52 lines
1.7 KiB
Groovy
52 lines
1.7 KiB
Groovy
import org.elasticsearch.gradle.VersionProperties
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apply plugin: 'distribution'
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ext.version = VersionProperties.elasticsearch
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// This project pulls a snapshot version of the ML cpp artifacts and sets that as the artifact
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// for this project so it can be used with dependency substitution.
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void getZip(File snapshotZip) {
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String zipUrl = "http://prelert-artifacts.s3.amazonaws.com/maven/org/elasticsearch/ml/ml-cpp/${version}/ml-cpp-${version}.zip"
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File snapshotMd5 = new File(snapshotZip.toString() + '.md5')
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HttpURLConnection conn = (HttpURLConnection) new URL(zipUrl).openConnection();
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// do a HEAD first to check the zip hash against the local file
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conn.setRequestMethod('HEAD');
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if (conn.getResponseCode() != HttpURLConnection.HTTP_OK) {
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throw new GradleException('ML cpp snapshot does not exist')
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}
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String remoteMd5 = conn.getHeaderField('ETag')
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if (snapshotZip.exists()) {
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// do a HEAD first to check the zip hash against the local file
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String localMd5 = snapshotMd5.getText('UTF-8')
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if (remoteMd5.equals(localMd5)) {
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logger.info('Using cached ML snapshot')
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return
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}
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}
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snapshotZip.bytes = new URL(zipUrl).bytes
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snapshotMd5.setText(remoteMd5, 'UTF-8')
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}
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File snapshotZip = new File(projectDir, ".cache/ml-cpp-${version}.zip")
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task downloadMachineLearningSnapshot {
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onlyIf {
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// skip if ml-cpp is being built locally
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findProject(':ml-cpp') == null &&
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// skip for offline builds - just rely on the artifact already having been downloaded before here
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project.gradle.startParameter.isOffline() == false
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}
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doFirst {
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snapshotZip.parentFile.mkdirs()
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getZip(snapshotZip)
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}
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}
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artifacts {
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'default' file: snapshotZip, name: 'ml-cpp', type: 'zip', builtBy: downloadMachineLearningSnapshot
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}
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