109 lines
3.1 KiB
Go
109 lines
3.1 KiB
Go
package validation
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import (
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"fmt"
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"net"
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"strings"
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"github.com/hashicorp/terraform/helper/schema"
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"github.com/hashicorp/terraform/helper/structure"
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)
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// IntBetween returns a SchemaValidateFunc which tests if the provided value
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// is of type int and is between min and max (inclusive)
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func IntBetween(min, max int) schema.SchemaValidateFunc {
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return func(i interface{}, k string) (s []string, es []error) {
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v, ok := i.(int)
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if !ok {
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es = append(es, fmt.Errorf("expected type of %s to be int", k))
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return
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}
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if v < min || v > max {
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es = append(es, fmt.Errorf("expected %s to be in the range (%d - %d), got %d", k, min, max, v))
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return
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}
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return
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}
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}
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// StringInSlice returns a SchemaValidateFunc which tests if the provided value
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// is of type string and matches the value of an element in the valid slice
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// will test with in lower case if ignoreCase is true
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func StringInSlice(valid []string, ignoreCase bool) schema.SchemaValidateFunc {
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return func(i interface{}, k string) (s []string, es []error) {
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v, ok := i.(string)
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if !ok {
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es = append(es, fmt.Errorf("expected type of %s to be string", k))
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return
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}
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for _, str := range valid {
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if v == str || (ignoreCase && strings.ToLower(v) == strings.ToLower(str)) {
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return
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}
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}
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es = append(es, fmt.Errorf("expected %s to be one of %v, got %s", k, valid, v))
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return
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}
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}
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// StringLenBetween returns a SchemaValidateFunc which tests if the provided value
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// is of type string and has length between min and max (inclusive)
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func StringLenBetween(min, max int) schema.SchemaValidateFunc {
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return func(i interface{}, k string) (s []string, es []error) {
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v, ok := i.(string)
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if !ok {
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es = append(es, fmt.Errorf("expected type of %s to be string", k))
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return
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}
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if len(v) < min || len(v) > max {
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es = append(es, fmt.Errorf("expected length of %s to be in the range (%d - %d), got %s", k, min, max, v))
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}
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return
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}
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}
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// CIDRNetwork returns a SchemaValidateFunc which tests if the provided value
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// is of type string, is in valid CIDR network notation, and has significant bits between min and max (inclusive)
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func CIDRNetwork(min, max int) schema.SchemaValidateFunc {
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return func(i interface{}, k string) (s []string, es []error) {
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v, ok := i.(string)
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if !ok {
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es = append(es, fmt.Errorf("expected type of %s to be string", k))
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return
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}
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_, ipnet, err := net.ParseCIDR(v)
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if err != nil {
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es = append(es, fmt.Errorf(
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"expected %s to contain a valid CIDR, got: %s with err: %s", k, v, err))
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return
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}
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if ipnet == nil || v != ipnet.String() {
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es = append(es, fmt.Errorf(
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"expected %s to contain a valid network CIDR, expected %s, got %s",
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k, ipnet, v))
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}
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sigbits, _ := ipnet.Mask.Size()
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if sigbits < min || sigbits > max {
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es = append(es, fmt.Errorf(
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"expected %q to contain a network CIDR with between %d and %d significant bits, got: %d",
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k, min, max, sigbits))
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}
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return
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}
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}
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func ValidateJsonString(v interface{}, k string) (ws []string, errors []error) {
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if _, err := structure.NormalizeJsonString(v); err != nil {
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errors = append(errors, fmt.Errorf("%q contains an invalid JSON: %s", k, err))
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}
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return
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}
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