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The Extensions Framework in Apache CloudStack is designed to provide a flexible and standardised mechanism for integrating external systems and custom workflows into CloudStack’s orchestration process. By defining structured hook points during key operations—such as virtual machine deployment, resource preparation, and lifecycle events—the framework allows administrators and developers to extend CloudStack’s behaviour without modifying its core codebase.
148 lines
3.4 KiB
Bash
Executable File
148 lines
3.4 KiB
Bash
Executable File
#!/bin/bash
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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parse_json() {
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local json_string=$1
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echo "$json_string" | jq '.' > /dev/null || { echo '{"error":"Invalid JSON input"}'; exit 1; }
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}
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generate_random_mac() {
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hexchars="0123456789ABCDEF"
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echo "52:54:00:$(for i in {1..3}; do echo -n ${hexchars:$(( RANDOM % 16 )):1}${hexchars:$(( RANDOM % 16 )):1}; [[ $i -lt 3 ]] && echo -n ':'; done)"
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}
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prepare() {
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parse_json "$1" || exit 1
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local input_json="$1"
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local nics_json
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nics_json=$(echo "$input_json" | jq '.["cloudstack.vm.details"].nics')
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# If NICs array is empty, return empty string
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if [ "$(echo "$nics_json" | jq 'length // 0')" -eq 0 ]; then
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echo ""
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return
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fi
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local result='{"nics":['
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local first=1
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while IFS= read -r uuid; do
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local mac
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mac=$(generate_random_mac)
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if [ $first -eq 1 ]; then
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first=0
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else
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result+=','
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fi
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result+='{"uuid":"'"$uuid"'","mac":"'"$mac"'"}'
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done < <(echo "$nics_json" | jq -r '.[].uuid')
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result+=']}'
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echo "$result"
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}
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create() {
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parse_json "$1" || exit 1
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local response
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response=$(jq -n \
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'{status: "success", message: "Instance created"}')
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echo "$response"
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}
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delete() {
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parse_json "$1" || exit 1
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local response
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response=$(jq -n \
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'{status: "success", message: "Instance deleted"}')
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echo "$response"
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}
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start() {
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parse_json "$1" || exit 1
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echo '{"status": "success", "message": "Instance started"}'
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}
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stop() {
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parse_json "$1" || exit 1
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echo '{"status": "success", "message": "Instance stopped"}'
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}
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reboot() {
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parse_json "$1" || exit 1
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echo '{"status": "success", "message": "Instance rebooted"}'
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}
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status() {
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parse_json "$1" || exit 1
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echo '{"status": "success", "power_state": "running"}'
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}
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action=$1
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parameters_file="$2"
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wait_time="$3"
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if [[ -z "$action" || -z "$parameters_file" ]]; then
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echo '{"error":"Missing required arguments"}'
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exit 1
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fi
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if [[ ! -r "$parameters_file" ]]; then
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echo '{"error":"File not found or unreadable"}'
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exit 1
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fi
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# Read file content as parameters (assumes space-separated arguments)
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parameters=$(<"$parameters_file")
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case $action in
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prepare)
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prepare "$parameters"
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;;
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create)
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create "$parameters"
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;;
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delete)
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delete "$parameters"
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;;
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start)
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start "$parameters"
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;;
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stop)
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stop "$parameters"
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;;
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reboot)
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reboot "$parameters"
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;;
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status)
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status "$parameters"
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;;
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*)
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echo '{"error":"Invalid action"}'
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exit 1
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;;
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esac
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exit 0
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