databricks-cli/bundle/scripts/scripts.go

80 lines
1.8 KiB
Go

package scripts
import (
"bufio"
"context"
"fmt"
"io"
"strings"
"github.com/databricks/cli/bundle"
"github.com/databricks/cli/bundle/config"
"github.com/databricks/cli/libs/cmdio"
"github.com/databricks/cli/libs/diag"
"github.com/databricks/cli/libs/exec"
"github.com/databricks/cli/libs/log"
)
func Execute(hook config.ScriptHook) bundle.Mutator {
return &script{
scriptHook: hook,
}
}
type script struct {
scriptHook config.ScriptHook
}
func (m *script) Name() string {
return fmt.Sprintf("scripts.%s", m.scriptHook)
}
func (m *script) Apply(ctx context.Context, b *bundle.Bundle) diag.Diagnostics {
executor, err := exec.NewCommandExecutor(b.Config.Path)
if err != nil {
return diag.FromErr(err)
}
cmd, out, err := executeHook(ctx, executor, b, m.scriptHook)
if err != nil {
return diag.FromErr(err)
}
if cmd == nil {
log.Debugf(ctx, "No script defined for %s, skipping", m.scriptHook)
return nil
}
cmdio.LogString(ctx, fmt.Sprintf("Executing '%s' script", m.scriptHook))
reader := bufio.NewReader(out)
line, err := reader.ReadString('\n')
for err == nil {
cmdio.LogString(ctx, strings.TrimSpace(line))
line, err = reader.ReadString('\n')
}
return diag.FromErr(cmd.Wait())
}
func executeHook(ctx context.Context, executor *exec.Executor, b *bundle.Bundle, hook config.ScriptHook) (exec.Command, io.Reader, error) {
command := getCommmand(b, hook)
if command == "" {
return nil, nil, nil
}
cmd, err := executor.StartCommand(ctx, string(command))
if err != nil {
return nil, nil, err
}
return cmd, io.MultiReader(cmd.Stdout(), cmd.Stderr()), nil
}
func getCommmand(b *bundle.Bundle, hook config.ScriptHook) config.Command {
if b.Config.Experimental == nil || b.Config.Experimental.Scripts == nil {
return ""
}
return b.Config.Experimental.Scripts[hook]
}