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Cluster Creation failed : remote command exeception

I have working Devstack configuration with Sahara Installed. When I try to launch Hadoop Clusters with MapR Image and Ambari Images , It fails with the following error

For Ambari Cluster

Creating cluster failed for the following reason(s): RemoteCommandException: Error during command execution: "/tmp/96c89e7e-36c1-48d1-a0f7-fbff8ae59fbe.sh" Return code: 1 STDERR: curl: (6) Could not resolve host: tarballs.openstack.org STDOUT: Could not download Swift Hadoop FS implementation. Aborting Error ID: 7b4069fb-fedc-46f2-9eee-25103e84384b Error ID: f131ae8a-1278-4228-8eef-78d6c8e87fb1

For MapR Cluster

Creating cluster failed for the following reason(s): RemoteCommandException: Error during command execution: "/tmp/3eb0ba2c-671b-45f4-8557-4c8fee933844.sh" Return code: 1 STDOUT: START: installing Scala https://www.scala-lang.org is unreachable Error ID: f0f2029f-2621-4c96-adb1-f882613519a8 Error ID: ba2d4657-71ab-4b4a-858c-0b679b938ddf

What Could be the Problem and How to solve it ? Thanks

  • I believe the problem is with the internet access in the instances launched by sahara.
  • I am able to ssh into instances in the local network. I am able to ping host machine from my instance.
  • But I can't ping google.com or github.com from the instance.
  • How do I get the external internet access in the instance so that it uses the host internet connectivity ?