droplet-fence-agent/main.go

package main

import (
"bytes"
"log"
"net/http"
"io/ioutil"
"strings"
"encoding/json"
/*
"fmt"
*/
)

func main() {
	// Create a slice to insert the ID of the current droplet
	url_slice		:=  []string{"https://api.digitalocean.com/v2/droplets/", get_droplet_id("foo"), "/actions"}
	// Construct the string from the slice
	droplet_actions_url	:= strings.Join(url_slice, "")
	// Create the json object to be posted
	post_body, _		:= json.Marshal(map[string]string{"type": "power_off"})
	// Open a buffer for the post response body
	response_body		:= bytes.NewBuffer(post_body)
	// instantiate the POST object
	http_response, err	:= http.Post(droplet_actions_url, "application/json", response_body)
	if err != nil {
		log.Fatalf("Respones Error: %v", err)
	}
	// Pause thread until response is read and http connection closes (I think?)
	defer http_response.Body.Close()
	body, err		:= ioutil.ReadAll(response_body)
	if err != nil {
		log.Fatalln(err)
	}
	// Turn the http response object into a string
	response_body_string	:= string(body)
	log.Printf(response_body_string)
}

func get_droplet_id(hostname string) string {
/*
	Eventually, the goal is to use droplet tags to group the cluster,
	use the droplet tags api to list all droplets, differentially
	identify 'other' nodes with knowledge of our current droplet properties,
	and finally return the droplet_id that corresponds to the supplied hostname
*/

//	var droplet_id string	=  "253365345"
	var droplet_id string	=  "253365347"
	return droplet_id
}