /usr/bin/minikube
	Defaults:jenkins !requiretty
	jenkins ALL=(ALL) NOPASSWD:SETENV: CMDS
	EOF

	# install hadolint (Dockerfile checker)
	HADOLINT_VERSION="1.17.1"
	HADOLINT_SHA256SUM="2f8f3bf120e9766e6e79f7a86fed8ede55ebbf2042175b68a7c899a74eabbf34"
	curl -L -o /tmp/hadolint https://github.com/hadolint/hadolint/releases/download/v${HADOLINT_VERSION}/hadolint-Linux-x86_64
	echo "$HADOLINT_SHA256SUM /tmp/hadolint" \| sha256sum -c -
	mv /tmp/hadolint /usr/local/bin/hadolint
	chmod -R a+rx /usr/local/bin/hadolint

	# remove apparmor
	service apparmor stop
	update-rc.d -f apparmor remove
	apt-get remove apparmor-utils libapparmor-perl apparmor
	update-grub

	# clean up
	apt-get clean
	apt-get purge -y
	apt-get autoremove -y
	rm -rf /var/lib/apt/lists/*
	}

	all_systems() {
	echo 'No common distribution configuration to perform'
	}

	echo "---> Detecting OS"
	ORIGIN=$(facter operatingsystem \| tr '[:upper:]' '[:lower:]')

	case "${ORIGIN}" in
	fedora\|centos\|redhat)
	echo "---> RH type system detected"
	rh_systems
	;;
	ubuntu)
	echo "---> Ubuntu system detected"
	ubuntu_systems
	;;
	*)
	echo "---> Unknown operating system"
	;;
	esac

	# execute steps for all systems
	all_systems