dockerbuild.sh

#!/usr/bin/env bash
# Create container image for Cisco NSO
# Inspiration: https://opensource.com/article/20/5/optimize-container-builds
set -e

USAGE="Usage: ${0} <FileServerIP> [--nsoVer <NSOver>] [--nsoInstallType <local|system>] [--serverPort <FileServerPort>] [--dockerfile <Dockerfile>] [--javaVer <8|11>]"

nsoVer=${nsoVer:-5.4.4.3}
# Install type is local or system
nsoInstallType=${nsoInstallType:-local}
# Java version should be 8 or 11
javaVer=${javaVer:-11}
serverIP=${1:-0.0.0.0}
serverPort=${serverPort:-48888}
dockerfile=${dockerfile:-Dockerfile.script}
dockerCLI=${dockerCLI:-false}
openssh=${openssh:-false}

while [ $# -gt 0 ]; do
  if [[ $1 == --* ]]; then
    param="${1#--}"
    declare $param="$2"
  fi
  shift
done

if [[ ${serverIP} == --* || "${serverIP}" == "0.0.0.0" || "${serverIP}" == "127.0.0.1" || "${serverIP}" == "localhost" ]]; then \
  echo "You need to supply a local server IP, otherwise wget for resources in the Dockerfile will likely fail"
  echo ${USAGE}
  exit 1
fi

IMAGE_TAG=${USER}/nso-${nsoInstallType}:${nsoVer}
NSO_URL=https://earth.tail-f.com:8443/ncs/

# Stop local HTTP server in case it was already running
(kill -9 `ps -ef | grep http.server | grep ${serverPort} | awk '{print $2}'`) || true

# Pull NSO installer
NSO_FILE=nso-${nsoVer}.linux.x86_64.installer.bin
#curl -k -u user:pass --output ./install-files/$NSO_FILE $NSO_URL/$NSO_FILE

# Start a local HTTP server to serve files from the 'install-files' directory. Place
# the NSO installer there, along with anything else required
python3 -m http.server -d ./install-files ${serverPort} &

# The build date must be from RFC 3339, the date-time string
docker image build -f ./${dockerfile} \
   --build-arg build_date=$(date -u +'%Y-%m-%dT%H:%M:%SZ') \
   --build-arg nso_ver=${nsoVer} \
   --build-arg nso_install_type=${nsoInstallType} \
   --build-arg java_version=${javaVer} \
   --build-arg docker_cli=${dockerCLI} \
   --build-arg openssh_server=${openssh} \
   --build-arg file_server=${serverIP}:${serverPort} -t ${IMAGE_TAG} .

# Stop local HTTP server
kill -9 `ps -ef | grep http.server | grep ${serverPort} | awk '{print $2}'`