The program is divided in three file UI.py, doaws.py and worker.py.
UI.py in charge of parsing arguments and set up logger.
doaws.py do all the ec2 related work, including connect to region, run instance, create volume and attach it.
worker.py as the name suggests, handle with rsync and dd operation.
According to the specification, we assume user has set the environment like this:
EC2_BACKUP_FLAGS_AWS="--key-name key_name --security-groups ports"
EC2_BACKUP_VERBOSE=true
AWS_CONFIG_FILE=/path/to/ec2.conf
EC2_BACKUP_FLAGS_SSH="-i ~/path/to/key_name.pem"
And here are some examples:
hshen4@rainman:~/tmp/ec2-backup$ python doaws.py -m dd -v vol-1f81a669 ~/Web
The authenticity of host '54.85.124.145 (54.85.124.145)' can't be established.
RSA key fingerprint is c5:e7:cc:0c:33:74:ef:bf:9c:55:6b:22:a7:4e:d9:a9.
Are you sure you want to continue connecting (yes/no)? yes
vol-1f81a669
And this is another verbose version:
hshen4@rainman:~/tmp/ec2-backup$ python doaws.py -m rsync ~/unpv13e
parsing aws config ...
parsing config ...
parsing ssh config ...
start attaching...
Connect to region: EC2Connection:ec2.us-east-1.amazonaws.com
wating for running, current status: pending
wating for running, current status: pending
Running instance i-bd693eec: key wil_kp, group ports.
Create volume: vol-cdb89fbb
wating for available, current status: creating
attach volume vol-cdb89fbb
Attached volume vol-cdb89fbb to /dev/sdz
The authenticity of host '54.85.206.192 (54.85.206.192)' can't be established.
RSA key fingerprint is 1b:04:f3:db:0f:30:a9:83:42:e0:9a:00:26:06:da:34.
Are you sure you want to continue connecting (yes/no)? yes
mke2fs 1.42.8 (20-Jun-2013)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
131072 inodes, 524288 blocks
26214 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=536870912
16 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912
Allocating group tables: done
Writing inode tables: done
Creating journal (16384 blocks): done
Writing superblocks and filesystem accounting information: done
vol-cdb89fbb
instance terminated