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I’m using Pulumi with AWS and pulumi usually adds ...
# general
e
I’m using Pulumi with AWS and pulumi usually adds a suffix to resources it deploys, but in the case of 
aws.batch.ComputeEnvironment
, I have to specify 
computeEnvironmentName
and that exact name is used to deploy the resource. If I make any changes to the CE, I have to go in and change the name to avoid a conflict. Is there a way to get the suffix that Pulumi normally adds to resources so I don’t have to change the name every time I want to update an AWS Batch Compute Environment?
g
You can use the Random package to get a stable random string that you could use as a suffix. https://www.pulumi.com/docs/reference/pkg/nodejs/pulumi/random/#RandomString
e
thanks! I’ll try this out in the morning.
Whenever I declare
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const id = new random.RandomId("id", {byteLength: 8});
I always get
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error: Duplicate resource URN 'urn:pulumi:dev::folding-foundation::random:index/randomId:RandomId::id'; try giving it a unique name
if I rename it and try to deploy, I get the same error. I haven’t tried using the generated id in any of the resources yet.
it doesn’t seem to matter what the name is, and I’m only making this one call to the 
random
package.
for instance
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const idasdf = new random.RandomId("id-asdf", {byteLength: 8});

    error: Duplicate resource URN 'urn:pulumi:dev::folding-foundation::random:index/randomId:RandomId::id-asdf'; try giving it a unique name
I figured it out. I forgot that I’m using multiple providers so the id was being used multiple times.
👍 1
doh! I hadn’t noticed 
computeEnvironmentNamePrefix
. It’s unfortunate that you can’t set the length of the id to generate, but this does what I need.
g
You can set the length of 
RandomString
, but 
computeEnvironmentNamePrefix
is likely easier in the long run.
e
yep. Agreed
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