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# golang
r
ripe-shampoo-80285
02/09/2022, 7:44 PMWhat is the best way to convert a StringOutput or StringPtrOutput to StringArrayOutput. I have tried the following, but it doesn't seem to work. Any help will be appreciated.
vpcSgId := cluster.EksCluster.ApplyT(func(eksCluster *awseks.Cluster) pulumi.StringArrayOutput {
return eksCluster.VpcConfig.ClusterSecurityGroupId().ApplyT(func(sgId *string) pulumi.StringArray {
return pulumi.StringArray{pulumi.String(*sgId)}
}).(pulumi.StringArrayOutput)
})
answer my own question, this seem to work
vpcSgId := cluster.EksCluster.ApplyT(func(eksCluster *awseks.Cluster) pulumi.StringArrayOutput {
return eksCluster.VpcConfig.ClusterSecurityGroupId().ApplyT(func(sgId *string) []string {
return []string{*sgId}
}).(pulumi.StringArrayOutput)
})
However this doesn't help me in the following case when an input expects pulumi.StringArraryInput.
as vpcSgId in this case is type of pulumi.Output (it is a nested output), why cannot it automatically flatten the nested Output when passed as an argument to another resource creation?
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