copy_templates_util.go

package pkg

import (
	"fmt"
	"os/exec"
	"path/filepath"
)

// Copies template and supporting files to Aerospike config folder from input folder.
// Refreshes Aerospike config map and tries to warm restart Aerospike.
func (initp *InitParams) copyTemplates(source, destination string) error {
	if source == "" {
		return fmt.Errorf("template source volume not specified")
	}

	if destination == "" {
		return fmt.Errorf("template destination volume not specified")
	}

	initp.logger.Info("Installing aerospike.conf", "source", source, "destination", destination)

	filesToCopy := [2]string{"aerospike.template.conf", "peers"}
	for _, file := range filesToCopy {
		path := filepath.Join(source, file)

		cmd := exec.Command("cp", "--dereference", path, destination)
		if err := cmd.Run(); err != nil {
			return err
		}
	}

	return nil
}