Create health check module

Create ves-hv-collector-health-check module with dummy api server and connect it with ves-hv-collector-main
This is a preparation for health check mechanism implementation

Change-Id: I2f668ab7337b1ed7e2afea6c56f34880de3ef1b5
Issue-ID: DCAEGEN2-659
Signed-off-by: Jakub Dudycz <jakub.dudycz@nokia.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/hv-collector-health-check/src/main/kotlin/org/onap/dcae/collectors/veshv/healthcheck/http/HealthCheckApiServer.kt b/hv-collector-health-check/src/main/kotlin/org/onap/dcae/collectors/veshv/healthcheck/http/HealthCheckApiServer.kt
new file mode 100644
index 00000000..9cab031a
--- /dev/null
+++ b/hv-collector-health-check/src/main/kotlin/org/onap/dcae/collectors/veshv/healthcheck/http/HealthCheckApiServer.kt
@@ -0,0 +1,49 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018 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.onap.dcae.collectors.veshv.healthcheck.http
+
+import arrow.effects.IO
+import ratpack.handling.Chain
+import ratpack.http.Status
+import ratpack.server.RatpackServer
+import ratpack.server.ServerConfig
+
+/**
+ * @author Jakub Dudycz <jakub.dudycz@nokia.com>
+ * @since August 2018
+ */
+class HealthCheckApiServer {
+
+    fun start(port: Int): IO<RatpackServer> = IO {
+        RatpackServer
+                .start {
+                    it
+                            .serverConfig(ServerConfig.embedded().port(port).development(false))
+                            .handlers(this::configureHandlers)
+                }
+    }
+
+    private fun configureHandlers(chain: Chain) {
+        chain
+                .get("healthcheck") { ctx ->
+                    ctx.response.status(Status.OK).send()
+                }
+    }
+}
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