com.netflix.spinnaker.halyard.config.validate.v1.DeploymentConfigurationValidator.java Source code

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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.config.validate.v1;

import com.netflix.spinnaker.halyard.config.model.v1.node.DeploymentConfiguration;
import com.netflix.spinnaker.halyard.config.model.v1.node.Validator;
import com.netflix.spinnaker.halyard.config.problem.v1.ConfigProblemSetBuilder;
import com.netflix.spinnaker.halyard.config.services.v1.VersionsService;
import com.netflix.spinnaker.halyard.core.error.v1.HalException;
import com.netflix.spinnaker.halyard.core.problem.v1.Problem;
import com.netflix.spinnaker.halyard.core.registry.v1.Versions;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.Arrays;
import java.util.Objects;
import java.util.Optional;
import java.util.TimeZone;

@Component
public class DeploymentConfigurationValidator extends Validator<DeploymentConfiguration> {
    @Autowired
    VersionsService versionsService;

    @Override
    public void validate(ConfigProblemSetBuilder p, DeploymentConfiguration n) {
        String timezone = n.getTimezone();

        if (Arrays.stream(TimeZone.getAvailableIDs()).noneMatch(t -> t.equals(timezone))) {
            p.addProblem(Problem.Severity.ERROR,
                    "Timezone " + timezone + " does not match any known canonical timezone ID").setRemediation(
                            "Pick a timezone from those listed here: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones");
        }

        String version = n.getVersion();
        Versions versions = versionsService.getVersions();

        if (StringUtils.isEmpty(version)) {
            p.addProblem(Problem.Severity.WARNING, "You have not yet selected a version of Spinnaker to deploy.",
                    "version");
            return;
        }

        Optional<Versions.IllegalVersion> illegalVersion = versions.getIllegalVersions().stream()
                .filter(v -> v.getVersion().equals(version)).findAny();

        if (illegalVersion.isPresent()) {
            p.addProblem(Problem.Severity.ERROR, "Version \"" + version
                    + "\" may no longer be deployed with Halyard: " + illegalVersion.get().getReason());
            return;
        }

        try {
            versionsService.getBillOfMaterials(version);
        } catch (HalException e) {
            p.extend(e);
            return;
        } catch (Exception e) {
            p.addProblem(Problem.Severity.FATAL,
                    "Unexpected error trying to validate version \"" + version + "\": " + e.getMessage(),
                    "version");
            return;
        }

        boolean isReleased = versions.getVersions().stream().anyMatch(v -> Objects.equals(v.getVersion(), version));

        if (!isReleased) {
            // Checks if version is of the form X.Y.Z
            if (version.matches("\\d+\\.\\d+\\.\\d+")) {
                String majorMinor = Versions.toMajorMinor(version);
                Optional<Versions.Version> patchVersion = versions.getVersions().stream()
                        .map(v -> new ImmutablePair<>(v, Versions.toMajorMinor(v.getVersion())))
                        .filter(v -> v.getRight() != null).filter(v -> v.getRight().equals(majorMinor))
                        .map(ImmutablePair::getLeft).findFirst();

                if (patchVersion.isPresent()) {
                    p.addProblem(Problem.Severity.WARNING,
                            "Version \"" + version + "\" was patched by \"" + patchVersion.get().getVersion()
                                    + "\". Please upgrade when possible.")
                            .setRemediation("https://spinnaker.io/setup/install/upgrades/");
                } else {
                    p.addProblem(Problem.Severity.WARNING, "Version \"" + version
                            + "\" is no longer supported by the Spinnaker team. Please upgrade when possible.")
                            .setRemediation("https://spinnaker.io/setup/install/upgrades/");
                }
            } else {
                p.addProblem(Problem.Severity.WARNING,
                        "Version \"" + version + "\" is not a released (validated) version of Spinnaker.",
                        "version");
            }
        }
    }
}