102 lines
3.0 KiB
Go
102 lines
3.0 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package server
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import (
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"github.com/BurntSushi/toml"
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"github.com/containerd/containerd/errdefs"
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"github.com/pkg/errors"
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)
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// Config provides containerd configuration data for the server
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type Config struct {
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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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// State is the path to a directory where containerd will store transient data
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State string `toml:"state"`
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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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// DisabledPlugins are IDs of plugins to disable. Disabled plugins won't be
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// initialized and started.
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DisabledPlugins []string `toml:"disabled_plugins"`
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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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// OOMScore adjust the containerd's oom score
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OOMScore int `toml:"oom_score"`
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// Cgroup specifies cgroup information for the containerd daemon process
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Cgroup CgroupConfig `toml:"cgroup"`
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md toml.MetaData
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}
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// GRPCConfig provides GRPC configuration for the socket
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type GRPCConfig struct {
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Address string `toml:"address"`
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UID int `toml:"uid"`
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GID int `toml:"gid"`
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MaxRecvMsgSize int `toml:"max_recv_message_size"`
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MaxSendMsgSize int `toml:"max_send_message_size"`
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}
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// Debug provides debug configuration
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type Debug struct {
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Address string `toml:"address"`
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UID int `toml:"uid"`
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GID int `toml:"gid"`
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Level string `toml:"level"`
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}
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// MetricsConfig provides metrics configuration
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type MetricsConfig struct {
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Address string `toml:"address"`
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GRPCHistogram bool `toml:"grpc_histogram"`
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}
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// CgroupConfig provides cgroup configuration
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type CgroupConfig struct {
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Path string `toml:"path"`
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}
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// Decode unmarshals a plugin specific configuration by plugin id
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func (c *Config) Decode(id string, v interface{}) (interface{}, error) {
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data, ok := c.Plugins[id]
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if !ok {
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return v, nil
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}
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if err := c.md.PrimitiveDecode(data, v); err != nil {
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return nil, err
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}
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return v, nil
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}
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// LoadConfig loads the containerd server config from the provided path
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func LoadConfig(path string, v *Config) error {
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if v == nil {
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return errors.Wrapf(errdefs.ErrInvalidArgument, "argument v must not be nil")
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}
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md, err := toml.DecodeFile(path, v)
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if err != nil {
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return err
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}
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v.md = md
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return nil
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}
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