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// Copyright 2021 Northern.tech AS
//
// 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 artifact
import (
"path/filepath"
"regexp"
"github.com/pkg/errors"
)
type Scripts struct {
names map[string]string
}
var availableScriptType = map[string]bool{
// Idle, Sync and Download scripts are part of rootfs and can not
// be a part of the artifact itself; Leaving below for refference...
//"Idle": true,
//"Sync": true,
//"Download": true,
"ArtifactInstall": true,
"ArtifactReboot": true,
"ArtifactCommit": true,
"ArtifactRollback": true,
"ArtifactRollbackReboot": true,
"ArtifactFailure": true,
}
func (s *Scripts) Add(path string) error {
if s.names == nil {
s.names = make(map[string]string)
}
name := filepath.Base(path)
// all scripts must be formated like `ArtifactInstall_Enter_05_wifi-driver`
re := regexp.MustCompile(`([A-Za-z]+)_(Enter|Leave|Error)_[0-9][0-9](_\S+)?`)
// `matches` should contain a slice of string of match of regex;
// the first element should be the whole matched name of the script and
// the second one shold be the name of the state
matches := re.FindStringSubmatch(name)
if matches == nil || len(matches) < 3 {
return errors.Errorf(
"Invalid script name: %q. Scripts must have a name on the form:"+
" <STATE_NAME>_<ACTION>_<ORDERING_NUMBER>_<OPTIONAL_DESCRIPTION>."+
" For example: 'Download_Enter_05_wifi-driver' is a valid script name.",
name,
)
}
if _, found := availableScriptType[matches[1]]; !found {
return errors.Errorf("Unsupported script state: %s", matches[1])
}
if _, exists := s.names[name]; exists {
return errors.Errorf("Script already exists: %s", name)
}
s.names[name] = path
return nil
}
func (s *Scripts) Get() []string {
scr := make([]string, 0, len(s.names))
for _, script := range s.names {
scr = append(scr, script)
}
return scr
}
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