80 lines
2.0 KiB
Go
80 lines
2.0 KiB
Go
package command
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import (
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"fmt"
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"strings"
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"github.com/hashicorp/hcl/v2"
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"github.com/hashicorp/hcl/v2/hclsyntax"
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"github.com/hashicorp/terraform/addrs"
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"github.com/hashicorp/terraform/tfdiags"
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)
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// FlagStringKV is a flag.Value implementation for parsing user variables
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// from the command-line in the format of '-var key=value', where value is
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// only ever a primitive.
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type FlagStringKV map[string]string
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func (v *FlagStringKV) String() string {
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return ""
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}
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func (v *FlagStringKV) Set(raw string) error {
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idx := strings.Index(raw, "=")
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if idx == -1 {
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return fmt.Errorf("No '=' value in arg: %s", raw)
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}
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if *v == nil {
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*v = make(map[string]string)
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}
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key, value := raw[0:idx], raw[idx+1:]
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(*v)[key] = value
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return nil
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}
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// FlagStringSlice is a flag.Value implementation for parsing targets from the
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// command line, e.g. -target=aws_instance.foo -target=aws_vpc.bar
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type FlagStringSlice []string
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func (v *FlagStringSlice) String() string {
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return ""
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}
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func (v *FlagStringSlice) Set(raw string) error {
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*v = append(*v, raw)
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return nil
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}
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// FlagTargetSlice is a flag.Value implementation for parsing target addresses
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// from the command line, such as -target=aws_instance.foo -target=aws_vpc.bar .
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type FlagTargetSlice []addrs.Targetable
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func (v *FlagTargetSlice) String() string {
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return ""
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}
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func (v *FlagTargetSlice) Set(raw string) error {
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// FIXME: This is not an ideal way to deal with this because it requires
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// us to do parsing in a context where we can't nicely return errors
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// to the user.
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var diags tfdiags.Diagnostics
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synthFilename := fmt.Sprintf("-target=%q", raw)
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traversal, syntaxDiags := hclsyntax.ParseTraversalAbs([]byte(raw), synthFilename, hcl.Pos{Line: 1, Column: 1})
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diags = diags.Append(syntaxDiags)
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if syntaxDiags.HasErrors() {
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return diags.Err()
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}
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target, targetDiags := addrs.ParseTarget(traversal)
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diags = diags.Append(targetDiags)
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if targetDiags.HasErrors() {
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return diags.Err()
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}
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*v = append(*v, target.Subject)
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return nil
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}
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