wisski-cloud-distillery/internal/dis/component/instances/create.go
2023-01-11 11:00:26 +01:00

88 lines
2.3 KiB
Go

package instances
import (
"errors"
"path/filepath"
"strings"
"github.com/FAU-CDI/wisski-distillery/internal/wisski"
"github.com/FAU-CDI/wisski-distillery/pkg/stringparser"
)
var (
errInvalidSlug = errors.New("not a valid slug")
errRestrictedSlug = errors.New("restricted slug")
)
// Create fills the struct for a new WissKI instance.
// It validates that slug is a valid name for an instance.
//
// It does not perform any checks if the instance already exists, or does the creation in the database.
func (instances *Instances) Create(slug string) (wissKI *wisski.WissKI, err error) {
// make sure that the slug is valid!
slug, err = instances.IsValidSlug(slug)
if err != nil {
return nil, errInvalidSlug
}
wissKI = new(wisski.WissKI)
instances.use(wissKI)
wissKI.Liquid.Instance.Slug = slug
wissKI.Liquid.Instance.FilesystemBase = filepath.Join(instances.Path(), wissKI.Domain())
wissKI.Liquid.Instance.OwnerEmail = ""
wissKI.Liquid.Instance.AutoBlindUpdateEnabled = true
// sql
wissKI.Liquid.Instance.SqlDatabase = instances.Config.MysqlDatabasePrefix + slug
wissKI.Liquid.Instance.SqlUsername = instances.Config.MysqlUserPrefix + slug
wissKI.Liquid.Instance.SqlPassword, err = instances.Config.NewPassword()
if err != nil {
return nil, err
}
// triplestore
wissKI.Liquid.Instance.GraphDBRepository = instances.Config.GraphDBRepoPrefix + slug
wissKI.Liquid.Instance.GraphDBUsername = instances.Config.GraphDBUserPrefix + slug
wissKI.Liquid.Instance.GraphDBPassword, err = instances.Config.NewPassword()
if err != nil {
return nil, err
}
// drupal
wissKI.Liquid.DrupalUsername = "admin" // TODO: Change this!
wissKI.Liquid.DrupalPassword, err = instances.Config.NewPassword()
if err != nil {
return nil, err
}
// store the instance in the object and return it!
return wissKI, nil
}
var restrictedSlugs = []string{"www", "admin"}
// IsValidSlug checks if slug represents a valid slug for an instance.
func (instances *Instances) IsValidSlug(slug string) (string, error) {
// check that it is a slug
slug, err := stringparser.ParseSlug(instances.Environment, slug)
if err != nil {
return "", errInvalidSlug
}
for _, rs := range restrictedSlugs {
if strings.EqualFold(rs, slug) {
return "", errRestrictedSlug
}
}
// return the slug
return strings.ToLower(slug), nil
}