bigchaindb/deploy-cluster-aws/get_instance_status.py

100 lines
2.8 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import json
import os
import boto.ec2
import time
import argparse
AWS_ACCESS_KEY_ID = os.environ["AWS_ACCESS_KEY_ID"]
AWS_SECRET_ACCESS_KEY = os.environ["AWS_SECRET_ACCESS_KEY"]
parser = argparse.ArgumentParser()
parser.add_argument("--tag", help="tag instances in aws")
args = parser.parse_args()
if args.tag:
tag = args.tag
else:
# reading credentials from config for remote connection
print('usage: python3 get_instance_status.py --tag <tag>')
print('reason: tag missing!!!')
exit(1)
conn = boto.ec2.connect_to_region("eu-central-1",
aws_access_key_id=AWS_ACCESS_KEY_ID,
aws_secret_access_key=AWS_SECRET_ACCESS_KEY)
PASSING = []
RUNNING = []
# get list of instance ids from amazon
def list_of_ids(tag):
# TODO: CHANGE TO PROPER DOCSTRING
# Returns a list of ids of all instances with the given tag
reservations = conn.get_all_instances(filters={"tag:Name": tag})
# There are several reservations
# and each reservation can have several instances
id_list = []
for reservation in reservations:
for instance in reservation.instances:
if instance.id is not None:
id_list.append(instance.id)
return id_list
# Andreas' old code:
"""
INSTANCE_IDS = []
def prepare_list(tag):
reservations = conn.get_all_instances(filters={"tag:Name" : tag})
instances = [i for r in reservations for i in r.instances]
for i in instances:
inst = i.__dict__
inst_id = inst.get('id')
INSTANCE_IDS.append(inst_id)
return INSTANCE_IDS
"""
# get statuses from amazon
def create_run_pass_list(tag):
# instlist_old = prepare_list(tag)
# print("instlist_old = {}".format(instlist_old))
instlist_new = list_of_ids(tag)
print("instlist_new = {}".format(instlist_new))
instlist = instlist_new
for entry in range(0, len(instlist)): # 0, 1, ..., [len(instlist) - 1]
instances = conn.get_only_instances(instance_ids=instlist[entry])
status = conn.get_all_instance_status(instance_ids=instlist[entry])
for instance in instances:
reachability = status[0].system_status.details["reachability"]
PASSING.append(reachability)
return instlist, PASSING, RUNNING
if __name__ == "__main__":
# get lists from amazon
try:
instlist, passlist, runlist = create_run_pass_list(tag)
print("instlist = {}".format(instlist))
print("passlist = {}".format(passlist))
print("runlist = {}".format(runlist))
except IndexError:
print("Searching for matching cluster-tag...")
exit(1)
for entry in range(0,len(instlist)):
if "passed" in passlist and len(set(passlist)) == 1:
print("up and running")
exit(0)
# exit with error code for continous check if nothing found
exit(1)