112 lines
3 KiB
Go
112 lines
3 KiB
Go
package server
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import (
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"bytes"
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"io/ioutil"
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"github.com/BurntSushi/toml"
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"github.com/kubernetes-incubator/cri-o/libkpod"
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)
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//CrioConfigPath is the default location for the conf file
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const CrioConfigPath = "/etc/crio/crio.conf"
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// Config represents the entire set of configuration values that can be set for
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// the server. This is intended to be loaded from a toml-encoded config file.
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type Config struct {
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libkpod.Config
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APIConfig
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}
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// APIConfig represents the "crio.api" TOML config table.
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type APIConfig struct {
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// Listen is the path to the AF_LOCAL socket on which cri-o will listen.
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// This may support proto://addr formats later, but currently this is just
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// a path.
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Listen string `toml:"listen"`
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// StreamAddress is the IP address on which the stream server will listen.
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StreamAddress string `toml:"stream_address"`
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// StreamPort is the port on which the stream server will listen.
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StreamPort string `toml:"stream_port"`
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}
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// tomlConfig is another way of looking at a Config, which is
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// TOML-friendly (it has all of the explicit tables). It's just used for
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// conversions.
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type tomlConfig struct {
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Crio struct {
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libkpod.RootConfig
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API struct{ APIConfig } `toml:"api"`
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Runtime struct{ libkpod.RuntimeConfig } `toml:"runtime"`
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Image struct{ libkpod.ImageConfig } `toml:"image"`
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Network struct{ libkpod.NetworkConfig } `toml:"network"`
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} `toml:"crio"`
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}
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func (t *tomlConfig) toConfig(c *Config) {
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c.RootConfig = t.Crio.RootConfig
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c.APIConfig = t.Crio.API.APIConfig
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c.RuntimeConfig = t.Crio.Runtime.RuntimeConfig
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c.ImageConfig = t.Crio.Image.ImageConfig
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c.NetworkConfig = t.Crio.Network.NetworkConfig
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}
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func (t *tomlConfig) fromConfig(c *Config) {
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t.Crio.RootConfig = c.RootConfig
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t.Crio.API.APIConfig = c.APIConfig
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t.Crio.Runtime.RuntimeConfig = c.RuntimeConfig
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t.Crio.Image.ImageConfig = c.ImageConfig
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t.Crio.Network.NetworkConfig = c.NetworkConfig
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}
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// UpdateFromFile populates the Config from the TOML-encoded file at the given path.
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// Returns errors encountered when reading or parsing the files, or nil
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// otherwise.
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func (c *Config) UpdateFromFile(path string) error {
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data, err := ioutil.ReadFile(path)
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if err != nil {
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return err
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}
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t := new(tomlConfig)
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t.fromConfig(c)
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_, err = toml.Decode(string(data), t)
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if err != nil {
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return err
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}
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t.toConfig(c)
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return nil
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}
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// ToFile outputs the given Config as a TOML-encoded file at the given path.
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// Returns errors encountered when generating or writing the file, or nil
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// otherwise.
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func (c *Config) ToFile(path string) error {
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var w bytes.Buffer
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e := toml.NewEncoder(&w)
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t := new(tomlConfig)
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t.fromConfig(c)
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if err := e.Encode(*t); err != nil {
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return err
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}
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return ioutil.WriteFile(path, w.Bytes(), 0644)
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}
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// DefaultConfig returns the default configuration for crio.
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func DefaultConfig() *Config {
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return &Config{
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Config: *libkpod.DefaultConfig(),
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APIConfig: APIConfig{
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Listen: "/var/run/crio.sock",
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StreamAddress: "",
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StreamPort: "10010",
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},
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}
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}
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