Package listvalidator provides validators for types.List attributes and function parameters.
This section is empty.
This section is empty.
All returns a validator which ensures that any configured attribute value attribute value validates against all the given validators.
Use of All is only necessary when used in conjunction with Any or AnyWithAllWarnings as the Validators field automatically applies a logical AND.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
ElementType: types.StringType,
Required: true,
Validators: []validator.List{
// Validate this List value must either be:
// - More than 5 elements
// - At least 2 elements, but not more than 3 elements
listvalidator.Any(
listvalidator.SizeAtLeast(5),
listvalidator.All(
listvalidator.SizeAtLeast(2),
listvalidator.SizeAtMost(3),
),
),
},
},
},
}
}
AlsoRequires checks that a set of path.Expression has a non-null value, if the current attribute or block also has a non-null value.
This implements the validation logic declaratively within the schema. Refer to [datasourcevalidator.RequiredTogether], [providervalidator.RequiredTogether], or [resourcevalidator.RequiredTogether] for declaring this type of validation outside the schema definition.
Relative path.Expression will be resolved using the attribute or block being validated.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/path"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
ElementType: types.StringType,
Optional: true,
Validators: []validator.List{
// Validate this attribute must be configured with other_attr.
listvalidator.AlsoRequires(path.Expressions{
path.MatchRoot("other_attr"),
}...),
},
},
"other_attr": schema.StringAttribute{
Optional: true,
},
},
}
}
Any returns a validator which ensures that any configured attribute value passes at least one of the given validators.
To prevent practitioner confusion should non-passing validators have conflicting logic, only warnings from the passing validator are returned. Use AnyWithAllWarnings() to return warnings from non-passing validators as well.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
Required: true,
Validators: []validator.List{
// Validate this List value must either be:
// - Between 1 and 2 elements
// - At least 4 elements
listvalidator.Any(
listvalidator.SizeBetween(1, 2),
listvalidator.SizeAtLeast(4),
),
},
},
},
}
}
AnyWithAllWarnings returns a validator which ensures that any configured attribute value passes at least one of the given validators. This validator returns all warnings, including failed validators.
Use Any() to return warnings only from the passing validator.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
Required: true,
Validators: []validator.List{
// Validate this List value must either be:
// - Between 1 and 2 elements
// - At least 4 elements
listvalidator.AnyWithAllWarnings(
listvalidator.SizeBetween(1, 2),
listvalidator.SizeAtLeast(4),
),
},
},
},
}
}
AtLeastOneOf checks that of a set of path.Expression, including the attribute or block this validator is applied to, at least one has a non-null value.
This implements the validation logic declaratively within the tfsdk.Schema. Refer to [datasourcevalidator.AtLeastOneOf], [providervalidator.AtLeastOneOf], or [resourcevalidator.AtLeastOneOf] for declaring this type of validation outside the schema definition.
Any relative path.Expression will be resolved using the attribute or block being validated.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/path"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
ElementType: types.StringType,
Optional: true,
Validators: []validator.List{
// Validate at least this attribute or other_attr should be configured.
listvalidator.AtLeastOneOf(path.Expressions{
path.MatchRoot("other_attr"),
}...),
},
},
"other_attr": schema.StringAttribute{
Optional: true,
},
},
}
}
ConflictsWith checks that a set of path.Expression, including the attribute or block the validator is applied to, do not have a value simultaneously.
This implements the validation logic declaratively within the schema. Refer to [datasourcevalidator.Conflicting], [providervalidator.Conflicting], or [resourcevalidator.Conflicting] for declaring this type of validation outside the schema definition.
Relative path.Expression will be resolved using the attribute or block being validated.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/path"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
ElementType: types.StringType,
Optional: true,
Validators: []validator.List{
// Validate this attribute must not be configured with other_attr.
listvalidator.ConflictsWith(path.Expressions{
path.MatchRoot("other_attr"),
}...),
},
},
"other_attr": schema.StringAttribute{
Optional: true,
},
},
}
}
ExactlyOneOf checks that of a set of path.Expression, including the attribute or block the validator is applied to, one and only one attribute has a value. It will also cause a validation error if none are specified.
This implements the validation logic declaratively within the schema. Refer to [datasourcevalidator.ExactlyOneOf], [providervalidator.ExactlyOneOf], or [resourcevalidator.ExactlyOneOf] for declaring this type of validation outside the schema definition.
Relative path.Expression will be resolved using the attribute or block being validated.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/path"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
ElementType: types.StringType,
Optional: true,
Validators: []validator.List{
// Validate only this attribute or other_attr is configured.
listvalidator.ExactlyOneOf(path.Expressions{
path.MatchRoot("other_attr"),
}...),
},
},
"other_attr": schema.StringAttribute{
Optional: true,
},
},
}
}
IsRequired returns a validator which ensures that any configured list has a value (not null).
This validator is equivalent to the `Required` field on attributes and is only practical for use with `schema.ListNestedBlock`
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Blocks: map[string]schema.Block{
"example_block": schema.ListNestedBlock{
Validators: []validator.List{
// Validate this block has a value (not null).
listvalidator.IsRequired(),
},
NestedObject: schema.NestedBlockObject{
Attributes: map[string]schema.Attribute{
"example_string_attribute": schema.StringAttribute{
Required: true,
},
},
},
},
},
}
}
func NoNullValues() noNullValuesValidator
NoNullValues returns a validator which ensures that any configured list only contains non-null values.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
ElementType: types.StringType,
Required: true,
Validators: []validator.List{
// Validate this list must contain no null values.
listvalidator.NoNullValues(),
},
},
},
}
}
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/function"
)
func main() {
_ = function.Definition{
Parameters: []function.Parameter{
function.ListParameter{
Name: "example_param",
Validators: []function.ListParameterValidator{
// Validate this list must contain no null values.
listvalidator.NoNullValues(),
},
},
},
}
}
PreferWriteOnlyAttribute returns a warning if the Terraform client supports write-only attributes, and the attribute that the validator is applied to has a value. It takes in a path.Expression that represents the write-only attribute schema location, and the warning message will indicate that the write-only attribute should be preferred.
This validator should only be used for resource attributes as other schema types do not support write-only attributes.
This implements the validation logic declaratively within the schema. Refer to [resourcevalidator.PreferWriteOnlyAttribute] for declaring this type of validation outside the schema definition.
NOTE: This validator will produce persistent warnings for practitioners on every Terraform run as long as the specified non-write-only attribute has a value in the configuration. The validator will also produce warnings for users of shared modules who cannot immediately take action on the warning.
package main
import (
"github.com/hashicorp/terraform-plugin-framework/path"
"github.com/hashicorp/terraform-plugin-framework/resource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
)
func main() {
// Used within a Schema method of a Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
ElementType: types.StringType,
Optional: true,
Validators: []validator.List{
// Throws a warning diagnostic encouraging practitioners to use
// write_only_attr if example_attr has a value.
listvalidator.PreferWriteOnlyAttribute(
path.MatchRoot("write_only_attr"),
),
},
},
"write_only_attr": schema.ListAttribute{
ElementType: types.StringType,
WriteOnly: true,
Optional: true,
},
},
}
}
func SizeAtLeast(minVal int) sizeAtLeastValidator
SizeAtLeast returns an AttributeValidator which ensures that any configured attribute or function parameter value:
Null (unconfigured) and unknown (known after apply) values are skipped.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
ElementType: types.StringType,
Required: true,
Validators: []validator.List{
// Validate this list must contain at least 2 elements.
listvalidator.SizeAtLeast(2),
},
},
},
}
}
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/function"
)
func main() {
_ = function.Definition{
Parameters: []function.Parameter{
function.ListParameter{
Name: "example_param",
Validators: []function.ListParameterValidator{
// Validate this list must contain at least 2 elements.
listvalidator.SizeAtLeast(2),
},
},
},
}
}
func SizeAtMost(maxVal int) sizeAtMostValidator
SizeAtMost returns an AttributeValidator which ensures that any configured attribute or function parameter value:
Null (unconfigured) and unknown (known after apply) values are skipped.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
ElementType: types.StringType,
Required: true,
Validators: []validator.List{
// Validate this list must contain at most 2 elements.
listvalidator.SizeAtMost(2),
},
},
},
}
}
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/function"
)
func main() {
_ = function.Definition{
Parameters: []function.Parameter{
function.ListParameter{
Name: "example_param",
Validators: []function.ListParameterValidator{
// Validate this list must contain at most 2 elements.
listvalidator.SizeAtMost(2),
},
},
},
}
}
func SizeBetween(minVal, maxVal int) sizeBetweenValidator
SizeBetween returns an AttributeValidator which ensures that any configured attribute or function parameter value:
Null (unconfigured) and unknown (known after apply) values are skipped.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
ElementType: types.StringType,
Required: true,
Validators: []validator.List{
// Validate this list must contain at least 2 and at most 4 elements.
listvalidator.SizeBetween(2, 4),
},
},
},
}
}
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/function"
)
func main() {
_ = function.Definition{
Parameters: []function.Parameter{
function.ListParameter{
Name: "example_param",
Validators: []function.ListParameterValidator{
// Validate this list must contain at least 2 and at most 4 elements.
listvalidator.SizeBetween(2, 4),
},
},
},
}
}
func UniqueValues() uniqueValuesValidator
UniqueValues returns a validator which ensures that any configured list only contains unique values. This is similar to using a set attribute type which inherently validates unique values, but with list ordering semantics. Null (unconfigured) and unknown (known after apply) values are skipped.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
ElementType: types.StringType,
Required: true,
Validators: []validator.List{
// Validate this list must contain only unique values.
listvalidator.UniqueValues(),
},
},
},
}
}
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/function"
)
func main() {
_ = function.Definition{
Parameters: []function.Parameter{
function.ListParameter{
Name: "example_param",
Validators: []function.ListParameterValidator{
// Validate this list must contain only unique values.
listvalidator.UniqueValues(),
},
},
},
}
}
ValueFloat32sAre returns an validator which ensures that any configured Float32 values passes each Float32 validator.
Null (unconfigured) and unknown (known after apply) values are skipped.
package main
import (
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
"github.com/hashicorp/terraform-plugin-framework-validators/float32validator"
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
ElementType: types.Float32Type,
Required: true,
Validators: []validator.List{
// Validate this List must contain Float32 values which are at least 1.2.
listvalidator.ValueFloat32sAre(float32validator.AtLeast(1.2)),
},
},
},
}
}
ValueFloat64sAre returns an validator which ensures that any configured Float64 values passes each Float64 validator.
Null (unconfigured) and unknown (known after apply) values are skipped.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/float64validator"
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
ElementType: types.Float64Type,
Required: true,
Validators: []validator.List{
// Validate this List must contain Float64 values which are at least 1.2.
listvalidator.ValueFloat64sAre(float64validator.AtLeast(1.2)),
},
},
},
}
}
ValueInt32sAre returns an validator which ensures that any configured Int32 values passes each Int32 validator.
Null (unconfigured) and unknown (known after apply) values are skipped.
package main
import (
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
"github.com/hashicorp/terraform-plugin-framework-validators/int32validator"
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
ElementType: types.Int32Type,
Required: true,
Validators: []validator.List{
// Validate this List must contain Int32 values which are at least 1.
listvalidator.ValueInt32sAre(int32validator.AtLeast(1)),
},
},
},
}
}
ValueInt64sAre returns an validator which ensures that any configured Int64 values passes each Int64 validator.
Null (unconfigured) and unknown (known after apply) values are skipped.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/int64validator"
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
ElementType: types.Int64Type,
Required: true,
Validators: []validator.List{
// Validate this List must contain Int64 values which are at least 1.
listvalidator.ValueInt64sAre(int64validator.AtLeast(1)),
},
},
},
}
}
ValueListsAre returns an validator which ensures that any configured List values passes each List validator.
Null (unconfigured) and unknown (known after apply) values are skipped.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
// This List has values of List of Strings.
// Roughly equivalent to [][]string.
ElementType: types.ListType{
ElemType: types.StringType,
},
Required: true,
Validators: []validator.List{
// Validate this List must contain List elements
// which have at least 1 String element.
listvalidator.ValueListsAre(listvalidator.SizeAtLeast(1)),
},
},
},
}
}
ValueMapsAre returns an validator which ensures that any configured Map values passes each Map validator.
Null (unconfigured) and unknown (known after apply) values are skipped.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework-validators/mapvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
// This List has values of Map of Strings.
// Roughly equivalent to []map[string]string.
ElementType: types.MapType{
ElemType: types.StringType,
},
Required: true,
Validators: []validator.List{
// Validate this List must contain Map elements
// which have at least 1 element.
listvalidator.ValueMapsAre(mapvalidator.SizeAtLeast(1)),
},
},
},
}
}
ValueNumbersAre returns an validator which ensures that any configured Number values passes each Number validator.
Null (unconfigured) and unknown (known after apply) values are skipped.
package main
import (
"math/big"
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework-validators/numbervalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
ElementType: types.NumberType,
Required: true,
Validators: []validator.List{
// Validate this List must contain Number values which are 1.2 or 2.4.
listvalidator.ValueNumbersAre(
numbervalidator.OneOf(
big.NewFloat(1.2),
big.NewFloat(2.4),
),
),
},
},
},
}
}
ValueSetsAre returns an validator which ensures that any configured Set values passes each Set validator.
Null (unconfigured) and unknown (known after apply) values are skipped.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework-validators/setvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
// This List has values of Sets of Strings.
// Roughly equivalent to [][]string.
ElementType: types.SetType{
ElemType: types.StringType,
},
Required: true,
Validators: []validator.List{
// Validate this List must contain Set elements
// which have at least 1 String element.
listvalidator.ValueSetsAre(setvalidator.SizeAtLeast(1)),
},
},
},
}
}
ValueStringsAre returns an validator which ensures that any configured String values passes each String validator.
Null (unconfigured) and unknown (known after apply) values are skipped.
package main
import (
"github.com/hashicorp/terraform-plugin-framework-validators/listvalidator"
"github.com/hashicorp/terraform-plugin-framework-validators/stringvalidator"
"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
)
func main() {
// Used within a Schema method of a DataSource, Provider, or Resource
_ = schema.Schema{
Attributes: map[string]schema.Attribute{
"example_attr": schema.ListAttribute{
ElementType: types.StringType,
Required: true,
Validators: []validator.List{
// Validate this List must contain string values which are at least 3 characters.
listvalidator.ValueStringsAre(stringvalidator.LengthAtLeast(3)),
},
},
},
}
}
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