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Hi all.

I configured instances on AWS and created my own "experiment" according to this documentation (doc1  &  doc2).

Experiment "1.json":

{
"product": "Confluence",
"duration": 300000,
"workload": "confluence-mixed",
"threads": [
{
"name": "1-node",
"instance": {
"stack": {
"Name": "1node"
}
},
"stages": [
{ "clients": 2000 },
{ "clients": 4000 },
{ "clients": 8000 },
{ "clients": 15000 }
],
"worker": {
"stack": {
"Name": "1node"
}
}
},
{
"name": "2-node",
"instance": {
"stack": {
"Name": "2node"
}
},
"stages": [
{ "clients": 2000 },
{ "clients": 4000 },
{ "clients": 8000 },
{ "clients": 15000 }
],
"worker": {
"stack": {
"Name": "2node"
}
}
},
{
"name": "4-node",
"instance": {
"stack": {
"Name": "4node"
}
},
"stages": [
{ "clients": 2000 },
{ "clients": 4000 },
{ "clients": 8000 },
{ "clients": 15000 }
],
"worker": {
"stack": {
"Name": "4node"
}
}
}
]

}

But I received errors when I try to start this experiment:

./Orchestrate.py -e 1
/bin/sh: 1: /usr/local/bin/cloudtoken: not found
2018-12-19 09:37:34,754 - MainThread - ERROR - Unable to locate '/root/.config/cloudtoken/tokens.json' unable to load AWS credentials, trying to proceed without them.
Traceback (most recent call last):
File "./Orchestrate.py", line 77, in <module>
command()
File "/home/ubuntu/.ve/local/lib/python2.7/site-packages/click/core.py", line 716, in __call__
return self.main(*args, **kwargs)
File "/home/ubuntu/.ve/local/lib/python2.7/site-packages/click/core.py", line 696, in main
rv = self.invoke(ctx)
File "/home/ubuntu/.ve/local/lib/python2.7/site-packages/click/core.py", line 889, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/home/ubuntu/.ve/local/lib/python2.7/site-packages/click/core.py", line 534, in invoke
return callback(*args, **kwargs)
File "./Orchestrate.py", line 73, in command
Orchestrate(experiment, network, retain).run()
File "./Orchestrate.py", line 25, in __init__
self.aws = Aws()
File "/home/ubuntu/src/e3/provisioning/Aws.py", line 24, in __init__
self.cloud_formation = self._session.resource("cloudformation")
File "/home/ubuntu/.ve/local/lib/python2.7/site-packages/boto3/session.py", line 389, in resource
aws_session_token=aws_session_token, config=config)
File "/home/ubuntu/.ve/local/lib/python2.7/site-packages/boto3/session.py", line 263, in client
aws_session_token=aws_session_token, config=config)
File "/home/ubuntu/.ve/local/lib/python2.7/site-packages/botocore/session.py", line 824, in create_client
client_config=config, api_version=api_version)
File "/home/ubuntu/.ve/local/lib/python2.7/site-packages/botocore/client.py", line 69, in create_client
verify, credentials, scoped_config, client_config, endpoint_bridge)
File "/home/ubuntu/.ve/local/lib/python2.7/site-packages/botocore/client.py", line 222, in _get_client_args
verify, credentials, scoped_config, client_config, endpoint_bridge)
File "/home/ubuntu/.ve/local/lib/python2.7/site-packages/botocore/args.py", line 44, in get_client_args
endpoint_url, is_secure, scoped_config)
File "/home/ubuntu/.ve/local/lib/python2.7/site-packages/botocore/args.py", line 101, in compute_client_args
service_name, region_name, endpoint_url, is_secure)
File "/home/ubuntu/.ve/local/lib/python2.7/site-packages/botocore/client.py", line 295, in resolve
service_name, region_name)
File "/home/ubuntu/.ve/local/lib/python2.7/site-packages/botocore/regions.py", line 122, in construct_endpoint
partition, service_name, region_name)
File "/home/ubuntu/.ve/local/lib/python2.7/site-packages/botocore/regions.py", line 135, in _endpoint_for_partition
raise NoRegionError()
botocore.exceptions.NoRegionError: You must specify a region.

 I can not find how to configure AWS  credentials for experiments.

I received this message when I try to execute Run.py

./Run.py --run 1
Usage: Run.py [OPTIONS]

Error: Invalid value for "-r" / "--run": invalid choice: 1. (choose from ) 

  Any suggestions are welcome.

2 answers

0 votes

Hello Alex and welcome to the Community!

Your error is related to an AWS credential issue (as you have stated). I did find a resource which mentioned reviewing the following to manage your AWS credentials. You can find more about credentials at Working with AWS Credentials.

Please review the above reference and let us know if you’re still having issues with authentication.

Regards,
Stephen Sifers

 

From an AWS instance try the "aws sts get-session-token" command!

You might need to run "aws configure" beforehand once to set the secret-key, and to set output to "json".

aws sts get-session-token

Outputs:

{
"Credentials": {
"AccessKeyId": "ASANAZN33LXUBJIGR4HS9",
"SecretAccessKey": "applebig/nsfskljfdlkjwefsdf/hvKKdlwe",
"SessionToken": "fogowogowkef//////////etcatdadfc[...this-one-is-quite-long...]fjdkaflkje=",
"Expiration": "2019-02-28T22:35:06Z"
}
}

Sadly that JSON output above is not quite right.  You need to remove the outer brackets, remove the "Credentials" key, and change "SessionToken" to just "Token", like so:

{
"AccessKeyId": "ASANAZN33LXUBJIGR4HS9",
"SecretAccessKey": "applebig/nsfskljfdlkjwefsdf/hvKKdlwe",
"Token": "fogowogowkef//////////etcatdadfc[...this-one-is-quite-long...]fjdkaflkje=",
"Expiration": "2019-02-28T22:35:06Z"
}

Stuff that into "~/.config/cloudtoken/tokens.json" and everything should start working!

(But use the values that your invocation of "aws sts get-session-token" returned - don't use my sample values.)   ;-)

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