X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=webapp-backend%2Fsrc%2Fmain%2Fjava%2Forg%2Foransc%2Fric%2Fportal%2Fdashboard%2Fcontroller%2FCaasIngressController.java;fp=webapp-backend%2Fsrc%2Fmain%2Fjava%2Forg%2Foransc%2Fric%2Fportal%2Fdashboard%2Fcontroller%2FCaasIngressController.java;h=c7960180a4c197d9c22c79a3f3fedac8b0f8e0b7;hb=55472d9367cf229b2b87a625a8aa1dfb822cbaad;hp=0000000000000000000000000000000000000000;hpb=63691d3d9377a0cf86923be38202ccbf87872bcd;p=portal%2Fric-dashboard.git

diff --git a/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/controller/CaasIngressController.java b/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/controller/CaasIngressController.java
new file mode 100644
index 00000000..c7960180
--- /dev/null
+++ b/webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/controller/CaasIngressController.java
@@ -0,0 +1,109 @@
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 AT&T Intellectual Property and Nokia
+ * %%
+ * 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.
+ * ========================LICENSE_END===================================
+ */
+package org.oransc.ric.portal.dashboard.controller;
+
+import java.lang.invoke.MethodHandles;
+import java.security.KeyManagementException;
+import java.security.NoSuchAlgorithmException;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.oransc.ric.portal.dashboard.DashboardConstants;
+import org.oransc.ric.portal.dashboard.k8sapi.SimpleKubernetesClient;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.security.access.annotation.Secured;
+import org.springframework.util.Assert;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import io.swagger.annotations.ApiOperation;
+
+/**
+ * Proxies calls from the front end to a CAAS-Ingress API, which is a proxy for
+ * a Kubernetes API.
+ * 
+ * If a method throws RestClientResponseException, it is handled by
+ * {@link CustomResponseEntityExceptionHandler#handleProxyMethodException(Exception, org.springframework.web.context.request.WebRequest)}
+ * which returns status 502. All other exceptions are handled by Spring which
+ * returns status 500.
+ */
+@Configuration
+@RestController
+@RequestMapping(value = CaasIngressController.CONTROLLER_PATH, produces = MediaType.APPLICATION_JSON_VALUE)
+public class CaasIngressController {
+
+	private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+	// Publish constants so tests are easy to write
+	public static final String CONTROLLER_PATH = DashboardConstants.ENDPOINT_PREFIX + "/caas-ingress";
+	// Endpoints
+	public static final String PODS_METHOD = "/pods";
+	// Path parameters
+	public static final String PP_CLUSTER = "cluster";
+	public static final String PP_NAMESPACE = "namespace";
+	// Parameter values
+	public static final String CLUSTER_AUX = "aux";
+	public static final String CLUSTER_PLT = "plt";
+	public static final String CLUSTER_RIC = "ric"; // alternate for PLT
+
+	private final SimpleKubernetesClient ciAuxClient;
+	private final SimpleKubernetesClient ciPltClient;
+
+	@Autowired
+	public CaasIngressController(final SimpleKubernetesClient ciAuxApi, final SimpleKubernetesClient ciPltApi)
+			throws KeyManagementException, NoSuchAlgorithmException {
+		Assert.notNull(ciAuxApi, "auxApi must not be null");
+		Assert.notNull(ciPltApi, "pltApi must not be null");
+		this.ciAuxClient = ciAuxApi;
+		this.ciPltClient = ciPltApi;
+		if (logger.isDebugEnabled())
+			logger.debug("ctor: configured with aux api {}, plt api {}", ciAuxClient.getClass().getName(),
+					ciPltClient.getClass().getName());
+	}
+
+	/*
+	 * No need to parse the V1PodList, just pass thru as a string.
+	 */
+	@ApiOperation(value = "Gets list of pods in the specified cluster for the specified namespace", response = String.class)
+	@GetMapping(PODS_METHOD + "/" + PP_CLUSTER + "/{" + PP_CLUSTER + "}" + "/" + PP_NAMESPACE + "/{" + PP_NAMESPACE
+			+ "}")
+	@Secured({ DashboardConstants.ROLE_ADMIN, DashboardConstants.ROLE_STANDARD })
+	public String listPods(@PathVariable(PP_CLUSTER) String cluster, @PathVariable(PP_NAMESPACE) String namespace,
+			HttpServletResponse response) {
+		logger.debug("listPods: cluster {}, namespace {}", cluster, namespace);
+		if (CLUSTER_AUX.equalsIgnoreCase(cluster)) {
+			return ciAuxClient.listPods(namespace);
+		} else if (CLUSTER_PLT.equalsIgnoreCase(cluster) || CLUSTER_RIC.equalsIgnoreCase(cluster)) {
+			return ciPltClient.listPods(namespace);
+		} else {
+			logger.warn("listPods: unknown cluster {}", cluster);
+			response.setStatus(HttpStatus.BAD_REQUEST.value());
+			return null;
+		}
+	}
+
+}