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build.tmpl
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build.tmpl
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#!/usr/bin/env bash
# Copyright 2023-2024 Broadcom. All Rights Reserved.
# SPDX-License-Identifier: BSD-2
set -e
follow_link() {
FILE="$1"
while [ -h "$FILE" ]; do
# On Mac OS, readlink -f doesn't work.
FILE="$(readlink "$FILE")"
done
echo "$FILE"
}
if [ "$1" == "--help" ] || [ "$1" == "-h" ]; then
echo "Usage: script.sh [OPTIONS] [CONFIG_PATH]"
echo ""
echo "Options:"
echo " -h, --help Show this help message and exit."
echo " -d, --debug Run builds in debug mode."
echo ""
echo "Arguments:"
echo " CONFIG_PATH Path to the configuration directory."
echo ""
echo "Examples:"
echo " ./build.sh"
echo " ./build.sh --help"
echo " ./build.sh --debug"
echo " ./build.sh config"
echo " ./build.sh us-west-1"
echo " ./build.sh --debug config"
echo " ./build.sh --debug us-west-1"
exit 0
fi
if [ "$1" == "--debug" ] || [ "$1" == "-d" ]; then
debug_mode=true
debug_option="-debug"
shift
else
debug_mode=false
debug_option=""
fi
SCRIPT_PATH=$(realpath "$(dirname "$(follow_link "$0")")")
if [ -n "$1" ]; then
CONFIG_PATH=$(realpath "$1")
else
CONFIG_PATH=$(realpath "${SCRIPT_PATH}/config")
fi
menu_message="Select a HashiCorp Packer build for VMware vSphere."
if [ "$debug_mode" = true ]; then
menu_message+=" \e[31m(Debug Mode)\e[0m"
fi
{{- $func_index := 0 }}
{{ range $menu := (ds "build").menu -}}
{{ range $submenu := $menu.submenu -}}
{{ $func_index = math.Add $func_index 1 }}
menu_option_{{ $func_index }}() {
INPUT_PATH="$SCRIPT_PATH"/{{ $submenu.build.path }}
BUILD_PATH=${INPUT_PATH#"${SCRIPT_PATH}/builds/"}
BUILD_VARS="$(echo "${BUILD_PATH%/}" | tr -s '/' | tr '/' '-').pkrvars.hcl"
{{ $message := "" -}}
{{- if (coll.Has $submenu "message") -}}
{{- $message = $submenu.message -}}
{{- else -}}
{{- $message = printf "a %s Template" $submenu.entry -}}
{{- end -}}
echo -e "\nCONFIRM: Build {{ $message }} for VMware vSphere?"
echo -e "\nContinue? (y/n)"
read -r REPLY
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
exit 1
fi
### Build {{ $message }} for VMware vSphere. ###
echo "Building {{ $message }} for VMware vSphere..."
### Initialize HashiCorp Packer and required plugins. ###
echo "Initializing HashiCorp Packer and required plugins..."
packer init "$INPUT_PATH"
### Start the Build. ###
echo "Starting the build...."
echo "packer build -force -on-error=ask $debug_option"
packer build -force -on-error=ask $debug_option \
{{- if (coll.Has $submenu.build "only") }}
--only {{ join $submenu.build.only "," }} \
{{- end -}}
{{- if (coll.Has $menu.build "var_files") -}}
{{ range $menu.build.var_files }}
-var-file="$CONFIG_PATH/{{ . }}" \
{{- end -}}
{{- end -}}
{{- if (coll.Has $submenu.build "var_files") -}}
{{ range $submenu.build.var_files }}
-var-file="$CONFIG_PATH/{{ . }}" \
{{- end -}}
{{- end }}
-var-file="$CONFIG_PATH/$BUILD_VARS" \
"$INPUT_PATH"
### Build Complete. ###
echo "Build Complete."
}
{{ end }}
{{ end -}}
press_enter() {
cd "$SCRIPT_PATH"
echo -n "Press Enter to continue."
read -r
clear
}
info() {
echo "Copyright 2023-2024 Broadcom. All Rights Reserved."
echo "License: BSD-2"
echo ""
echo "GitHub Repository: github.com/vmware-samples/packer-examples-for-vsphere/"
read -r
}
incorrect_selection() {
echo "Invalid selection, please try again."
}
until [ "$selection" = "0" ]; do
clear
echo ""
echo -e "$menu_message"
echo ""
{{- $menu_index := 0 }}
{{- range $menu := (ds "build").menu }}
echo " {{ $menu.entry }}:"
echo ""
{{- range $submenu := $menu.submenu -}}
{{ $menu_index = math.Add $menu_index 1 }}
{{- if (lt $menu_index 10) }}
echo " {{ $menu_index }} - {{ $submenu.entry }}"
{{- else }}
echo " {{ $menu_index }} - {{ $submenu.entry }}"
{{- end }}
{{- end }}
echo ""
{{- end }}
echo " Other:"
echo ""
echo " I - Information"
echo " Q - Quit"
echo ""
read -r selection
echo ""
case $selection in
{{- $selection_index := 0 }}
{{- range $menu := (ds "build").menu }}
{{- range $submenu := $menu.submenu -}}
{{ $selection_index = math.Add $selection_index 1 }}
{{ $selection_index }} ) clear ; menu_option_{{ $selection_index }} ; press_enter ;;
{{- end }}
{{- end }}
i|I ) clear ; info ; press_enter ;;
q|Q ) clear ; exit ;;
* ) clear ; incorrect_selection ; press_enter ;;
esac
done