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validators.go
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/
validators.go
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package azurerm
import (
"fmt"
"math"
"regexp"
"time"
"github.com/Azure/go-autorest/autorest/date"
"github.com/hashicorp/terraform/helper/schema"
"github.com/satori/uuid"
)
func validateRFC3339Date(v interface{}, k string) (ws []string, errors []error) {
dateString := v.(string)
if _, err := date.ParseTime(time.RFC3339, dateString); err != nil {
errors = append(errors, fmt.Errorf("%q is an invalid RFC3339 date: %+v", k, err))
}
return
}
// validateIntInSlice returns a SchemaValidateFunc which tests if the provided value
// is of type int and matches the value of an element in the valid slice
func validateIntInSlice(valid []int) schema.SchemaValidateFunc {
return func(i interface{}, k string) (s []string, es []error) {
v, ok := i.(int)
if !ok {
es = append(es, fmt.Errorf("expected type of %s to be int", k))
return
}
for _, str := range valid {
if v == str {
return
}
}
es = append(es, fmt.Errorf("expected %q to be one of %v, got %v", k, valid, v))
return
}
}
func validateUUID(v interface{}, k string) (ws []string, errors []error) {
if _, err := uuid.FromString(v.(string)); err != nil {
errors = append(errors, fmt.Errorf("%q is an invalid UUUID: %s", k, err))
}
return
}
func evaluateSchemaValidateFunc(i interface{}, k string, validateFunc schema.SchemaValidateFunc) (bool, error) {
_, es := validateFunc(i, k)
if len(es) > 0 {
return false, es[0]
}
return true, nil
}
func validateIso8601Duration() schema.SchemaValidateFunc {
return func(i interface{}, k string) (s []string, es []error) {
v, ok := i.(string)
if !ok {
es = append(es, fmt.Errorf("expected type of %s to be string", k))
return
}
matched, _ := regexp.MatchString(`^P([0-9]+Y)?([0-9]+M)?([0-9]+W)?([0-9]+D)?(T([0-9]+H)?([0-9]+M)?([0-9]+(\.?[0-9]+)?S)?)?$`, v)
if !matched {
es = append(es, fmt.Errorf("expected %s to be in ISO 8601 duration format, got %s", k, v))
}
return
}
}
// intBetweenDivisibleBy returns a SchemaValidateFunc which tests if the provided value
// is of type int and is between min and max (inclusive) and is divisible by a given number
func validateIntBetweenDivisibleBy(min, max, divisor int) schema.SchemaValidateFunc {
return func(i interface{}, k string) (s []string, es []error) {
v, ok := i.(int)
if !ok {
es = append(es, fmt.Errorf("expected type of %s to be int", k))
return
}
if v < min || v > max {
es = append(es, fmt.Errorf("expected %s to be in the range (%d - %d), got %d", k, min, max, v))
return
}
if math.Mod(float64(v), float64(divisor)) != 0 {
es = append(es, fmt.Errorf("expected %s to be divisible by %d", k, divisor))
return
}
return
}
}
func validateCollation() schema.SchemaValidateFunc {
return func(i interface{}, k string) (s []string, es []error) {
v, ok := i.(string)
if !ok {
es = append(es, fmt.Errorf("expected type of %s to be string", k))
return
}
matched, _ := regexp.MatchString(`^[A-Za-z0-9_. ]+$`, v)
if !matched {
es = append(es, fmt.Errorf("%s contains invalid characters, only underscores are supported, got %s", k, v))
return
}
return
}
}