forked from eclipse-che/che
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Provides direct access to the kubernetes API (eclipse-che#18367)
Fixes eclipse-che#18326 - Provides direct access to the kubernetes API on /api/unsupported/k8s. Restricted to OpenShift with OpenShift OAuth. Signed-off-by: Lukas Krejci <lkrejci@redhat.com>
- Loading branch information
Showing
20 changed files
with
1,223 additions
and
12 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
178 changes: 178 additions & 0 deletions
178
.../org/eclipse/che/workspace/infrastructure/kubernetes/DirectKubernetesAPIAccessHelper.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,178 @@ | ||
| /* | ||
| * Copyright (c) 2012-2018 Red Hat, Inc. | ||
| * This program and the accompanying materials are made | ||
| * available under the terms of the Eclipse Public License 2.0 | ||
| * which is available at https://www.eclipse.org/legal/epl-2.0/ | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Red Hat, Inc. - initial API and implementation | ||
| */ | ||
| package org.eclipse.che.workspace.infrastructure.kubernetes; | ||
|
|
||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.net.MalformedURLException; | ||
| import java.net.URI; | ||
| import java.net.URISyntaxException; | ||
| import java.net.URL; | ||
| import java.nio.charset.StandardCharsets; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import javax.ws.rs.core.HttpHeaders; | ||
| import javax.ws.rs.core.Response; | ||
| import okhttp3.Call; | ||
| import okhttp3.Headers; | ||
| import okhttp3.MediaType; | ||
| import okhttp3.OkHttpClient; | ||
| import okhttp3.Request; | ||
| import okhttp3.RequestBody; | ||
| import okhttp3.ResponseBody; | ||
| import okio.BufferedSink; | ||
| import org.eclipse.che.api.workspace.server.spi.InfrastructureException; | ||
| import org.eclipse.che.commons.annotation.Nullable; | ||
|
|
||
| public class DirectKubernetesAPIAccessHelper { | ||
| private static final String DEFAULT_MEDIA_TYPE = | ||
| javax.ws.rs.core.MediaType.APPLICATION_JSON_TYPE | ||
| .withCharset(StandardCharsets.UTF_8.name()) | ||
| .toString(); | ||
|
|
||
| private DirectKubernetesAPIAccessHelper() {} | ||
|
|
||
| /** | ||
| * This method just performs an HTTP request of given {@code httpMethod} on an URL composed of the | ||
| * {@code masterUrl} and {@code relativeUri} using the provided {@code httpClient}, optionally | ||
| * sending the provided {@code body}. | ||
| * | ||
| * @param masterUrl the base of the final URL | ||
| * @param httpClient the HTTP client to perform the request with | ||
| * @param httpMethod the HTTP method of the request | ||
| * @param relativeUri the relative URI that should be appended ot the {@code masterUrl} | ||
| * @param body the body to send with the request, if any | ||
| * @return the HTTP response received | ||
| * @throws InfrastructureException on failure to validate or perform the request | ||
| */ | ||
| public static Response call( | ||
| String masterUrl, | ||
| OkHttpClient httpClient, | ||
| String httpMethod, | ||
| URI relativeUri, | ||
| @Nullable HttpHeaders headers, | ||
| @Nullable InputStream body) | ||
| throws InfrastructureException { | ||
| if (relativeUri.isAbsolute() || relativeUri.isOpaque()) { | ||
| throw new InfrastructureException( | ||
| "The direct infrastructure URL must be relative and not opaque."); | ||
| } | ||
|
|
||
| try { | ||
| URL fullUrl = new URI(masterUrl).resolve(relativeUri).toURL(); | ||
| okhttp3.Response response = callApi(httpClient, fullUrl, httpMethod, headers, body); | ||
| return convertResponse(response); | ||
| } catch (URISyntaxException | MalformedURLException e) { | ||
| throw new InfrastructureException("Could not compose the direct URI.", e); | ||
| } catch (IOException e) { | ||
| throw new InfrastructureException("Error sending the direct infrastructure request.", e); | ||
| } | ||
| } | ||
|
|
||
| private static okhttp3.Response callApi( | ||
| OkHttpClient httpClient, | ||
| URL url, | ||
| String httpMethod, | ||
| @Nullable HttpHeaders headers, | ||
| @Nullable InputStream body) | ||
| throws IOException { | ||
| String mediaType = inputMediaType(headers); | ||
|
|
||
| RequestBody requestBody = | ||
| body == null ? null : new InputStreamBasedRequestBody(body, mediaType); | ||
|
|
||
| Call httpCall = | ||
| httpClient.newCall(prepareRequest(url, httpMethod, requestBody, toOkHttpHeaders(headers))); | ||
|
|
||
| return httpCall.execute(); | ||
| } | ||
|
|
||
| private static Request prepareRequest( | ||
| URL url, String httpMethod, RequestBody requestBody, Headers headers) { | ||
| return new Request.Builder().url(url).method(httpMethod, requestBody).headers(headers).build(); | ||
| } | ||
|
|
||
| private static Response convertResponse(okhttp3.Response response) { | ||
| Response.ResponseBuilder responseBuilder = Response.status(response.code()); | ||
|
|
||
| convertResponseHeaders(responseBuilder, response); | ||
| convertResponseBody(responseBuilder, response); | ||
|
|
||
| return responseBuilder.build(); | ||
| } | ||
|
|
||
| private static void convertResponseHeaders( | ||
| Response.ResponseBuilder responseBuilder, okhttp3.Response response) { | ||
| for (int i = 0; i < response.headers().size(); ++i) { | ||
| String name = response.headers().name(i); | ||
| String value = response.headers().value(i); | ||
| responseBuilder.header(name, value); | ||
| } | ||
| } | ||
|
|
||
| private static void convertResponseBody( | ||
| Response.ResponseBuilder responseBuilder, okhttp3.Response response) { | ||
| ResponseBody responseBody = response.body(); | ||
| if (responseBody != null) { | ||
| responseBuilder.entity(responseBody.byteStream()); | ||
| MediaType contentType = responseBody.contentType(); | ||
| if (contentType != null) { | ||
| responseBuilder.type(contentType.toString()); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private static String inputMediaType(@Nullable HttpHeaders headers) { | ||
| javax.ws.rs.core.MediaType mediaTypeHeader = headers == null ? null : headers.getMediaType(); | ||
| return mediaTypeHeader == null ? DEFAULT_MEDIA_TYPE : mediaTypeHeader.toString(); | ||
| } | ||
|
|
||
| private static Headers toOkHttpHeaders(HttpHeaders headers) { | ||
| Headers.Builder headersBuilder = new Headers.Builder(); | ||
|
|
||
| if (headers != null) { | ||
| for (Map.Entry<String, List<String>> e : headers.getRequestHeaders().entrySet()) { | ||
| String name = e.getKey(); | ||
| List<String> values = e.getValue(); | ||
| for (String value : values) { | ||
| headersBuilder.add(name, value); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return headersBuilder.build(); | ||
| } | ||
|
|
||
| private static final class InputStreamBasedRequestBody extends RequestBody { | ||
| private final InputStream inputStream; | ||
| private final MediaType mediaType; | ||
|
|
||
| private InputStreamBasedRequestBody(InputStream is, String contentType) { | ||
| this.inputStream = is; | ||
| this.mediaType = contentType == null ? null : MediaType.parse(contentType); | ||
| } | ||
|
|
||
| @Override | ||
| public MediaType contentType() { | ||
| return mediaType; | ||
| } | ||
|
|
||
| @Override | ||
| public void writeTo(BufferedSink sink) throws IOException { | ||
| byte[] buffer = new byte[1024]; | ||
| int cnt; | ||
| while ((cnt = inputStream.read(buffer)) != -1) { | ||
| sink.write(buffer, 0, cnt); | ||
| } | ||
| } | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.