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dex/storage/kubernetes/garbage_collection.go

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package kubernetes
import (
"fmt"
"log"
"time"
"golang.org/x/net/context"
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)
// gc begins the gc process for Kubernetes.
func (cli *client) gc(ctx context.Context, every time.Duration) {
handleErr := func(err error) { log.Println(err.Error()) }
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for {
select {
case <-ctx.Done():
return
case <-time.After(every):
}
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// TODO(ericchiang): On failures, run garbage collection more often.
log.Println("kubernetes: running garbage collection")
cli.gcAuthRequests(handleErr)
cli.gcAuthCodes(handleErr)
log.Printf("kubernetes: garbage collection finished, next run at %s", cli.now().Add(every))
}
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}
func (cli *client) gcAuthRequests(handleErr func(error)) {
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var authRequests AuthRequestList
if err := cli.list(resourceAuthRequest, &authRequests); err != nil {
handleErr(fmt.Errorf("failed to list auth requests: %v", err))
return
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}
for _, authRequest := range authRequests.AuthRequests {
if cli.now().After(authRequest.Expiry) {
if err := cli.delete(resourceAuthRequest, authRequest.ObjectMeta.Name); err != nil {
handleErr(fmt.Errorf("failed to detele auth request: %v", err))
}
}
}
}
func (cli *client) gcAuthCodes(handleErr func(error)) {
var authCodes AuthCodeList
if err := cli.list(resourceAuthCode, &authCodes); err != nil {
handleErr(fmt.Errorf("failed to list auth codes: %v", err))
return
}
for _, authCode := range authCodes.AuthCodes {
if cli.now().After(authCode.Expiry) {
if err := cli.delete(resourceAuthCode, authCode.ObjectMeta.Name); err != nil {
handleErr(fmt.Errorf("failed to delete auth code: %v", err))
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}
}
}
}