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Remove kernel panic function

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Signed-off-by: Daniel Weiße <dw@edgeless.systems>
This commit is contained in:
Daniel Weiße 2022-04-28 14:44:09 +02:00 committed by Daniel Weiße
parent 483f65175e
commit 7619e1dee7
2 changed files with 13 additions and 26 deletions
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17
internal/utils/utils.go
View File

@ -1,17 +0,0 @@
package utils
import (
"fmt"
"os"
)
// KernelPanic prints the error and triggers a kernel panic.
//
// This function WILL cause a system crash!
// DO NOT call it in any code that may be covered by automatic or manual tests.
func KernelPanic(err error) {
fmt.Fprint(os.Stderr, err)
_ = os.WriteFile("/proc/sys/kernel/sysrq", []byte("1"), 0o644)
_ = os.WriteFile("/proc/sysrq-trigger", []byte("c"), 0o644)
panic(err)
}

22
state/cmd/main.go
View File

@ -17,7 +17,6 @@ import (
azurecloud "github.com/edgelesssys/constellation/coordinator/cloudprovider/azure"
gcpcloud "github.com/edgelesssys/constellation/coordinator/cloudprovider/gcp"
"github.com/edgelesssys/constellation/coordinator/core"
"github.com/edgelesssys/constellation/internal/utils"
"github.com/edgelesssys/constellation/state/keyservice"
"github.com/edgelesssys/constellation/state/mapper"
"github.com/edgelesssys/constellation/state/setup"
@ -48,7 +47,7 @@ func main() {
diskPath, diskPathErr = filepath.EvalSymlinks(azureStateDiskPath)
metadata, err = azurecloud.NewMetadata(context.Background())
if err != nil {
utils.KernelPanic(err)
exit(err)
}
issuer = azure.NewIssuer()
@ -57,7 +56,7 @@ func main() {
issuer = gcp.NewIssuer()
gcpClient, err := gcpcloud.NewClient(context.Background())
if err != nil {
utils.KernelPanic(err)
exit(err)
}
metadata = gcpcloud.New(gcpClient)
@ -71,13 +70,13 @@ func main() {
diskPathErr = fmt.Errorf("csp %q is not supported by Constellation", *csp)
}
if diskPathErr != nil {
utils.KernelPanic(fmt.Errorf("unable to determine state disk path: %w", diskPathErr))
exit(fmt.Errorf("unable to determine state disk path: %w", diskPathErr))
}
// initialize device mapper
mapper, err := mapper.New(diskPath)
if err != nil {
utils.KernelPanic(err)
exit(err)
}
defer mapper.Close()
@ -96,8 +95,13 @@ func main() {
} else {
err = setupManger.PrepareNewDisk()
}
if err != nil {
utils.KernelPanic(err)
}
exit(err)
}
func exit(err error) {
if err != nil {
fmt.Fprintf(os.Stderr, err.Error())
os.Exit(1)
}
os.Exit(0)
}