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Merge pull request #72437 from liggitt/shorten-token-re-read

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Shorten re-read period for token files to work with ProjectedTokenVolumeSource

Kubernetes-commit: de4e1ce401e7787f51ead201ea8a66a89421cc3a
This commit is contained in:
Kubernetes Publisher 2019-01-07 15:25:10 -08:00
commit f97fdd8c9d
2 changed files with 57 additions and 57 deletions
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102
Godeps/Godeps.json generated
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@ -408,207 +408,207 @@
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12
transport/token_source.go
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@ -47,14 +47,14 @@ func TokenSourceWrapTransport(ts oauth2.TokenSource) func(http.RoundTripper) htt
func NewCachedFileTokenSource(path string) oauth2.TokenSource {
return &cachingTokenSource{
now: time.Now,
leeway: 1 * time.Minute,
leeway: 10 * time.Second,
base: &fileTokenSource{
path: path,
// This period was picked because it is half of the minimum validity
// duration for a token provisioned by they TokenRequest API. This is
// unsophisticated and should induce rotation at a frequency that should
// work with the token volume source.
period: 5 * time.Minute,
// This period was picked because it is half of the duration between when the kubelet
// refreshes a projected service account token and when the original token expires.
// Default token lifetime is 10 minutes, and the kubelet starts refreshing at 80% of lifetime.
// This should induce re-reading at a frequency that works with the token volume source.
period: time.Minute,
},
}
}