Remove id column from host_users to allow for bulk insert (#1931)

* Remove id column from host_users to allow for bulk insert

* Update documentation

changes/host-users-remove-autoincrement

@@ -0,0 +1 @@
+* Update the schema for host_users to allow for bulk inserts without locking, and allow for users without unique uid.

docs/1-Using-Fleet/3-REST-API.md

@@ -662,14 +662,12 @@ The endpoint returns the host's installed `software` if the software inventory f
     "percent_disk_space_available": 73,
     "users": [
       {
-        "id": 98,
         "uid": 0,
         "username": "root",
         "type": "",
         "groupname": "root"
       },
       {
-        "id": 99,
         "uid": 1,
         "username": "bin",
         "type": "",

server/datastore/mysql/hosts.go

@@ -280,7 +280,7 @@ WHERE host_id = ? AND p.pack_type IS NULL
 }
 
 func (d *Datastore) loadHostUsers(db dbReader, host *fleet.Host) error {
-	sql := `SELECT id, username, groupname, uid, user_type FROM host_users WHERE host_id = ? and removed_at IS NULL`
+	sql := `SELECT username, groupname, uid, user_type FROM host_users WHERE host_id = ? and removed_at IS NULL`
 	if err := db.Select(&host.Users, sql, host.ID); err != nil {
 		return errors.Wrap(err, "load pack stats")
 	}
@@ -846,34 +846,39 @@ func (d *Datastore) SaveHostUsers(host *fleet.Host) error {
 		return err
 	}
 
-	incomingUsers := make(map[uint]bool)
+	keyForUser := func(u *fleet.HostUser) string { return fmt.Sprintf("%d\x00%s", u.Uid, u.Username) }
+	incomingUsers := make(map[string]bool)
+	var insertArgs []interface{}
 	for _, u := range host.Users {
-		incomingUsers[u.Uid] = true
+		insertArgs = append(insertArgs, host.ID, u.Uid, u.Username, u.Type, u.GroupName)
-
+		incomingUsers[keyForUser(&u)] = true
-		if _, err := d.writer.Exec(
-			`INSERT IGNORE INTO host_users (host_id, uid, username, user_type, groupname) VALUES (?, ?, ?, ?, ?)`,
-			host.ID, u.Uid, u.Username, u.Type, u.GroupName,
-		); err != nil {
-			return errors.Wrap(err, "insert users")
-		}
 	}
 
 	var removedArgs []interface{}
 	for _, u := range currentHost.Users {
-		if _, ok := incomingUsers[u.Uid]; !ok {
+		if _, ok := incomingUsers[keyForUser(&u)]; !ok {
-			removedArgs = append(removedArgs, u.ID)
+			removedArgs = append(removedArgs, u.Username)
 		}
 	}
 
+	insertValues := strings.TrimSuffix(strings.Repeat("(?, ?, ?, ?, ?),", len(host.Users)), ",")
+	insertSql := fmt.Sprintf(
+		`INSERT IGNORE INTO host_users (host_id, uid, username, user_type, groupname) VALUES %s`,
+		insertValues,
+	)
+	if _, err := d.writer.Exec(insertSql, insertArgs...); err != nil {
+		return errors.Wrap(err, "insert users")
+	}
+
 	if len(removedArgs) == 0 {
 		return nil
 	}
 	removedValues := strings.TrimSuffix(strings.Repeat("?,", len(removedArgs)), ",")
 	removedSql := fmt.Sprintf(
-		`UPDATE host_users SET removed_at = CURRENT_TIMESTAMP WHERE id IN (%s)`,
+		`UPDATE host_users SET removed_at = CURRENT_TIMESTAMP WHERE host_id = ? and username IN (%s)`,
 		removedValues,
 	)
-	if _, err := d.writer.Exec(removedSql, removedArgs...); err != nil {
+	if _, err := d.writer.Exec(removedSql, append([]interface{}{host.ID}, removedArgs...)...); err != nil {
 		return errors.Wrap(err, "mark users as removed")
 	}
 

server/datastore/mysql/hosts_test.go

@@ -1342,6 +1342,64 @@ func TestSaveUsers(t *testing.T) {
 	assert.Equal(t, host.Users[0].Uid, u2.Uid)
 }
 
+func TestSaveUsersWithoutUid(t *testing.T) {
+	ds := CreateMySQLDS(t)
+	defer ds.Close()
+
+	host, err := ds.NewHost(&fleet.Host{
+		DetailUpdatedAt: time.Now(),
+		LabelUpdatedAt:  time.Now(),
+		SeenTime:        time.Now(),
+		NodeKey:         "1",
+		UUID:            "1",
+		Hostname:        "foo.local",
+		PrimaryIP:       "192.168.1.1",
+		PrimaryMac:      "30-65-EC-6F-C4-58",
+	})
+	require.NoError(t, err)
+	require.NotNil(t, host)
+
+	err = ds.SaveHost(host)
+	require.Nil(t, err)
+
+	host, err = ds.Host(host.ID)
+	require.Nil(t, err)
+	assert.Len(t, host.Users, 0)
+
+	u1 := fleet.HostUser{
+		Username:  "user",
+		Type:      "aaa",
+		GroupName: "group",
+	}
+	u2 := fleet.HostUser{
+		Username:  "user2",
+		Type:      "aaa",
+		GroupName: "group",
+	}
+	host.Users = []fleet.HostUser{u1, u2}
+	host.Modified = true
+
+	err = ds.SaveHost(host)
+	require.Nil(t, err)
+
+	host, err = ds.Host(host.ID)
+	require.Nil(t, err)
+	require.Len(t, host.Users, 2)
+	test.ElementsMatchSkipID(t, host.Users, []fleet.HostUser{u1, u2})
+
+	// remove u1 user
+	host.Users = []fleet.HostUser{u2}
+	host.Modified = true
+
+	err = ds.SaveHost(host)
+	require.Nil(t, err)
+
+	host, err = ds.Host(host.ID)
+	require.Nil(t, err)
+	require.Len(t, host.Users, 1)
+	assert.Equal(t, host.Users[0].Uid, u2.Uid)
+}
+
 func addHostSeenLast(t *testing.T, ds fleet.Datastore, i, days int) {
 	host, err := ds.NewHost(&fleet.Host{
 		DetailUpdatedAt: time.Now(),

server/datastore/mysql/migrations/tables/20210903132338_HostUsersNewPrimary.go

@@ -0,0 +1,23 @@
+package tables
+
+import (
+	"database/sql"
+
+	"github.com/pkg/errors"
+)
+
+func init() {
+	MigrationClient.AddMigration(Up_20210903132338, Down_20210903132338)
+}
+
+func Up_20210903132338(tx *sql.Tx) error {
+	_, err := tx.Exec(`alter table host_users drop column id, drop primary key, add primary key(host_id, uid, username);`)
+	if err != nil {
+		return errors.Wrap(err, "dropping id from host_users")
+	}
+	return nil
+}
+
+func Down_20210903132338(tx *sql.Tx) error {
+	return nil
+}

server/datastore/mysql/schema.sql

@@ -23,7 +23,7 @@ CREATE TABLE `app_config_json` (
   UNIQUE KEY `id` (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 /*!40101 SET character_set_client = @saved_cs_client */;
-INSERT INTO `app_config_json` VALUES (1,'{\"org_info\": {\"org_name\": \"\", \"org_logo_url\": \"\"}, \"sso_settings\": {\"idp_name\": \"\", \"metadata\": \"\", \"entity_id\": \"\", \"enable_sso\": false, \"issuer_uri\": \"\", \"metadata_url\": \"\", \"idp_image_url\": \"\", \"enable_sso_idp_login\": false}, \"agent_options\": {\"config\": {\"options\": {\"logger_plugin\": \"tls\", \"pack_delimiter\": \"/\", \"logger_tls_period\": 10, \"distributed_plugin\": \"tls\", \"disable_distributed\": false, \"logger_tls_endpoint\": \"/api/v1/osquery/log\", \"distributed_interval\": 10, \"distributed_tls_max_attempts\": 3}, \"decorators\": {\"load\": [\"SELECT uuid AS host_uuid FROM system_info;\", \"SELECT hostname AS hostname FROM system_info;\"]}}, \"overrides\": {}}, \"host_settings\": {\"enable_host_users\": true, \"enable_software_inventory\": false}, \"smtp_settings\": {\"port\": 587, \"domain\": \"\", \"server\": \"\", \"password\": \"\", \"user_name\": \"\", \"configured\": false, \"enable_smtp\": false, \"enable_ssl_tls\": true, \"sender_address\": \"\", \"enable_start_tls\": true, \"verify_ssl_certs\": true, \"authentication_type\": \"0\", \"authentication_method\": \"0\"}, \"server_settings\": {\"server_url\": \"\", \"enable_analytics\": false, \"live_query_disabled\": false}, \"host_expiry_settings\": {\"host_expiry_window\": 0, \"host_expiry_enabled\": false}, \"vulnerability_settings\": {\"databases_path\": \"\"}}','2020-01-01 01:01:01','2020-01-01 01:01:01');
+INSERT INTO `app_config_json` VALUES (1,'{\"org_info\": {\"org_name\": \"\", \"org_logo_url\": \"\"}, \"sso_settings\": {\"idp_name\": \"\", \"metadata\": \"\", \"entity_id\": \"\", \"enable_sso\": false, \"issuer_uri\": \"\", \"metadata_url\": \"\", \"idp_image_url\": \"\", \"enable_sso_idp_login\": false}, \"agent_options\": {\"config\": {\"options\": {\"logger_plugin\": \"tls\", \"pack_delimiter\": \"/\", \"logger_tls_period\": 10, \"distributed_plugin\": \"tls\", \"disable_distributed\": false, \"logger_tls_endpoint\": \"/api/v1/osquery/log\", \"distributed_interval\": 10, \"distributed_tls_max_attempts\": 3}, \"decorators\": {\"load\": [\"SELECT uuid AS host_uuid FROM system_info;\", \"SELECT hostname AS hostname FROM system_info;\"]}}, \"overrides\": {}}, \"host_settings\": {\"enable_host_users\": true, \"enable_software_inventory\": false}, \"smtp_settings\": {\"port\": 587, \"domain\": \"\", \"server\": \"\", \"password\": \"\", \"user_name\": \"\", \"configured\": false, \"enable_smtp\": false, \"enable_ssl_tls\": true, \"sender_address\": \"\", \"enable_start_tls\": true, \"verify_ssl_certs\": true, \"authentication_type\": \"0\", \"authentication_method\": \"0\"}, \"server_settings\": {\"server_url\": \"\", \"enable_analytics\": false, \"live_query_disabled\": false}, \"webhook_settings\": {\"interval\": \"24h0m0s\", \"host_status_webhook\": {\"days_count\": 0, \"destination_url\": \"\", \"host_percentage\": 0, \"enable_host_status_webhook\": false}}, \"host_expiry_settings\": {\"host_expiry_window\": 0, \"host_expiry_enabled\": false}, \"vulnerability_settings\": {\"databases_path\": \"\"}}','2020-01-01 01:01:01','2020-01-01 01:01:01');
 /*!40101 SET @saved_cs_client     = @@character_set_client */;
 /*!40101 SET character_set_client = utf8 */;
 CREATE TABLE `app_configs` (
@@ -167,15 +167,14 @@ CREATE TABLE `host_software` (
 /*!40101 SET @saved_cs_client     = @@character_set_client */;
 /*!40101 SET character_set_client = utf8 */;
 CREATE TABLE `host_users` (
-  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
   `host_id` int(10) unsigned NOT NULL,
   `uid` int(10) unsigned NOT NULL,
-  `username` varchar(255) DEFAULT NULL,
+  `username` varchar(255) NOT NULL,
   `groupname` varchar(255) DEFAULT NULL,
   `created_at` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
   `removed_at` timestamp NULL DEFAULT NULL,
   `user_type` varchar(255) DEFAULT NULL,
-  PRIMARY KEY (`id`),
+  PRIMARY KEY (`host_id`,`uid`,`username`),
   UNIQUE KEY `idx_uid_username` (`host_id`,`uid`,`username`),
   CONSTRAINT `host_users_ibfk_1` FOREIGN KEY (`host_id`) REFERENCES `hosts` (`id`) ON DELETE CASCADE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
@@ -311,9 +310,9 @@ CREATE TABLE `migration_status_tables` (
   `tstamp` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
   PRIMARY KEY (`id`),
   UNIQUE KEY `id` (`id`)
-) ENGINE=InnoDB AUTO_INCREMENT=101 DEFAULT CHARSET=utf8mb4;
+) ENGINE=InnoDB AUTO_INCREMENT=102 DEFAULT CHARSET=utf8mb4;
 /*!40101 SET character_set_client = @saved_cs_client */;
-INSERT INTO `migration_status_tables` VALUES (1,0,1,'2020-01-01 01:01:01'),(2,20161118193812,1,'2020-01-01 01:01:01'),(3,20161118211713,1,'2020-01-01 01:01:01'),(4,20161118212436,1,'2020-01-01 01:01:01'),(5,20161118212515,1,'2020-01-01 01:01:01'),(6,20161118212528,1,'2020-01-01 01:01:01'),(7,20161118212538,1,'2020-01-01 01:01:01'),(8,20161118212549,1,'2020-01-01 01:01:01'),(9,20161118212557,1,'2020-01-01 01:01:01'),(10,20161118212604,1,'2020-01-01 01:01:01'),(11,20161118212613,1,'2020-01-01 01:01:01'),(12,20161118212621,1,'2020-01-01 01:01:01'),(13,20161118212630,1,'2020-01-01 01:01:01'),(14,20161118212641,1,'2020-01-01 01:01:01'),(15,20161118212649,1,'2020-01-01 01:01:01'),(16,20161118212656,1,'2020-01-01 01:01:01'),(17,20161118212758,1,'2020-01-01 01:01:01'),(18,20161128234849,1,'2020-01-01 01:01:01'),(19,20161230162221,1,'2020-01-01 01:01:01'),(20,20170104113816,1,'2020-01-01 01:01:01'),(21,20170105151732,1,'2020-01-01 01:01:01'),(22,20170108191242,1,'2020-01-01 01:01:01'),(23,20170109094020,1,'2020-01-01 01:01:01'),(24,20170109130438,1,'2020-01-01 01:01:01'),(25,20170110202752,1,'2020-01-01 01:01:01'),(26,20170111133013,1,'2020-01-01 01:01:01'),(27,20170117025759,1,'2020-01-01 01:01:01'),(28,20170118191001,1,'2020-01-01 01:01:01'),(29,20170119234632,1,'2020-01-01 01:01:01'),(30,20170124230432,1,'2020-01-01 01:01:01'),(31,20170127014618,1,'2020-01-01 01:01:01'),(32,20170131232841,1,'2020-01-01 01:01:01'),(33,20170223094154,1,'2020-01-01 01:01:01'),(34,20170306075207,1,'2020-01-01 01:01:01'),(35,20170309100733,1,'2020-01-01 01:01:01'),(36,20170331111922,1,'2020-01-01 01:01:01'),(37,20170502143928,1,'2020-01-01 01:01:01'),(38,20170504130602,1,'2020-01-01 01:01:01'),(39,20170509132100,1,'2020-01-01 01:01:01'),(40,20170519105647,1,'2020-01-01 01:01:01'),(41,20170519105648,1,'2020-01-01 01:01:01'),(42,20170831234300,1,'2020-01-01 01:01:01'),(43,20170831234301,1,'2020-01-01 01:01:01'),(44,20170831234303,1,'2020-01-01 01:01:01'),(45,20171116163618,1,'2020-01-01 01:01:01'),(46,20171219164727,1,'2020-01-01 01:01:01'),(47,20180620164811,1,'2020-01-01 01:01:01'),(48,20180620175054,1,'2020-01-01 01:01:01'),(49,20180620175055,1,'2020-01-01 01:01:01'),(50,20191010101639,1,'2020-01-01 01:01:01'),(51,20191010155147,1,'2020-01-01 01:01:01'),(52,20191220130734,1,'2020-01-01 01:01:01'),(53,20200311140000,1,'2020-01-01 01:01:01'),(54,20200405120000,1,'2020-01-01 01:01:01'),(55,20200407120000,1,'2020-01-01 01:01:01'),(56,20200420120000,1,'2020-01-01 01:01:01'),(57,20200504120000,1,'2020-01-01 01:01:01'),(58,20200512120000,1,'2020-01-01 01:01:01'),(59,20200707120000,1,'2020-01-01 01:01:01'),(60,20201011162341,1,'2020-01-01 01:01:01'),(61,20201021104586,1,'2020-01-01 01:01:01'),(62,20201102112520,1,'2020-01-01 01:01:01'),(63,20201208121729,1,'2020-01-01 01:01:01'),(64,20201215091637,1,'2020-01-01 01:01:01'),(65,20210119174155,1,'2020-01-01 01:01:01'),(66,20210326182902,1,'2020-01-01 01:01:01'),(67,20210421112652,1,'2020-01-01 01:01:01'),(68,20210506095025,1,'2020-01-01 01:01:01'),(69,20210513115729,1,'2020-01-01 01:01:01'),(70,20210526113559,1,'2020-01-01 01:01:01'),(71,20210601000001,1,'2020-01-01 01:01:01'),(72,20210601000002,1,'2020-01-01 01:01:01'),(73,20210601000003,1,'2020-01-01 01:01:01'),(74,20210601000004,1,'2020-01-01 01:01:01'),(75,20210601000005,1,'2020-01-01 01:01:01'),(76,20210601000006,1,'2020-01-01 01:01:01'),(77,20210601000007,1,'2020-01-01 01:01:01'),(78,20210601000008,1,'2020-01-01 01:01:01'),(79,20210606151329,1,'2020-01-01 01:01:01'),(80,20210616163757,1,'2020-01-01 01:01:01'),(81,20210617174723,1,'2020-01-01 01:01:01'),(82,20210622160235,1,'2020-01-01 01:01:01'),(83,20210623100031,1,'2020-01-01 01:01:01'),(84,20210623133615,1,'2020-01-01 01:01:01'),(85,20210708143152,1,'2020-01-01 01:01:01'),(86,20210709124443,1,'2020-01-01 01:01:01'),(87,20210712155608,1,'2020-01-01 01:01:01'),(88,20210714102108,1,'2020-01-01 01:01:01'),(89,20210719153709,1,'2020-01-01 01:01:01'),(90,20210721171531,1,'2020-01-01 01:01:01'),(91,20210723135713,1,'2020-01-01 01:01:01'),(92,20210802135933,1,'2020-01-01 01:01:01'),(93,20210806112844,1,'2020-01-01 01:01:01'),(94,20210810095603,1,'2020-01-01 01:01:01'),(95,20210811150223,1,'2020-01-01 01:01:01'),(96,20210816141251,1,'2020-01-01 01:01:01'),(97,20210818151827,1,'2020-01-01 01:01:01'),(98,20210818182258,1,'2020-01-01 01:01:01'),(99,20210819131107,1,'2020-01-01 01:01:01'),(100,20210819143446,1,'2020-01-01 01:01:01');
+INSERT INTO `migration_status_tables` VALUES (1,0,1,'2020-01-01 01:01:01'),(2,20161118193812,1,'2020-01-01 01:01:01'),(3,20161118211713,1,'2020-01-01 01:01:01'),(4,20161118212436,1,'2020-01-01 01:01:01'),(5,20161118212515,1,'2020-01-01 01:01:01'),(6,20161118212528,1,'2020-01-01 01:01:01'),(7,20161118212538,1,'2020-01-01 01:01:01'),(8,20161118212549,1,'2020-01-01 01:01:01'),(9,20161118212557,1,'2020-01-01 01:01:01'),(10,20161118212604,1,'2020-01-01 01:01:01'),(11,20161118212613,1,'2020-01-01 01:01:01'),(12,20161118212621,1,'2020-01-01 01:01:01'),(13,20161118212630,1,'2020-01-01 01:01:01'),(14,20161118212641,1,'2020-01-01 01:01:01'),(15,20161118212649,1,'2020-01-01 01:01:01'),(16,20161118212656,1,'2020-01-01 01:01:01'),(17,20161118212758,1,'2020-01-01 01:01:01'),(18,20161128234849,1,'2020-01-01 01:01:01'),(19,20161230162221,1,'2020-01-01 01:01:01'),(20,20170104113816,1,'2020-01-01 01:01:01'),(21,20170105151732,1,'2020-01-01 01:01:01'),(22,20170108191242,1,'2020-01-01 01:01:01'),(23,20170109094020,1,'2020-01-01 01:01:01'),(24,20170109130438,1,'2020-01-01 01:01:01'),(25,20170110202752,1,'2020-01-01 01:01:01'),(26,20170111133013,1,'2020-01-01 01:01:01'),(27,20170117025759,1,'2020-01-01 01:01:01'),(28,20170118191001,1,'2020-01-01 01:01:01'),(29,20170119234632,1,'2020-01-01 01:01:01'),(30,20170124230432,1,'2020-01-01 01:01:01'),(31,20170127014618,1,'2020-01-01 01:01:01'),(32,20170131232841,1,'2020-01-01 01:01:01'),(33,20170223094154,1,'2020-01-01 01:01:01'),(34,20170306075207,1,'2020-01-01 01:01:01'),(35,20170309100733,1,'2020-01-01 01:01:01'),(36,20170331111922,1,'2020-01-01 01:01:01'),(37,20170502143928,1,'2020-01-01 01:01:01'),(38,20170504130602,1,'2020-01-01 01:01:01'),(39,20170509132100,1,'2020-01-01 01:01:01'),(40,20170519105647,1,'2020-01-01 01:01:01'),(41,20170519105648,1,'2020-01-01 01:01:01'),(42,20170831234300,1,'2020-01-01 01:01:01'),(43,20170831234301,1,'2020-01-01 01:01:01'),(44,20170831234303,1,'2020-01-01 01:01:01'),(45,20171116163618,1,'2020-01-01 01:01:01'),(46,20171219164727,1,'2020-01-01 01:01:01'),(47,20180620164811,1,'2020-01-01 01:01:01'),(48,20180620175054,1,'2020-01-01 01:01:01'),(49,20180620175055,1,'2020-01-01 01:01:01'),(50,20191010101639,1,'2020-01-01 01:01:01'),(51,20191010155147,1,'2020-01-01 01:01:01'),(52,20191220130734,1,'2020-01-01 01:01:01'),(53,20200311140000,1,'2020-01-01 01:01:01'),(54,20200405120000,1,'2020-01-01 01:01:01'),(55,20200407120000,1,'2020-01-01 01:01:01'),(56,20200420120000,1,'2020-01-01 01:01:01'),(57,20200504120000,1,'2020-01-01 01:01:01'),(58,20200512120000,1,'2020-01-01 01:01:01'),(59,20200707120000,1,'2020-01-01 01:01:01'),(60,20201011162341,1,'2020-01-01 01:01:01'),(61,20201021104586,1,'2020-01-01 01:01:01'),(62,20201102112520,1,'2020-01-01 01:01:01'),(63,20201208121729,1,'2020-01-01 01:01:01'),(64,20201215091637,1,'2020-01-01 01:01:01'),(65,20210119174155,1,'2020-01-01 01:01:01'),(66,20210326182902,1,'2020-01-01 01:01:01'),(67,20210421112652,1,'2020-01-01 01:01:01'),(68,20210506095025,1,'2020-01-01 01:01:01'),(69,20210513115729,1,'2020-01-01 01:01:01'),(70,20210526113559,1,'2020-01-01 01:01:01'),(71,20210601000001,1,'2020-01-01 01:01:01'),(72,20210601000002,1,'2020-01-01 01:01:01'),(73,20210601000003,1,'2020-01-01 01:01:01'),(74,20210601000004,1,'2020-01-01 01:01:01'),(75,20210601000005,1,'2020-01-01 01:01:01'),(76,20210601000006,1,'2020-01-01 01:01:01'),(77,20210601000007,1,'2020-01-01 01:01:01'),(78,20210601000008,1,'2020-01-01 01:01:01'),(79,20210606151329,1,'2020-01-01 01:01:01'),(80,20210616163757,1,'2020-01-01 01:01:01'),(81,20210617174723,1,'2020-01-01 01:01:01'),(82,20210622160235,1,'2020-01-01 01:01:01'),(83,20210623100031,1,'2020-01-01 01:01:01'),(84,20210623133615,1,'2020-01-01 01:01:01'),(85,20210708143152,1,'2020-01-01 01:01:01'),(86,20210709124443,1,'2020-01-01 01:01:01'),(87,20210712155608,1,'2020-01-01 01:01:01'),(88,20210714102108,1,'2020-01-01 01:01:01'),(89,20210719153709,1,'2020-01-01 01:01:01'),(90,20210721171531,1,'2020-01-01 01:01:01'),(91,20210723135713,1,'2020-01-01 01:01:01'),(92,20210802135933,1,'2020-01-01 01:01:01'),(93,20210806112844,1,'2020-01-01 01:01:01'),(94,20210810095603,1,'2020-01-01 01:01:01'),(95,20210811150223,1,'2020-01-01 01:01:01'),(96,20210816141251,1,'2020-01-01 01:01:01'),(97,20210818151827,1,'2020-01-01 01:01:01'),(98,20210818182258,1,'2020-01-01 01:01:01'),(99,20210819131107,1,'2020-01-01 01:01:01'),(100,20210819143446,1,'2020-01-01 01:01:01'),(101,20210903132338,1,'2020-01-01 01:01:01');
 /*!40101 SET @saved_cs_client     = @@character_set_client */;
 /*!40101 SET character_set_client = utf8 */;
 CREATE TABLE `network_interfaces` (

server/fleet/hosts.go

@@ -48,7 +48,6 @@ type HostListOptions struct {
 }
 
 type HostUser struct {
-	ID        uint   `json:"id" db:"id"`
 	Uid       uint   `json:"uid" db:"uid"`
 	Username  string `json:"username" db:"username"`
 	Type      string `json:"type" db:"user_type"`