feat: move termix identity into a plugin (C6)

plugins/termix-identity/migrations/mysql/0001_adopt_termix_identity_tables.sql

@@ -0,0 +1,46 @@
+-- termix-identity 0001: adopt_termix_identity_tables
+-- Generated by termix-plugin migrations. Review before committing.
+-- Hand-edited: keeps the legacy foreign keys the SDK cannot declare
+-- (keys and ca to their identity, keys to ssh_credentials).
+
+CREATE TABLE IF NOT EXISTS `termix_identities` (
+  `id` int AUTO_INCREMENT PRIMARY KEY,
+  `user_id` varchar(255) NOT NULL UNIQUE,
+  `handle` varchar(255) NOT NULL UNIQUE,
+  `description` text,
+  `created_at` text NOT NULL DEFAULT (CURRENT_TIMESTAMP),
+  `updated_at` text NOT NULL DEFAULT (CURRENT_TIMESTAMP),
+  FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
+);
+RENAME TABLE `termix_identities` TO `p_termix_identity_identities`;
+CREATE TABLE IF NOT EXISTS `termix_identity_keys` (
+  `id` int AUTO_INCREMENT PRIMARY KEY,
+  `identity_id` int NOT NULL,
+  `user_id` varchar(255) NOT NULL,
+  `public_key` text NOT NULL,
+  `key_type` text NOT NULL,
+  `algorithm` text NOT NULL,
+  `label` text,
+  `comment` text,
+  `source` text NOT NULL DEFAULT ('manual'),
+  `credential_id` int,
+  `enabled` boolean NOT NULL DEFAULT true,
+  `created_at` text NOT NULL DEFAULT (CURRENT_TIMESTAMP),
+  FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
+  FOREIGN KEY (`identity_id`) REFERENCES `p_termix_identity_identities` (`id`) ON DELETE CASCADE,
+  FOREIGN KEY (`credential_id`) REFERENCES `ssh_credentials` (`id`) ON DELETE SET NULL
+);
+RENAME TABLE `termix_identity_keys` TO `p_termix_identity_keys`;
+CREATE TABLE IF NOT EXISTS `termix_identity_ca` (
+  `id` int AUTO_INCREMENT PRIMARY KEY,
+  `identity_id` int NOT NULL UNIQUE,
+  `user_id` varchar(255) NOT NULL,
+  `public_key` text NOT NULL,
+  `private_key` text NOT NULL,
+  `validity_days` int NOT NULL DEFAULT 90,
+  `created_at` text NOT NULL DEFAULT (CURRENT_TIMESTAMP),
+  `updated_at` text NOT NULL DEFAULT (CURRENT_TIMESTAMP),
+  FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
+  FOREIGN KEY (`identity_id`) REFERENCES `p_termix_identity_identities` (`id`) ON DELETE CASCADE
+);
+RENAME TABLE `termix_identity_ca` TO `p_termix_identity_ca`;