aboutsummaryrefslogtreecommitdiffstats
path: root/logging-api/src/main/java
diff options
context:
space:
mode:
Diffstat (limited to 'logging-api/src/main/java')
-rw-r--r--logging-api/src/main/java/org/openecomp/cl/api/LogFields.java84
-rw-r--r--logging-api/src/main/java/org/openecomp/cl/api/LogLine.java115
-rw-r--r--logging-api/src/main/java/org/openecomp/cl/api/Logger.java216
-rw-r--r--logging-api/src/main/java/org/openecomp/cl/api/LoggerFactoryInterface.java43
-rw-r--r--logging-api/src/main/java/org/openecomp/cl/mdc/MdcContext.java78
-rw-r--r--logging-api/src/main/java/org/openecomp/cl/mdc/MdcOverride.java44
6 files changed, 580 insertions, 0 deletions
diff --git a/logging-api/src/main/java/org/openecomp/cl/api/LogFields.java b/logging-api/src/main/java/org/openecomp/cl/api/LogFields.java
new file mode 100644
index 0000000..87b3f3f
--- /dev/null
+++ b/logging-api/src/main/java/org/openecomp/cl/api/LogFields.java
@@ -0,0 +1,84 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Common Logging Library
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.openecomp.cl.api;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class LogFields {
+
+ /** Map of field names to values. */
+ private Map<Integer, String> fields = new HashMap<Integer, String>();
+
+ /**
+ * Retrieve the contents of the specified field entry.
+ *
+ * @param field
+ * - The field to retrieve the value for.
+ *
+ * @return - The value associated with the specified field, or null if there
+ * is no such entry.
+ */
+ public String getField(Enum field) {
+ return fields.get(field.ordinal());
+ }
+
+ /**
+ * Assigns a value to a specific field.
+ *
+ * @param field
+ * - The field to assign a value to.
+ * @param value
+ * - The value to assign to the field.
+ *
+ * @return - The {@link LogFields} object (this is useful for parameter
+ * chaining.
+ */
+ public LogFields setField(Enum field, String value) {
+ fields.put(field.ordinal(), value);
+ return this;
+ }
+
+ /**
+ * Assigns a value to a specific field.
+ *
+ * @param field - The field to assign a value to.
+ * @param value - The value to assign to the field.
+ *
+ * @return - The {@link LogFields} object (this is useful for parameter
+ * chaining.
+ */
+ public LogFields setField(Enum field, int value) {
+ fields.put(field.ordinal(), String.valueOf(value));
+ return this;
+ }
+
+ /**
+ * Determines whether or not a value has been assigned to a particular field.
+ *
+ * @param field - The field to be checked.
+ *
+ * @return - true if an entry exists for the specified field, false otherwise.
+ */
+ public boolean fieldIsSet(Enum field) {
+ return fields.containsKey(field.ordinal()) && (fields.get(field.ordinal()) != null);
+ }
+}
diff --git a/logging-api/src/main/java/org/openecomp/cl/api/LogLine.java b/logging-api/src/main/java/org/openecomp/cl/api/LogLine.java
new file mode 100644
index 0000000..2b6f30f
--- /dev/null
+++ b/logging-api/src/main/java/org/openecomp/cl/api/LogLine.java
@@ -0,0 +1,115 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Common Logging Library
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.openecomp.cl.api;
+
+import org.openecomp.cl.mdc.MdcContext;
+import org.openecomp.cl.mdc.MdcOverride;
+
+import org.slf4j.MDC;
+
+/**
+ * This class is used to help standardize how log lines are written and provide
+ * profiling info.
+ */
+public abstract class LogLine {
+
+ public static enum LogLineType {
+ AUDIT, ERROR, METRICS
+ }
+
+ /**
+ * Enumerates the predefined fields of the log line. Note that this
+ * enumeration only exposes those fields that the client may set via the
+ * {@link LogFields} object. Fields which are automatically populated by the
+ * logging service or sourced from the {@link MdcContext} do not appear here.
+ */
+ public enum DefinedFields {
+
+ STATUS_CODE,
+ RESPONSE_CODE,
+ RESPONSE_DESCRIPTION,
+ INSTANCE_UUID,
+ SEVERITY,
+ SERVER_IP,
+ CLIENT_IP,
+ CLASS_NAME,
+ PROCESS_KEY,
+ TARGET_SVC_NAME,
+ TARGET_ENTITY,
+ ERROR_CODE,
+ ERROR_DESCRIPTION,
+ CUSTOM_1,
+ CUSTOM_2,
+ CUSTOM_3,
+ CUSTOM_4;
+ }
+
+ protected String component = "";
+ protected String logCode = "";
+ protected String level = "";
+ protected String message = "";
+ protected MdcOverride override = new MdcOverride();
+ protected LogFields fields = new LogFields();
+
+ /**
+ * Sets common values that the log line will use for populating the log
+ * string.
+ *
+ * @param component
+ * - The entity invoking the log.
+ * @param logCode
+ * - String version of the log message code.
+ * @param level
+ * - Log level (DEBUG, TRACE, INFO, WARN, ERROR...)
+ * @param msg
+ * - The log message
+ * @param fields
+ * - A map of predefined log line fields to values.
+ * @param override
+ * - Structure which overrides selective fields in the
+ * {@link MdcContext}
+ */
+ public void init(String component, String logCode, String level, String msg, LogFields fields,
+ MdcOverride override) {
+
+ this.component = component;
+ this.logCode = logCode;
+ this.level = level;
+ this.message = msg;
+ this.override = override;
+ this.fields = fields;
+ }
+
+ protected String getMdcValue(String attribute) {
+ if (override.hasOverride(attribute)) {
+ return override.getAttributeValue(attribute);
+ }
+
+ String value = (String) MDC.get(attribute) == null ? "" : (String) MDC.get(attribute);
+ return value;
+ }
+
+ public abstract String getFormattedLine();
+
+ protected String fieldValue(Enum field) {
+ return (fields.fieldIsSet(field) ? fields.getField(field) : "");
+ }
+}
diff --git a/logging-api/src/main/java/org/openecomp/cl/api/Logger.java b/logging-api/src/main/java/org/openecomp/cl/api/Logger.java
new file mode 100644
index 0000000..2b428e5
--- /dev/null
+++ b/logging-api/src/main/java/org/openecomp/cl/api/Logger.java
@@ -0,0 +1,216 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Common Logging Library
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.openecomp.cl.api;
+
+import org.openecomp.cl.mdc.MdcOverride;
+
+/** Defines the common API which all Logger implementations must expose. */
+public interface Logger {
+
+ /**
+ * Indicate whether or not TRACE level logging is enabled.
+ *
+ * @return true if TRACE level logs are enabled, false otherwise
+ */
+ public boolean isTraceEnabled();
+
+ /**
+ * Indicate whether or not INFO level logging is enabled.
+ *
+ * @return true if INFO level logs are enabled, false otherwise
+ */
+ public boolean isInfoEnabled();
+
+ /**
+ * Indicate whether or not ERROR level logging is enabled.
+ *
+ * @return true if ERROR level logs are enabled, false otherwise
+ */
+ public boolean isErrorEnabled();
+
+ /**
+ * Indicate whether or not WARNING level logging is enabled.
+ *
+ * @return true if WARNING level logs are enabled, false otherwise
+ */
+ public boolean isWarnEnabled();
+
+ /**
+ * Indicate whether or not DEBUG level logging is enabled.
+ *
+ * @return true if DEBUG level logs are enabled, false otherwise
+ */
+ public boolean isDebugEnabled();
+
+ /**
+ * Log an INFO message based on a message key defined in a resource bundle
+ * with arguments.
+ *
+ * @param logCode
+ * - Log message identifier.
+ * @param arguments
+ * - Arguments to populate the log message template with.
+ */
+ public void info(Enum logCode, String... arguments);
+
+ /**
+ * Log an INFO message based on a message key defined in a resource bundle
+ * with arguments.
+ *
+ * @param logCode
+ * - Log message identifier.
+ * @param fields
+ * - Map containing values for any log fields which the client wants
+ * to populate.
+ * @param arguments
+ * - Arguments to populate the log message template with.
+ */
+ public void info(Enum logCode, LogFields fields, String... arguments);
+
+ /**
+ * Log an INFO message based on a message key defined in a resource bundle
+ * with arguments.
+ *
+ * @param logCode - Log message identifier.
+ * @param fields - Map containing values for any log fields which the
+ * client wants to populate.
+ * @param override - A set of values to override values stored in the MDC context
+ * @param arguments - Arguments to populate the log message template with.
+ */
+ public void info(Enum logCode, LogFields fields, MdcOverride override, String... arguments);
+
+ /**
+ * Log a WARNING message based on a message key defined in a resource bundle
+ * with arguments.
+ *
+ * @param logCode - Log message identifier.
+ * @param arguments - Arguments to populate the log message template with.
+ */
+ public void warn(Enum logCode, String... arguments);
+
+ /**
+ * Log a WARNING message based on a message key defined in a resource bundle
+ * with arguments.
+ *
+ * @param logCode - Log message identifier.
+ * @param fields - Map containing values for any log fields which the
+ * client wants to populate.
+ * @param arguments - Arguments to populate the log message template with.
+ */
+ public void warn(Enum logCode, LogFields fields, String... arguments);
+
+ /**
+ * Log a TRACE message based on a message key defined in a resource bundle
+ * with arguments.
+ *
+ * @param logCode - Log message identifier.
+ * @param arguments - Arguments to populate the log message template with.
+ */
+ public void trace(Enum logCode, String... arguments);
+
+ /**
+ * Log a TRACE message based on a message key defined in a resource bundle
+ * with arguments.
+ *
+ * @param logCode - Log message identifier.
+ * @param fields - Map containing values for any log fields which the
+ * client wants to populate.
+ * @param arguments - Arguments to populate the log message template with.
+ */
+ public void trace(Enum logCode, LogFields fields, String... arguments);
+
+ /**
+ * Log a simple, non-templated DEBUG message.
+ *
+ * @param logMessage - The message to be logged.
+ */
+ public void debug(String logMessage);
+
+ /**
+ * Log a DEBUG message based on a message key defined in a resource bundle
+ * with arguments.
+ *
+ * @param logCode - Log message identifier.
+ * @param arguments - Arguments to populate the log message template with.
+ */
+ public void debug(Enum logCode, String... arguments);
+
+ /**
+ * Log a DEBUG message based on a message key defined in a resource bundle
+ * with arguments.
+ *
+ * @param logCode - Log message identifier.
+ * @param fields - Map containing values for any log fields which the
+ * client wants to populate.
+ * @param arguments - Arguments to populate the log message template with.
+ */
+ public void debug(Enum logCode, LogFields fields, String... arguments);
+
+ /**
+ * Log an ERROR message based on a message key defined in a resource bundle
+ * with arguments.
+ *
+ * @param logCode - Log message identifier.
+ * @param arguments - Arguments to populate the log message template with.
+ */
+ public void error(Enum logCode, String... arguments);
+
+ /**
+ * Log an ERROR message based on a message key defined in a resource bundle
+ * with arguments.
+ *
+ * @param logCode - Log message identifier.
+ * @param fields - Map containing values for any log fields which the
+ * client wants to populate.
+ * @param arguments - Arguments to populate the log message template with.
+ */
+ public void error(Enum logCode, LogFields fields, String... arguments);
+
+ /**
+ * Log an ERROR message based on a message key defined in a resource bundle
+ * with arguments and a throwable exception.
+ *
+ * @param logCode - Log message identifier.
+ * @param ex - The exception to be logged.
+ * @param arguments - Arguments to populate the log message template with.
+ */
+ public void error(Enum logCode, Throwable ex, String... arguments);
+
+ /**
+ * Log an ERROR message based on a message key defined in a resource bundle
+ * with arguments and a throwable exception.
+ *
+ * @param logCode - Log message identifier.
+ * @param fields - Map containing values for any log fields which the
+ * client wants to populate.
+ * @param ex - The exception to be logged.
+ * @param arguments - Arguments to populate the log message template with.
+ */
+ public void error(Enum logCode, LogFields fields, Throwable ex, String... arguments);
+
+ /**
+ * Format the given log using the supplied arguments
+ * @param logCode - Log message identifier.
+ * @param arguments - Arguments to populate the log message template with.
+ */
+ public String formatMsg(Enum logCode, String... arguments);
+
+}
diff --git a/logging-api/src/main/java/org/openecomp/cl/api/LoggerFactoryInterface.java b/logging-api/src/main/java/org/openecomp/cl/api/LoggerFactoryInterface.java
new file mode 100644
index 0000000..c990881
--- /dev/null
+++ b/logging-api/src/main/java/org/openecomp/cl/api/LoggerFactoryInterface.java
@@ -0,0 +1,43 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Common Logging Library
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.openecomp.cl.api;
+
+/**
+ * Defines the common API that must be exposed by all LoggerFactory
+ * implementations.
+ */
+public interface LoggerFactoryInterface {
+
+ /**
+ * Returns the logger associated with the name.
+ *
+ * @return Logger
+ */
+ public Logger getLogger(String name);
+
+ /**
+ * Returns the logger associated with the clazz.
+ *
+ * @return Logger
+ */
+ public Logger getLogger(Class<?> clazz);
+
+}
diff --git a/logging-api/src/main/java/org/openecomp/cl/mdc/MdcContext.java b/logging-api/src/main/java/org/openecomp/cl/mdc/MdcContext.java
new file mode 100644
index 0000000..6e9e6f4
--- /dev/null
+++ b/logging-api/src/main/java/org/openecomp/cl/mdc/MdcContext.java
@@ -0,0 +1,78 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Common Logging Library
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.openecomp.cl.mdc;
+
+import org.slf4j.MDC;
+
+import java.net.InetAddress;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+/**
+ * This class manages the MDC (mapped diagnostic context). Calling the init
+ * method when a new event is processed will save thread-specific context
+ * information which will be used when generating logs.
+ */
+public final class MdcContext {
+ public static String MDC_REQUEST_ID = "RequestId";
+ public static String MDC_SERVER_FQDN = "ServerFQDN";
+ public static String MDC_SERVICE_NAME = "ServiceName";
+ public static String MDC_PARTNER_NAME = "PartnerName";
+ public static String MDC_START_TIME = "StartTime";
+ public static String MDC_REMOTE_HOST = "RemoteHost";
+ public static String MDC_SERVICE_INSTANCE_ID = "ServiceInstanceId";
+ public static String MDC_CLIENT_ADDRESS = "ClientAddress";
+
+ /**
+ * Initializes the fields of the Mapped Diagnostic Context.
+ *
+ * @param transId - Unique transaction identifier.
+ * @param serviceName - The name of the service generating the diagnostic.
+ * @param serviceInstance - Unique identifier of the specific instance
+ * generating the diagnostic.
+ * @param partnerName - Name of the entity initiating the transction to
+ * be logged
+ * @param clientAddress - IP address of the transaction client.
+ */
+ public static void initialize(String transId,
+ String serviceName,
+ String serviceInstance,
+ String partnerName,
+ String clientAddress) {
+ MDC.clear();
+ MDC.put(MDC_REQUEST_ID, transId);
+ MDC.put(MDC_SERVICE_NAME, serviceName);
+ MDC.put(MDC_SERVICE_INSTANCE_ID, serviceInstance);
+ MDC.put(MDC_PARTNER_NAME, partnerName);
+ MDC.put(MDC_CLIENT_ADDRESS, clientAddress);
+ MDC.put(MDC_START_TIME,
+ new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX").format(new Date()));
+
+ try {
+ MDC.put(MDC_SERVER_FQDN, InetAddress.getLocalHost().getCanonicalHostName());
+ } catch (Exception e) {
+ // If, for some reason we are unable to get the canonical host name, we
+ // just want to leave the field unpopulated. There is not much value
+ // in doing anything else with an exception at this point.
+ }
+
+ }
+}
diff --git a/logging-api/src/main/java/org/openecomp/cl/mdc/MdcOverride.java b/logging-api/src/main/java/org/openecomp/cl/mdc/MdcOverride.java
new file mode 100644
index 0000000..413ce36
--- /dev/null
+++ b/logging-api/src/main/java/org/openecomp/cl/mdc/MdcOverride.java
@@ -0,0 +1,44 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Common Logging Library
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.openecomp.cl.mdc;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * This class stores a map of MDC context attribute/values which can be used to
+ * override the actual MDC context.
+ */
+public class MdcOverride {
+ private Map<String, String> overrides = new HashMap<String, String>();
+
+ public void addAttribute(String attr, String val) {
+ overrides.put(attr, val);
+ }
+
+ public String getAttributeValue(String attr) {
+ return overrides.get(attr);
+ }
+
+ public boolean hasOverride(String attr) {
+ return overrides.containsKey(attr);
+ }
+}