mirror of
https://github.com/siderolabs/talos.git
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d430a37e46
This removes the github.com/pkg/errors package in favor of the official error wrapping in go 1.13. Signed-off-by: Andrew Rynhard <andrew@andrewrynhard.com>
67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package config
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import (
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"fmt"
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"io/ioutil"
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yaml "gopkg.in/yaml.v2"
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"github.com/talos-systems/talos/internal/pkg/runtime"
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"github.com/talos-systems/talos/pkg/config/types/v1alpha1"
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)
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// Content represents the raw config data.
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type Content struct {
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Version string `yaml:"version"`
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data []byte
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}
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// New initializes and returns a Configurator.
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func New(c Content) (config runtime.Configurator, err error) {
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switch c.Version {
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case v1alpha1.Version:
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config = &v1alpha1.Config{}
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if err = yaml.Unmarshal(c.data, config); err != nil {
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return config, fmt.Errorf("failed to parse version: %w", err)
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}
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return config, nil
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default:
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return nil, fmt.Errorf("unknown version: %q", c.Version)
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}
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}
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// FromFile is a convenience function that reads the config from disk, and
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// unmarshals it.
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func FromFile(p string) (c Content, err error) {
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b, err := ioutil.ReadFile(p)
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if err != nil {
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return c, fmt.Errorf("read config: %w", err)
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}
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return unmarshal(b)
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}
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// FromBytes is a convenience function that reads the config from a string, and
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// unmarshals it.
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func FromBytes(b []byte) (c Content, err error) {
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return unmarshal(b)
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}
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func unmarshal(b []byte) (c Content, err error) {
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c = Content{
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data: b,
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}
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if err = yaml.Unmarshal(b, &c); err != nil {
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return c, fmt.Errorf("failed to parse config: %s", err.Error())
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}
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return c, nil
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}
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