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From Michael Butterfield <michael.butterfi...@caringo.com>
Subject Re: Re: S3 API in CloudStack 3.0.x
Date Thu, 07 Jun 2012 22:29:01 GMT
I have successfully executed the requests to create a bucket and create 
an on RHEL 6.2 using boto. Here are few a minor tweaks that I noted 
during the process:

(1) In the CloudScape home, there is a minor typo in that INSTALL.txt. I 
think 'sh-keygen -t rsa -q' should be 'ssh-keygen -t rsa -q'
(2) Another trivial tweak I required for RHEL in the 
'cloudstack-aws-api-register' script I changed 
#!/cygdrive/c/python26/python to match my python path of #!/usr/bin/python
(3) I needed to set 'enable.ec2.api' to true before running the boto 
commands

Mike Butterfield

On 5/31/2012 1:08 PM, Chiradeep Vittal wrote:
> [Sorry for cross posting, but potentially both users and developers may be
> interested]
>
> The s3-hdfs branch in git.cloud.com [1] replaces the filesystem backend
> with a HDFS backend.
> Since we're still discussing where development happens, I haven't moved it
> to anywhere official.
> For those looking to integrate other storage backends, it might provide a
> useful guide.
>
> The steps to get this working are the same, except that the storage.root
> in step 4 below is as follows:
>
> storage.root=hdfs://<hdfs namenode>:9000/s3
>
> On the HDFS side, I used Hadoop 0.23.1 (although I think it should work
> with Hadoop 1.0).
> I found that I had to set the following configuration in hdfs-site.xml
> <property>
>    <name>dfs.permissions</name>
>    <value>false</value>
>   </property>
>
>
>
>
> [1]http://git.cloud.com/cgit/cloudstack-oss/log/?h=s3-hdfs
>
> On 5/30/12 2:59 PM, "Chiradeep Vittal"<Chiradeep.Vittal@citrix.com>  wrote:
>
>> >The S3 API formerly in the "Cloud Bridge" source has been moved to
>> >CloudStack.
>> >Several bugs have been fixed and more features have been supported.
>> >The complete list of supported APIs can be found here:
>> >S3 API Page:
>> >http://wiki.cloudstack.org/display/RelOps/S3+API+in+CloudStack
>> >
>> >There has not been any formal QA applied to this feature, but I hope we
>> >can move it to a more polished state.
>> >For that, I hope the community can contribute some testing and bug fixing
>> >resources. Instructions on using this at the end of this post.
>> >
>> >The code has been tested using boto (https://github.com/boto/boto), but I
>> >suspect that there are other clients (AWS SDK, s3cmd,etc) that are also
>> >popular. The error responses for S3 are not well documented, so some of
>> >these clients might barf unexpectedly.
>> >
>> >
>> >*****Usage**********
>> >1. Get CloudStack running on the latest 3.0.x series
>> >
>> >2. Enable the S3 API by setting the flag enable.s3.api to 'true' in the
>> >configuration table. You can do this through the UI or directly in MySQL:
>> >update configuration set value='true' where name='enable.s3.api';
>> >
>> >3. Choose a local filesystem path where the objects will be stored. You
>> >can mount an NFS store or use the local filesystem. E.g,:
>> >mkdir -p /mnt/s3
>> >Ensure that the 'cloud' user can write to this directory
>> >
>> >4. Edit the file $TOMCAT_HOME/conf/cloud-bridge.properties:
>> >
>> >host=http://localhost:8080/awsapi
>> >storage.multipartDir=__multipart__uploads__
>> >bucket.dns=false
>> >storage.root=<mount point or filesystem path>
>> >serviceEndpoint=localhost:8080
>> >
>> >
>> >5. Restart CloudStack
>> >
>> >6. Obtain API and secret keys for a user (available in the Admin ui under
>> >Accounts ->  Users)
>> >CloudStack Api key = this is the same as the AWS access key id
>> >CloudStack Secret key = this is the same as the AWS secret access key
>> >Generate a private key and a self-signed X.509 certificate. Substitute
>> >your own desired storage location for/path/to/S( below.
>> >$ openssl req -x509 -nodes -days 365 -newkey rsa:2048<http://rsa:2048/>
>> >-keyout /path/to/private_key.pem -out /path/to/cert.pem
>> >
>> >Register the mapping from the X.509 certificate to your accounts API keys
>> >with CloudStack.
>> >$ cloudstack-aws-api-register --apikey=<User¹s Cloudstack API key>
>> >--secretkey=<User¹s CloudStack Secret key>  --cert=</path/to/cert.pem>
>> >--url=http://<cloud-stack-server>:8080/awsapi/rest/AmazonS3
>> >
>> >
>> >The cloudstack-aws-api-register command is available in /usr/bin in the
>> >machine where CloudStack is installed
>> >
>> >7. Configure the boto S3Connection object as follows:
>> >calling_format= OrdinaryCallingFormat()
>> >connection = S3Connection(aws_access_key_id=<your api key>,
>> >                             aws_secret_access_key=<your secret key>
>> >                             is_secure=False,
>> >                             host='<cloudstack-server>',
>> >                             port=8080,
>> >calling_format=calling_format,
>> >                             path="/awsapi/rest/AmazonS3")
>> >
>> >
>> >


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