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google: add CredentialsParams.EarlyTokenRefresh

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This option is a followup to to cl/479676 where an option was added
to configure the preemptive token refresh. Currently the option
in this package is only being used by compute credentials. In the
future we can support more/all auth flows but that would require
a lot of new surfaces to be added. Compute credentials are currently
the only case where we are expirencing the need to configure this
setting.

Change-Id: Ib78ca4beec44d0fe030ae81e84c8fcc4924793ba
Reviewed-on: https://go-review.googlesource.com/c/oauth2/+/479956
Run-TryBot: Cody Oss <codyoss@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
This commit is contained in:
Cody Oss
2023-03-28 15:45:12 -05:00
committed by Roland Shoemaker
parent 1e7f329364
commit 4abfd87339
2 changed files with 15 additions and 2 deletions
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6
google/google.go
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@@ -231,7 +231,11 @@ func (f *credentialsFile) tokenSource(ctx context.Context, params CredentialsPar
// Further information about retrieving access tokens from the GCE metadata
// server can be found at https://cloud.google.com/compute/docs/authentication.
func ComputeTokenSource(account string, scope ...string) oauth2.TokenSource {
return oauth2.ReuseTokenSource(nil, computeSource{account: account, scopes: scope})
return computeTokenSource(account, 0, scope...)
}
func computeTokenSource(account string, earlyExpiry time.Duration, scope ...string) oauth2.TokenSource {
return oauth2.ReuseTokenSourceWithExpiry(nil, computeSource{account: account, scopes: scope}, earlyExpiry)
}
type computeSource struct {