Springboot-based SLI-API

Implement SLI-API RESTCONF in springboot

Change-Id: I8b9b07e3b1aeb4a5adac977307c6f95c905ea038
Issue-ID: CCSDK-2096
Signed-off-by: Dan Timoney <dtimoney@att.com>

2 files changed, 236 insertions, 0 deletions

diff --git a/sliapi/springboot/src/main/java/org/onap/ccsdk/sli/core/sliapi/springboot/ExecuteGraphController.java b/sliapi/springboot/src/main/java/org/onap/ccsdk/sli/core/sliapi/springboot/ExecuteGraphController.java
new file mode 100644
index 000000000..6c024108b
--- /dev/null
+++ b/sliapi/springboot/src/main/java/org/onap/ccsdk/sli/core/sliapi/springboot/ExecuteGraphController.java
@@ -0,0 +1,110 @@
+package org.onap.ccsdk.sli.core.sliapi.springboot;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Properties;
+
+import com.google.gson.*;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.core.sli.SvcLogicLoader;
+import org.onap.ccsdk.sli.core.sli.provider.SvcLogicClassResolver;
+import org.onap.ccsdk.sli.core.sli.provider.SvcLogicPropertiesProviderImpl;
+import org.onap.ccsdk.sli.core.sli.provider.SvcLogicService;
+import org.onap.ccsdk.sli.core.sli.provider.SvcLogicServiceImpl;
+import org.onap.ccsdk.sli.core.sli.provider.base.InMemorySvcLogicStore;
+import org.onap.ccsdk.sli.core.sli.provider.base.SvcLogicResolver;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+
+@Controller
+@EnableAutoConfiguration
+public class ExecuteGraphController {
+    static SvcLogicService svc;
+    private static final Logger LOGGER = LoggerFactory.getLogger(ExecuteGraphController.class);
+
+    @RequestMapping(value = "/executeGraph", method = RequestMethod.POST)
+    @ResponseBody
+    public HashMap<String, String> executeGraph(@RequestBody String input) {
+        LOGGER.error("In request");
+        LOGGER.error(input);
+
+        HashMap<String, String> hash = new HashMap<String, String>();
+        Properties parms = new Properties();
+
+        hash.put("status", "success");
+        JsonObject jsonInput = new Gson().fromJson(input, JsonObject.class);
+        JsonObject passthroughObj = jsonInput.get("input").getAsJsonObject();
+
+        writeResponseToCtx(passthroughObj.toString(), parms, "input");
+
+        JsonObject inputObject = jsonInput.get("graphDetails").getAsJsonObject();
+        try {
+            // Any of these can throw a nullpointer exception
+            String calledModule = inputObject.get("module").getAsString();
+            String calledRpc = inputObject.get("rpc").getAsString();
+            String modeStr = inputObject.get("mode").getAsString();
+            // execute should only throw a SvcLogicException
+            Properties respProps = svc.execute(calledModule, calledRpc, null, modeStr, parms);
+            for (Entry<Object, Object> prop : respProps.entrySet()) {
+                hash.put((String) prop.getKey(), (String) prop.getValue());
+            }
+        } catch (NullPointerException npe) {
+            HashMap<String, String> errorHash = new HashMap<String, String>();
+            errorHash.put("error-message", "check that you populated module, rpc and or mode correctly.");
+            return errorHash;
+        } catch (SvcLogicException e) {
+            HashMap<String, String> errorHash = new HashMap<String, String>();
+            errorHash.put("status", "failure");
+            errorHash.put("message", e.getMessage());
+            return errorHash;
+        }
+        return hash;
+    }
+
+    public static void writeResponseToCtx(String resp, Properties ctx, String prefix) {
+        JsonParser jp = new JsonParser();
+        JsonElement element = jp.parse(resp);
+        writeJsonObject(element.getAsJsonObject(), ctx, prefix + ".");
+    }
+
+    public static void writeJsonObject(JsonObject obj, Properties ctx, String root) {
+        for (Entry<String, JsonElement> entry : obj.entrySet()) {
+            if (entry.getValue().isJsonObject()) {
+                writeJsonObject(entry.getValue().getAsJsonObject(), ctx, root + entry.getKey() + ".");
+            } else if (entry.getValue().isJsonArray()) {
+                JsonArray array = entry.getValue().getAsJsonArray();
+                ctx.put(root + entry.getKey() + "_length", String.valueOf(array.size()));
+                Integer arrayIdx = 0;
+                for (JsonElement element : array) {
+                    if (element.isJsonObject()) {
+                        writeJsonObject(element.getAsJsonObject(), ctx, root + entry.getKey() + "[" + arrayIdx + "].");
+                    }
+                    arrayIdx++;
+                }
+            } else {
+                ctx.put(root + entry.getKey(), entry.getValue().getAsString());
+            }
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        InMemorySvcLogicStore store = new InMemorySvcLogicStore();
+        SvcLogicLoader loader = new SvcLogicLoader(System.getProperty("serviceLogicDirectory"), store);
+
+        loader.loadAndActivate();
+        SvcLogicResolver resolver = new SvcLogicClassResolver();
+
+
+        svc = new SvcLogicServiceImpl(new SvcLogicPropertiesProviderImpl(), resolver);
+        SpringApplication.run(ExecuteGraphController.class, args);
+    }
+}
diff --git a/sliapi/springboot/src/main/java/org/onap/ccsdk/sli/core/sliapi/springboot/RestconfApiController.java b/sliapi/springboot/src/main/java/org/onap/ccsdk/sli/core/sliapi/springboot/RestconfApiController.java
new file mode 100644
index 000000000..1c22da476
--- /dev/null
+++ b/sliapi/springboot/src/main/java/org/onap/ccsdk/sli/core/sliapi/springboot/RestconfApiController.java
@@ -0,0 +1,126 @@
+package org.onap.ccsdk.sli.core.sliapi.springboot;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.gson.*;
+import org.onap.ccsdk.sli.core.sli.*;
+import org.onap.ccsdk.sli.core.sli.provider.SvcLogicClassResolver;
+import org.onap.ccsdk.sli.core.sli.provider.SvcLogicPropertiesProviderImpl;
+import org.onap.ccsdk.sli.core.sli.provider.SvcLogicService;
+import org.onap.ccsdk.sli.core.sli.provider.SvcLogicServiceImpl;
+import org.onap.ccsdk.sli.core.sli.provider.base.InMemorySvcLogicStore;
+import org.onap.ccsdk.sli.core.sli.provider.base.SvcLogicPropertiesProvider;
+import org.onap.ccsdk.sli.core.sli.provider.base.SvcLogicResolver;
+import org.onap.ccsdk.sli.core.sliapi.model.ExecuteGraphInput;
+import org.onap.ccsdk.sli.core.sliapi.model.HealthcheckInput;
+import org.onap.ccsdk.sli.core.sliapi.model.ResponseFields;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.boot.SpringApplication;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import javax.servlet.http.HttpServletRequest;
+import javax.validation.Valid;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Properties;
+
+@javax.annotation.Generated(value = "io.swagger.codegen.languages.SpringCodegen", date = "2020-02-20T12:50:11.207-05:00")
+
+@Controller
+public class RestconfApiController implements RestconfApi {
+
+    private final ObjectMapper objectMapper;
+
+    private final HttpServletRequest request;
+
+    private static SvcLogicService svc;
+    Logger log = LoggerFactory.getLogger(RestconfApiController.class);
+
+    @org.springframework.beans.factory.annotation.Autowired
+    public RestconfApiController(ObjectMapper objectMapper, HttpServletRequest request) {
+        this.objectMapper = objectMapper;
+        this.request = request;
+
+        SvcLogicPropertiesProvider propProvider = new SvcLogicPropertiesProviderImpl();
+        SvcLogicStore store = null;
+        try {
+            store = SvcLogicStoreFactory.getSvcLogicStore(propProvider.getProperties());
+        } catch (SvcLogicException e) {
+            log.error("Cannot create SvcLogicStore", e);
+            return;
+        }
+
+        String serviceLogicDirectory = System.getProperty("serviceLogicDirectory");
+        System.out.println("serviceLogicDirectory is "+serviceLogicDirectory);
+        SvcLogicLoader loader = new SvcLogicLoader(serviceLogicDirectory, store);
+
+        try {
+            loader.loadAndActivate();
+        } catch (IOException e) {
+            log.error("Cannot load directed graphs", e);
+        }
+        SvcLogicResolver resolver = new SvcLogicClassResolver();
+
+
+        try {
+            svc = new SvcLogicServiceImpl(new SvcLogicPropertiesProviderImpl(), resolver);
+        } catch (SvcLogicException e) {
+            log.error("Cannot execute directed graph", e);
+        }
+    }
+
+    @Override
+    public ResponseEntity<ResponseFields> healthcheck() {
+        SvcLogicContext ctx = new SvcLogicContext();
+        ResponseFields resp = new ResponseFields();
+
+
+        try {
+
+            log.info("Calling SLI-API:healthcheck DG");
+            Properties inputProps = new Properties();
+            Properties respProps = svc.execute("sli", "healthcheck" , null, "sync", inputProps);
+            if (respProps == null) {
+                log.info("DG execution returned no properties!");
+            } else {
+                log.info("DG execution returned properties");
+                for (String key: respProps.stringPropertyNames()) {
+                    log.info("DG returned property "+key+" = "+respProps.getProperty(key));
+                }
+            }
+            resp.setAckFinalIndicator(respProps.getProperty("ack-final-indicator", "Y"));
+            resp.setResponseCode(respProps.getProperty("error-code", "200"));
+            resp.setResponseMessage(respProps.getProperty("error-message", "Success"));
+
+            return(new ResponseEntity<>(resp, HttpStatus.OK));
+        }
+        catch (Exception e) {
+            resp.setAckFinalIndicator("true");
+            resp.setResponseCode("500");
+            resp.setResponseMessage(e.getMessage());
+            log.error("Error calling healthcheck directed graph", e);
+
+        }
+
+        return(new ResponseEntity<>(resp, HttpStatus.INTERNAL_SERVER_ERROR));
+
+    }
+
+    @Override
+    public Optional<ObjectMapper> getObjectMapper() {
+        return Optional.ofNullable(objectMapper);
+    }
+
+    @Override
+    public Optional<HttpServletRequest> getRequest() {
+        return Optional.ofNullable(request);
+    }
+
+
+
+
+
+}