Zanzana: add flag for running zanzana server insecurely (#107130)

* add flag for running zanzana server insecurely

* Only allow insecure connections in dev environment

Co-authored-by: Alexander Zobnin <alexanderzobnin@gmail.com>

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Co-authored-by: Alexander Zobnin <alexanderzobnin@gmail.com>

pkg/setting/settings_zanzana.go

@@ -46,6 +46,8 @@ type ZanzanaServerSettings struct {
 	UseStreamedListObjects bool
 	// URL for fetching signing keys.
 	SigningKeysURL string
+	// Allow insecure connections to the server for development purposes.
+	AllowInsecure bool
 }
 
 func (cfg *Cfg) readZanzanaSettings() {
@@ -77,6 +79,7 @@ func (cfg *Cfg) readZanzanaSettings() {
 	zs.ListObjectsMaxResults = uint32(serverSec.Key("list_objects_max_results").MustUint(1000))
 	zs.UseStreamedListObjects = serverSec.Key("use_streamed_list_objects").MustBool(false)
 	zs.SigningKeysURL = serverSec.Key("signing_keys_url").MustString("")
+	zs.AllowInsecure = serverSec.Key("allow_insecure").MustBool(false)
 
 	cfg.ZanzanaServer = zs
 }