This taskset investigates the logs, state and health of Kubernetes Prometheus operator.
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Check Prometheus Service Monitors
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Check For Successful Rule Setup
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Common scenarios that might relate to this command or script:
1. Monitoring and troubleshooting the overall health and performance of Kubernetes clusters
2. Investigating issues with applications or microservices running on Kubernetes pods, such as service failures or high resource usage
3. Identifying and addressing problems with containerized applications, such as crashes or network connectivity issues
4. Analyzing and debugging system and application logs for specific error patterns or anomalies
5. Proactively monitoring and detecting potential security threats or unauthorized access within Kubernetes environments
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Verify Prometheus RBAC Can Access ServiceMonitors
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Common scenarios that might relate to this command or script:
1. Troubleshooting Kubernetes CrashLoopBackoff events: A DevOps or Site Reliability Engineer might use this command to retrieve the details of a specific ClusterRole in order to investigate if the role permissions are causing the CrashLoopBackoff events.
2. Managing and auditing access control: This command can be used to view and manage the permissions and access controls for different resources within a Kubernetes cluster. A DevOps or Site Reliability Engineer might use this command to audit and update the permissions of a specific ClusterRole.
3. Debugging deployment issues: If there are issues with deploying certain resources within the Kubernetes cluster, a DevOps or Site Reliability Engineer might use this command to retrieve the details of a specific ClusterRole to ensure that the necessary permissions are in place for the deployment to succeed.
4. Monitoring and troubleshooting resource usage: This command can be used to retrieve information about the resources allocated and used by a specific ClusterRole within the Kubernetes cluster. A DevOps or Site Reliability Engineer might use this command to monitor and troubleshoot any resource usage issues related to the role.
5. Performing routine maintenance and upgrades: As part of routine maintenance and upgrade tasks, a DevOps or Site Reliability Engineer might use this command to review and update the permissions of a specific ClusterRole to ensure compatibility and compliance with the latest changes and updates in the Kubernetes cluster.
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Identify Endpoint Scraping Errors
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Common scenarios that might relate to this command or script:
1. Monitoring the health and performance of the Prometheus container in a Kubernetes environment
2. Troubleshooting issues with data scraping or ingestion in a Prometheus instance running in a Kubernetes cluster
3. Investigating errors or anomalies related to Prometheus metrics collection and storage
4. Performing log analysis and troubleshooting for Prometheus containers experiencing CrashLoopBackoff events
5. Verifying the successful retrieval and filtering of logs from the Prometheus container for proactive monitoring and alerting purposes
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Check Prometheus API Healthy
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Common scenarios that might relate to this command or script:
1. Troubleshooting Kubernetes CrashLoopBackoff events: A DevOps or Site Reliability Engineer might use this command to check the health status of the Prometheus container after it experiences CrashLoopBackoff events, in order to diagnose and resolve any issues causing the continuous crashing.
2. Monitoring application health during deployment: During the deployment of a new version of an application on Kubernetes, a DevOps or Site Reliability Engineer might use this command to continuously monitor the health status of the Prometheus container to ensure that the new version is functioning properly.
3. Investigating intermittent connectivity issues: If there are intermittent connectivity issues reported by users accessing the application hosted on Kubernetes, a DevOps or Site Reliability Engineer might use this command to check the health status of the Prometheus container and investigate if there are any underlying network issues affecting the application.
4. Performance troubleshooting: When performance issues are reported with an application running on Kubernetes, a DevOps or Site Reliability Engineer might use this command to monitor the health status of the Prometheus container and gather insights into potential performance bottlenecks.
5. Post-incident analysis: After an incident or outage involving the application on Kubernetes, a DevOps or Site Reliability Engineer might use this command to analyze the health status of the Prometheus container and identify any issues that contributed to the incident, in order to prevent similar problems in the future.
5 Troubleshooting Commands
Contributed by jon-funk
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