mirror of
https://github.com/opentofu/opentofu.git
synced 2024-12-26 08:51:02 -06:00
112 lines
2.2 KiB
Go
112 lines
2.2 KiB
Go
package command
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import (
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"bytes"
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"fmt"
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"sort"
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"strings"
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"sync"
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"github.com/hashicorp/terraform/terraform"
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"github.com/mitchellh/cli"
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"github.com/mitchellh/colorstring"
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)
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type UiHook struct {
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terraform.NilHook
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Colorize *colorstring.Colorize
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Ui cli.Ui
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once sync.Once
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ui cli.Ui
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}
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func (h *UiHook) PreApply(
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id string,
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s *terraform.ResourceState,
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d *terraform.ResourceDiff) (terraform.HookAction, error) {
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h.once.Do(h.init)
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operation := "Modifying..."
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if d.Destroy {
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operation = "Destroying..."
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} else if s.ID == "" {
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operation = "Creating..."
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}
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attrBuf := new(bytes.Buffer)
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// Get all the attributes that are changing, and sort them. Also
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// determine the longest key so that we can align them all.
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keyLen := 0
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keys := make([]string, 0, len(d.Attributes))
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for key, _ := range d.Attributes {
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// Skip the ID since we do that specially
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if key == "id" {
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continue
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}
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keys = append(keys, key)
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if len(key) > keyLen {
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keyLen = len(key)
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}
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}
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sort.Strings(keys)
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// Go through and output each attribute
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for _, attrK := range keys {
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attrDiff := d.Attributes[attrK]
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v := attrDiff.New
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if attrDiff.NewComputed {
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v = "<computed>"
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}
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attrBuf.WriteString(fmt.Sprintf(
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" %s:%s %#v => %#v\n",
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attrK,
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strings.Repeat(" ", keyLen-len(attrK)),
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attrDiff.Old,
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v))
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}
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attrString := strings.TrimSpace(attrBuf.String())
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if attrString != "" {
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attrString = "\n " + attrString
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}
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h.ui.Output(h.Colorize.Color(fmt.Sprintf(
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"[reset][bold]%s: %s[reset_bold]%s",
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id,
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operation,
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attrString)))
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return terraform.HookActionContinue, nil
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}
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func (h *UiHook) PreDiff(
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id string, s *terraform.ResourceState) (terraform.HookAction, error) {
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return terraform.HookActionContinue, nil
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}
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func (h *UiHook) PreRefresh(
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id string, s *terraform.ResourceState) (terraform.HookAction, error) {
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h.once.Do(h.init)
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h.ui.Output(h.Colorize.Color(fmt.Sprintf(
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"[reset][bold]%s: Refreshing (ID: %s)",
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id, s.ID)))
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return terraform.HookActionContinue, nil
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}
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func (h *UiHook) init() {
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if h.Colorize == nil {
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panic("colorize not given")
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}
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// Wrap the ui so that it is safe for concurrency regardless of the
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// underlying reader/writer that is in place.
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h.ui = &cli.ConcurrentUi{Ui: h.Ui}
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}
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