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ZMON Scheduler

License: Other

Java 96.86% Python 3.02% Dockerfile 0.08% Shell 0.04%

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alfre2v lmineiro hjacobs

zmon-scheduler's Issues

Only persist downtimes for entities that are locally known

This should be easy to detect when downtime task is received.

NPE: Scheduler is broken in master (Docker image cd58)

It's really sad that we break the master branch by pushing directly to it 😢

Trying to run scheduler with cd58 Docker image in Vagrant box yields:

2016-06-06 08:12:53.912  INFO 11 --- [           main] .b.l.ClasspathLoggingApplicationListener : Application failed to start with classpath: [jar:file:/zmon-scheduler.jar!/, jar:file:/zmon-scheduler.jar!/lib/spring-boot-starter-web-1.3.3.RELEASE.jar!/, jar:file:/zmon-scheduler.jar!/lib/spring-boot-starter-1.3.3.RELEASE.jar!/, jar:file:/zmon-scheduler.jar!/lib/spring-boot-1.3.3.RELEASE.jar!/, jar:file:/zmon-scheduler.jar!/lib/spring-boot-autoconfigure-1.3.3.RELEASE.jar!/, jar:file:/zmon-scheduler.jar!/lib/spring-boot-starter-logging-1.3.3.RELEASE.jar!/, jar:file:/zmon-scheduler.jar!/lib/logback-classic-1.1.5.jar!/, jar:file:/zmon-scheduler.jar!/lib/logback-core-1.1.5.jar!/, jar:file:/zmon-scheduler.jar!/lib/jcl-over-slf4j-1.7.16.jar!/, jar:file:/zmon-scheduler.jar!/lib/jul-to-slf4j-1.7.16.jar!/, jar:file:/zmon-scheduler.jar!/lib/log4j-over-slf4j-1.7.16.jar!/, jar:file:/zmon-scheduler.jar!/lib/spring-core-4.2.5.RELEASE.jar!/, jar:file:/zmon-scheduler.jar!/lib/spring-boot-starter-tomcat-1.3.3.RELEASE.jar!/, jar:file:/zmon-scheduler.jar!/lib/tomcat-embed-core-8.0.32.jar!/, jar:file:/zmon-scheduler.jar!/lib/tomcat-embed-el-8.0.32.jar!/, jar:file:/zmon-scheduler.jar!/lib/tomcat-embed-logging-juli-8.0.32.jar!/, jar:file:/zmon-scheduler.jar!/lib/tomcat-embed-websocket-8.0.32.jar!/, jar:file:/zmon-scheduler.jar!/lib/spring-boot-starter-validation-1.3.3.RELEASE.jar!/, jar:file:/zmon-scheduler.jar!/lib/hibernate-validator-5.2.4.Final.jar!/, jar:file:/zmon-scheduler.jar!/lib/validation-api-1.1.0.Final.jar!/, jar:file:/zmon-scheduler.jar!/lib/jboss-logging-3.3.0.Final.jar!/, jar:file:/zmon-scheduler.jar!/lib/classmate-1.1.0.jar!/, jar:file:/zmon-scheduler.jar!/lib/jackson-databind-2.6.5.jar!/, jar:file:/zmon-scheduler.jar!/lib/spring-web-4.2.5.RELEASE.jar!/, jar:file:/zmon-scheduler.jar!/lib/spring-aop-4.2.5.RELEASE.jar!/, jar:file:/zmon-scheduler.jar!/lib/aopalliance-1.0.jar!/, jar:file:/zmon-scheduler.jar!/lib/spring-beans-4.2.5.RELEASE.jar!/, jar:file:/zmon-scheduler.jar!/lib/spring-context-4.2.5.RELEASE.jar!/, jar:file:/zmon-scheduler.jar!/lib/spring-webmvc-4.2.5.RELEASE.jar!/, jar:file:/zmon-scheduler.jar!/lib/spring-expression-4.2.5.RELEASE.jar!/, jar:file:/zmon-scheduler.jar!/lib/spring-boot-starter-actuator-1.3.3.RELEASE.jar!/, jar:file:/zmon-scheduler.jar!/lib/spring-boot-actuator-1.3.3.RELEASE.jar!/, jar:file:/zmon-scheduler.jar!/lib/jedis-2.8.1.jar!/, jar:file:/zmon-scheduler.jar!/lib/commons-pool2-2.4.2.jar!/, jar:file:/zmon-scheduler.jar!/lib/metrics-core-3.1.0.jar!/, jar:file:/zmon-scheduler.jar!/lib/slf4j-api-1.7.16.jar!/, jar:file:/zmon-scheduler.jar!/lib/fluent-hc-4.3.6.jar!/, jar:file:/zmon-scheduler.jar!/lib/httpclient-4.5.1.jar!/, jar:file:/zmon-scheduler.jar!/lib/httpcore-4.4.4.jar!/, jar:file:/zmon-scheduler.jar!/lib/commons-codec-1.9.jar!/, jar:file:/zmon-scheduler.jar!/lib/commons-logging-1.1.3.jar!/, jar:file:/zmon-scheduler.jar!/lib/scala-library-2.11.8.jar!/, jar:file:/zmon-scheduler.jar!/lib/scala-xml-2.11.0-M4.jar!/, jar:file:/zmon-scheduler.jar!/lib/jackson-module-scala_2.11-2.6.6.jar!/, jar:file:/zmon-scheduler.jar!/lib/scala-reflect-2.11.8.jar!/, jar:file:/zmon-scheduler.jar!/lib/jackson-core-2.6.5.jar!/, jar:file:/zmon-scheduler.jar!/lib/jackson-annotations-2.6.5.jar!/, jar:file:/zmon-scheduler.jar!/lib/jackson-module-paranamer-2.6.6.jar!/, jar:file:/zmon-scheduler.jar!/lib/paranamer-2.6.jar!/, jar:file:/zmon-scheduler.jar!/lib/jackson-dataformat-yaml-2.7.4.jar!/, jar:file:/zmon-scheduler.jar!/lib/snakeyaml-1.16.jar!/, jar:file:/zmon-scheduler.jar!/lib/snappy-java-1.1.1.7.jar!/, jar:file:/zmon-scheduler.jar!/lib/tokens-0.9.8.jar!/]
Exception in thread "main" java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
    at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:62)
    at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:54)
    ... 1 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'application': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: de.zalando.zmon.scheduler.ng.Scheduler de.zalando.zmon.scheduler.ng.Application.scheduler; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'createScheduler' defined in class path resource [de/zalando/zmon/scheduler/ng/SchedulerFactory.class]: Unsatisfied dependency expressed through constructor argument with index 0 of type [de.zalando.zmon.scheduler.ng.alerts.AlertRepository]: Error creating bean with name 'alertRepository' defined in URL [jar:file:/zmon-scheduler.jar!/de/zalando/zmon/scheduler/ng/alerts/AlertRepository.class]: Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [de.zalando.zmon.scheduler.ng.alerts.AlertRepository]: Constructor threw exception; nested exception is java.lang.NullPointerException; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'alertRepository' defined in URL [jar:file:/zmon-scheduler.jar!/de/zalando/zmon/scheduler/ng/alerts/AlertRepository.class]: Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [de.zalando.zmon.scheduler.ng.alerts.AlertRepository]: Constructor threw exception; nested exception is java.lang.NullPointerException
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:334)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1214)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:772)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:839)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:538)
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:766)
    at org.springframework.boot.SpringApplication.createAndRefreshContext(SpringApplication.java:361)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1191)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1180)
    at de.zalando.zmon.scheduler.ng.Application.main(Application.java:189)
    ... 6 more
Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: de.zalando.zmon.scheduler.ng.Scheduler de.zalando.zmon.scheduler.ng.Application.scheduler; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'createScheduler' defined in class path resource [de/zalando/zmon/scheduler/ng/SchedulerFactory.class]: Unsatisfied dependency expressed through constructor argument with index 0 of type [de.zalando.zmon.scheduler.ng.alerts.AlertRepository]: Error creating bean with name 'alertRepository' defined in URL [jar:file:/zmon-scheduler.jar!/de/zalando/zmon/scheduler/ng/alerts/AlertRepository.class]: Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [de.zalando.zmon.scheduler.ng.alerts.AlertRepository]: Constructor threw exception; nested exception is java.lang.NullPointerException; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'alertRepository' defined in URL [jar:file:/zmon-scheduler.jar!/de/zalando/zmon/scheduler/ng/alerts/AlertRepository.class]: Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [de.zalando.zmon.scheduler.ng.alerts.AlertRepository]: Constructor threw exception; nested exception is java.lang.NullPointerException
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:573)
    at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:331)
    ... 23 more
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'createScheduler' defined in class path resource [de/zalando/zmon/scheduler/ng/SchedulerFactory.class]: Unsatisfied dependency expressed through constructor argument with index 0 of type [de.zalando.zmon.scheduler.ng.alerts.AlertRepository]: Error creating bean with name 'alertRepository' defined in URL [jar:file:/zmon-scheduler.jar!/de/zalando/zmon/scheduler/ng/alerts/AlertRepository.class]: Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [de.zalando.zmon.scheduler.ng.alerts.AlertRepository]: Constructor threw exception; nested exception is java.lang.NullPointerException; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'alertRepository' defined in URL [jar:file:/zmon-scheduler.jar!/de/zalando/zmon/scheduler/ng/alerts/AlertRepository.class]: Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [de.zalando.zmon.scheduler.ng.alerts.AlertRepository]: Constructor threw exception; nested exception is java.lang.NullPointerException
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:749)
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:464)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1123)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1018)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1192)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1116)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1014)
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:545)
    ... 25 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'alertRepository' defined in URL [jar:file:/zmon-scheduler.jar!/de/zalando/zmon/scheduler/ng/alerts/AlertRepository.class]: Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [de.zalando.zmon.scheduler.ng.alerts.AlertRepository]: Constructor threw exception; nested exception is java.lang.NullPointerException
    at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:275)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1143)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1046)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1192)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1116)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1014)
    at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:813)
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:741)
    ... 38 more
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [de.zalando.zmon.scheduler.ng.alerts.AlertRepository]: Constructor threw exception; nested exception is java.lang.NullPointerException
    at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:163)
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:122)
    at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:267)
    ... 51 more
Caused by: java.lang.NullPointerException
    at de.zalando.zmon.scheduler.ng.alerts.AlertRepository.fill(AlertRepository.java:29)
    at de.zalando.zmon.scheduler.ng.alerts.AlertRepository.<init>(AlertRepository.java:93)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:147)
    ... 53 more

Scheduler is scheduling inactive or deleted checks and might have some overhead due to this.

Scheduler logs show inactive checks are still being scheduled

d.z.z.s.ng.scheduler.ScheduledCheck : Probably inactive/deleted check still scheduled:

We need to find a way how to stop inactive/deleted checks to keep scheduling. Also it will be useful to evaluate impact of scheduling inactive checks.

MetricsCleanup fails for float timestamp

ERROR 19 --- [pool-7-thread-1] d.z.z.s.ng.cleanup.MetricsCleanup        : Metrics cleanup failed: For input string: "1470317861.237414"

Check/Alert filter behavior for fields that are collections

I just removed this for now, needs to be put in again.

Request entities with base filter

No need to poll all entities from data service or controller if a base filter is set.

Base filter for this should easily map to jsonb filter, which it does in the common map<string,string> case.

Add automated unit tests running on Travis CI

As the ZMON Scheduler is a highly critical component of the ZMON monitoring tool, high quality standards should be applied --- including a reasonably high code coverage and automated tests.

Cleanup of removed entities is not working

Apparently only the old Python scheduler still does this...

Specific check is not scheduled until scheduler restart

We experienced some problem today where a check was not scheduled until the ZMON Scheduler was restarted. Trial run always worked.

Some hints:

Check was initially created with empty entity filter (cd_entities = "{}")
Trial run was always working as expected

Unable to filter on the UI based on a Boolean property for an entity

An entity exists with a boolean property - "in_use" :

But on the check creation page, to filter for that specific entity using the boolean parameter "in_use", the property is not visible:

Support exclude entities on check level

Similar to alert allow to exclude entities at check level.

Scheduler dies if deployctl is not available.

Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'createScheduler' defined in class path resource [de/zalando/zmon/scheduler/ng/SchedulerFactory.class]: Unsatisfied dependency expressed through constructor argument with index 2 of type [de.zalando.zmon.scheduler.ng.entities.EntityRepository]: : Error creating bean with name 'entityRepository' defined in URL [jar:file:/..../application.jar!/de/zalando/zmon/scheduler/ng/entities/EntityRepository.class]: Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [de.zalando.zmon.scheduler.ng.entities.EntityRepository]: Constructor threw exception; nested exception is org.springframework.web.client.HttpServerErrorException: 502 Bad Gateway; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityRepository' defined in URL [jar:file:/..../application.jar!/de/zalando/zmon/scheduler/ng/entities/EntityRepository.class]: Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [de.zalando.zmon.scheduler.ng.entities.EntityRepository]: Constructor threw exception; nested exception is org.springframework.web.client.HttpServerErrorException: 502 Bad Gateway
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:749)
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:464)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1111)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1006)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1120)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1044)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:942)
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:533)
    ... 24 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityRepository' defined in URL [jar:file:/..../application.jar!/de/zalando/zmon/scheduler/ng/entities/EntityRepository.class]: Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [de.zalando.zmon.scheduler.ng.entities.EntityRepository]: Constructor threw exception; nested exception is org.springframework.web.client.HttpServerErrorException: 502 Bad Gateway
    at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:275)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1131)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1034)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:1120)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1044)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:942)
    at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:813)
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:741)
    ... 37 more
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [de.zalando.zmon.scheduler.ng.entities.EntityRepository]: Constructor threw exception; nested exception is org.springframework.web.client.HttpServerErrorException: 502 Bad Gateway
    at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:163)
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:122)
    at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:267)
    ... 50 more
Caused by: org.springframework.web.client.HttpServerErrorException: 502 Bad Gateway
    at org.springframework.web.client.DefaultResponseErrorHandler.handleError(DefaultResponseErrorHandler.java:94)
    at org.springframework.web.client.RestTemplate.handleResponseError(RestTemplate.java:615)
    at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:573)
    at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:529)
    at org.springframework.web.client.RestTemplate.postForObject(RestTemplate.java:329)
    at de.zalando.zmon.scheduler.ng.entities.DeployCtlInstanceAdapter.getCollection(DeployCtlInstanceAdapter.java:57)
    at de.zalando.zmon.scheduler.ng.entities.EntityRepository.fill(EntityRepository.java:110)
    at de.zalando.zmon.scheduler.ng.entities.EntityRepository.<init>(EntityRepository.java:221)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
    at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:147)
    ... 52 more
ERROR copying MANIFEST.MF

Surefire plugin fails

on any mvn build with newest openJDK which involves test run:

9:37:46 AM -------------------------------------------------------
9:37:46 AM T E S T S
9:37:46 AM -------------------------------------------------------
9:37:46 AM Error: Could not find or load main class org.apache.maven.surefire.booter.ForkedBooter
9:37:46 AM 
9:37:46 AM Results :
9:37:46 AM 
9:37:46 AM Tests run: 0, Failures: 0, Errors: 0, Skipped: 0
9:37:46 AM 
9:37:46 AM [INFO] ------------------------------------------------------------------------
9:37:46 AM [INFO] BUILD FAILURE
9:37:46 AM [INFO] ------------------------------------------------------------------------

Snappy compression fails in Alpine OpenJDK Docker image

Caused by: java.lang.UnsatisfiedLinkError: /tmp/snappy-unknown-e9f8ee9f-93a7-4415-a437-ec9eaa38a22f-libsnappyjava.so: Error loading shared library ld-linux-x86-64.so.2: No such file or directory (needed by /tmp/snappy-unknown-e9f8ee9f-93a7-4415-a437-ec9eaa3
8a22f-libsnappyjava.so)
 Jun 14 18:13:21 ip-172-31-142-67 docker/ab73110cc978[868]: #011at java.lang.ClassLoader$NativeLibrary.load(Native Method)

Delete downtime groups does not work

Not needed for UI but for deployment tool integration right now.

Housekeeping: Remove "urls_without_rest" config option

This config option is only there to support the old internal ZMON 2 Controller.

Remove proprietary Zalando entity adapters (CMDB, DeployCtl)

..as they will be replaced by another "agent" pushing entities into Entity Service (like the existing ZMON AWS Agent).

Support OAuth 2

Use Bearer tokens to connect to ZMON Controller (zalando-zmon/zmon-controller#4)

Rename repo to "zmon-scheduler"

I would strongly suggest renaming this repository to "zmon-scheduler" --- the Docker image is now called "zmon-scheduler" too (https://registry.opensource.zalan.do/teams/stups/artifacts/zmon-scheduler/tags). We don't need the "-ng" suffix anymore 😏

Global scheduler does not process trialrun requests when Redis is down

User story

As a ZMON user
I want global ZMON scheduler to process non-global TrialRun requests even if Redis is down
So we have better resilience

Details

de.zalando.zmon.scheduler.ng.trailruns.TrialRunAPI#postTrialRun

    public void postTrialRun(@RequestBody TrialRunRequest trialRun) {
        scheduler.scheduleTrialRun(trialRun);
        trialRunForwarder.forwardRequest(trialRun);
    }

If Redis is down, scheduler.scheduleTrialRun throws an exception. However, for Global Scheduler it should be still possible to call trialRunForwarder.forwardRequest.

Acceptance criteria

call forwardRequest before scheduleTrialRun
Log error if it is thrown from Redis call

Add opentracing support

Exceptions related to last_modified field

Querying check definitions with token eyJ..
Failed to get check definitions: Could not read document: Unrecognized field "last_modified"

Alerts appear to remain visible for some time after being deleted

Problem description
The results of alerts are visible on the ZMON dashboards even after deleting the alert.

Expected behaviour
Alerts after deletion

should not be scheduled for execution
should not be visible on ZMON dashboards

Remove compiler-warnings where possible

Entities in alert are not cleaned up in some cases

This problem is related to this zmon-worker issue.

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