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includetemplate.go
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includetemplate.go
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/*
* === This file is part of ALICE O² ===
*
* Copyright 2021 CERN and copyright holders of ALICE O².
* Author: Teo Mrnjavac <teo.mrnjavac@cern.ch>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* In applying this license CERN does not waive the privileges and
* immunities granted to it by virtue of its status as an
* Intergovernmental Organization or submit itself to any jurisdiction.
*/
package workflow
import (
"text/template"
"errors"
"github.com/jinzhu/copier"
)
type includeTemplate struct {
includeRole
stringTemplates map[string]template.Template `yaml:"-,omitempty"`
}
func (tt *includeTemplate) copy() copyable {
rCopy := includeTemplate{
includeRole: *tt.includeRole.copy().(*includeRole),
}
_ = copier.Copy(&rCopy.stringTemplates, &tt.stringTemplates)
return &rCopy
}
func (tt *includeTemplate) UnmarshalYAML(unmarshal func(interface{}) error) (err error) {
type _includeTemplate includeTemplate
aux := _includeTemplate{}
err = unmarshal(&aux)
if err != nil {
return
}
aux.stringTemplates = make(map[string]template.Template)
/* template cache builder
tmpl := template.New(aux.GetPath())
// Fields to parse as templates:
for _, str := range []string{
aux.LoadTaskClass,
aux.Name,
} {
var tempTmpl *template.Template
tempTmpl, err = tmpl.Parse(str)
if err != nil {
return
}
aux.stringTemplates[str] = *tempTmpl
}
*/
*tt = includeTemplate(aux)
return
}
func (tt *includeTemplate) generateRole(localVars map[string]string) (c Role, err error) {
if tt == nil {
return nil, errors.New("cannot generate from nil sender")
}
// See note for aggregatorTemplate.generateRole
tr := *tt.includeRole.copy().(*includeRole)
for k, v := range localVars {
tr.Locals[k] = v
}
c = &tr
return
}