Examples with MigrationStatus com.emc.storageos.coordinator.client.model.MigrationStatus used on opensource projects

Example 6 with MigrationStatus

use of com.emc.storageos.coordinator.client.model.MigrationStatus in project coprhd-controller by CoprHD.

the class CoordinatorClientImpl method getControlNodesState.

/**
 * Get all control nodes' state
 *
 * @param targetGiven
 *            target repository
 * @param infos
 *            control nodes' repository
 * @param targetPropertiesGiven
 *            target property
 * @param configVersions
 *            control nodes' configVersions
 * @param targetPowerOffState
 *            target poweroff state
 * @param targetDrivers
 *            target driver list
 * @param drivers
 *            control nodes' driver lists
 * @param siteId
 * @return Control nodes' state
 */
private ClusterInfo.ClusterState getControlNodesState(final RepositoryInfo targetGiven, final Map<Service, RepositoryInfo> infos, final PropertyInfoRestRep targetPropertiesGiven, final Map<Service, ConfigVersion> configVersions, final Map<Service, VdcConfigVersion> vdcConfigVersions, final PowerOffState targetPowerOffState, final StorageDriversInfo targetDrivers, final Map<Service, StorageDriversInfo> drivers, String siteId) {
    if (targetGiven == null || targetPropertiesGiven == null || targetPowerOffState == null) {
        // only for first time target initializing
        return ClusterInfo.ClusterState.INITIALIZING;
    }
    DrUtil drUtil = new DrUtil(this);
    Site site = drUtil.getSiteFromLocalVdc(siteId);
    SiteState siteState = site.getState();
    int siteNodeCount = site.getNodeCount();
    if (infos == null || infos.size() != siteNodeCount || configVersions == null || configVersions.size() != siteNodeCount) {
        return ClusterInfo.ClusterState.DEGRADED;
    }
    if (siteState == SiteState.STANDBY_ERROR) {
        log.info("Control nodes' state DEGRADED since DR site state is STANDBY_ERROR");
        return ClusterInfo.ClusterState.DEGRADED;
    }
    // 1st. Find nodes which currents and versions are different from target's
    List<String> differentCurrents = getDifferentCurrentsCommon(targetGiven, infos);
    List<String> differentVersions = getDifferentVersionsCommon(targetGiven, infos);
    // 2nd. Find nodes which configVersions are different from target's
    // Note : we use config version to judge if properties on a node are sync-ed with target's.
    List<String> differentConfigVersions = getDifferentConfigVersionCommon(targetPropertiesGiven, configVersions);
    List<String> differentVdcConfigVersions = getDifferentVdcConfigVersionCommon(vdcConfigVersions);
    if (targetPowerOffState.getPowerOffState() != PowerOffState.State.NONE) {
        log.info("Control nodes' state POWERINGOFF");
        return ClusterInfo.ClusterState.POWERINGOFF;
    } else if (!differentConfigVersions.isEmpty()) {
        log.info("Control nodes' state UPDATING: {}", Strings.repr(targetPropertiesGiven));
        return ClusterInfo.ClusterState.UPDATING;
    } else if (!differentVdcConfigVersions.isEmpty()) {
        log.info("Control nodes' state UPDATING vdc config version: {}", Strings.repr(differentVdcConfigVersions));
        return ClusterInfo.ClusterState.UPDATING;
    } else if (siteState.isDROperationOngoing()) {
        log.info("Control nodes' state UPDATING since DR operation ongoing: {}", siteState);
        return ClusterInfo.ClusterState.UPDATING;
    } else if (!isControlNodesDriversSynced(targetDrivers, drivers)) {
        log.info("Control nodes' state UPDATING since not all nodes' drivers are synced with target");
        return ClusterInfo.ClusterState.UPDATING;
    } else if (differentCurrents.isEmpty() && differentVersions.isEmpty()) {
        // check for the extra upgrading states
        if (isDbSchemaVersionChanged()) {
            MigrationStatus status = getMigrationStatus();
            if (status == null) {
                log.info("Control nodes state is UPGRADING_PREP_DB ");
                return ClusterInfo.ClusterState.UPGRADING_PREP_DB;
            }
            log.info("Control nodes state is {}", status);
            switch(status) {
                case RUNNING:
                    return ClusterInfo.ClusterState.UPGRADING_CONVERT_DB;
                case FAILED:
                    return ClusterInfo.ClusterState.UPGRADING_FAILED;
                case DONE:
                    break;
                default:
                    log.error("The current db schema version doesn't match the target db schema version, " + "but the current migration status is {} ", status);
            }
        }
        log.info("Control nodes' state STABLE");
        return ClusterInfo.ClusterState.STABLE;
    } else if (differentCurrents.isEmpty()) {
        log.info("Control nodes' state SYNCING: {}", Strings.repr(differentVersions));
        return ClusterInfo.ClusterState.SYNCING;
    } else if (differentVersions.isEmpty()) {
        log.info("Control nodes' state UPGRADING: {}", Strings.repr(differentCurrents));
        return ClusterInfo.ClusterState.UPGRADING;
    } else {
        log.error("Control nodes' in an UNKNOWN state. Target given: {} {}", targetGiven, Strings.repr(infos));
        return ClusterInfo.ClusterState.UNKNOWN;
    }
}