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hscontrol: route hostname handling through dnsname and NodeStore

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Ingest (registration and MapRequest updates) now calls
dnsname.SanitizeHostname directly and lets NodeStore auto-bump on
collision. Admin rename uses dnsname.ValidLabel + SetGivenName so
conflicts are surfaced to the caller instead of silently mutated.

Three duplicate invalidDNSRegex definitions, the old NormaliseHostname
and ValidateHostname helpers, EnsureHostname, InvalidString,
ApplyHostnameFromHostInfo, GivenNameHasBeenChanged, generateGivenName
and EnsureUniqueGivenName are removed along with their tests.
ValidateHostname's username half is retained as ValidateUsername for
users.go.

The SaaS-matching collision rule replaces the random "invalid-xxxxxx"
fallback and the 8-character hash suffix; the empty-input fallback is
the literal "node". TestUpdateHostnameFromClient now exercises the
rewrite end-to-end with awkward macOS/Windows names.

Fixes #3188
Fixes #2926
Fixes #2343
Fixes #2762
Fixes #2449
Updates #2177
Updates #2121
Updates #363
This commit is contained in:
Kristoffer Dalby 2026-04-17 12:06:10 +00:00
parent a2c3ac095e
commit d6dfdc100c
15 changed files with 104 additions and 1707 deletions
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4
hscontrol/db/users.go
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@ -28,7 +28,7 @@ func (hsdb *HSDatabase) CreateUser(user types.User) (*types.User, error) {
// CreateUser creates a new User. Returns error if could not be created
// or another user already exists.
func CreateUser(tx *gorm.DB, user types.User) (*types.User, error) {
err := util.ValidateHostname(user.Name)
err := util.ValidateUsername(user.Name)
if err != nil {
return nil, err
}
@ -102,7 +102,7 @@ func RenameUser(tx *gorm.DB, uid types.UserID, newName string) error {
return err
}
if err = util.ValidateHostname(newName); err != nil { //nolint:noinlineerr
if err = util.ValidateUsername(newName); err != nil { //nolint:noinlineerr
return err
}