//!
//! For MIDONET VPC mode, all is done in this driver API.
//!
//! @param[in] pGni a pointer to the Global Network Information structure
//! @param[in] pLni a pointer to the Local Network Information structure
//!
//! @return EUCANETD_RUN_NO_API or EUCANETD_RUN_ERROR_API
//!
//! @see
//!
//! @pre
//!     - Both pGni and pLni must not be NULL
//!     - The driver must be initialized prior to calling this API.
//!
//! @post
//!
//! @note
//!
static u32 network_driver_system_scrub(globalNetworkInfo *pGni, globalNetworkInfo *pGniApplied, lni_t *pLni)
{
    int rc = 0;
    u32 ret = EUCANETD_RUN_NO_API;
    char versionFile[EUCA_MAX_PATH];
    int check_tz_attempts = 30;
    struct timeval tv;

    eucanetd_timer(&tv);
    // Make sure midoname buffer is available
    midonet_api_cache_midos_init();

    if (!gTunnelZoneOk) {
        LOGINFO("Checking MidoNet tunnel-zone.\n");
        rc = 1;
    }
    while (!gTunnelZoneOk) {
        // Check tunnel-zone
        rc = check_mido_tunnelzone();
        if (rc) {
            if ((--check_tz_attempts) > 0) {
                sleep(3);
            } else {
                LOGERROR("Cannot proceed without a valid tunnel-zone.\n");
                return (EUCANETD_RUN_ERROR_API);
            }
        } else {
            gTunnelZoneOk = TRUE;
        }
    }

    bzero(versionFile, EUCA_MAX_PATH);

    // Is the driver initialized?
    if (!IS_INITIALIZED()) {
        LOGERROR("Failed to scrub the system for network artifacts. Driver '%s' not initialized.\n", DRIVER_NAME());
        return (ret);
    }
    // Need a valid global network view
    if (!pGni) {
        LOGERROR("Failed to scrub the system for '%s' network driver. Invalid parameters provided.\n", DRIVER_NAME());
        return (ret);
    }

    LOGTRACE("euca VPCMIDO cache state: %s\n", midonet_api_system_changed == 0 ? "CLEAN" : "DIRTY");
    rc = do_midonet_update(pGni, pGniApplied, pMidoConfig);

    if (rc != 0) {
        LOGERROR("failed to update midonet: check log for details\n");
        // Invalidate mido cache - force repopulate
        midonet_api_system_changed = 1;
        ret = EUCANETD_RUN_ERROR_API;
    } else {
        LOGTRACE("Networking state sync: updated successfully in %.2f ms\n", eucanetd_timer_usec(&tv) / 1000.0);
    }

    return (ret);
}
Beispiel #2
0
//!
//! For MIDONET VPC mode, all is done in this driver API.
//!
//! @param[in] pGni a pointer to the Global Network Information structure
//! @param[in] pLni a pointer to the Local Network Information structure
//!
//! @return EUCANETD_RUN_NO_API or EUCANETD_RUN_ERROR_API
//!
//! @see
//!
//! @pre
//!     - Both pGni and pLni must not be NULL
//!     - The driver must be initialized prior to calling this API.
//!
//! @post
//!
//! @note
//!
static u32 network_driver_system_scrub(globalNetworkInfo *pGni, globalNetworkInfo *pGniApplied, lni_t *pLni)
{
    int rc = 0;
    u32 ret = EUCANETD_RUN_NO_API;
    char versionFile[EUCA_MAX_PATH];
    int check_tz_attempts = 30;
    struct timeval tv;

    eucanetd_timer(&tv);
    // Make sure midoname buffer is available
    midonet_api_cache_midos_init();

    if (!gTunnelZoneOk) {
        LOGDEBUG("Checking MidoNet tunnel-zone.\n");
        rc = 1;
    }
    while (!gTunnelZoneOk) {
        // Check tunnel-zone
        rc = check_mido_tunnelzone();
        if (rc) {
            if ((--check_tz_attempts) > 0) {
                sleep(3);
            } else {
                LOGERROR("Cannot proceed without a valid tunnel-zone.\n");
                return (EUCANETD_RUN_ERROR_API);
            }
        } else {
            gTunnelZoneOk = TRUE;
        }
    }

    bzero(versionFile, EUCA_MAX_PATH);

    // Need a valid global network view
    if (!pGni) {
        LOGERROR("Failed to scrub the system for '%s' network driver. Invalid parameters provided.\n", DRIVER_NAME());
        return (ret);
    }

    if (!IS_INITIALIZED() || (pGni && pGniApplied && cmp_gni_vpcmido_config(pGni, pGniApplied))) {
        LOGINFO("(re)initializing %s driver.\n", DRIVER_NAME());
        if (pMidoConfig) {
            eucanetdConfig *configbak = pMidoConfig->config;
            free_mido_config(pMidoConfig);
            pMidoConfig->config = configbak;
        } else {
            LOGERROR("failed to (re)initialize config options: VPCMIDO driver not initialized\n");
            return (EUCANETD_RUN_ERROR_API);
        }
        //rc = initialize_mido(pMidoConfig, config->eucahome, config->flushmode,
        //        config->disable_l2_isolation, config->midoeucanetdhost, config->midogwhosts,
        //        config->midopubnw, config->midopubgwip, "169.254.0.0", "17");
        rc = initialize_mido(pMidoConfig, pMidoConfig->config, "169.254.0.0", "17");
        if (rc) {
            LOGERROR("failed to (re)initialize config options\n");
            return (EUCANETD_RUN_ERROR_API);
        }
        pGniApplied = NULL;
    }
    LOGTRACE("euca VPCMIDO system state: %s\n", midonet_api_system_changed == 0 ? "CLEAN" : "DIRTY");
    rc = do_midonet_update(pGni, pGniApplied, pMidoConfig);

    if (rc != 0) {
        LOGERROR("failed to update midonet: check log for details\n");
        if (rc < 0) {
            // Accept errors in instances/interface implementation.
            ret = EUCANETD_VPCMIDO_IFERROR;
        } else {
            ret = EUCANETD_RUN_ERROR_API;
        }
    } else {
        LOGTRACE("Networking state sync: updated successfully in %.2f ms\n", eucanetd_timer_usec(&tv) / 1000.0);
    }

    return (ret);
}