Merge pull request #2265 from navendu-pottekkat/navendu-pottekkat/-me…

…sheryctl]/system-reset

[mesheryctl] Make 'system reset' context aware

mesheryctl/internal/cli/root/config/config.go

@@ -16,23 +16,25 @@ type Version struct {
 
 // MesheryCtlConfig is configuration structure of mesheryctl with contexts
 type MesheryCtlConfig struct {
-	Contexts       map[string]Context `yaml:"contexts"`
-	CurrentContext string             `yaml:"current-context"`
-	Tokens         map[string]Token   `yaml:"tokens"`
+	Contexts       map[string]Context `mapstructure:"contexts"`
+	CurrentContext string             `mapstructure:"current-context"`
+	Tokens         map[string]Token   `mapstructure:"tokens"`
 }
 
 // Token defines the structure of Token stored in mesheryctl
 type Token struct {
-	Name     string `yaml:"name"`
-	Location string `yaml:"location"`
+	Name     string `mapstructure:"name"`
+	Location string `mapstructure:"location"`
 }
 
 // Context defines a meshery environment
 type Context struct {
-	Endpoint string   `yaml:"endpoint"`
-	Token    Token    `yaml:"token"`
-	Platform string   `yaml:"platform"`
-	Adapters []string `yaml:"adapters,omitempty"`
+	Endpoint string   `mapstructure:"endpoint,omitempty"`
+	Token    Token    `mapstructure:"token,omitempty"`
+	Platform string   `mapstructure:"platform"`
+	Adapters []string `mapstructure:"adapters,omitempty"`
+	Channel  string   `mapstructure:"channel,omitempty"`
+	Version  string   `mapstructure:"version,omitempty"`
 }
 
 // GetMesheryCtl returns a reference to the mesheryctl configuration object.
@@ -48,7 +50,7 @@ func GetMesheryCtl(v *viper.Viper) (*MesheryCtlConfig, error) {
 
 // CheckIfCurrentContextIsValid checks if current context is valid
 func (mc *MesheryCtlConfig) CheckIfCurrentContextIsValid() (Context, error) {
-	currentContext := viper.GetString("current-context")
+	currentContext := mc.CurrentContext
 	if currentContext == "" {
 		return Context{}, errors.New("current context not set")
 	}

mesheryctl/internal/cli/root/system/reset.go

@@ -17,12 +17,14 @@ package system
 import (
 	"fmt"
 
+	"github.com/layer5io/meshery/mesheryctl/internal/cli/root/config"
 	"github.com/layer5io/meshery/mesheryctl/pkg/utils"
 	"github.com/pkg/errors"
 
 	log "github.com/sirupsen/logrus"
 
 	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
 )
 
 // resetCmd represents the reset command
@@ -38,10 +40,33 @@ var resetCmd = &cobra.Command{
 
 // resets meshery config
 func resetMesheryConfig() error {
-	log.Info("Meshery resetting...")
+	log.Info("Meshery resetting...\n")
+
+	mctlCfg, err := config.GetMesheryCtl(viper.GetViper())
+	if err != nil {
+		return errors.Wrap(err, "error processing config")
+	}
+
+	currentContext := mctlCfg.CurrentContext
+	currChannel := mctlCfg.Contexts[currentContext].Channel
+	currVersion := mctlCfg.Contexts[currentContext].Version
+
+	fileURL := ""
+
+	if currChannel == "edge" {
+		fileURL = "https://raw.githubusercontent.com/layer5io/meshery/master/docker-compose.yaml"
+	} else if currChannel == "stable" {
+		fileURL = "https://raw.githubusercontent.com/layer5io/meshery/" + currVersion + "/docker-compose.yaml"
+	}
+
+	log.Printf("Current Context: %s", currentContext)
+	log.Printf("Channel: %s", currChannel)
+	log.Printf("Version: %s\n", currVersion)
+	log.Printf("Fetching default docker-compose file at version: %s...\n", currVersion)
+
 	if err := utils.DownloadFile(utils.DockerComposeFile, fileURL); err != nil {
 		return errors.Wrapf(err, utils.SystemError(fmt.Sprintf("failed to download %s file from %s", utils.DockerComposeFile, fileURL)))
 	}
-	log.Info("Meshery config (" + utils.DockerComposeFile + ") reset to default settings.")
+	log.Info("...Meshery config (" + utils.DockerComposeFile + ") now reset to default settings.")
 	return nil
 }