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توضیحات

Cassandra S3 Backup, View and Restore

ویژگی	مقدار
سیستم عامل	-
نام فایل	cassandras3-0.1.6
نام	cassandras3
نسخه کتابخانه	0.1.6
نگهدارنده	[]
ایمیل نگهدارنده	[]
نویسنده	Chase Sillevis
ایمیل نویسنده	chase@sillevis.net
آدرس صفحه اصلی	https://github.com/deviavir/cassandras3
آدرس اینترنتی	https://pypi.org/project/cassandras3/
مجوز	MIT

![Build Status](https://travis-ci.org/DeviaVir/cassandras3.svg) # cassandras3 A simple tool to help you backup and restore your cassandra data to and from S3. ## Setup ### AWS This utility assumes you have correctly set up a (local) credentials file (via e.g. `aws configure`), it is also possible to pass credentials using the CLI environment variables: ``` AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY ``` The recommended way is to give nodes that run the backups permissions to the bucket via their instance profiles to execute PUT commands. When restoring a backup, we can use a separate user which will have GET permissions. ## Python (pip) ### Installation On Debian-based systems, make sure you have installed the `python-pip` package. ``` pip install cassandras3 ``` Or install manually: ``` git clone git@github.com:DeviaVir/cassandras3.git cd cassandras3 python setup.py install ``` ### Usage Make sure `cassandra` is running, `nodetool` requires it. #### Backup ``` cassandras3 backup --keyspace test --bucket test [--region us-east-1] ``` Note: `[--region us-east-1]` is optional, it is to cache the AWS client API's per region. #### View ``` cassandras3 view --keyspace test --hostname test --bucket test [--region us-east-1] ``` This will return a list of all available backups to restore from. Note: `[--region us-east-1]` is optional, it is to cache the AWS client API's per region. Note: you do not need to specify the hostname, it is useful if you want to list backups from a different machine. #### Restore ``` cassandras3 restore --backup backup-timestamp --hostname test --keyspace test --bucket test [--region us-east-1] ``` Note: `backup-timestamp` can be retrieved via `cassandras3 view`. Note: `[--region us-east-1]` is optional, it is to cache the AWS client API's per region. Note: this command assumes the data directories are currently empty, if this restore is executed over a currently running cluster it can behave unexpectedly. Note: you do not need to specify the hostname, it is useful if you want to list backups from a different machine. ## Docker You can use docker in case you are already currently using docker to deploy your cassandra nodes. This allows for easy linking. ### Installation Simply run: ``` docker-compose build ``` And optionally push this to a public or private repository, from which every node that will be running this can pull the image from. (`docker pull [your-private-repository]/cassandras3:latest`) ### Usage #### Backup ``` docker run -it \ -v $HOME/.aws:/home/.aws \ -v /var/lib/cassandra/data:/var/lib/cassandra/data \ --link cassandra_node:cassandra \ cassandras3_app:latest backup --host cassandra --keyspace test --bucket test [--region us-east-1] ``` Note: the first mount (`-v`) expects AWS to be configured correctly on the host machine. The mount is not necessary when using instance profiles. Note: `[--region us-east-1]` is optional, it is to cache the AWS client API's per region. #### List ``` docker run -it \ -v $HOME/.aws:/home/.aws \ cassandras3_app:latest view --keyspace test --hostname test --bucket test [--region us-east-1] ``` Note: the first mount (`-v`) expects AWS to be configured correctly on the host machine. The mount is not necessary when using instance profiles. Note: you do not need to specify the hostname, it is useful if you want to list backups from a different machine. Note: `[--region us-east-1]` is optional, it is to cache the AWS client API's per region. #### Restore ``` docker run -it \ -v $HOME/.aws:/home/.aws \ -v /var/lib/cassandra/data:/var/lib/cassandra/data \ --link cassandra_node:cassandra \ cassandras3_app:latest restore --host cassandra --hostname test --keyspace test --bucket test [--region us-east-1] ``` Note: you do not need to specify the hostname, it is useful if you want to restore a backup from a different machine. Note: the first mount (`-v`) expects AWS to be configured correctly on the host machine. The mount is not necessary when using instance profiles. Note: this command assumes the data directories are currently empty, if this restore is executed over a currently running cluster it can behave unexpectedly. Note: `[--region us-east-1]` is optional, it is to cache the AWS client API's per region. ## Development To easily develop locally without the need for docker: ``` cd ~/into/the/project/directory make clean build/venv source build/venv/bin/activate cd src python -m cassandras3.main ``` ### Deploy new pip versions Requires a correctly set up `~/.pypirc`. Testing: ``` python setup.py sdist upload -r pypitest ``` Live: ``` python setup.py sdist upload -r pypi ```

نحوه نصب

نصب پکیج whl cassandras3-0.1.6:

pip install cassandras3-0.1.6.whl

نصب پکیج tar.gz cassandras3-0.1.6:

pip install cassandras3-0.1.6.tar.gz