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bake: add list-variables option

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Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
2024-06-27 22:18:40 -07:00
parent 7460f049f2
commit 233b869c63
6 changed files with 121 additions and 60 deletions
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42
bake/hclparser/hclparser.go
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@ -25,9 +25,11 @@ type Opt struct {
}
type variable struct {
Name string `json:"-" hcl:"name,label"`
Default *hcl.Attribute `json:"default,omitempty" hcl:"default,optional"`
Body hcl.Body `json:"-" hcl:",body"`
Name string `json:"-" hcl:"name,label"`
Default *hcl.Attribute `json:"default,omitempty" hcl:"default,optional"`
Description string `json:"description,omitempty" hcl:"description,optional"`
Body hcl.Body `json:"-" hcl:",body"`
Remain hcl.Body `json:"-" hcl:",remain"`
}
type functionDef struct {
@ -534,7 +536,18 @@ func (p *parser) resolveBlockNames(block *hcl.Block) ([]string, error) {
return names, nil
}
func Parse(b hcl.Body, opt Opt, val interface{}) (map[string]map[string][]string, hcl.Diagnostics) {
type Variable struct {
Name string
Description string
Value *string
}
type ParseMeta struct {
Renamed map[string]map[string][]string
AllVariables []*Variable
}
func Parse(b hcl.Body, opt Opt, val interface{}) (*ParseMeta, hcl.Diagnostics) {
reserved := map[string]struct{}{}
schema, _ := gohcl.ImpliedBodySchema(val)
@ -643,6 +656,7 @@ func Parse(b hcl.Body, opt Opt, val interface{}) (map[string]map[string][]string
}
}
vars := make([]*Variable, 0, len(p.vars))
for k := range p.vars {
if err := p.resolveValue(p.ectx, k); err != nil {
if diags, ok := err.(hcl.Diagnostics); ok {
@ -651,6 +665,21 @@ func Parse(b hcl.Body, opt Opt, val interface{}) (map[string]map[string][]string
r := p.vars[k].Body.MissingItemRange()
return nil, wrapErrorDiagnostic("Invalid value", err, &r, &r)
}
v := &Variable{
Name: p.vars[k].Name,
Description: p.vars[k].Description,
}
if vv := p.ectx.Variables[k]; !vv.IsNull() {
var s string
switch vv.Type() {
case cty.String:
s = vv.AsString()
case cty.Bool:
s = strconv.FormatBool(vv.True())
}
v.Value = &s
}
vars = append(vars, v)
}
for k := range p.funcs {
@ -795,7 +824,10 @@ func Parse(b hcl.Body, opt Opt, val interface{}) (map[string]map[string][]string
}
}
return renamed, nil
return &ParseMeta{
Renamed: renamed,
AllVariables: vars,
}, nil
}
// wrapErrorDiagnostic wraps an error into a hcl.Diagnostics object.