constellation/cli/internal/cloudcmd/rollback.go
2022-08-31 14:10:08 +02:00

51 lines
1.3 KiB
Go

package cloudcmd
import (
"context"
"fmt"
"io"
"go.uber.org/multierr"
)
// rollbacker does a rollback.
type rollbacker interface {
rollback(ctx context.Context) error
}
// rollbackOnError calls rollback on the rollbacker if the handed error is not nil,
// and writes logs to the writer w.
func rollbackOnError(ctx context.Context, w io.Writer, onErr *error, roll rollbacker) {
if *onErr == nil {
return
}
fmt.Fprintf(w, "An error occurred: %s\n", *onErr)
fmt.Fprintln(w, "Attempting to roll back.")
if err := roll.rollback(ctx); err != nil {
*onErr = multierr.Append(*onErr, fmt.Errorf("on rollback: %w", err)) // TODO: print the error, or retrun it?
return
}
fmt.Fprintln(w, "Rollback succeeded.")
}
type rollbackerGCP struct {
client gcpclient
}
func (r *rollbackerGCP) rollback(ctx context.Context) error {
var err error
err = multierr.Append(err, r.client.TerminateLoadBalancers(ctx))
err = multierr.Append(err, r.client.TerminateInstances(ctx))
err = multierr.Append(err, r.client.TerminateFirewall(ctx))
err = multierr.Append(err, r.client.TerminateVPCs(ctx))
return err
}
type rollbackerAzure struct {
client azureclient
}
func (r *rollbackerAzure) rollback(ctx context.Context) error {
return r.client.TerminateResourceGroupResources(ctx)
}