Merge pull request #53 from segmentio/allow-overriding-region

Allow overriding region
segmentio · Dec 4, 2017 · df3773f · df3773f
2 parents 500da44 + 0b57c20
commit df3773f
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diff --git a/README.md b/README.md
@@ -144,6 +144,8 @@ Chamber does not currently read the value of "AWS_DEFAULT_REGION". See
 [https://github.com/aws/aws-sdk-go#configuring-aws-region](https://github.com/aws/aws-sdk-go#configuring-aws-region)
 for more details.
 
+If you'd like to use a different region for chamber without changing `AWS_REGION`, you can use `CHAMBER_AWS_REGION` to override just for chamber.
+
 ### Using Path Based Keys
 
 If you'd prefer to use path based keys (`/service/key`) instead of the default period separated keys (`service.key`), you

diff --git a/store/ssmstore.go b/store/ssmstore.go
@@ -47,6 +47,10 @@ func NewSSMStore(numRetries int) *SSMStore {
 		region, _ = ec2metadataSvc.Region()
 	}
 
+	if regionOverride, ok := os.LookupEnv("CHAMBER_AWS_REGION"); ok {
+		region = regionOverride
+	}
+
 	ssmSession := session.Must(session.NewSession(&aws.Config{
 		Region: aws.String(region),
 	}))