caasp-devenv

#!/bin/sh

set -euo pipefail

# This script should be as dumb as possible, it should
# contain the most commonly used options for each of the
# other tools, and no more. If you need to customize the
# options for a tool, use that tool directly instead!

# options
HAS_ACTION=false
RUN_SETUP=false
RUN_BUILD=false
RUN_BOOTSTRAP=false
RUN_TESTINFRA=false
RUN_DESTROY=false

MASTERS=1
WORKERS=2
PROXY=${CAASP_HTTP_PROXY:-}
PARALLELISM=1

# READ THIS BEFORE ADDING ANYTHING HERE.
#
# This script should remain as simple as possible, with
# options only for the most commonly used options of the
# tools it orchestrates. If it's not something most
# developers would use at least once a week, then it doesn't
# belong here.

USAGE=$(cat <<USAGE
Usage:

  * Setup your workstation

    --setup                  Install Dev Env Dependencies

  * Building a cluster

    -b|--build               Run the CaaSP KVM Build Step
    -m|--masters <INT>       Number of masters to build
    -w|--workers <INT>       Number of workers to build
    -d|--destroy             Run the CaaSP KVM Destroy Step

  * Bootstraping a cluster

    Velum Username: test@test.com
    Velum Password: password

    -B|--bootstrap           Bootstrap CaaSP cluster

  * Testing a cluster

    -T|--testinfra           Run testinfra tests

  * Common options

    -p|--parallelism         Set terraform parallelism
    -P|--proxy               Set HTTP Proxy (Default: CAASP_HTTP_PROXY)

  * Examples:

  Build, Bootstrap and Test a cluster

  $0 --build -m 1 -w 2 --bootstrap --testinfra

  Bootstrap and Test a pre-made cluster

  $0 --bootstrap --testinfra

USAGE
)

# Utility methods
log()        { (>&2 echo ">>> [caasp-devenv] $@") ; }
warn()       { log "WARNING: $@" ; }
error()      { log "ERROR: $@" ; exit 1 ; }
check_file() { if [ ! -f $1 ]; then error "File $1 doesn't exist!"; fi }

# parse options
while [[ $# > 0 ]] ; do
  case $1 in
    --setup)
      RUN_SETUP=true
      HAS_ACTION=true
      ;;
    -b|--build)
      RUN_BUILD=true
      HAS_ACTION=true
      ;;
    -m|--masters)
      MASTERS="$2"
      shift
      ;;
    -w|--workers)
      WORKERS="$2"
      shift
      ;;
    -d|--destroy)
      RUN_DESTROY=true
      HAS_ACTION=true
      ;;
    -B|--bootstrap)
      RUN_BOOTSTRAP=true
      HAS_ACTION=true
      ;;
    -T|--testinfra)
      RUN_TESTINFRA=true
      HAS_ACTION=true
      ;;
    -p|--parallelism)
      PARALLELISM="$2"
      shift
      ;;
    -P|--proxy)
      PROXY="$2"
      shift
      ;;
    -h|--help)
      echo "$USAGE"
      exit 0
      ;;
  esac
  shift
done

# Core methods
setup() {
  log "Installing CaaSP Development Environment Requiemnts"
  local dist=$(lsb-release -sd | tr -d '"' | tr " " "_")

  if ! zypper lr -dU | grep --quiet "opensuse.org/repositories/Virtualization:/containers"; then
    log "Adding Virtualization:containers Zypper repo"
    sudo zypper ar --refresh http://download.opensuse.org/repositories/Virtualization:/containers/${dist}/Virtualization:containers.repo
  fi

  # || : is necessary, as Zypper exits non-zero for "no changes".
  sudo zypper in --no-confirm jq python-tox python-openstackclient python-novaclient python-heatclient terraform terraform-provider-libvirt || :

  pushd velum-bootstrap
  ./velum-interactions --setup
  popd
}

build() {
  pushd caasp-kvm
  log "Starting CaaSP KVM Environment"
  ./caasp-kvm --build -m $MASTERS -w $WORKERS --parallelism=$PARALLELISM --proxy "${PROXY}"
  popd
}

bootstrap() {
  log "Bootstrap CaaSP Environment"

  export ENVIRONMENT=$(realpath caasp-kvm/environment.json)
  pushd velum-bootstrap
  ./velum-interactions --configure --bootstrap
  popd
}

testinfra() {
  log "Testing CaaSP Environment using testinfra"

  export ENVIRONMENT_JSON=$(realpath caasp-kvm/environment.json)
  pushd testinfra
  tox
  popd
}

destroy() {
  pushd caasp-kvm

  log "Destroy CaaSP KVM Environment"
  ./caasp-kvm --destroy --parallelism=$PARALLELISM --proxy "${PROXY}"
  popd
}

# main
if [ "$HAS_ACTION" != true ]; then
  echo "$USAGE"
  error "No action arguments were supplied"
fi

if [ "$RUN_SETUP" = true ]; then
  setup
fi

if [ "$RUN_BUILD" = true ]; then
  build
fi

if [ "$RUN_BOOTSTRAP" = true ] ; then
  bootstrap
fi

if [ "$RUN_TESTINFRA" = true ] ; then
  testinfra
fi

if [ "$RUN_DESTROY" = true ] ; then
  destroy
fi

log "Done"