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helm/pkg/releaseutil/manifest.go

60 lines
1.7 KiB
Go

/*
Copyright The Helm Authors.
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 releaseutil
import (
"fmt"
"regexp"
"strings"
)
// SimpleHead defines what the structure of the head of a manifest file
type SimpleHead struct {
Version string `json:"apiVersion"`
Kind string `json:"kind,omitempty"`
Metadata *struct {
Name string `json:"name"`
Annotations map[string]string `json:"annotations"`
} `json:"metadata,omitempty"`
}
var sep = regexp.MustCompile("(?:^|\\s*\n)---\\s*")
// SplitManifests takes a string of manifest and returns a map contains individual manifests
func SplitManifests(bigFile string) map[string]string {
// Basically, we're quickly splitting a stream of YAML documents into an
// array of YAML docs. In the current implementation, the file name is just
// a place holder, and doesn't have any further meaning.
tpl := "manifest-%d"
res := map[string]string{}
// Making sure that any extra whitespace in YAML stream doesn't interfere in splitting documents correctly.
bigFileTmp := strings.TrimSpace(bigFile)
docs := sep.Split(bigFileTmp, -1)
var count int
for _, d := range docs {
if d == "" {
continue
}
d = strings.TrimSpace(d)
res[fmt.Sprintf(tpl, count)] = d
count = count + 1
}
return res
}