108 lines
3.1 KiB
Go
108 lines
3.1 KiB
Go
/*
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Copyright 2015 The Kubernetes 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 rkt
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import (
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"fmt"
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rktapi "github.com/coreos/rkt/api/v1alpha"
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"golang.org/x/net/context"
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)
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// Config stores the global configuration for the rkt runtime.
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// Detailed documents can be found at:
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// https://github.com/coreos/rkt/blob/master/Documentation/commands.md#global-options
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type Config struct {
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// The absolute path to the binary, or leave empty to find it in $PATH.
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Path string
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// The rkt data directory.
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Dir string
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// The image to use as stage1.
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Stage1Image string
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// The debug flag for rkt.
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Debug bool
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// Comma-separated list of security features to disable.
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// Allowed values: "none", "image", "tls", "ondisk", "http", "all".
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InsecureOptions string
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// The local config directory.
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LocalConfigDir string
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// The user config directory.
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UserConfigDir string
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// The system config directory.
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SystemConfigDir string
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}
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// buildGlobalOptions returns an array of global command line options.
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func (c *Config) buildGlobalOptions() []string {
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var result []string
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if c == nil {
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return result
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}
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if c.Debug {
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result = append(result, "--debug=true")
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}
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if c.InsecureOptions != "" {
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result = append(result, fmt.Sprintf("--insecure-options=%s", c.InsecureOptions))
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}
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if c.LocalConfigDir != "" {
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result = append(result, fmt.Sprintf("--local-config=%s", c.LocalConfigDir))
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}
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if c.UserConfigDir != "" {
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result = append(result, fmt.Sprintf("--user-config=%s", c.UserConfigDir))
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}
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if c.SystemConfigDir != "" {
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result = append(result, fmt.Sprintf("--system-config=%s", c.SystemConfigDir))
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}
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if c.Dir != "" {
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result = append(result, fmt.Sprintf("--dir=%s", c.Dir))
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}
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return result
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}
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// getConfig gets configurations from the rkt API service
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// and merge it with the existing config. The merge rule is
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// that the fields in the provided config will override the
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// result that get from the rkt api service.
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func (r *Runtime) getConfig(cfg *Config) (*Config, error) {
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ctx, cancel := context.WithTimeout(context.Background(), r.requestTimeout)
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defer cancel()
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resp, err := r.apisvc.GetInfo(ctx, &rktapi.GetInfoRequest{})
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if err != nil {
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return nil, err
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}
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flags := resp.Info.GlobalFlags
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if flags.Dir != "" {
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cfg.Dir = flags.Dir
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}
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if flags.LocalConfigDir != "" {
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cfg.LocalConfigDir = flags.LocalConfigDir
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}
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if flags.UserConfigDir != "" {
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cfg.UserConfigDir = flags.UserConfigDir
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}
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if flags.SystemConfigDir != "" {
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cfg.SystemConfigDir = flags.SystemConfigDir
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}
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if flags.InsecureFlags != "" {
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cfg.InsecureOptions = fmt.Sprintf("%s,%s", cfg.InsecureOptions, flags.InsecureFlags)
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}
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return cfg, nil
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}
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