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21bb677db7
* change -> diff, value -> change * also update readme# * Update internal/command/jsonformat/computed/diff.go Co-authored-by: Alisdair McDiarmid <alisdair@users.noreply.github.com> * add interface assertions for diff renderers Co-authored-by: Alisdair McDiarmid <alisdair@users.noreply.github.com>
87 lines
2.6 KiB
Go
87 lines
2.6 KiB
Go
package renderers
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import (
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"bytes"
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"fmt"
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"sort"
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"github.com/hashicorp/terraform/internal/command/jsonformat/computed"
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"github.com/hashicorp/terraform/internal/command/format"
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"github.com/hashicorp/terraform/internal/plans"
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)
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var _ computed.DiffRenderer = (*objectRenderer)(nil)
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func Object(attributes map[string]computed.Diff) computed.DiffRenderer {
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return &objectRenderer{
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attributes: attributes,
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overrideNullSuffix: true,
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}
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}
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func NestedObject(attributes map[string]computed.Diff) computed.DiffRenderer {
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return &objectRenderer{
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attributes: attributes,
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overrideNullSuffix: false,
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}
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}
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type objectRenderer struct {
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NoWarningsRenderer
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attributes map[string]computed.Diff
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overrideNullSuffix bool
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}
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func (renderer objectRenderer) RenderHuman(diff computed.Diff, indent int, opts computed.RenderHumanOpts) string {
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if len(renderer.attributes) == 0 {
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return fmt.Sprintf("{}%s%s", nullSuffix(opts.OverrideNullSuffix, diff.Action), forcesReplacement(diff.Replace))
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}
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attributeOpts := opts.Clone()
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attributeOpts.OverrideNullSuffix = renderer.overrideNullSuffix
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// We need to keep track of our keys in two ways. The first is the order in
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// which we will display them. The second is a mapping to their safely
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// escaped equivalent.
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maximumKeyLen := 0
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var keys []string
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escapedKeys := make(map[string]string)
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for key := range renderer.attributes {
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keys = append(keys, key)
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escapedKey := ensureValidAttributeName(key)
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escapedKeys[key] = escapedKey
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if maximumKeyLen < len(escapedKey) {
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maximumKeyLen = len(escapedKey)
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}
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}
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sort.Strings(keys)
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unchangedAttributes := 0
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var buf bytes.Buffer
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buf.WriteString(fmt.Sprintf("{%s\n", forcesReplacement(diff.Replace)))
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for _, key := range keys {
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attribute := renderer.attributes[key]
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if attribute.Action == plans.NoOp && !opts.ShowUnchangedChildren {
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// Don't render NoOp operations when we are compact display.
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unchangedAttributes++
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continue
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}
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for _, warning := range attribute.WarningsHuman(indent + 1) {
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buf.WriteString(fmt.Sprintf("%s%s\n", formatIndent(indent+1), warning))
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}
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buf.WriteString(fmt.Sprintf("%s%s %-*s = %s\n", formatIndent(indent+1), format.DiffActionSymbol(attribute.Action), maximumKeyLen, escapedKeys[key], attribute.RenderHuman(indent+1, attributeOpts)))
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}
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if unchangedAttributes > 0 {
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buf.WriteString(fmt.Sprintf("%s%s %s\n", formatIndent(indent+1), format.DiffActionSymbol(plans.NoOp), unchanged("attribute", unchangedAttributes)))
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}
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buf.WriteString(fmt.Sprintf("%s%s }%s", formatIndent(indent), format.DiffActionSymbol(plans.NoOp), nullSuffix(opts.OverrideNullSuffix, diff.Action)))
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return buf.String()
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}
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