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Merge pull request #29482 from hashicorp/jbardin/computed-obj-attrs

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Computed values within nested object types in `AssertPlanValid`
pull/29296/head^2
James Bardin 5 years ago committed by GitHub
parent 48859417fa f195ce7fd4
commit 7c02ef6220
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 279 additions and 87 deletions
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136
internal/plans/objchange/plan_valid.go
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@ -39,11 +39,11 @@ func AssertPlanValid(schema *configschema.Block, priorState, config, plannedStat
func assertPlanValid(schema *configschema.Block, priorState, config, plannedState cty.Value, path cty.Path) []error {
var errs []error
if plannedState.IsNull() && !config.IsNull() {
errs = append(errs, path.NewErrorf("planned for absense but config wants existence"))
errs = append(errs, path.NewErrorf("planned for absence but config wants existence"))
return errs
}
if config.IsNull() && !plannedState.IsNull() {
errs = append(errs, path.NewErrorf("planned for existence but config wants absense"))
errs = append(errs, path.NewErrorf("planned for existence but config wants absence"))
return errs
}
if plannedState.IsNull() {
@ -286,6 +286,11 @@ func assertPlannedValueValid(attrS *configschema.Attribute, priorV, configV, pla
}
return errs
}
} else {
if attrS.Computed {
errs = append(errs, path.NewErrorf("configuration present for computed attribute"))
return errs
}
}
// If this attribute has a NestedType, validate the nested object
@ -317,11 +322,11 @@ func assertPlannedObjectValid(schema *configschema.Object, prior, config, planne
var errs []error
if planned.IsNull() && !config.IsNull() {
errs = append(errs, path.NewErrorf("planned for absense but config wants existence"))
errs = append(errs, path.NewErrorf("planned for absence but config wants existence"))
return errs
}
if config.IsNull() && !planned.IsNull() {
errs = append(errs, path.NewErrorf("planned for existence but config wants absense"))
errs = append(errs, path.NewErrorf("planned for existence but config wants absence"))
return errs
}
if planned.IsNull() {
@ -349,10 +354,6 @@ func assertPlannedObjectValid(schema *configschema.Object, prior, config, planne
for it := planned.ElementIterator(); it.Next(); {
idx, plannedEV := it.Element()
path := append(path, cty.IndexStep{Key: idx})
if !plannedEV.IsKnown() {
errs = append(errs, path.NewErrorf("element representing nested block must not be unknown itself; set nested attribute values to unknown instead"))
continue
}
if !config.HasIndex(idx).True() {
continue // should never happen since we checked the lengths above
}
@ -368,94 +369,55 @@ func assertPlannedObjectValid(schema *configschema.Object, prior, config, planne
case configschema.NestingMap:
// A NestingMap might either be a map or an object, depending on
// whether there are dynamically-typed attributes inside, but
// that's decided statically and so all values will have the same
// kind.
if planned.Type().IsObjectType() {
plannedAtys := planned.Type().AttributeTypes()
configAtys := config.Type().AttributeTypes()
for k := range plannedAtys {
if _, ok := configAtys[k]; !ok {
errs = append(errs, path.NewErrorf("block key %q from plan is not present in config", k))
continue
}
path := append(path, cty.GetAttrStep{Name: k})
// whether there are dynamically-typed attributes inside, so we will
// break these down to maps to handle them both in the same manner.
plannedVals := map[string]cty.Value{}
configVals := map[string]cty.Value{}
priorVals := map[string]cty.Value{}
if !planned.IsNull() {
plannedVals = planned.AsValueMap()
}
if !config.IsNull() {
configVals = config.AsValueMap()
}
if !prior.IsNull() {
priorVals = prior.AsValueMap()
}
plannedEV := planned.GetAttr(k)
if !plannedEV.IsKnown() {
errs = append(errs, path.NewErrorf("element representing nested block must not be unknown itself; set nested attribute values to unknown instead"))
continue
}
configEV := config.GetAttr(k)
priorEV := cty.NullVal(schema.ImpliedType())
if !prior.IsNull() && prior.Type().HasAttribute(k) {
priorEV = prior.GetAttr(k)
}
moreErrs := assertPlannedAttrsValid(schema.Attributes, priorEV, configEV, plannedEV, path)
errs = append(errs, moreErrs...)
}
for k := range configAtys {
if _, ok := plannedAtys[k]; !ok {
errs = append(errs, path.NewErrorf("block key %q from config is not present in plan", k))
continue
}
}
} else {
plannedL := planned.LengthInt()
configL := config.LengthInt()
if plannedL != configL {
errs = append(errs, path.NewErrorf("block count in plan (%d) disagrees with count in config (%d)", plannedL, configL))
return errs
for k, plannedEV := range plannedVals {
configEV, ok := configVals[k]
if !ok {
errs = append(errs, path.NewErrorf("map key %q from plan is not present in config", k))
continue
}
for it := planned.ElementIterator(); it.Next(); {
idx, plannedEV := it.Element()
path := append(path, cty.IndexStep{Key: idx})
if !plannedEV.IsKnown() {
errs = append(errs, path.NewErrorf("element representing nested block must not be unknown itself; set nested attribute values to unknown instead"))
continue
}
k := idx.AsString()
if !config.HasIndex(idx).True() {
errs = append(errs, path.NewErrorf("block key %q from plan is not present in config", k))
continue
}
configEV := config.Index(idx)
priorEV := cty.NullVal(schema.ImpliedType())
if !prior.IsNull() && prior.HasIndex(idx).True() {
priorEV = prior.Index(idx)
}
moreErrs := assertPlannedObjectValid(schema, priorEV, configEV, plannedEV, path)
errs = append(errs, moreErrs...)
path := append(path, cty.GetAttrStep{Name: k})
priorEV, ok := priorVals[k]
if !ok {
priorEV = cty.NullVal(schema.ImpliedType())
}
for it := config.ElementIterator(); it.Next(); {
idx, _ := it.Element()
if !planned.HasIndex(idx).True() {
errs = append(errs, path.NewErrorf("block key %q from config is not present in plan", idx.AsString()))
continue
}
moreErrs := assertPlannedAttrsValid(schema.Attributes, priorEV, configEV, plannedEV, path)
errs = append(errs, moreErrs...)
}
for k := range configVals {
if _, ok := plannedVals[k]; !ok {
errs = append(errs, path.NewErrorf("map key %q from config is not present in plan", k))
continue
}
}
case configschema.NestingSet:
plannedL := planned.LengthInt()
configL := config.LengthInt()
if plannedL != configL {
errs = append(errs, path.NewErrorf("count in plan (%d) disagrees with count in config (%d)", plannedL, configL))
return errs
}
// Because set elements have no identifier with which to correlate
// them, we can't robustly validate the plan for a nested block
// them, we can't robustly validate the plan for a nested object
// backed by a set, and so unfortunately we need to just trust the
// provider to do the right thing. :(
//
// (In principle we could correlate elements by matching the
// subset of attributes explicitly set in config, except for the
// special diff suppression rule which allows for there to be a
// planned value that is constructed by mixing part of a prior
// value with part of a config value, creating an entirely new
// element that is not present in either prior nor config.)
for it := planned.ElementIterator(); it.Next(); {
idx, plannedEV := it.Element()
path := append(path, cty.IndexStep{Key: idx})
if !plannedEV.IsKnown() {
errs = append(errs, path.NewErrorf("element representing nested block must not be unknown itself; set nested attribute values to unknown instead"))
continue
}
}
// provider to do the right thing.
}
return errs

230
internal/plans/objchange/plan_valid_test.go
Unescape View File

@ -1222,6 +1222,236 @@ func TestAssertPlanValid(t *testing.T) {
}),
[]string{`.bloop: planned value cty.ListVal([]cty.Value{cty.ObjectVal(map[string]cty.Value{"blop":cty.StringVal("ok")})}) for a non-computed attribute`},
},
"computed within nested objects": {
&configschema.Block{
Attributes: map[string]*configschema.Attribute{
"map": {
NestedType: &configschema.Object{
Nesting: configschema.NestingMap,
Attributes: map[string]*configschema.Attribute{
"name": {
Type: cty.String,
Computed: true,
},
},
},
},
// When an object has dynamic attrs, the map may be
// handled as an object.
"map_as_obj": {
NestedType: &configschema.Object{
Nesting: configschema.NestingMap,
Attributes: map[string]*configschema.Attribute{
"name": {
Type: cty.String,
Computed: true,
},
},
},
},
"list": {
NestedType: &configschema.Object{
Nesting: configschema.NestingList,
Attributes: map[string]*configschema.Attribute{
"name": {
Type: cty.String,
Computed: true,
},
},
},
},
"set": {
NestedType: &configschema.Object{
Nesting: configschema.NestingSet,
Attributes: map[string]*configschema.Attribute{
"name": {
Type: cty.String,
Computed: true,
},
},
},
},
"single": {
NestedType: &configschema.Object{
Nesting: configschema.NestingSingle,
Attributes: map[string]*configschema.Attribute{
"name": {
Type: cty.DynamicPseudoType,
Computed: true,
},
},
},
},
},
},
cty.NullVal(cty.Object(map[string]cty.Type{
"map": cty.Map(cty.Object(map[string]cty.Type{
"name": cty.String,
})),
"map_as_obj": cty.Map(cty.Object(map[string]cty.Type{
"name": cty.DynamicPseudoType,
})),
"list": cty.List(cty.Object(map[string]cty.Type{
"name": cty.String,
})),
"set": cty.Set(cty.Object(map[string]cty.Type{
"name": cty.String,
})),
"single": cty.Object(map[string]cty.Type{
"name": cty.String,
}),
})),
cty.ObjectVal(map[string]cty.Value{
"map": cty.MapVal(map[string]cty.Value{
"one": cty.ObjectVal(map[string]cty.Value{
"name": cty.NullVal(cty.String),
}),
}),
"map_as_obj": cty.MapVal(map[string]cty.Value{
"one": cty.ObjectVal(map[string]cty.Value{
"name": cty.NullVal(cty.DynamicPseudoType),
}),
}),
"list": cty.ListVal([]cty.Value{
cty.ObjectVal(map[string]cty.Value{
"name": cty.NullVal(cty.String),
}),
}),
"set": cty.SetVal([]cty.Value{
cty.ObjectVal(map[string]cty.Value{
"name": cty.NullVal(cty.String),
}),
}),
"single": cty.ObjectVal(map[string]cty.Value{
"name": cty.NullVal(cty.String),
}),
}),
cty.ObjectVal(map[string]cty.Value{
"map": cty.MapVal(map[string]cty.Value{
"one": cty.ObjectVal(map[string]cty.Value{
"name": cty.NullVal(cty.String),
}),
}),
"map_as_obj": cty.ObjectVal(map[string]cty.Value{
"one": cty.ObjectVal(map[string]cty.Value{
"name": cty.StringVal("computed"),
}),
}),
"list": cty.ListVal([]cty.Value{
cty.ObjectVal(map[string]cty.Value{
"name": cty.NullVal(cty.String),
}),
}),
"set": cty.SetVal([]cty.Value{
cty.ObjectVal(map[string]cty.Value{
"name": cty.NullVal(cty.String),
}),
}),
"single": cty.ObjectVal(map[string]cty.Value{
"name": cty.NullVal(cty.String),
}),
}),
nil,
},
"computed nested objects": {
&configschema.Block{
Attributes: map[string]*configschema.Attribute{
"map": {
NestedType: &configschema.Object{
Nesting: configschema.NestingMap,
Attributes: map[string]*configschema.Attribute{
"name": {
Type: cty.String,
},
},
},
Computed: true,
},
"list": {
NestedType: &configschema.Object{
Nesting: configschema.NestingList,
Attributes: map[string]*configschema.Attribute{
"name": {
Type: cty.String,
},
},
},
Computed: true,
},
"set": {
NestedType: &configschema.Object{
Nesting: configschema.NestingSet,
Attributes: map[string]*configschema.Attribute{
"name": {
Type: cty.String,
},
},
},
Computed: true,
},
"single": {
NestedType: &configschema.Object{
Nesting: configschema.NestingSingle,
Attributes: map[string]*configschema.Attribute{
"name": {
Type: cty.DynamicPseudoType,
},
},
},
Computed: true,
},
},
},
cty.NullVal(cty.Object(map[string]cty.Type{
"map": cty.Map(cty.Object(map[string]cty.Type{
"name": cty.String,
})),
"list": cty.List(cty.Object(map[string]cty.Type{
"name": cty.String,
})),
"set": cty.Set(cty.Object(map[string]cty.Type{
"name": cty.String,
})),
"single": cty.Object(map[string]cty.Type{
"name": cty.String,
}),
})),
cty.ObjectVal(map[string]cty.Value{
"map": cty.NullVal(cty.Map(cty.Object(map[string]cty.Type{
"name": cty.String,
}))),
"list": cty.NullVal(cty.List(cty.Object(map[string]cty.Type{
"name": cty.String,
}))),
"set": cty.NullVal(cty.Set(cty.Object(map[string]cty.Type{
"name": cty.String,
}))),
"single": cty.NullVal(cty.Object(map[string]cty.Type{
"name": cty.String,
})),
}),
cty.ObjectVal(map[string]cty.Value{
"map": cty.MapVal(map[string]cty.Value{
"one": cty.UnknownVal(cty.Object(map[string]cty.Type{
"name": cty.String,
})),
}),
"list": cty.ListVal([]cty.Value{
cty.UnknownVal(cty.Object(map[string]cty.Type{
"name": cty.String,
})),
}),
"set": cty.SetVal([]cty.Value{
cty.UnknownVal(cty.Object(map[string]cty.Type{
"name": cty.String,
})),
}),
"single": cty.UnknownVal(cty.Object(map[string]cty.Type{
"name": cty.String,
})),
}),
nil,
},
}
for name, test := range tests {

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