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validators.go
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/
validators.go
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package aws
import (
"fmt"
"regexp"
"time"
)
func validateRdsId(v interface{}, k string) (ws []string, errors []error) {
value := v.(string)
if !regexp.MustCompile(`^[0-9a-z-]+$`).MatchString(value) {
errors = append(errors, fmt.Errorf(
"only lowercase alphanumeric characters and hyphens allowed in %q", k))
}
if !regexp.MustCompile(`^[a-z]`).MatchString(value) {
errors = append(errors, fmt.Errorf(
"first character of %q must be a letter", k))
}
if regexp.MustCompile(`--`).MatchString(value) {
errors = append(errors, fmt.Errorf(
"%q cannot contain two consecutive hyphens", k))
}
if regexp.MustCompile(`-$`).MatchString(value) {
errors = append(errors, fmt.Errorf(
"%q cannot end with a hyphen", k))
}
return
}
func validateASGScheduleTimestamp(v interface{}, k string) (ws []string, errors []error) {
value := v.(string)
_, err := time.Parse(awsAutoscalingScheduleTimeLayout, value)
if err != nil {
errors = append(errors, fmt.Errorf(
"%q cannot be parsed as iso8601 Timestamp Format", value))
}
return
}
// validateTagFilters confirms the "value" component of a tag filter is one of
// AWS's three allowed types.
func validateTagFilters(v interface{}, k string) (ws []string, errors []error) {
value := v.(string)
if value != "KEY_ONLY" && value != "VALUE_ONLY" && value != "KEY_AND_VALUE" {
errors = append(errors, fmt.Errorf(
"%q must be one of \"KEY_ONLY\", \"VALUE_ONLY\", or \"KEY_AND_VALUE\"", k))
}
return
}
func validateDbParamGroupName(v interface{}, k string) (ws []string, errors []error) {
value := v.(string)
if !regexp.MustCompile(`^[0-9a-z-]+$`).MatchString(value) {
errors = append(errors, fmt.Errorf(
"only lowercase alphanumeric characters and hyphens allowed in %q", k))
}
if !regexp.MustCompile(`^[a-z]`).MatchString(value) {
errors = append(errors, fmt.Errorf(
"first character of %q must be a letter", k))
}
if regexp.MustCompile(`--`).MatchString(value) {
errors = append(errors, fmt.Errorf(
"%q cannot contain two consecutive hyphens", k))
}
if regexp.MustCompile(`-$`).MatchString(value) {
errors = append(errors, fmt.Errorf(
"%q cannot end with a hyphen", k))
}
if len(value) > 255 {
errors = append(errors, fmt.Errorf(
"%q cannot be greater than 255 characters", k))
}
return
}
func validateStreamViewType(v interface{}, k string) (ws []string, errors []error) {
value := v.(string)
viewTypes := map[string]bool{
"KEYS_ONLY": true,
"NEW_IMAGE": true,
"OLD_IMAGE": true,
"NEW_AND_OLD_IMAGES": true,
}
if !viewTypes[value] {
errors = append(errors, fmt.Errorf("%q be a valid DynamoDB StreamViewType", k))
}
return
}
func validateElbName(v interface{}, k string) (ws []string, errors []error) {
value := v.(string)
if !regexp.MustCompile(`^[0-9A-Za-z-]+$`).MatchString(value) {
errors = append(errors, fmt.Errorf(
"only alphanumeric characters and hyphens allowed in %q: %q",
k, value))
}
if len(value) > 32 {
errors = append(errors, fmt.Errorf(
"%q cannot be longer than 32 characters: %q", k, value))
}
if regexp.MustCompile(`^-`).MatchString(value) {
errors = append(errors, fmt.Errorf(
"%q cannot begin with a hyphen: %q", k, value))
}
if regexp.MustCompile(`-$`).MatchString(value) {
errors = append(errors, fmt.Errorf(
"%q cannot end with a hyphen: %q", k, value))
}
return
}
func validateEcrRepositoryName(v interface{}, k string) (ws []string, errors []error) {
value := v.(string)
if len(value) < 2 {
errors = append(errors, fmt.Errorf(
"%q must be at least 2 characters long: %q", k, value))
}
if len(value) > 256 {
errors = append(errors, fmt.Errorf(
"%q cannot be longer than 256 characters: %q", k, value))
}
// http://docs.aws.amazon.com/AmazonECR/latest/APIReference/API_CreateRepository.html
pattern := `^(?:[a-z0-9]+(?:[._-][a-z0-9]+)*/)*[a-z0-9]+(?:[._-][a-z0-9]+)*$`
if !regexp.MustCompile(pattern).MatchString(value) {
errors = append(errors, fmt.Errorf(
"%q doesn't comply with restrictions (%q): %q",
k, pattern, value))
}
return
}