Github user Liuchang0812 commented on a diff in the pull request:
https://github.com/apache/spark/pull/4162#discussion_r23446495
--- Diff: ec2/spark_ec2.py ---
@@ -346,9 +347,15 @@ def get_spark_ami(opts):
# Returns a tuple of EC2 reservation objects for the master and slaves
# Fails if there already instances running in the cluster's groups.
def launch_cluster(conn, opts, cluster_name):
- if opts.identity_file is None:
+ if opts.identity_file is None or \
+ not os.path.exists(opts.identity_file):
print >> stderr, "ERROR: Must provide an identity file (-i) for
ssh connections."
--- End diff --
Yes, I will fix this.
It will be hang up at check cluster ssh ready without warnings.
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