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Added support for multiple distros. Print some useful commands at the end of script execution. #1

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Added support for multiple distros. Print some useful commands at the end of script execution. #1

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50 changes: 46 additions & 4 deletions aws_multi_az/build_topology.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,19 @@
import ipaddress, os, sys
from collections import defaultdict

import argparse

import boto3
import yaml
import json

parser = argparse.ArgumentParser(description='Build topology.yaml file')

parser.add_argument('-o', '--operating-system', type=str,
help='The operating system type, of: [ ubuntu , centos ]',
default='ubuntu')

args = parser.parse_args()

if os.getenv('CLUSTER_NAME'):
cluster_name = os.getenv('CLUSTER_NAME')
Expand Down Expand Up @@ -45,13 +56,16 @@
def host(instance, **kwargs):
return {'host':instance['PrivateIpAddress'], **kwargs}

management_node=''
management_node={}
for k in sorted(instance_details.keys()):
for i, instance in enumerate(sorted(instance_details[k], key=lambda x: ipaddress.ip_address(x['PrivateIpAddress']))):
# First node will be our "management node", where TiUP and monitoring will be installed
if management_node == '':
if not management_node:
for section in ['monitoring_servers', 'grafana_servers', 'alertmanager_servers']:
management_node = instance['PublicIpAddress']
management_node = {
'public_ip': instance['PublicIpAddress']
, 'ec2_id': instance['InstanceId']
}
template[section].append(host(instance))
# After management node is defined, the "first" node in each AZ will be a tidb/pd node
elif i==0:
Expand All @@ -61,6 +75,34 @@ def host(instance, **kwargs):
else:
template['tikv_servers'].append(host(instance, config={'server.labels': {'zone': instance['Placement']['AvailabilityZone']}}))

username = ''
if args.operating_system == 'ubuntu':
username = 'ubuntu'
elif args.operating_system == 'centos':
username = 'ec2-user'
else:
username = args.operating_system
print('Unsupported OS: {0} - please check global settings: [ user , deploy_dir , data_dir ]'.format(args.operating_system))

template['global']['user'] = username
template['global']['deploy_dir'] = '/home/{0}/tidb-deploy'.format(username)
template['global']['data_dir'] = '/home/{0}/tidb-data'.format(username)

print(yaml.dump(template))

print('scp topology.yaml {0}@{1}:~'.format(username, management_node['public_ip']), file=sys.stderr)
print("\n")

print('echo \'curl --proto =https --tlsv1.2 -sSf https://tiup-mirrors.pingcap.com/install.sh | sh\' |', file=sys.stderr)
print('ssh -o StrictHostKeyChecking=accept-new {}@{}'.format('ubuntu', management_node), file=sys.stderr)
print('ssh -o StrictHostKeyChecking=accept-new {}@{}'.format(username, management_node['public_ip']), file=sys.stderr)
print("\n")

print('rsync -av ~/.ssh {0}@{1}:~'.format(username, management_node['public_ip']), file=sys.stderr)
print('rsync -av ~/.aws {0}@{1}:~'.format(username, management_node['public_ip']), file=sys.stderr)
print("\n")

print('echo \'wget https://download.pingcap.org/tidb-toolkit-v5.2.1-linux-amd64.tar.gz\' |', file=sys.stderr)
print('ssh -o StrictHostKeyChecking=accept-new {}@{}'.format(username, management_node['public_ip']), file=sys.stderr)
print("\n")

print('Management node ec2 instance id: [{0}]'.format(management_node['ec2_id']), file=sys.stderr)