forked from juju/juju
/
helpers.go
76 lines (67 loc) · 1.64 KB
/
helpers.go
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// Copyright 2015 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package api
import (
"github.com/juju/errors"
"github.com/juju/names"
"gopkg.in/juju/charm.v6-unstable"
"github.com/juju/juju/payload"
)
// Payload2api converts a payload.FullPayloadInfo struct into
// a Payload struct.
func Payload2api(p payload.FullPayloadInfo) Payload {
labels := make([]string, len(p.Labels))
copy(labels, p.Labels)
var unitTag string
if p.Unit != "" {
unitTag = names.NewUnitTag(p.Unit).String()
}
var machineTag string
if p.Machine != "" {
machineTag = names.NewMachineTag(p.Machine).String()
}
return Payload{
Class: p.Name,
Type: p.Type,
ID: p.ID,
Status: p.Status,
Labels: labels,
Unit: unitTag,
Machine: machineTag,
}
}
// API2Payload converts an API Payload info struct into
// a payload.FullPayloadInfo struct.
func API2Payload(apiInfo Payload) (payload.FullPayloadInfo, error) {
labels := make([]string, len(apiInfo.Labels))
copy(labels, apiInfo.Labels)
var unit, machine string
var empty payload.FullPayloadInfo
if apiInfo.Unit != "" {
tag, err := names.ParseUnitTag(apiInfo.Unit)
if err != nil {
return empty, errors.Trace(err)
}
unit = tag.Id()
}
if apiInfo.Machine != "" {
tag, err := names.ParseMachineTag(apiInfo.Machine)
if err != nil {
return empty, errors.Trace(err)
}
machine = tag.Id()
}
return payload.FullPayloadInfo{
Payload: payload.Payload{
PayloadClass: charm.PayloadClass{
Name: apiInfo.Class,
Type: apiInfo.Type,
},
ID: apiInfo.ID,
Status: apiInfo.Status,
Labels: labels,
Unit: unit,
},
Machine: machine,
}, nil
}