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registry.go
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registry.go
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/*
Copyright 2014 CoreOS, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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.
*/
package client
import (
"github.com/coreos/fleet/job"
"github.com/coreos/fleet/registry"
"github.com/coreos/fleet/schema"
)
type RegistryClient struct {
registry.Registry
}
func (rc *RegistryClient) Units() ([]*schema.Unit, error) {
rUnits, err := rc.Registry.Units()
if err != nil {
return nil, err
}
sUnits, err := rc.Registry.Schedule()
if err != nil {
return nil, err
}
sUnitMap := make(map[string]*job.ScheduledUnit, len(sUnits))
for _, sUnit := range sUnits {
sUnit := sUnit
sUnitMap[sUnit.Name] = &sUnit
}
units := make([]*schema.Unit, len(rUnits))
for i, ru := range rUnits {
units[i] = schema.MapUnitToSchemaUnit(&ru, sUnitMap[ru.Name])
}
return units, nil
}
func (rc *RegistryClient) Unit(name string) (*schema.Unit, error) {
rUnit, err := rc.Registry.Unit(name)
if err != nil || rUnit == nil {
return nil, err
}
var sUnit *job.ScheduledUnit
// Only non-global units have an associated Schedule
if !rUnit.IsGlobal() {
sUnit, err = rc.Registry.ScheduledUnit(name)
if err != nil {
return nil, err
}
}
return schema.MapUnitToSchemaUnit(rUnit, sUnit), nil
}
func (rc *RegistryClient) CreateUnit(u *schema.Unit) error {
rUnit := job.Unit{
Name: u.Name,
Unit: *schema.MapSchemaUnitOptionsToUnitFile(u.Options),
TargetState: job.JobStateInactive,
}
if len(u.DesiredState) > 0 {
ts, err := job.ParseJobState(u.DesiredState)
if err != nil {
return err
}
rUnit.TargetState = ts
}
return rc.Registry.CreateUnit(&rUnit)
}
func (rc *RegistryClient) UnitStates() ([]*schema.UnitState, error) {
rUnitStates, err := rc.Registry.UnitStates()
if err != nil {
return nil, err
}
states := make([]*schema.UnitState, len(rUnitStates))
for i, rus := range rUnitStates {
states[i] = schema.MapUnitStateToSchemaUnitState(rus)
}
return states, nil
}
func (rc *RegistryClient) SetUnitTargetState(name, target string) error {
return rc.Registry.SetUnitTargetState(name, job.JobState(target))
}