AWS Configurations¶
Using Amazon EFS¶
To use Amazon EFS, install some utilities and mount the EFS in setup_commands. Note that these instructions only work if you are using the AWS Autoscaler.
Note
You need to replace the {{FileSystemId}} to your own EFS ID before using the config. You may also need to set correct SecurityGroupIds for the instances in the config file.
setup_commands:
- sudo kill -9 `sudo lsof /var/lib/dpkg/lock-frontend | awk '{print $2}' | tail -n 1`;
sudo pkill -9 apt-get;
sudo pkill -9 dpkg;
sudo dpkg --configure -a;
sudo apt-get -y install binutils;
cd $HOME;
git clone https://github.com/aws/efs-utils;
cd $HOME/efs-utils;
./build-deb.sh;
sudo apt-get -y install ./build/amazon-efs-utils*deb;
cd $HOME;
mkdir efs;
sudo mount -t efs {{FileSystemId}}:/ efs;
sudo chmod 777 efs;
Configure worker nodes to access Amazon S3¶
In various scenarios, worker nodes may need write access to the S3 bucket. E.g. Ray Tune has the option that worker nodes write distributed checkpoints to S3 instead of syncing back to the driver using rsync.
If you see errors like “Unable to locate credentials”, make sure that the correct IamInstanceProfile is configured for worker nodes in cluster.yaml file.
This may look like:
worker_nodes:
InstanceType: m5.xlarge
ImageId: latest_dlami
IamInstanceProfile:
Arn: arn:aws:iam::YOUR_AWS_ACCOUNT:YOUR_INSTANCE_PROFILE
You can verify if the set up is correct by entering one worker node and do
aws configure list
You should see something like
Name Value Type Location
---- ----- ---- --------
profile <not set> None None
access_key ****************XXXX iam-role
secret_key ****************YYYY iam-role
region <not set> None None
Please refer to this discussion for more details.