joao/pkg/config/util.go

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// Copyright © 2022 Roberto Hidalgo <joao@un.rob.mx>
//
// 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 config
import (
"bytes"
"fmt"
"io/ioutil"
"path/filepath"
"strings"
"text/template"
opClient "git.rob.mx/nidito/joao/internal/op-client"
"github.com/sirupsen/logrus"
"gopkg.in/yaml.v3"
)
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type opDetails struct {
Vault string `yaml:"vault"`
Name string `yaml:"name"`
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NameTemplate string `yaml:"nameTemplate"` // nolint: tagliatelle
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Repo string
}
type singleModeConfig struct {
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Config *opDetails `yaml:"_config,omitempty"` // nolint: tagliatelle
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}
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func argIsYAMLFile(path string) bool {
return strings.HasSuffix(path, ".yaml") || strings.HasSuffix(path, ".yml")
}
// func pathToName(path string, prefix string) string {
// comps := strings.SplitN(path, prefix+"/", 2)
// return strings.ReplaceAll(strings.Replace(comps[1], ".yaml", "", 1), "/", ":")
// }
// func nameToPath(name string) string {
// return "config/" + strings.ReplaceAll(name, ":", "/") + ".yaml"
// }
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func vaultAndNameFrom(path string, buf []byte) (name string, vault string, err error) {
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smc := &singleModeConfig{}
if buf == nil {
var err error
buf, err = ioutil.ReadFile(path)
if err != nil {
return "", "", fmt.Errorf("could not read file %s", path)
}
}
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if err = yaml.Unmarshal(buf, &smc); err == nil && smc.Config != nil {
return smc.Config.Name, smc.Config.Vault, nil
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}
rmc, err := findRepoConfig(path)
if err != nil {
return "", "", err
}
if rmc == nil {
return "", "", fmt.Errorf("could not find repo config for %s", path)
}
if rmc.NameTemplate == "" {
rmc.NameTemplate = "{{ DirName }}:{{ FileName}}"
}
logrus.Debugf("Found repo config at %s", rmc.Repo)
tpl := template.Must(template.New("help").Funcs(template.FuncMap{
"DirName": func() string {
return filepath.Base(filepath.Dir(path))
},
"FileName": func() string {
return strings.Split(filepath.Base(path), ".")[0]
},
}).Parse(rmc.NameTemplate))
var nameBuf bytes.Buffer
err = tpl.Execute(&nameBuf, nil)
if err != nil {
return "", "", err
}
return nameBuf.String(), rmc.Vault, nil
}
func Load(ref string, preferRemote bool) (*Config, error) {
if preferRemote {
name := ref
vault := ""
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if argIsYAMLFile(ref) {
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var err error
name, vault, err = vaultAndNameFrom(ref, nil)
if err != nil {
return nil, err
}
} else {
parts := strings.SplitN(ref, "/", 2)
if len(parts) > 1 {
vault = parts[0]
name = parts[1]
}
}
item, err := opClient.Get(vault, name)
if err != nil {
return nil, err
}
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return FromOP(item)
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}
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if !argIsYAMLFile(ref) {
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return nil, fmt.Errorf("could not load %s from local as it's not a path", ref)
}
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return FromFile(ref)
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}