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serve.py
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#!/usr/bin/env python3
from bottle import route, run, template, request, default_app, HTTPError
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
import subprocess
import requests
import json
import os
import smtplib
from operator import itemgetter
from cheapskate import Instance
ALLOWED_IPS = ["127.0.0.1"]
DEBUG = False
if not os.path.exists("ec2prices_raw.json"):
priceurl = "https://pricing.us-east-1.amazonaws.com"
offers = requests.get(priceurl + "/offers/v1.0/aws/index.json").content.decode("utf-8")
ec2priceurl = priceurl + json.loads(offers)["offers"]["AmazonEC2"]["currentVersionUrl"]
ec2pricedata = requests.get(ec2priceurl).content.decode("utf-8")
with open("ec2prices_raw.json", "w") as raw:
raw.write(ec2pricedata)
if not os.path.exists("ec2prices.json"):
ec2pricedata = json.load(open("ec2prices_raw.json"))
with open("ec2prices.json", "w") as ec2:
region_prices = []
for key, product in ec2pricedata['products'].items():
if not product.get("productFamily") == "Compute Instance": continue
if not product["attributes"]["location"] == "Asia Pacific (Sydney)": continue
if not product["attributes"]["tenancy"] == "Shared": continue
if not product["attributes"]["preInstalledSw"] == "NA": continue
if product["attributes"]["licenseModel"] == "Bring your own license": continue
region_prices.append(product)
output = {}
for product in region_prices:
product["attributes"]["terms"] = ec2pricedata["terms"]["OnDemand"][product["sku"]]
product_key = product["attributes"]["instanceType"] + "." + product["attributes"]["operatingSystem"]
if product_key in output:
raise Exception("Duplicate product key {}".format(product_key))
output[product_key] = product["attributes"]
ec2.write(json.dumps(output))
def check_cli_ip(route=""):
if DEBUG:
return
client_ip = request.environ.get('REMOTE_ADDR')
if client_ip not in ALLOWED_IPS:
raise HTTPError(404, "Not found: '{}'".format(route))
@route('/')
def home():
return """
<html><body>
<p>GET <a href="/api/ec2_instance">/api/ec2_instance</a> - EC2 instances as json</p>
<p>GET /api/ec2_instance/<instance_id> - Single EC2 instance as json</p>
<p>POST /api/ec2_instance/<instance_id> - Update Single EC2 instance json</p>
</body></html>
"""
@route('/api/ec2_instance')
def ec2_instances():
return {"objects": Instance.objects_list()}
@route('/api/ec2_instance/<instance_id>')
def ec2_instance(instance_id):
return Instance.objects()[instance_id].__dict__()
@route('/api/ec2_instance/<instance_id>', method='POST')
def ec2_instance_update(instance_id):
instance = Instance.objects()[instance_id]
hours = request.forms.get("hours")
user = request.headers.get("Remote-User")
instance.update(user=user, hours=int(hours))
return json.dumps(instance.__dict__())
@route('/api/cli/shutdown_check')
def cli_shutdown_check():
check_cli_ip("/api/cli/shutdown_check")
with open("shutdown_due.json","w") as shut:
output = []
for instanceid, instance in Instance.shutdown_due(hours=3).items():
inst = instance.__dict__()
inst.pop("product", None)
output.append(inst)
shut.write(json.dumps(output, sort_keys=True, indent=4, separators=(',',': ')))
return "Shutdown file contains {} servers".format(len(output))
@route('/api/cli/email_report')
def cli_email_report():
check_cli_ip("/api/cli/email_report")
FROM = "[email protected]"
TO = "[email protected]"
msg = MIMEMultipart('mixed')
msg['Subject'] = "Cheapskate shutdown report"
msg['From'] = FROM
msg['To'] = TO
body = "Instances to be turned off in the next 3 hours:\n"
body = body + "\nInstance ID\tShutdown Group\tShutdown time\t\tRequested time\t\tInstance Name\n"
instances = json.load(open("shutdown_due.json"))
if len(instances) == 0:
return "No shutdowns due"
instances = sorted(instances, key=itemgetter('off'))
for instance in instances:
body = body + "{}\t{}\t\t{}\t{}\t{}\n".format(instance["id"], Instance.GROUPS[instance["grp"]], instance["off"], instance["req"], instance["name"])
msg.attach(MIMEText(body))
s = smtplib.SMTP('alerts.corporateict.domain')
s.sendmail(FROM, TO, msg.as_string())
s.quit()
return "Email sent"
@route('/api/cli/shutdown')
def cli_shutdown():
check_cli_ip("/api/cli/shutdown")
result = {}
instances = json.load(open("shutdown_due.json"))
if len(instances) == 0:
return "No shutdowns required"
for instance in instances:
result[instance["id"]] = Instance.objects()[instance["id"]].shutdown()
return result
@route('/api/cli/start_business_hours')
def cli_start_business_hours():
check_cli_ip("/api/cli/shutdown")
result = Instance.start_business_hours()
if result:
return result
else:
return "No instances meet criteria"
@route('/api/cli/reset')
def cli_reset():
check_cli_ip("/api/cli/reset")
return None
for instanceid, instance in Instance.objects().items():
instance.cheapskate["grp"] = "1"
Instance.save_all()
return "Instances reset"
application = default_app()