#!/bin/bash
set -ve


echo "Installing go $goversion"
curl -sL https://storage.googleapis.com/golang/go${goversion}.linux-${ARCH}.tar.gz | tar -xzf - -C /usr/local
# ---
cat <<EOF >/etc/profile.d/build.sh
export SELINUX=true
# export DQLITE=true
# export STATIC_BUILD=true
EOF
. /etc/profile.d/build.sh
# ---
sed -i 's|:/bin/ash$|:/bin/bash|g' /etc/passwd
cat <<EOF >/etc/profile.d/color.sh
alias ls='ls --color=auto'
export PS1='\033[31m[ \033[90m\D{%F %T}\033[31m ] \033[35m{\033[90m$OS\033[35m}\n\[\033[36m\]\u\[\033[m\]🐮\[\033[32m\]\h:\[\033[33;1m\]\w\[\033[m\]\$ '
EOF
# ---
DQLITE_URL="https://github.com/$(grep dqlite-build Dockerfile.dapper | sed -e 's/^.*--from=\([^ ]*\).*$/\1/' -e 's|:|/releases/download/|')/dqlite-$ARCH.tgz"
echo "Downloading DQLITE from $DQLITE_URL"
mkdir -p /usr/src/
curl -sfL $DQLITE_URL -o /usr/src/dqlite.tgz
# ---
mkdir -p ${GOPATH}/bin
mkdir -p /go
ln -s $GOPATH/bin /go/bin
sed ':a;N;$!ba;s/\\\n/ /g' <Dockerfile.dapper | grep '^RUN ' | sed -e 's/^RUN //' >/tmp/docker-run
sed -E 's|apk( -U)?( --no-cache)?( --repository [^ ]*)? add( --allow-untrusted)?|yum install -y|g' -i /tmp/docker-run
sed -E 's/-dev/-devel/g' -i /tmp/docker-run
export BINDIR=/go/bin
export GOPATH=/go
export HOME=/tmp
( set +e && . /tmp/docker-run ) || true
# ---
go get -u github.com/go-delve/delve/cmd/dlv
# ---
# docker install instructions slightly changed from https://kubernetes.io/docs/setup/production-environment/container-runtimes/
# default "exec-opts": ["native.cgroupdriver=cgroupfs"], and set "selinux-enabled": true
yum remove -y docker docker-common
yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager --add-repo   https://download.docker.com/linux/centos/docker-ce.repo
yum update -y && yum install -y   containerd.io-1.2.10   docker-ce-19.03.4   docker-ce-cli-19.03.4
mkdir -p /etc/docker
cat > /etc/docker/daemon.json <<EOF
{
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "100m"
  },
  "selinux-enabled": true,
  "storage-driver": "overlay2",
  "storage-opts": [
    "overlay2.override_kernel_check=true"
  ]
}
EOF
# ---
systemctl daemon-reload
systemctl disable --now firewalld
systemctl disable --now docker
# ---
# set selinux to permissive for dev & testing purposes only
setenforce 0
sed -i 's/^SELINUX=enforcing$/SELINUX=permissive/' /etc/selinux/config
# ---
cat <<\EOF >>/etc/motd
               ,        ,
   ,-----------|'------'| |\    ____
  /.           '-'@  o|-' | |  /___ \
 |/|             | .. |   | | __ __) | ____
   |   .________.'----'   | |/ /|__ < / __/
   |  ||        |  ||     |   < ___) |\__ \
   \__|'        \__|'     |_|\_\_____/____/

EOF
# ---
set +v