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Unified Monitoring with Prometheus in a Micro-Service Environment
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A hallmark of Ingenious's robust monitoring approach is the thorough instrumentation across all layers of their infrastructure. At the foundational level, managed Kubernetes nodes are meticulously monitored, with metrics related to CPU usage, RAM allocation, I/O operations, and more being continually recorded. Ascending the stack, Docker containers, which encapsulate the individual micro-services, are also under constant surveillance. This is complemented by the monitoring of application instances that provide insights into the real-time performance and health of individual apps. Finally, at the highest level, services themselves — which could be a composite of multiple micro-services or application instances — are also instrumented, ensuring an end-to-end view of the system's health.
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Prometheus/Grafana Integration with CI/CD
In line with modern DevOps practices, Ingenious ensures that their monitoring tools, specifically Prometheus and Grafana, are treated no differently than any other application in their ecosystem. These tools are built and configured using the same Continuous Integration/Continuous Deployment (CI/CD) approach. This is facilitated by leveraging industry-standard tools like git for version control and Jenkins for automation. Such an approach not only ensures consistency in deployment practices but also ensures that any updates or modifications to the monitoring tools can be rolled out swiftly and reliably.
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Operations and On-Call Duty with Slack
Operational efficiency and swift response times are crucial for any tech-driven organization. To facilitate this, Ingenious has integrated Slack into their operational workflow. Slack, known for its real-time messaging capabilities, serves as the primary communication channel for operations and on-call duties. Whether it's an automated alert from a monitoring system or a message from a team member, Slack ensures that the right individuals are notified immediately, enabling quick diagnostics and timely resolution of issues. This modern approach to operations communication ensures that the team remains agile and responsive, minimizing downtime and maximizing system reliability.
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Robust Rollback Procedures with Kubernetes
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Ingenious places a high emphasis on system reliability, and this is evident in their structured approach to rollback procedures. Kubernetes, renowned for its flexibility and robustness, forms the backbone of these procedures. Specifically, Ingenious utilizes the 'Deployment' feature in Kubernetes, which is equipped with rolling updates. Each time a Deployment is updated, Kubernetes automatically creates a corresponding ReplicaSet. In the event of an issue with the new release, this allows for a seamless rollback to the previous state by simply reverting to the desired ReplicaSet. This mechanism ensures minimal disruption and maximizes system uptime. Furthermore, Ingenious has a fail-safe approach in place. If required, they can always release a service directly from its master branch. This dual-pronged strategy, encompassing both Kubernetes' native rollback capabilities and the ability to deploy directly from the master branch, ensures that Ingenious can swiftly address any deployment anomalies, thereby maintaining a consistent and reliable service for their users.
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