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// Copyright 2014 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package operation
import (
"fmt"
"github.com/juju/errors"
corecharm "gopkg.in/juju/charm.v6-unstable"
)
var (
ErrNoStateFile = errors.New("uniter state file does not exist")
ErrSkipExecute = errors.New("operation already executed")
ErrNeedsReboot = errors.New("reboot request issued")
ErrHookFailed = errors.New("hook failed")
ErrCannotAcceptLeadership = errors.New("cannot accept leadership")
)
type deployConflictError struct {
charmURL *corecharm.URL
}
func (err *deployConflictError) Error() string {
return fmt.Sprintf("cannot deploy charm %s", err.charmURL)
}
// NewDeployConflictError returns an error indicating that the charm with
// the supplied URL failed to deploy.
func NewDeployConflictError(charmURL *corecharm.URL) error {
return &deployConflictError{charmURL}
}
// IsDeployConflictError returns true if the error is a
// deploy conflict error.
func IsDeployConflictError(err error) bool {
_, ok := err.(*deployConflictError)
return ok
}
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