d7101bcb2c
Move code from environment module to util and document modules to prevent circular dependencies. Relates-To: #264 Change-Id: Ifec9ab3f1ada01cc662e655ff4a6f2cfebe4150a
124 lines
3.8 KiB
Go
124 lines
3.8 KiB
Go
/*
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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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https://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 environment
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import (
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"os"
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"path/filepath"
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"github.com/spf13/cobra"
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"k8s.io/client-go/tools/clientcmd"
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"opendev.org/airship/airshipctl/pkg/config"
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"opendev.org/airship/airshipctl/pkg/log"
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"opendev.org/airship/airshipctl/pkg/util"
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)
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// AirshipCTLSettings is a container for all of the settings needed by airshipctl
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type AirshipCTLSettings struct {
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// Debug is used for verbose output
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Debug bool
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AirshipConfigPath string
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KubeConfigPath string
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Create bool
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Config *config.Config
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}
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// InitFlags adds the default settings flags to cmd
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func (a *AirshipCTLSettings) InitFlags(cmd *cobra.Command) {
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flags := cmd.PersistentFlags()
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flags.BoolVar(
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&a.Debug,
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"debug",
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false,
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"enable verbose output")
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defaultAirshipConfigDir := filepath.Join(HomeEnvVar, config.AirshipConfigDir)
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defaultAirshipConfigPath := filepath.Join(defaultAirshipConfigDir, config.AirshipConfig)
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flags.StringVar(
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&a.AirshipConfigPath,
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"airshipconf",
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"",
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`Path to file for airshipctl configuration. (default "`+defaultAirshipConfigPath+`")`)
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defaultKubeConfigPath := filepath.Join(defaultAirshipConfigDir, config.AirshipKubeConfig)
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flags.StringVar(
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&a.KubeConfigPath,
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clientcmd.RecommendedConfigPathFlag,
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"",
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`Path to kubeconfig associated with airshipctl configuration. (default "`+defaultKubeConfigPath+`")`)
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a.Create = false
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}
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// InitConfig - Initializes and loads Config if exists.
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func (a *AirshipCTLSettings) InitConfig() {
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a.Config = config.NewConfig()
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a.InitAirshipConfigPath()
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a.InitKubeConfigPath()
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err := a.Config.LoadConfig(a.AirshipConfigPath, a.KubeConfigPath, a.Create)
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if err != nil {
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// Should stop airshipctl
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log.Fatal("Failed to load or initialize config: ", err)
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}
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}
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// InitAirshipConfigPath - Initializes AirshipConfigPath variable for Config object
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func (a *AirshipCTLSettings) InitAirshipConfigPath() {
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// The airshipConfigPath may already have been received as a command line argument
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if a.AirshipConfigPath != "" {
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return
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}
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// Otherwise, we can check if we got the path via ENVIRONMENT variable
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a.AirshipConfigPath = os.Getenv(config.AirshipConfigEnv)
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if a.AirshipConfigPath != "" {
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return
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}
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// Otherwise, we'll try putting it in the home directory
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homeDir := util.UserHomeDir()
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a.AirshipConfigPath = filepath.Join(homeDir, config.AirshipConfigDir, config.AirshipConfig)
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}
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// InitKubeConfigPath - Initializes KubeConfigPath variable for Config object
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func (a *AirshipCTLSettings) InitKubeConfigPath() {
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// NOTE(howell): This function will set the kubeConfigPath to the
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// default location under the airship directory unless the user
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// *explicitly* specifies a different location, either by setting the
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// ENVIRONMENT variable or by passing a command line argument.
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// This avoids messing up the user's kubeconfig if they didn't
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// explicitly want airshipctl to use it.
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// The kubeConfigPath may already have been received as a command line argument
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if a.KubeConfigPath != "" {
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return
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}
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// Otherwise, we can check if we got the path via ENVIRONMENT variable
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a.KubeConfigPath = os.Getenv(config.AirshipKubeConfigEnv)
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if a.KubeConfigPath != "" {
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return
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}
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// Otherwise, we'll try putting it in the home directory
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homeDir := util.UserHomeDir()
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a.KubeConfigPath = filepath.Join(homeDir, config.AirshipConfigDir, config.AirshipKubeConfig)
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}
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