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operational.go
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operational.go
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/*******************************************************************************
*
* Copyright 2020 SAP SE
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You should have received a copy of the License along with this
* program. If not, you may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*******************************************************************************/
//nolint:dupl
package state
import (
"fmt"
"github.com/sapcc/maintenance-controller/plugin"
)
// operational implements the transition and notification logic if a node is in the operational state.
type operational struct {
chains PluginChains
label NodeStateLabel
}
func newOperational(chains PluginChains) NodeState {
return &operational{chains: chains, label: Operational}
}
func (s *operational) Label() NodeStateLabel {
return s.label
}
func (s *operational) Enter(params plugin.Parameters, data *DataV2) error {
return nil
}
func (s *operational) Notify(params plugin.Parameters, data *DataV2) error {
return notifyDefault(params, data, &s.chains.Notification)
}
func (s *operational) Trigger(params plugin.Parameters, next NodeStateLabel, data *DataV2) error {
for _, transition := range s.chains.Transitions {
if transition.Next == next {
return transition.Trigger.Execute(params)
}
}
return fmt.Errorf("could not find triggers from %s to %s", s.Label(), next)
}
func (s *operational) Transition(params plugin.Parameters, data *DataV2) (TransitionsResult, error) {
return transitionDefault(params, s.Label(), s.chains.Transitions)
}