{"type":"doc","content":[{"type":"extension","attrs":{"extensionType":"com.atlassian.confluence.macro.core","extensionKey":"toc","parameters":{"macroParams":{},"macroMetadata":{"macroId":{"value":"0d76b0af-86d1-4692-9f97-18328bba0fb0"},"schemaVersion":{"value":"1"},"title":"Table of Contents"}}}},{"type":"paragraph","content":[{"text":"Originally in the logging specification ","type":"text"},{"text":"ONAP Application Logging Specification v1.2 (Casablanca)","type":"text","marks":[{"type":"link","attrs":{"href":"https://lf-onap.atlassian.net/wiki/spaces/DW/pages/16278511"}}]},{"text":" - but will be cross specification releases - so a separate guide.","type":"text"}]},{"type":"paragraph","content":[{"text":"See additional developer/deployment oriented details on ","type":"text"},{"text":"ONAP Development","type":"text","marks":[{"type":"link","attrs":{"href":"https://lf-onap.atlassian.net/wiki/spaces/DW/pages/16286999"}}]}]},{"type":"paragraph","content":[{"type":"mention","attrs":{"id":"712020:548523d4-d947-49ae-a50f-2bec280a5111","text":"@Luke Parker"}},{"text":" has added a logging library and example project that exposes a 3rd party jar in ","type":"text"},{"text":"nexus.onap.org","type":"text","marks":[{"type":"link","attrs":{"href":"http://nexus.onap.org/"}}]},{"text":" at ","type":"text"}]},{"type":"paragraph","content":[{"text":"https://nexus.onap.org/service/local/repositories/snapshots/content/org/onap/logging-analytics/logging-slf4j/","type":"text","marks":[{"type":"link","attrs":{"href":"https://nexus.onap.org/service/local/repositories/snapshots/content/org/onap/logging-analytics/logging-slf4j/"}}]}]},{"type":"paragraph","content":[{"text":"Do we need to use this library? good question – you have 4 options (unchanged, do your own code changes/library, use the SLF4J library from Luke (includes MDC/Marker support) or use the AOP (WIP) wrapper on the SLF4J library – it uses aspects to (so-far) add ENTRY/EXIT marker (labelled) logs for each function call in scope. Using the library is optional – the goal is to reduce the amount of work teams need to do to adhere to the new MDC/Marker specification for Casablanca.","type":"text"}]},{"type":"paragraph","content":[{"text":"https://nexus.onap.org/service/local/repositories/snapshots/content/org/onap/logging-analytics/logging-library/","type":"text","marks":[{"type":"link","attrs":{"href":"https://nexus.onap.org/service/local/repositories/snapshots/content/org/onap/logging-analytics/logging-library/"}}]}]},{"type":"paragraph","content":[{"text":" There are developer details on using the libraries (pom.xml edits, spring AOP additions) and how to deploy the logdemo pod alongside onap that demos using the libraries","type":"text"}]},{"type":"paragraph","content":[{"text":"https://lf-onap.atlassian.net/wiki/pages/viewpage.action?pageId=16278511#ONAPApplicationLoggingSpecificationv1.2(Casablanca)-DeveloperGuide","type":"text","marks":[{"type":"link","attrs":{"href":"https://lf-onap.atlassian.net/wiki/pages/viewpage.action?pageId=16278511#ONAPApplicationLoggingSpecificationv1.2(Casablanca)-DeveloperGuide"}}]}]},{"type":"paragraph","content":[{"text":" The code is ready for use as we finish the library (java is most up to date for now, python is in progress)","type":"text"}]},{"type":"paragraph","content":[{"text":"https://git.onap.org/logging-analytics/tree/reference","type":"text","marks":[{"type":"link","attrs":{"href":"https://git.onap.org/logging-analytics/tree/reference"}}]}]},{"type":"paragraph","content":[{"text":"The demo RI stack","type":"text"}]},{"type":"paragraph","content":[{"text":"oom kubernetes chart","type":"text"}]},{"type":"paragraph","content":[{"text":"https://git.onap.org/logging-analytics/tree/reference/logging-kubernetes","type":"text","marks":[{"type":"link","attrs":{"href":"https://git.onap.org/logging-analytics/tree/reference/logging-kubernetes"}}]}]},{"type":"paragraph","content":[{"text":"docker build","type":"text"}]},{"type":"paragraph","content":[{"text":"https://git.onap.org/logging-analytics/tree/reference/logging-docker-root/logging-docker-demo","type":"text","marks":[{"type":"link","attrs":{"href":"https://git.onap.org/logging-analytics/tree/reference/logging-docker-root/logging-docker-demo"}}]}]},{"type":"paragraph","content":[{"text":"war","type":"text"}]},{"type":"paragraph","content":[{"text":"https://git.onap.org/logging-analytics/tree/reference/logging-demo","type":"text","marks":[{"type":"link","attrs":{"href":"https://git.onap.org/logging-analytics/tree/reference/logging-demo"}}]}]},{"type":"paragraph","content":[{"text":"aop library","type":"text"}]},{"type":"paragraph","content":[{"text":"https://git.onap.org/logging-analytics/tree/reference/logging-library","type":"text","marks":[{"type":"link","attrs":{"href":"https://git.onap.org/logging-analytics/tree/reference/logging-library"}}]}]},{"type":"paragraph","content":[{"text":"slf4j library","type":"text"}]},{"type":"paragraph","content":[{"text":"https://git.onap.org/logging-analytics/tree/reference/logging-slf4j","type":"text","marks":[{"type":"link","attrs":{"href":"https://git.onap.org/logging-analytics/tree/reference/logging-slf4j"}}]}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"Overall Logging and ELK Architecture","type":"text"}]},{"type":"heading","attrs":{"level":3},"content":[{"text":"Log Locations and Volumes","type":"text"}]},{"type":"paragraph","content":[{"type":"hardBreak"}]},{"type":"paragraph","content":[{"type":"hardBreak"}]},{"type":"paragraph","content":[{"type":"hardBreak"}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"Adding Filebeat to an ONAP Kubernetes POD","type":"text"}]},{"type":"paragraph","content":[{"text":"See commit ","type":"text"},{"text":"https://gerrit.onap.org/r/#/c/57171/","type":"text","marks":[{"type":"link","attrs":{"href":"https://gerrit.onap.org/r/#/c/57171/"}}]},{"text":" for ","type":"text"},{"type":"inlineCard","attrs":{"url":"https://lf-onap.atlassian.net/browse/LOG-137"}},{"text":" for reference","type":"text"}]},{"type":"heading","attrs":{"level":3},"content":[{"text":"Artifacts","type":"text"}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"Consumed","type":"text"}]},{"type":"heading","attrs":{"level":5},"content":[{"text":"Logging Library JAR","type":"text"}]},{"type":"heading","attrs":{"level":5},"content":[{"text":"Logging Library AOP wrapper JAR","type":"text"}]},{"type":"heading","attrs":{"level":5},"content":[{"text":"logback.xml","type":"text"}]},{"type":"heading","attrs":{"level":5},"content":[{"text":"filebeat.yml","type":"text"}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"Produced","type":"text"}]},{"type":"heading","attrs":{"level":5},"content":[{"text":"Microservice WAR - using the Logging Library AOP JAR","type":"text"}]},{"type":"heading","attrs":{"level":5},"content":[{"text":"DockerFile","type":"text"}]},{"type":"heading","attrs":{"level":5},"content":[{"text":"Helm Charts for Kubernetes","type":"text"}]},{"type":"paragraph","content":[{"type":"hardBreak"}]},{"type":"paragraph","content":[{"type":"hardBreak"}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"Python: pylog Library","type":"text"}]},{"type":"paragraph","content":[{"text":"https://lists.onap.org/g/onap-discuss/topic/logging_python_logging/25307286?p=,,,20,0,0,0::recentpostdate%2Fsticky,,,20,2,0,25307286","type":"text","marks":[{"type":"link","attrs":{"href":"https://lists.onap.org/g/onap-discuss/topic/logging_python_logging/25307286?p=,,,20,0,0,0::recentpostdate%2Fsticky,,,20,2,0,25307286"}}]}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"JAVA: Adding Logging to a WAR Project","type":"text"}]},{"type":"heading","attrs":{"level":3},"content":[{"text":"Logback.xml","type":"text"}]},{"type":"paragraph","content":[{"text":"place in src/main/java/resources","type":"text"}]},{"type":"paragraph","content":[{"text":"based off ","type":"text"},{"text":"https://git.onap.org/logging-analytics/tree/reference/logging-slf4j/src/test/resources/logback.xml","type":"text","marks":[{"type":"link","attrs":{"href":"https://git.onap.org/logging-analytics/tree/reference/logging-slf4j/src/test/resources/logback.xml"}}]}]},{"type":"paragraph","content":[{"text":"But don't use this file yet until it is finished testing and the indexing is modified on the ELK side - ","type":"text"},{"text":"https://gerrit.onap.org/r/#/c/57171/","type":"text","marks":[{"type":"link","attrs":{"href":"https://gerrit.onap.org/r/#/c/57171/"}}]}]},{"type":"paragraph","content":[{"text":"Until then you can continue to use the same logback.xml used by other components that already log like portal/policy/aai/vid/clamp","type":"text"}]},{"type":"paragraph","content":[{"text":"https://gerrit.onap.org/r/#/c/62405","type":"text","marks":[{"type":"link","attrs":{"href":"https://gerrit.onap.org/r/#/c/62405"}},{"type":"strong"}]}]},{"type":"codeBlock","attrs":{"language":"java"},"content":[{"text":"#20180925\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n ","type":"text"}]},{"type":"heading","attrs":{"level":3},"content":[{"text":"spring.xml","type":"text"}]},{"type":"codeBlock","attrs":{"language":"xml"},"content":[{"text":"\n\n \n","type":"text"}]},{"type":"heading","attrs":{"level":3},"content":[{"text":"pom.xml","type":"text"}]},{"type":"paragraph","content":[{"text":"Add the following","type":"text"}]},{"type":"codeBlock","attrs":{"language":"java"},"content":[{"text":"1.2.3 \n\n\tch.qos.logback\n\tlogback-core\n\t${logback.version}\n\n\n\tch.qos.logback\n\tlogback-classic\n\t${logback.version}\n \n\n org.springframework\n spring-aop\n ${spring.version}\n\n\n\n# add the logging library pom (soon to be 1.2.2)\n\n org.onap.logging-analytics\n logging-slf4j\n 1.2.0-SNAPSHOT\n","type":"text"}]},{"type":"heading","attrs":{"level":3},"content":[{"text":"Logging With AOP","type":"text"}]},{"type":"paragraph","content":[{"type":"inlineCard","attrs":{"url":"https://lf-onap.atlassian.net/browse/LOG-135"}}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"Class under Test","type":"text"}]},{"type":"paragraph","content":[{"text":"Prototyped AOP advice around Luke's library - minimal client changes - just an aspect bean and annotations required","type":"text","marks":[{"type":"subsup","attrs":{"type":"sup"}}]}]},{"type":"codeBlock","attrs":{"language":"java"},"content":[{"text":"import javax.servlet.http.HttpServletRequest;\nimport org.slf4j.LoggerFactory;\nimport org.springframework.stereotype.Service;\n@Service(\"daoFacade\")\npublic class ApplicationService implements ApplicationServiceLocal {\n @Override\n public Boolean health(HttpServletRequest servletRequest) {\n \tBoolean health = true;\n \t// TODO: check database\n \t// Log outside the AOP framework - to simulate existing component logs between the ENTRY/EXIT markers\n \tLoggerFactory.getLogger(this.getClass()).info(\"Running /health\");\n \treturn health;\n }\n}","type":"text"}]},{"type":"paragraph","content":[{"type":"hardBreak"}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"Aspect References","type":"text"}]},{"type":"codeBlock","attrs":{"language":"java"},"content":[{"text":"package org.onap.demo.logging;\nimport javax.servlet.http.HttpServletRequest;\nimport org.aspectj.lang.JoinPoint;\nimport org.aspectj.lang.annotation.Aspect;\nimport org.aspectj.lang.annotation.Before;\nimport org.onap.logging.ref.slf4j.ONAPLogAdapter;\nimport org.slf4j.LoggerFactory;\n\n@Aspect\npublic class LoggingAspect {\n @Before(\"execution(* org.onap.demo.logging.*.*(..))\")\n public void logBefore(JoinPoint joinPoint) {\n Object[] args = joinPoint.getArgs();\n Object servletRequest = args[0];\n ONAPLogAdapter.HttpServletRequestAdapter requestAdapter = \n new ONAPLogAdapter.HttpServletRequestAdapter((HttpServletRequest)servletRequest);\n final ONAPLogAdapter adapter = new ONAPLogAdapter(\n LoggerFactory.getLogger(joinPoint.getTarget().getClass()));\n try {\n adapter.entering(requestAdapter);\n } finally {\n }\n }\n\n @After(\"execution(* org.onap.demo.logging.*.*(..))\")\n public void logAfter(JoinPoint joinPoint) {\n final ONAPLogAdapter adapter = new ONAPLogAdapter(\n LoggerFactory.getLogger(joinPoint.getTarget().getClass()));\n adapter.exiting();\n }\n","type":"text"}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"Logging Demo REST API ","type":"text"}]},{"type":"codeBlock","content":[{"text":"curl http://dev.onap.info:30453/logging-demo/rest/health/health","type":"text"}]},{"type":"paragraph","content":[{"type":"hardBreak"}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"Logging Results","type":"text"}]},{"type":"heading","attrs":{"level":5},"content":[{"text":"Use Case: Single REST call - with ENTRY/EXIT Markers around in-method log","type":"text"}]},{"type":"paragraph","content":[{"text":"The key here is that you get logs for free - the entry/exit lines are generated - the line in the middle is from java application code","type":"text"}]},{"type":"codeBlock","attrs":{"language":"xml"},"content":[{"text":"results - still working on passing in the servlet request\nINFO: Reloading Context with name [/logging-demo] is completed\n2018-07-09T14:48:01.014Z\thttp-nio-8080-exec-8\tINFO\torg.onap.demo.logging.ApplicationService\t\n InstanceUUID=67bc4b12-56a1-4b62-ab78-0c8ca8834383, \n RequestID=023af35a-b281-49c4-bf13-5167b1453780, \n ServiceName=/logging-demo/rest/health/health, \n InvocationID=94dc9e24-3722-43e5-8995-12f95e153ca3, \n InvokeTimestamp=2018-07-09T14:48:01.008Z, \n PartnerName=, \n ClientIPAddress=0:0:0:0:0:0:0:1, \n ServerFQDN=localhost\t\t\tENTRY\t\n2018-07-09T14:48:01.014Z\thttp-nio-8080-exec-8\tINFO\torg.onap.demo.logging.ApplicationService\t\n InstanceUUID=67bc4b12-56a1-4b62-ab78-0c8ca8834383, \n RequestID=023af35a-b281-49c4-bf13-5167b1453780, \n ServiceName=/logging-demo/rest/health/health, \n InvocationID=94dc9e24-3722-43e5-8995-12f95e153ca3, \n InvokeTimestamp=2018-07-09T14:48:01.008Z, \n PartnerName=, \n ClientIPAddress=0:0:0:0:0:0:0:1, \n ServerFQDN=localhost\tRunning /health\t\t\t\n2018-07-09T14:48:01.015Z\thttp-nio-8080-exec-8\tINFO\torg.onap.demo.logging.ApplicationService\t\n ResponseCode=, \n InstanceUUID=67bc4b12-56a1-4b62-ab78-0c8ca8834383, \n RequestID=023af35a-b281-49c4-bf13-5167b1453780, \n ServiceName=/logging-demo/rest/health/health, \n ResponseDescription=, \n InvocationID=94dc9e24-3722-43e5-8995-12f95e153ca3, \n Severity=, \n InvokeTimestamp=2018-07-09T14:48:01.008Z, \n PartnerName=, \n ClientIPAddress=0:0:0:0:0:0:0:1, \n ServerFQDN=localhost, \n StatusCode=\t\t\tEXIT\t","type":"text"}]},{"type":"paragraph","content":[{"type":"hardBreak"}]},{"type":"paragraph","content":[{"type":"hardBreak"}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"AOP Stacktrace - logBefore()","type":"text"}]},{"type":"codeBlock","attrs":{"language":"java"},"content":[{"text":"Tomcat v8.5 Server at localhost [Apache Tomcat]\t\n\torg.apache.catalina.startup.Bootstrap at localhost:51622\t\n\t\tDaemon Thread [http-nio-8080-exec-1] (Suspended (breakpoint at line 41 in LoggingAspect))\t\n\t\t\towns: NioEndpoint$NioSocketWrapper (id=147)\t\n\t\t\tLoggingAspect.logBefore(JoinPoint) line: 41\t\n\t\t\tNativeMethodAccessorImpl.invoke0(Method, Object, Object[]) line: not available [native method]\t\n\t\t\tNativeMethodAccessorImpl.invoke(Object, Object[]) line: 62\t\n\t\t\tDelegatingMethodAccessorImpl.invoke(Object, Object[]) line: 43\t\n\t\t\tMethod.invoke(Object, Object...) line: 498\t\n\t\t\tAspectJMethodBeforeAdvice(AbstractAspectJAdvice).invokeAdviceMethodWithGivenArgs(Object[]) line: 629\t\n\t\t\tAspectJMethodBeforeAdvice(AbstractAspectJAdvice).invokeAdviceMethod(JoinPointMatch, Object, Throwable) line: 611\t\n\t\t\tAspectJMethodBeforeAdvice.before(Method, Object[], Object) line: 43\t\n\t\t\tMethodBeforeAdviceInterceptor.invoke(MethodInvocation) line: 51\t\n\t\t\tJdkDynamicAopProxy.invoke(Object, Method, Object[]) line: 213\t\n\t\t\t$Proxy51.health(HttpServletRequest) line: not available\t\n\t\t\tRestHealthServiceImpl.getHealth() line: 48\t\n\t\t\tServerRuntime$2.run() line: 326\t\t\n\t\t\tWebComponent.service(URI, URI, HttpServletRequest, HttpServletResponse) line: 427\t\n\t\t\tServletContainer.service(URI, URI, HttpServletRequest, HttpServletResponse) line: 388\t\n\n\n\n","type":"text"}]},{"type":"mediaSingle","attrs":{"layout":"align-start","width":80.0},"content":[{"type":"media","attrs":{"width":3278,"id":"f9907924-e70f-4be4-87e2-b9a5b7b38d81","collection":"contentId-16306985","type":"file","height":1954}}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"Deployment","type":"text"}]},{"type":"heading","attrs":{"level":3},"content":[{"text":"Deploying demo pod","type":"text"}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"Helm Deployment","type":"text"}]},{"type":"paragraph","content":[{"text":"also as of 20180918 use ","type":"text"},{"type":"mention","attrs":{"id":"712020:3cc8b3a0-33d4-4441-ab34-3f8657e2621f","text":"@Mike Elliott"}},{"text":" s plugin - ","type":"text"},{"text":"https://gerrit.onap.org/r/#/c/67071/","type":"text","marks":[{"type":"link","attrs":{"href":"https://gerrit.onap.org/r/#/c/67071/"}}]},{"text":" at ","type":"text"},{"text":"OOM Helm (un)Deploy plugins","type":"text","marks":[{"type":"link","attrs":{"href":"https://lf-onap.atlassian.net/wiki/spaces/DW/pages/16315791"}}]}]},{"type":"paragraph","content":[{"type":"hardBreak"}]},{"type":"codeBlock","content":[{"text":"# prereq\n- Makefile in k8s root - copied/modified-parent-chart from https://git.onap.org/oom/tree/kubernetes/Makefile\n- oom and logging-analytics cloned\nsudo git clone https://gerrit.onap.org/r/oom\nsudo git clone https://gerrit.onap.org/r/logging-analytics\ncd logging-analytics\n# pull patch in progress\nsudo git pull https://gerrit.onap.org/r/logging-analytics refs/changes/71/57171/9\n# install onap log\n/oom/kubernetes$ sudo helm delete --purge onap\n/oom/kubernetes$ sudo make all\n/oom/kubernetes$ sudo make onap\n/oom/kubernetes$ sudo helm install local/onap -n onap --namespace onap -f onap/resources/environments/disable-allcharts.yaml --set log.enabled=false\n/oom/kubernetes$ sudo helm upgrade -i onap local/onap --namespace onap -f onap/resources/environments/disable-allcharts.yaml --set log.enabled=true\n\n# install logdemo\n/logging-analytics/reference/logging-kubernetes$ sudo helm delete --purge logdemonode\n/logging-analytics/reference/logging-kubernetes$ sudo make all\n/logging-analytics/reference/logging-kubernetes$ sudo make logdemonode\n/logging-analytics/reference/logging-kubernetes$ sudo helm install local/logdemonode -n logdemonode --namespace onap --set logdemonode.enabled=true\n\n# rebuild after code change\n/logging-analytics/reference/logging-kubernetes$ sudo helm upgrade -i logdemonode local/logdemonode --namespace onap --set logdemonode.enabled=false\n\n# results\nonap logdemonode-logdemonode-5c8bffb468-rx2br 2/2 Running 0 1m\nonap onap-log-elasticsearch-7557486bc4-9h7gf 1/1 Running 0 40m\nonap onap-log-kibana-fc88b6b79-rkpzx 1/1 Running 0 40m\nonap onap-log-logstash-fpzc5 1/1 Running 0 40m\n\nonap log-es NodePort 10.43.17.89 9200:30254/TCP 39m\nonap log-es-tcp ClusterIP 10.43.120.133 9300/TCP 39m\nonap log-kibana NodePort 10.43.73.68 5601:30253/TCP 39m\nonap log-ls NodePort 10.43.107.55 5044:30255/TCP 39m\nonap log-ls-http ClusterIP 10.43.48.177 9600/TCP 39m\nonap logdemonode NodePort 10.43.0.35 8080:30453/TCP 55s\nubuntu@ip-172-31-54-73:~$ curl http://dev.onap.info:30453/logging-demo/rest/health/health\ntrue\n# check records in elasticsearch\nubuntu@ip-172-31-54-73:~$ curl http://dev.onap.info:30254/_search?q=*\n{\"took\":3,\"timed_out\":false,\"_shards\":{\"total\":21,\"successful\":21,\"failed\":0},\"hits\":{\"total\":2385953,\"max_score\":1.0,\"hits\":[{\"_index\":\".kibana\",\"_type\":\"index-pattern\",\"_id\":\"logstash-*\",\"_score\":1.0,\"_source\":{\"title\":\"logstash-*\",\"timeFieldName\":\"@timestamp\",\"notExpandable\":true,\"fields\":\"[{\\\"name\\\":\\\"@timestamp\\\",\\\"type\\\":\\\"date\\\",\\\"count\\\":0,\\\n\n\n# note if PV's are left over (a helm 2.9.1 issue after an upgrade from Kubernetes 1.8 to 1.10 via Rancher 1.6.18 - add a delete namespace\nsudo helm delete --purge onap\nkubectl delete namespace onap\nkubectl delete pv --all\nkubectl delete pvc --all\nkubectl delete secrets --all\nkubectl delete clusterrolebindings --all","type":"text"}]},{"type":"mediaSingle","attrs":{"layout":"align-start","width":71.0},"content":[{"type":"media","attrs":{"width":3244,"id":"8edf01f2-f986-47ee-b918-b19749f15e34","collection":"contentId-16306985","type":"file","height":1176}}]},{"type":"paragraph","content":[{"type":"hardBreak"}]},{"type":"paragraph","content":[{"text":"FAQ / Workarounds","type":"text"}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"Issue: Logs not appearing in the ELK stack","type":"text"}]},{"type":"paragraph","content":[{"text":"Check that your volumeMounts are correct in both your application container and filebeat container - for example there must be a /var/log/onap in both","type":"text"}]},{"type":"codeBlock","attrs":{"language":"xml"},"content":[{"text":" volumeMounts:\n - name: {{ include \"common.fullname\" . }}-logs\n mountPath: /var/log/onap","type":"text"}]},{"type":"paragraph","content":[{"type":"hardBreak"}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"Issue: DNS error pushing logs from filebeat to logstash","type":"text"}]},{"type":"paragraph","content":[{"text":"Check that your config section in values.yaml either at the helm root or subchart level define the service name and port","type":"text"}]},{"type":"codeBlock","attrs":{"language":"xml"},"content":[{"text":"config: \n logstashServiceName: log-ls\n logstashPort: 5044","type":"text"}]},{"type":"heading","attrs":{"level":1},"content":[{"text":"ELK Configuration","type":"text"}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"Logstash","type":"text"}]},{"type":"heading","attrs":{"level":4},"content":[{"text":"Grok","type":"text"}]},{"type":"paragraph","content":[{"type":"inlineCard","attrs":{"url":"https://lf-onap.atlassian.net/browse/LOG-490"}}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"ElasticSearch","type":"text"}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"Kibana","type":"text"}]},{"type":"heading","attrs":{"level":1},"content":[{"text":"Design Issues","type":"text"}]},{"type":"heading","attrs":{"level":2},"content":[{"text":"DI 8: Log Collection","type":"text"}]},{"type":"paragraph","content":[{"text":"Currently log collection occurs via the filebeat sidecar container. There is 1 container per pod that pushes logs from the emptydir PV volume to logstash.","type":"text"}]},{"type":"heading","attrs":{"level":3},"content":[{"text":"DI 8: LOG-587: Refactoring filebeat to run as a per VM DaemonSet deployment","type":"text"}]},{"type":"paragraph","content":[{"text":"There is an optimization that can be prototyped where we instead push logs directly from each cluster VM right from the kubelet logs containing the PV's for each container on that VM - via a DaemonSet filebeat container (1 per VM instead of 1 per microservice)","type":"text"}]},{"type":"paragraph","content":[{"text":"The logstash container was recently changed to a DaemonSet deployment - use this as a chart reference","type":"text"}]},{"type":"paragraph","content":[{"text":"Example of where logs are put for the emptyDir PV","type":"text"}]},{"type":"codeBlock","content":[{"text":"ubuntu@ip-172-31-55-235:~/_dev/20180712-log-137/oom/kubernetes$ sudo ls /var/lib/kubelet/pods/b3f9e7bc-8d79-11e8-969d-02a1d5a57c25/volumes/kubernetes.io~empty-dir/onap-logdemonode-logs/logdemonode/node -la\n-rw-r--r-- 1 root root 0 Jul 22 06:37 audit.log\n-rw-r--r-- 1 root root 548 Jul 22 07:01 debug.log\n-rw-r--r-- 1 root root 0 Jul 22 06:37 error.log\n-rw-r--r-- 1 root root 0 Jul 22 06:37 metrics.log","type":"text"}]},{"type":"paragraph","content":[{"text":"under the following","type":"text"}]},{"type":"paragraph","content":[{"type":"inlineCard","attrs":{"url":"https://lf-onap.atlassian.net/browse/LOG-587"}}]},{"type":"paragraph","content":[{"text":"Logstash is already a DaemonSet – you can use that as the deployment part of the example (small change) – the larger piece will be to point filebeat to a subset of the emptyDir PV directory or target individual pod PVs on that VM for log shipping.","type":"text"}]},{"type":"paragraph","content":[{"text":"for example you will need to correlate the PV UUID on the VM with the kubernetes deployment pod id to map the correct pod to it’s emptyDir pv – or just push everything appearing in the kubelet dir.","type":"text"}]},{"type":"paragraph","content":[{"text":"I am hoping that a switch of the service to a DaemonSet – a one line change and blind pushing of all or a subset (minus the kubernetes/rancher/Grafana pods) of the volumes/","type":"text"},{"text":"kubernetes.io","type":"text","marks":[{"type":"link","attrs":{"href":"http://kubernetes.io/"}}]},{"text":"~empty-dir would be sufficient.","type":"text"}]},{"type":"paragraph","content":[{"text":"https://lists.onap.org/g/onap-discuss/topic/understanding_daemonset_in/24142759?p=,,,20,0,0,0::recentpostdate%2Fsticky,,,20,2,0,24142759","type":"text","marks":[{"type":"link","attrs":{"href":"https://lists.onap.org/g/onap-discuss/topic/understanding_daemonset_in/24142759?p=,,,20,0,0,0::recentpostdate%2Fsticky,,,20,2,0,24142759"}}]}]},{"type":"paragraph","content":[{"type":"hardBreak"}]},{"type":"paragraph","content":[{"type":"hardBreak"}]}],"version":1}

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