diff options
| -rw-r--r-- | mgmtd/mgmt_fe_adapter.c | 3 | ||||
| -rw-r--r-- | mgmtd/mgmt_txn.c | 28 | ||||
| -rw-r--r-- | vtysh/vtysh_config.c | 8 |
3 files changed, 32 insertions, 7 deletions
diff --git a/mgmtd/mgmt_fe_adapter.c b/mgmtd/mgmt_fe_adapter.c index 001da7680..ec8e77335 100644 --- a/mgmtd/mgmt_fe_adapter.c +++ b/mgmtd/mgmt_fe_adapter.c @@ -711,9 +711,6 @@ mgmt_fe_session_handle_setcfg_req_msg(struct mgmt_fe_session_ctx *session, } if (session->cfg_txn_id == MGMTD_TXN_ID_NONE) { - /* as we have the lock no-one else should have a config txn */ - assert(!mgmt_config_txn_in_progress()); - /* Start a CONFIG Transaction (if not started already) */ session->cfg_txn_id = mgmt_create_txn(session->session_id, MGMTD_TXN_TYPE_CONFIG); diff --git a/mgmtd/mgmt_txn.c b/mgmtd/mgmt_txn.c index df2a1d852..664f42f4b 100644 --- a/mgmtd/mgmt_txn.c +++ b/mgmtd/mgmt_txn.c @@ -105,6 +105,7 @@ struct mgmt_commit_cfg_req { uint8_t abort : 1; uint8_t implicit : 1; uint8_t rollback : 1; + uint8_t init : 1; /* Track commit phases */ enum mgmt_commit_phase phase; @@ -750,6 +751,14 @@ static int mgmt_txn_send_commit_cfg_reply(struct mgmt_txn_ctx *txn, mgmt_history_rollback_complete(success); } + if (txn->commit_cfg_req->req.commit_cfg.init) { + /* + * This is the backend init request. + * We need to unlock the running datastore. + */ + mgmt_ds_unlock(txn->commit_cfg_req->req.commit_cfg.dst_ds_ctx); + } + txn->commit_cfg_req->req.commit_cfg.cmt_stats = NULL; mgmt_txn_req_free(&txn->commit_cfg_req); @@ -2081,15 +2090,26 @@ int mgmt_txn_notify_be_adapter_conn(struct mgmt_be_client_adapter *adapter, struct mgmt_commit_cfg_req *cmtcfg_req; static struct mgmt_commit_stats dummy_stats; struct nb_config_cbs *adapter_cfgs = NULL; + struct mgmt_ds_ctx *ds_ctx; memset(&dummy_stats, 0, sizeof(dummy_stats)); if (connect) { - /* Get config for this single backend client */ + ds_ctx = mgmt_ds_get_ctx_by_id(mm, MGMTD_DS_RUNNING); + assert(ds_ctx); + + /* + * Lock the running datastore to prevent any changes while we + * are initializing the backend. + */ + if (mgmt_ds_lock(ds_ctx, 0) != 0) + return -1; + /* Get config for this single backend client */ mgmt_be_get_adapter_config(adapter, &adapter_cfgs); if (!adapter_cfgs || RB_EMPTY(nb_config_cbs, adapter_cfgs)) { SET_FLAG(adapter->flags, MGMTD_BE_ADAPTER_FLAGS_CFG_SYNCED); + mgmt_ds_unlock(ds_ctx); return 0; } @@ -2101,6 +2121,7 @@ int mgmt_txn_notify_be_adapter_conn(struct mgmt_be_client_adapter *adapter, if (!txn) { __log_err("Failed to create CONFIG Transaction for downloading CONFIGs for client '%s'", adapter->name); + mgmt_ds_unlock(ds_ctx); nb_config_diff_del_changes(adapter_cfgs); return -1; } @@ -2114,10 +2135,11 @@ int mgmt_txn_notify_be_adapter_conn(struct mgmt_be_client_adapter *adapter, txn_req = mgmt_txn_req_alloc(txn, 0, MGMTD_TXN_PROC_COMMITCFG); txn_req->req.commit_cfg.src_ds_id = MGMTD_DS_NONE; txn_req->req.commit_cfg.src_ds_ctx = 0; - txn_req->req.commit_cfg.dst_ds_id = MGMTD_DS_NONE; - txn_req->req.commit_cfg.dst_ds_ctx = 0; + txn_req->req.commit_cfg.dst_ds_id = MGMTD_DS_RUNNING; + txn_req->req.commit_cfg.dst_ds_ctx = ds_ctx; txn_req->req.commit_cfg.validate_only = false; txn_req->req.commit_cfg.abort = false; + txn_req->req.commit_cfg.init = true; txn_req->req.commit_cfg.cmt_stats = &dummy_stats; txn_req->req.commit_cfg.cfg_chgs = adapter_cfgs; diff --git a/vtysh/vtysh_config.c b/vtysh/vtysh_config.c index 888f6a8c2..15bcd343c 100644 --- a/vtysh/vtysh_config.c +++ b/vtysh/vtysh_config.c @@ -616,7 +616,13 @@ static int vtysh_read_file(FILE *confp, bool dry_run) vty->node = CONFIG_NODE; vtysh_execute_no_pager("enable"); - vtysh_execute_no_pager("conf term file-lock"); + /* + * When reading the config, we need to wait until the lock is acquired. + * If we ignore the failure and continue without the lock, the config + * will be fully ignored. + */ + while (vtysh_execute_no_pager("conf term file-lock") == CMD_WARNING_CONFIG_FAILED) + usleep(100000); vty->vtysh_file_locked = true; if (!dry_run) |