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fixed and improved region detection within queue url #403

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merged 2 commits into from
Apr 12, 2021
Merged

fixed and improved region detection within queue url #403

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39e1348
fixed and improved region detection within queue url
bwagner5 Apr 9, 2021
1c7db39
add debug log for queue-url region detectio n
bwagner5 Apr 9, 2021
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14 changes: 13 additions & 1 deletion pkg/config/config.go
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ import (
"strconv"
"strings"

"github.com/aws/aws-sdk-go/aws/endpoints"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/rs/zerolog/log"
)
Expand Down Expand Up @@ -189,7 +190,7 @@ func ParseCliArgs() (config Config, err error) {
if config.AWSRegion != "" {
sess.Config.Region = &config.AWSRegion
} else if *sess.Config.Region == "" && config.QueueURL != "" {
config.AWSRegion = strings.Split(config.QueueURL, ".")[1]
config.AWSRegion = getRegionFromQueueURL(config.QueueURL)
sess.Config.Region = &config.AWSRegion
} else {
config.AWSRegion = *sess.Config.Region
Expand Down Expand Up @@ -390,3 +391,14 @@ func isConfigProvided(cliArgName string, envVarName string) bool {
})
return cliArgProvided
}

func getRegionFromQueueURL(queueURL string) string {
for _, partition := range endpoints.DefaultPartitions() {
for regionID := range partition.Regions() {
if strings.Contains(queueURL, regionID) {
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it's not likely; but if someone named their queue us-west-2 when it was actually in e.g. ap-southeast-1 then this could have a false positive.

return regionID
}
}
}
return ""
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will this lead to an error?

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if they do end up changing the queue urls or something, maybe we should at least log here

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added a debug log

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oh and to answer the first question, yes it will lead to an aws sdk error that the region is undefined

}