89 lines
2.0 KiB
Go
89 lines
2.0 KiB
Go
package main
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import (
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"bytes"
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"io"
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"github.com/BurntSushi/toml"
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)
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func defaultConfig() *config {
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return &config{
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Root: "/var/lib/containerd",
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State: "/run/containerd",
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GRPC: grpcConfig{
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Socket: "/run/containerd/containerd.sock",
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},
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Debug: debug{
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Level: "info",
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Socket: "/run/containerd/debug.sock",
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},
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Snapshotter: "overlay",
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}
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}
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// loadConfig loads the config from the provided path
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func loadConfig(path string) error {
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md, err := toml.DecodeFile(path, conf)
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if err != nil {
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return err
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}
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conf.md = md
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return nil
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}
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// config specifies the containerd configuration file in the TOML format.
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// It contains fields to configure various subsystems and containerd as a whole.
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type config struct {
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// State is the path to a directory where containerd will store runtime state
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State string `toml:"state"`
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// Root is the path to a directory where containerd will store persistent data
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Root string `toml:"root"`
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// GRPC configuration settings
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GRPC grpcConfig `toml:"grpc"`
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// Debug and profiling settings
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Debug debug `toml:"debug"`
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// Metrics and monitoring settings
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Metrics metricsConfig `toml:"metrics"`
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// Snapshotter specifies which snapshot driver to use
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Snapshotter string `toml:"snapshotter"`
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// Plugins provides plugin specific configuration for the initialization of a plugin
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Plugins map[string]toml.Primitive `toml:"plugins"`
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// Enable containerd as a subreaper
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Subreaper bool `toml:"subreaper"`
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md toml.MetaData
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}
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func (c *config) decodePlugin(name string, v interface{}) error {
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p, ok := c.Plugins[name]
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if !ok {
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return nil
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}
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return c.md.PrimitiveDecode(p, v)
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}
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func (c *config) WriteTo(w io.Writer) (int64, error) {
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buf := bytes.NewBuffer(nil)
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e := toml.NewEncoder(buf)
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if err := e.Encode(c); err != nil {
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return 0, err
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}
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return io.Copy(w, buf)
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}
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type grpcConfig struct {
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Socket string `toml:"socket"`
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Uid int `toml:"uid"`
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Gid int `toml:"gid"`
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}
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type debug struct {
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Socket string `toml:"socket"`
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Level string `toml:"level"`
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}
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type metricsConfig struct {
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Address string `toml:"address"`
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}
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