109 lines
3.1 KiB
Java
109 lines
3.1 KiB
Java
package eu.dnetlib.common.app;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import javax.annotation.PostConstruct;
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import org.apache.maven.model.Model;
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import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
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import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.context.annotation.Bean;
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import org.springframework.core.io.ClassPathResource;
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import io.micrometer.core.instrument.ImmutableTag;
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import io.micrometer.core.instrument.Metrics;
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import io.micrometer.core.instrument.util.StringUtils;
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import io.swagger.v3.oas.models.OpenAPI;
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import io.swagger.v3.oas.models.info.Info;
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import io.swagger.v3.oas.models.info.License;
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import io.swagger.v3.oas.models.servers.Server;
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import io.swagger.v3.oas.models.tags.Tag;
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public abstract class AbstractDnetApp {
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private static final String DEFAULT_VERSION = "1.1";
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private static final String DEFAULT_DESC = "APIs documentation";
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private static final License APACHE_2_LICENSE = new License().name("Apache 2.0").url("http://www.apache.org/licenses/LICENSE-2.0");
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@Value("${maven.pom.path}")
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private ClassPathResource pom;
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@Value("${server.public_url}")
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private String serverPublicUrl;
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@Value("${server.public_desc}")
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private String serverPublicDesc;
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private static final Logger log = LoggerFactory.getLogger(AbstractDnetApp.class);
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@PostConstruct
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public void init() {
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final MavenXpp3Reader reader = new MavenXpp3Reader();
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try {
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final Model model = reader.read(new InputStreamReader(pom.getInputStream()));
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log.info(String.format("registering metric for %s", model.getArtifactId()));
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final ImmutableTag tag1 = new ImmutableTag("component", model.getGroupId() + ":" + model.getArtifactId());
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final ImmutableTag tag2 = new ImmutableTag("version", model.getVersion());
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final ImmutableTag tag3 = new ImmutableTag("scmtag", model.getScm().getTag());
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Metrics.gauge("micrometer_info", Arrays.asList(tag1, tag2, tag3), 1);
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} catch (IOException | XmlPullParserException e) {
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log.error("Error registering metric", e);
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}
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}
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@Bean
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public OpenAPI newSwaggerDocket() {
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final List<Server> servers = new ArrayList<>();
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if (StringUtils.isNotBlank(serverPublicUrl)) {
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final Server server = new Server();
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server.setUrl(serverPublicUrl);
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server.setDescription(serverPublicDesc);
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servers.add(server);
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}
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return new OpenAPI()
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.servers(servers)
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.info(getSwaggerInfo())
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.tags(swaggerTags());
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}
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private Info getSwaggerInfo() {
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return new Info()
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.title(swaggerTitle())
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.description(swaggerDesc())
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.version(swaggerVersion())
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.license(swaggerLicense());
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}
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protected abstract String swaggerTitle();
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protected String swaggerDesc() {
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return DEFAULT_DESC;
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}
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protected String swaggerVersion() {
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return DEFAULT_VERSION;
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}
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protected License swaggerLicense() {
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return APACHE_2_LICENSE;
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}
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protected List<Tag> swaggerTags() {
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return new ArrayList<>();
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}
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}
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