Examples with FlowRuleService org.onosproject.net.flow.FlowRuleService used on opensource projects

Example 51 with FlowRuleService

use of org.onosproject.net.flow.FlowRuleService in project onos by opennetworkinglab.

the class K8sPurgeRulesCommand method doExecute.

@Override
protected void doExecute() {
    FlowRuleService flowRuleService = get(FlowRuleService.class);
    GroupService groupService = get(GroupService.class);
    CoreService coreService = get(CoreService.class);
    K8sNodeService k8sNodeService = get(K8sNodeService.class);
    ApplicationId appId = coreService.getAppId(K8S_NETWORKING_APP_ID);
    if (appId == null) {
        error("Failed to purge kubernetes networking flow rules.");
        return;
    }
    flowRuleService.removeFlowRulesById(appId);
    print("Successfully purged flow rules installed by kubernetes networking app.");
    boolean result = true;
    long timeoutExpiredMs = System.currentTimeMillis() + TIMEOUT_MS;
    // we make sure all flow rules are removed from the store
    while (stream(flowRuleService.getFlowEntriesById(appId).spliterator(), false).count() > 0) {
        long waitMs = timeoutExpiredMs - System.currentTimeMillis();
        try {
            sleep(SLEEP_MS);
        } catch (InterruptedException e) {
            log.error("Exception caused during rule purging...");
        }
        if (stream(flowRuleService.getFlowEntriesById(appId).spliterator(), false).count() == 0) {
            break;
        } else {
            flowRuleService.removeFlowRulesById(appId);
            print("Failed to purging flow rules, retrying rule purging...");
        }
        if (waitMs <= 0) {
            result = false;
            break;
        }
    }
    for (K8sNode node : k8sNodeService.completeNodes()) {
        for (Group group : groupService.getGroups(node.intgBridge(), appId)) {
            groupService.removeGroup(node.intgBridge(), group.appCookie(), appId);
        }
    }
    if (result) {
        print("Successfully purged flow rules!");
    } else {
        error("Failed to purge flow rules.");
    }
}