terraform-provider-stackitp.../stackit/validate/validate.go
2023-09-07 11:34:45 +01:00

85 lines
2.6 KiB
Go

package validate
import (
"context"
"fmt"
"net"
"regexp"
"strings"
"github.com/google/uuid"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/stackitcloud/terraform-provider-stackit/stackit/core"
)
type Validator struct {
description string
markdownDescription string
validate ValidationFn
}
type ValidationFn func(context.Context, validator.StringRequest, *validator.StringResponse)
var _ = validator.String(&Validator{})
func (v *Validator) Description(_ context.Context) string {
return v.description
}
func (v *Validator) MarkdownDescription(_ context.Context) string {
return v.markdownDescription
}
func (v *Validator) ValidateString(ctx context.Context, req validator.StringRequest, resp *validator.StringResponse) { // nolint:gocritic // function signature required by Terraform
if req.ConfigValue.IsUnknown() || req.ConfigValue.IsNull() {
return
}
v.validate(ctx, req, resp)
}
func UUID() *Validator {
return &Validator{
description: "validate string is UUID",
validate: func(ctx context.Context, req validator.StringRequest, resp *validator.StringResponse) {
if _, err := uuid.Parse(req.ConfigValue.ValueString()); err != nil {
resp.Diagnostics.AddError("not a valid UUID", err.Error())
}
},
}
}
func IP() *Validator {
return &Validator{
description: "validate string is IP address",
validate: func(ctx context.Context, req validator.StringRequest, resp *validator.StringResponse) {
if net.ParseIP(req.ConfigValue.ValueString()) == nil {
resp.Diagnostics.AddError("not a valid IP address", "")
}
},
}
}
func NoSeparator() *Validator {
return &Validator{
description: "validate string does not contain internal separator",
validate: func(ctx context.Context, req validator.StringRequest, resp *validator.StringResponse) {
if strings.Contains(req.ConfigValue.ValueString(), core.Separator) {
resp.Diagnostics.AddError("Invalid character found.", fmt.Sprintf("The string should not contain a '%s'", core.Separator))
}
},
}
}
func SemanticMinorVersion() *Validator {
return &Validator{
description: "validate string does not contain internal separator",
validate: func(ctx context.Context, req validator.StringRequest, resp *validator.StringResponse) {
exp := `^\d+\.\d+?$`
r := regexp.MustCompile(exp)
version := req.ConfigValue.ValueString()
if !r.MatchString(version) {
resp.Diagnostics.AddError("Invalid version.", "The version should be a valid semantic version only containing major and minor version. The version should not contain a leading `v`. Got "+version)
}
},
}
}