org.opennms.plugins.cloud.srv.tsaas.CloudHealthCheck Maven / Gradle / Ivy

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 * This file is part of OpenNMS(R).
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 * Copyright (C) 2022 The OpenNMS Group, Inc.
 * OpenNMS(R) is Copyright (C) 1999-2022 The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published
 * by the Free Software Foundation, either version 3 of the License,
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 * OpenNMS(R) is distributed in the hope that it will be useful,
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
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 * along with OpenNMS(R).  If not, see:
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package org.opennms.plugins.cloud.srv.tsaas;

import static org.opennms.integration.api.v1.health.Status.Failure;
import static org.opennms.plugins.cloud.config.ConfigurationManager.ConfigStatus.AUTHENTCATED;
import static org.opennms.plugins.cloud.config.ConfigurationManager.ConfigStatus.FAILED;
import static org.opennms.plugins.cloud.config.ConfigurationManager.ConfigStatus.NOT_ATTEMPTED;

import java.util.Objects;

import org.opennms.integration.api.v1.health.Context;
import org.opennms.integration.api.v1.health.HealthCheck;
import org.opennms.integration.api.v1.health.Response;
import org.opennms.integration.api.v1.health.Status;
import org.opennms.integration.api.v1.health.immutables.ImmutableResponse;
import org.opennms.plugins.cloud.config.ConfigurationManager;
import org.opennms.tsaas.Tsaas;

/**
 * Exposes the health of the cloud service to OIA.
 * Call in karaf shell via opennms:health-check
 */
public class CloudHealthCheck implements HealthCheck {

    private final ConfigurationManager cm;
    private final TsaasStorage cloud;

    public CloudHealthCheck(final ConfigurationManager cm, final TsaasStorage cloud) {
        this.cm = Objects.requireNonNull(cm);
        this.cloud = Objects.requireNonNull(cloud);
    }

    @Override
    public String getDescription() {
        return "Cloud status";
    }

    @Override
    public Response perform(final Context context) throws Exception {
        Status status;
        String message;
        if (cm.getStatus() == FAILED) {
            status = Failure;
            message = String.format("Cloud init failed (status=%s)", FAILED);
        } else if (cm.getStatus() == NOT_ATTEMPTED) {
            status = Status.Success;
            message = String.format("Cloud init not attempted (status=%s)", NOT_ATTEMPTED);
        } else if (cm.getStatus() == AUTHENTCATED) {
            status = Status.Starting;
            message = String.format("Cloud init successful, configuration has not happened yet (status=%s)", AUTHENTCATED);
        } else {
            Tsaas.CheckHealthResponse response = cloud.checkHealth();
            status = toStatus(response.getStatus());
            message = String.format("Cloud status=%s", response.getStatus().name());
        }
        return ImmutableResponse.newInstance(status, message);
    }

    private Status toStatus(Tsaas.CheckHealthResponse.ServingStatus cloudStatus) {
        if (cloudStatus == Tsaas.CheckHealthResponse.ServingStatus.SERVING) {
            return Status.Success;
        }
        return Failure;
    }
}