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feature/tpm: log errors on the initial info fetch (#16574)

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This function is behind a sync.Once so we should only see errors at
startup. In particular the error from `open` is useful to diagnose why
TPM might not be accessible.

Updates #15830

Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
This commit is contained in:
Andrew Lytvynov 2025-07-21 10:35:53 -07:00 committed by GitHub
parent 1677fb1905
commit 0d03a3746a
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1 changed files with 4 additions and 0 deletions
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4
feature/tpm/tpm.go
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@ -44,8 +44,10 @@ func init() {
func info() *tailcfg.TPMInfo { func info() *tailcfg.TPMInfo {
tpm, err := open() tpm, err := open()
if err != nil { if err != nil {
log.Printf("TPM: error opening: %v", err)
return nil return nil
} }
log.Printf("TPM: successfully opened")
defer tpm.Close() defer tpm.Close()
info := new(tailcfg.TPMInfo) info := new(tailcfg.TPMInfo)
@ -74,10 +76,12 @@ func info() *tailcfg.TPMInfo {
PropertyCount: 1, PropertyCount: 1,
}.Execute(tpm) }.Execute(tpm)
if err != nil { if err != nil {
log.Printf("TPM: GetCapability %v: %v", cap.prop, err)
continue continue
} }
props, err := resp.CapabilityData.Data.TPMProperties() props, err := resp.CapabilityData.Data.TPMProperties()
if err != nil { if err != nil {
log.Printf("TPM: GetCapability %v: %v", cap.prop, err)
continue continue
} }
if len(props.TPMProperty) == 0 { if len(props.TPMProperty) == 0 {