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validators.go
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validators.go
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package server
import (
"context"
"fmt"
"strings"
"github.com/UpCloudLtd/terraform-provider-upcloud/internal/utils"
"github.com/UpCloudLtd/terraform-provider-upcloud/internal/validator"
"github.com/UpCloudLtd/upcloud-go-api/v8/upcloud/service"
"github.com/hashicorp/go-cty/cty"
"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
)
func validateHostnameDiagFunc(min, max int) schema.SchemaValidateDiagFunc {
return func(v interface{}, path cty.Path) diag.Diagnostics {
var diags diag.Diagnostics
val, ok := v.(string)
if !ok {
diags = append(diags, diag.Diagnostic{
Severity: diag.Error,
Summary: "Bad type",
Detail: "expected type to be string",
AttributePath: path,
})
return diags
}
if len(val) < min || len(val) > max {
diags = append(diags, diag.Diagnostic{
Severity: diag.Error,
Summary: "Hostname length validation failed",
Detail: fmt.Sprintf("expected hostname length to be in the range (%d - %d), got %d", min, max, len(val)),
AttributePath: path,
})
return diags
}
if err := validator.ValidateDomainName(val); err != nil {
diags = append(diags, diag.Diagnostic{
Severity: diag.Error,
Summary: "Hostname validation failed",
Detail: err.Error(),
AttributePath: path,
})
}
return diags
}
}
func validatePlan(ctx context.Context, service *service.Service, plan string) error {
if plan == "" {
return nil
}
plans, err := service.GetPlans(ctx)
if err != nil {
return err
}
availablePlans := make([]string, 0)
for _, p := range plans.Plans {
if p.Name == plan {
return nil
}
availablePlans = append(availablePlans, p.Name)
}
return fmt.Errorf("expected plan to be one of [%s], got %s", strings.Join(availablePlans, ", "), plan)
}
func validateZone(ctx context.Context, service *service.Service, zone string) error {
zones, err := service.GetZones(ctx)
if err != nil {
return err
}
availableZones := make([]string, 0)
for _, z := range zones.Zones {
if z.ID == zone {
return nil
}
availableZones = append(availableZones, z.ID)
}
return fmt.Errorf("expected zone to be one of [%s], got %s", strings.Join(availableZones, ", "), zone)
}
func validateTagsChange(ctx context.Context, d *schema.ResourceDiff, meta interface{}) error {
oldTags, newTags := d.GetChange("tags")
if tagsHasChange(oldTags, newTags) {
client := meta.(*service.Service)
if isSubaccount, err := isProviderAccountSubaccount(ctx, client); err != nil || isSubaccount {
if err != nil {
return err
}
return fmt.Errorf("creating and modifying tags is allowed only by main account. Subaccounts have access only to listing tags and tagged servers they are granted access to (tags change: %v -> %v)", oldTags, newTags)
}
}
tagsMap := make(map[string]string)
var duplicates []string
for _, tag := range utils.ExpandStrings(d.Get("tags")) {
if duplicate, ok := tagsMap[strings.ToLower(tag)]; ok {
duplicates = append(duplicates, fmt.Sprintf("%s = %s", duplicate, tag))
}
tagsMap[strings.ToLower(tag)] = tag
}
if len(duplicates) != 0 {
return fmt.Errorf("tags can not contain case-insensitive duplicates (%s)", strings.Join(duplicates, ", "))
}
return nil
}