heldeen

aws sts assume-role --role-arn "arn:aws:iam::<ACCOUNT_ID>:path/to/yourProdRole" \
  --role-session-name "session-reason" \
  --query "Credentials.{AccessKeyId,SecretAccessKey,SessionToken}" \
  --output text | awk 'BEGIN {print "[default]";} { print "aws_access_key_id =",$1,"\naws_secret_access_key =",$2,"\naws_session_token =",$3,"\naws_security_token =",$3; }' > ~/.aws/credentials.tmp

# wait for the AWS CLI to finish before we copy the file into place
sleep 5
cp ~/.aws/credentials ~/.aws/credentials.bak
cp ~/.aws/credentials.tmp ~/.aws/credentials

dideler

TL;DR

Create a backup:

pg_dumpall > mybackup.sql

Perform the upgrade:

sudo pg_dropcluster 9.4 main --stop

abramsm

        InstanceSpec spec = new InstanceSpec(null, -1, -1, -1, true, -1, 2000, 10);
        System.setProperty("zookeeper.serverCnxnFactory", "org.apache.zookeeper.server.NettyServerCnxnFactory");
        myKeeper = new TestingServer(spec);
        String keeperPort = String.valueOf(spec.getPort());
        System.setProperty("zk.servers", "localhost:" + keeperPort);
        zkClient = CuratorFrameworkFactory.builder()
                .sessionTimeoutMs(60000)
                .connectionTimeoutMs(10000)
                .connectString("localhost:" + keeperPort)
                .retryPolicy(new RetryOneTime(1000))