背景介绍:目前项目中使用了大量的AWS EC2 Instances作为服务器,在自动化运维方面,我们之前一直使用的是AWS CLI命令行工具,然后在Shell脚本中调用.
最近我想通过脚本实现一个“Clone”的功能,模拟Web Console上的“Launch More Like This”来创建Instance,但在Shell脚本中实现起来感觉不太舒服,于是就直接利用Python的boto库写了一个,在此分享给大家.
具体内容:
脚本地址:https://github.com/mcsrainbow/python-demos/blob/master/demos/awscli.py
相关示例:温馨提示:我的Blog页面默认没有采用宽屏模式,如果觉得下面的代码不太美观,可以点击右上角的“<>”切换到宽屏模式,代码如下:
$ ./awscli.py -h
usage: awscli.py [-h] (–create | –clone | –terminate) –region REGION
[–instance_name INSTANCE_NAME] [–image_id IMAGE_ID]
[–instance_type INSTANCE_TYPE] [–key_name KEY_NAME]
[–security_group_ids SECURITY_GROUP_IDS]
[–subnet_id SUBNET_ID]
[–src_instance_name SRC_INSTANCE_NAME]
[–dest_instance_name DEST_INSTANCE_NAME]
[–private_ip_address PRIVATE_IP_ADDRESS]
[–instance_id INSTANCE_ID] [–volume_size VOLUME_SIZE]
[–volume_type {standard,io1,gp2}]
[–volume_zone VOLUME_ZONE] [–volume_iops VOLUME_IOPS]
[–volume_delete_on_termination]
[–load_balancer_name LOAD_BALANCER_NAME]
[–quick]
examples:
./awscli.py –create –region us-west-1 –instance_name idc1-server2
–image_id ami-30f01234 –instance_type t1.micro
–key_name idc1-keypair1 –security_group_ids sg-eaf01234f
–subnet_id subnet-6d901234
./awscli.py –create –region us-west-1 –instance_name idc1-server3
–image_id ami-30f01234 –instance_type t1.micro
–key_name idc1-keypair1 –security_group_ids sg-eaf01234f
–subnet_id subnet-6d901234 –volume_size 10 –volume_type gp2
–volume_zone us-west-1a –volume_delete_on_termination
–load_balancer_name idc1-elb1 –private_ip_address 172.16.2.23
./awscli.py –clone –region us-west-1 –src_instance_name idc1-server1
–dest_instance_name idc1-server2
./awscli.py –clone –region us-west-1 –src_instance_name idc1-server1
–dest_instance_name idc1-server3 –private_ip_address 172.16.2.23
./awscli.py –terminate –region us-west-1 –instance_name idc1-server3
./awscli.py –terminate –region us-west-1 –instance_id i-01234abc
./awscli.py –terminate –region us-west-1 –instance_id i-01234abc –quick
…
optional arguments:
-h, –help show this help message and exit
–create create instance
–clone clone instance
–terminate terminate instance
–region REGION
–instance_name INSTANCE_NAME
–image_id IMAGE_ID
–instance_type INSTANCE_TYPE
–key_name KEY_NAME
–security_group_ids SECURITY_GROUP_IDS
–subnet_id SUBNET_ID
–src_instance_name SRC_INSTANCE_NAME
–dest_instance_name DEST_INSTANCE_NAME
–private_ip_address PRIVATE_IP_ADDRESS
–instance_id INSTANCE_ID
–volume_size VOLUME_SIZE
in GiB
–volume_type {standard,io1,gp2}
–volume_zone VOLUME_ZONE
–volume_iops VOLUME_IOPS
–volume_delete_on_termination
delete volumes on termination
–load_balancer_name LOAD_BALANCER_NAME
–quick no wait on termination
$ ./awscli.py –create –region us-west-1 –instance_name idc1-server1 –image_id ami-30f01234
–instance_type t1.micro –key_name idc1-keypair1 –security_group_ids sg-eaf01234f
–subnet_id subnet-6d901234 –volume_size 10 –volume_type gp2 –volume_zone us-west-1a
–volume_delete_on_termination –load_balancer_name idc1-elb1 –private_ip_address 172.16.2.21
1. Launching instance: idc1-server1
2. Creating tag as instance name: {"Name": idc1-server1}
Instance state: pending
Instance state: running
3. Creating secondary volume for instance: idc1-server1 as gp2 10G
Volume status: available
4. Attaching volume: vol-4ba6a54c to instance: idc1-server1 as device: /dev/sdf
5. Adding instance: idc1-server1 to ELB: idc1-elb1
$ ./awscli.py –clone –region us-west-1 –src_instance_name idc1-server1 –dest_instance_name idc1-server2
1. Launching instance: idc1-server2
2. Creating tag as instance name: {"Name": idc1-server2}
Instance state: pending
Instance state: running
3. Creating secondary volume for instance: idc1-server2 as gp2 10G
Volume status: available
4. Attaching volume: vol-5b61635c to instance: idc1-server2 as device: /dev/sdf
5. Adding instance: idc1-server2 to ELB: idc1-elb1
$ ./awscli.py –terminate –region us-west-1 –instance_name idc1-server2 //phpfensi.com
Terminating instance: idc1-server2 id: i-86976d62
Instance state: shutting-down
Instance state: shutting-down
Instance state: terminated。
