com.netflix.spinnaker.halyard.core.registry.v1.BillOfMaterials.java Source code

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Here is the source code for com.netflix.spinnaker.halyard.core.registry.v1.BillOfMaterials.java

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/*
 * Copyright 2017 Google, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License")
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package com.netflix.spinnaker.halyard.core.registry.v1;

import com.fasterxml.jackson.annotation.JsonProperty;
import lombok.Data;

import java.lang.reflect.Field;
import java.util.Arrays;
import java.util.Optional;

@Data
public class BillOfMaterials {
    String version;
    String timestamp;
    String hostname;
    Services services;
    Dependencies dependencies;

    @Data
    static class Dependencies {
        Artifact redis;
        Artifact consul;
        Artifact vault;

        String getArtifactVersion(String artifactName) {
            return getFieldVersion(Dependencies.class, this, artifactName);
        }
    }

    @Data
    static class Services {
        Artifact echo;
        Artifact clouddriver;
        Artifact deck;
        Artifact fiat;
        Artifact front50;
        Artifact gate;
        Artifact igor;
        Artifact orca;
        Artifact rosco;
        @JsonProperty("monitoring-third-party")
        Artifact monitoringThirdParty;
        @JsonProperty("monitoring-daemon")
        Artifact monitoringDaemon;
        Artifact spinnaker;

        String getArtifactVersion(String artifactName) {
            return getFieldVersion(Services.class, this, artifactName);
        }
    }

    @Data
    static class Artifact {
        String version;
    }

    static private <T> String getFieldVersion(Class<T> clazz, T obj, String artifactName) {
        Optional<Field> field = Arrays.stream(clazz.getDeclaredFields()).filter(f -> {
            boolean nameMatches = f.getName().equals(artifactName);
            boolean propertyMatches = false;
            JsonProperty property = f.getDeclaredAnnotation(JsonProperty.class);
            if (property != null) {
                propertyMatches = property.value().equals(artifactName);
            }
            return nameMatches || propertyMatches;
        }).findFirst();

        try {
            return ((Artifact) field.orElseThrow(() -> new NoKnownArtifact(artifactName)).get(obj)).getVersion();
        } catch (IllegalAccessException e) {
            throw new RuntimeException(e);
        } catch (NullPointerException e) {
            throw new RuntimeException("Versioned artifact " + artifactName + " is not listed in the BOM");
        }
    }

    static class NoKnownArtifact extends RuntimeException {
        NoKnownArtifact(String msg) {
            super(msg);
        }
    }

    public String getArtifactVersion(String artifactName) {
        try {
            return services.getArtifactVersion(artifactName);
        } catch (NoKnownArtifact ignored) {
        }

        try {
            return dependencies.getArtifactVersion(artifactName);
        } catch (NoKnownArtifact ignored) {
        }

        throw new IllegalArgumentException("No artifact with name " + artifactName + " could be found in the BOM");
    }
}