53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
// Copyright 2020 the Pinniped contributors. All Rights Reserved.
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
// Package supervisor contains functionality to load/store Config's from/to
|
|
// some source.
|
|
package supervisor
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"strings"
|
|
|
|
"sigs.k8s.io/yaml"
|
|
|
|
"go.pinniped.dev/internal/constable"
|
|
)
|
|
|
|
// FromPath loads an Config from a provided local file path, inserts any
|
|
// defaults (from the Config documentation), and verifies that the config is
|
|
// valid (Config documentation).
|
|
func FromPath(path string) (*Config, error) {
|
|
data, err := ioutil.ReadFile(path)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("read file: %w", err)
|
|
}
|
|
|
|
var config Config
|
|
if err := yaml.Unmarshal(data, &config); err != nil {
|
|
return nil, fmt.Errorf("decode yaml: %w", err)
|
|
}
|
|
|
|
if config.Labels == nil {
|
|
config.Labels = make(map[string]string)
|
|
}
|
|
|
|
if err := validateNames(&config.NamesConfig); err != nil {
|
|
return nil, fmt.Errorf("validate names: %w", err)
|
|
}
|
|
|
|
return &config, nil
|
|
}
|
|
|
|
func validateNames(names *NamesConfigSpec) error {
|
|
missingNames := []string{}
|
|
if names.DefaultTLSCertificateSecret == "" {
|
|
missingNames = append(missingNames, "defaultTLSCertificateSecret")
|
|
}
|
|
if len(missingNames) > 0 {
|
|
return constable.Error("missing required names: " + strings.Join(missingNames, ", "))
|
|
}
|
|
return nil
|
|
}
|