mirror of https://github.com/k3s-io/k3s
74 lines
2.4 KiB
Go
74 lines
2.4 KiB
Go
/*
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Copyright 2020 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 common
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import (
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"os"
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"path/filepath"
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"time"
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"github.com/pkg/errors"
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)
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// ServerConfiguration is the config for connecting to and using a CRI server
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type ServerConfiguration struct {
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// RuntimeEndpoint is CRI server runtime endpoint
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RuntimeEndpoint string
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// ImageEndpoint is CRI server image endpoint
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ImageEndpoint string
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// Timeout of connecting to server
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Timeout time.Duration
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// Debug enable debug output
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Debug bool
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// PullImageOnCreate enables also pulling an image for create requests
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PullImageOnCreate bool
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// DisablePullOnRun disables pulling an image for run requests
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DisablePullOnRun bool
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}
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// GetServerConfigFromFile returns the CRI server configuration from file
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func GetServerConfigFromFile(configFileName, currentDir string) (*ServerConfiguration, error) {
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serverConfig := ServerConfiguration{}
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if _, err := os.Stat(configFileName); err != nil {
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if !os.IsNotExist(err) {
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return nil, errors.Wrap(err, "load config file")
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}
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// If the config file was not found, try looking in the program's
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// directory as a fallback. This is to accommodate where the config file
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// is placed with the cri tools binary.
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configFileName = filepath.Join(filepath.Dir(currentDir), "crictl.yaml")
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if _, err := os.Stat(configFileName); err != nil {
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return nil, errors.Wrap(err, "load config file")
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}
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}
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// Get config from file.
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config, err := ReadConfig(configFileName)
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if err != nil {
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return nil, errors.Wrap(err, "load config file")
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}
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// Set the config from file to the server config struct for return
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serverConfig.RuntimeEndpoint = config.RuntimeEndpoint
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serverConfig.ImageEndpoint = config.ImageEndpoint
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serverConfig.Timeout = time.Duration(config.Timeout) * time.Second
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serverConfig.Debug = config.Debug
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serverConfig.PullImageOnCreate = config.PullImageOnCreate
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serverConfig.DisablePullOnRun = config.DisablePullOnRun
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return &serverConfig, nil
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}
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