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hooks.go
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hooks.go
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/*
Copyright 2017 WALLIX
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package commands
import (
"fmt"
"os"
"strings"
"github.com/spf13/cobra"
"github.com/wallix/awless/aws"
"github.com/wallix/awless/config"
"github.com/wallix/awless/database"
"github.com/wallix/awless/logger"
"github.com/wallix/awless/sync"
)
func applyHooks(funcs ...func(*cobra.Command, []string) error) func(*cobra.Command, []string) {
return func(cmd *cobra.Command, args []string) {
for _, fn := range funcs {
if err := fn(cmd, args); err != nil {
exitOn(err)
}
}
}
}
func initAwlessEnvHook(cmd *cobra.Command, args []string) error {
if err := config.InitAwlessEnv(); err != nil {
return fmt.Errorf("cannot init awless environment: %s", err)
}
if awsRegionGlobalFlag != "" {
if err := config.SetVolatile(config.RegionConfigKey, awsRegionGlobalFlag); err != nil {
return err
}
} else if envRegion := os.Getenv("AWS_DEFAULT_REGION"); envRegion != "" {
if err := config.SetVolatile(config.RegionConfigKey, envRegion); err != nil {
return err
}
}
if awsProfileGlobalFlag != "" {
if err := config.SetVolatile(config.ProfileConfigKey, awsProfileGlobalFlag); err != nil {
return err
}
} else if envProfile := os.Getenv("AWS_DEFAULT_PROFILE"); envProfile != "" {
if err := config.SetVolatile(config.ProfileConfigKey, envProfile); err != nil {
return err
}
}
return nil
}
func initCloudServicesHook(cmd *cobra.Command, args []string) error {
if localGlobalFlag {
return nil
}
awsConf := config.GetConfigWithPrefix("aws.")
logger.Verbosef("loading AWS session with profile '%s' and region '%s'", awsConf[config.ProfileConfigKey], awsConf[config.RegionConfigKey])
if err := aws.InitServices(awsConf, logger.DefaultLogger); err != nil {
return err
}
return nil
}
func initSyncerHook(cmd *cobra.Command, args []string) error {
sync.DefaultSyncer = sync.NewSyncer(logger.DefaultLogger)
return nil
}
func initLoggerHook(cmd *cobra.Command, args []string) error {
var flag int
if verboseGlobalFlag {
flag = logger.VerboseF
}
if extraVerboseGlobalFlag {
flag = flag | logger.ExtraVerboseF
}
logger.DefaultLogger.SetVerbose(flag)
return nil
}
func saveHistoryHook(cmd *cobra.Command, args []string) error {
database.Execute(func(db *database.DB) error {
db.AddHistoryCommand(append(strings.Split(cmd.CommandPath(), " "), args...))
return nil
})
return nil
}
func verifyNewVersionHook(cmd *cobra.Command, args []string) error {
config.VerifyNewVersionAvailable("https://updates.awless.io", os.Stderr)
return nil
}