s3bro 1.8

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# s3bro! A handy s3 cli tool

Overview

It’s your s3 friend (bro). You’ll often find yourself having to run complex CLI/AWS commands in order to execute tasks against S3. Let’s say you need to restore all your keys from S3 Glacier storage class, if you’ve attempted this task, you’ve probably come to the realization, that the AWS CLI does not allow for an easy manner to execute this in “batch”.

Subsequently, you would need to make use of a combination of AWS CLI commands and pipe it to additional commands in order to obtain your desired result. In addition to this complexity, it would restore key by key, very slowly.

S3bro, however, offers you a solution to the above problem and others common situations where you have to run complex s3 commands, by utilizing multiprocessing/threading. This means that you can expedite tasks a lot faster than using the normal method. Oh, did I mention… in a much more elegant way. This is a python cli that will abstract a big portion of the work for you.

Why would you run the two following commands to wipe your bucket:

>>>
aws s3api list-object-versions --bucket rsavordelli --output json --query
    'Versions\[\].\[Key, VersionId\]' | jq -r '.\[\] | "--key '\\''" + .\[0\] + "'\\''
         --version-id " + .\[1\]' |  xargs -L1 aws s3api delete-object --bucket rsavordelli
aws s3api list-object-versions --bucket rsavordelli --output json --query
     'DeleteMarkers\[\].\[Key, VersionId\]' | jq -r '.\[\] | "--key '\\''" + .\[0\] + "'\\''
         --version-id " + .\[1\]' |  xargs -L1 aws s3api delete-object --bucket rsavordelli

if you can run this?

>>>
s3bro purge --bucket rsavordelli

what if you need to restore all your keys from glacier storage class? Or just some of them?

>>>
➜  ~ s3bro restore --bucket jusbroo-glacier --prefix glacier --days 10 --type Expedited --exclude .html --workers 10
Initiating Expedited restore for jusbroo-glacier/glacier...
Restoring keys for 10 days
==============================
All versions: False
==============================
Restoration completed: glacier/River Flows In You - A Love Note (CM Remix).mp3 until "Sat, 03 Mar 2018 00:00:00 GMT"
Submitting restoration request: glacier/asd.js
Restoration completed: glacier/Yiruma - River Flows In You (English Version).mp3 until "Sat, 03 Mar 2018 00:00:00 GMT"
Restoration completed: glacier/River Flows In You- Lindsey Stirling.mp3 until "Sat, 03 Mar 2018 00:00:00 GMT"
Restoration completed: glacier/River Flows In You - A Love Note (Ryan Wong Remix).mp3 until "Sat, 03 Mar 2018 00:00:00 GMT"
Restoration completed: glacier/ until "Sat, 03 Mar 2018 00:00:00 GMT"
Restoration completed: glacier/Endless Love {Piano Version} | Beautiful Piano.mp3 until "Sat, 03 Mar 2018 00:00:00 GMT"
Total keys proccessed: 7 in 5.44s

Installation

pip install s3bro -U

From source

git clone https://github.com/rsavordelli/s3bro ; cd s3bro

pip install -e .

Available Commands

• restore

• purge

• scan-bucket

• scan-objects

• tail

Examples

# s3bro restore --help
# s3bro restore --bucket bucketName --prefix myglacierPrefix --days 20 --type Bulk
# s3bro restore --bucket bucketName --prefix myglacierPrefix --days 20 --type Standard --include .css --versions
# s3bro purge --bucket bucketName
# s3bro scan-objects --bucket bucketName
# s3bro scan-bucket --all
# s3bro tail --bucket bucketName --timeout 1

Commands

restore

Restore S3 keys in Glacier Storage class

Options

>>>
Usage: s3bro restore [OPTIONS] [RESTORE]...
Options:
  -b, --bucket TEXT               bucket name  [required]
  -p, --prefix TEXT               prefix
  -d, --days INTEGER              Days to keep the restore  [required]
  -t, --type [Standard|Expedited|Bulk]
                                  restore type (Tier)  [required]
  -v, --versions / --no-versions  [--no-versions is DEFAULT] - this option
                                  will make the restore to include all
                                  versions excluding delete markers
  -urd, --update-restore-date / --do-not-update-restore-date
                                  If passed, it will change the restore date
                                  for already restored key
  -in, --include TEXT             Only restore keys that matches with a given
                                  string, you can add multiples times by
                                  passing --include multiple times
  -ex, --exclude TEXT             Do not restore if the key name matches with a
                                  given pattern, you can add multiple patterns
                                  by inputting
  --workers INTEGER               How many helpers to include in task, default
                                  is 10
  --log-level [INFO|ERROR|DEBUG|WARNING]
                                  logging type
  --help                          Show this message and exit.

Details

the option –log-level can be useful to debug errors/behaviors.

>>>
DEBUG - similar to boto3 debug level with additional information
WARNING - will print some threading information and Keys excluded during the iteration (exclude, include, storage-class, delete-marker, etc)

• the option –workers allows you to specify how many workers will consume the list. Calculate max 5 workers per core

• the option –update-restore-date can be used to “extend” a key that is already restored. It will send a new “expiry” date to the object

purge

Delete all keys in the bucket - as simple as that. It will delete versions, delete markers. Everything

Options

>>>
Usage: s3bro purge [OPTIONS] [PURGE]...
Options:
  -b, --bucket TEXT               Bucket name  [required]
  -p, --prefix TEXT               prefix name - optional
  --yes                           first confirmation
  --yes-really                    second confirmation
  --log-level [INFO|ERROR|DEBUG|WARNING]
                                  logging type
  --help                          Show this message and exit.

Details

• it does not delete the bucket. It only deletes the keys

scan-bucket

scan bucket ACLs

Options

>>>
Usage: s3bro scan-bucket [OPTIONS] [SCAN_BUCKET]...
  scan bucket ACLs
Options:
  -b, --bucket TEXT               Bucket name
  -A, --all                       Scan permissions for all your buckets (don't
                                  combine -b with -A)
  --log-level [INFO|ERROR|DEBUG|WARNING]
                                  logging type
  --help                          Show this message and exit.

scan-objects

scan object ACLs

Options

>>>
Usage: s3bro scan-objects [OPTIONS] [SCAN_OBJECTS]...
  scan object ACLs
Options:
  -b, --bucket TEXT               Bucket name  [required]
  -p, --prefix TEXT               prefix name - optional
  --workers INTEGER               How many helpers to include in task, default
                                  is 10
  --log-level [INFO|ERROR|DEBUG|WARNING]
                                  logging type
  --help                          Show this message and exit.

Details

• scan-objects only scan current versions of your objects

tail

s3 logs in “real-time” through S3 Events (for puts and deletes only)

Options

>>>
Usage: s3bro tail [OPTIONS] [TAIL]...
  tail is an S3 real-time logging tool. It makes use of S3 events (for puts and deletes only)
Options:
  -b, --bucket TEXT      Bucket name  [required]
  -t, --timeout INTEGER  How much time (in minutes) to run, it will destroy
                         the resources created after this time  [required]
  --help                 Show this message and exit.

Details

Basically what it does is:

1. Create an SQS

2. Create an S3 Event notification

3. Connect to the queue and keep retrieving the messages until the timeout time is reached.

4. Delete the resources created

>>> --timeout is in minutes
>>> it only works for PUTs and Deletes (s3 events does not support GET requests)