Skip to content
Open

test #251

Changes from all commits
Commits
Show all changes
30 commits
Select commit Hold shift + click to select a range
9d4102c
runbooks for backoff
Gayathri-Bluemeric Dec 6, 2023
bc80f49
runbooks for backoff
Gayathri-Bluemeric Dec 6, 2023
beb8895
test
Gayathri-Bluemeric Dec 7, 2023
d88d7a5
test
Gayathri-Bluemeric Dec 7, 2023
107a5e8
Update .gp.yaml
Gayathri-Bluemeric Dec 12, 2023
efe3d7f
Delete .gp.yaml
Gayathri-Bluemeric Dec 12, 2023
4440d15
Delete test directory
Gayathri-Bluemeric Dec 12, 2023
7e93946
blogman-runbook
Gayathri-Bluemeric Dec 13, 2023
9aaad54
blogman-runbook
Gayathri-Bluemeric Dec 13, 2023
44b64c7
runbook-2
Gayathri-Bluemeric Dec 13, 2023
4acfcec
runbook-2
Gayathri-Bluemeric Dec 13, 2023
55ff5b2
runbook-3
Gayathri-Bluemeric Dec 13, 2023
e7e0017
runbook-3
Gayathri-Bluemeric Dec 13, 2023
ff03802
Delete .gp.yaml
Gayathri-Bluemeric Dec 13, 2023
2172946
Delete demo directory
Gayathri-Bluemeric Dec 13, 2023
03ce1c6
Delete backoff directory
Gayathri-Bluemeric Dec 13, 2023
5dceda8
test
Gayathri-Bluemeric Jan 5, 2024
9834e56
test
Gayathri-Bluemeric Jan 5, 2024
b956710
test
Gayathri-Bluemeric Feb 13, 2024
b2eeff5
test
Gayathri-Bluemeric Feb 13, 2024
304b01f
test
Gayathri-Bluemeric Feb 13, 2024
37e8ae9
test
Gayathri-Bluemeric Feb 13, 2024
0605875
test
Gayathri-Bluemeric Feb 13, 2024
93479c3
test
Gayathri-Bluemeric Feb 13, 2024
7ef527b
test2
Gayathri-Bluemeric Feb 13, 2024
69d87bc
test2
Gayathri-Bluemeric Feb 13, 2024
cc09365
test
Gayathri-Bluemeric Feb 20, 2024
acfdb8d
test
Gayathri-Bluemeric Feb 20, 2024
f482cff
Delete test directory
Gayathri-Bluemeric Aug 9, 2024
4c5bb12
Delete .gp.yaml
Gayathri-Bluemeric Aug 9, 2024
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
66 changes: 66 additions & 0 deletions test.md
Original file line number Diff line number Diff line change
@@ -0,0 +1,66 @@
# Kubernetes Resources Analysis and Troubleshooting Guide

This guide aims to analyze Kubernetes resources based on available information, identify potential issues or areas for performance improvement, and provides detailed troubleshooting steps.
Before we begin, make sure that `kubectl` is configured to interact with your cluster. Use the command `kubectl config view` to confirm.

## Analysis of Available Information

The existing content provided is a `ClusterRoleBinding` resource named `calico-kube-controllers`. It binds the cluster role `calico-kube-controllers` to the service account `calico-kube-controllers` in `kube-system` namespace.

There also exists Prometheus metrics data that provides insights into the performance aspects of a Go application. This data includes garbage collection duration, allocated memory, and Goroutine count, among other things.

## Identified Issues and Recommendations

Given that no explicit errors or issues are given in the provided data, the guide will discuss some hypothetical issues that could occur based on the type of data provided:

1. **RoleBinding Issues:** Potential issue can occur if the service account `calico-kube-controllers` doesn't exist, or it is in a different namespace other than `kube-system`. The `ClusterRole` `calico-kube-controllers` may also not exist.
- Recommendation: Confirm that the service account and ClusterRole exists. Use the following commands:
- `kubectl get serviceaccounts calico-kube-controllers -n kube-system`
- `kubectl get clusterroles calico-kube-controllers`

2. **Go App Performance Issues:** If the metrics of `go_memstats_alloc_bytes_total` consistently show a high amount of bytes allocated or if the `go_goroutines` count keeps increasing without coming down, it might suggest a memory leak or high CPU usage issue.
- Recommendation: It is recommended to profile the Go application for potential memory leaks or CPU intensive routines.

Let's proceed to the troubleshooting process.

## Step-by-Step Troubleshooting Guide

### Verifying RoleBinding Configuration

1. Verify the service account:

```sh
# This should return the service account details
kubectl get serviceaccounts calico-kube-controllers -n kube-system
```

2. Verify the `ClusterRole`:

```sh
# This should return the cluster role details
kubectl get clusterroles calico-kube-controllers
```

### Profiling the Go Application

Profiling Go applications require the use of pprof package. Follow the guide [here](https://golang.org/pkg/net/http/pprof/) to get started with profiling your Go application.

## Mermaid Flowchart

```mermaid
graph TD
A{Start Profiling} --> B{Is memory consumption increasing over time?}
B -->|Yes| C[There might be a memory leak in your Go app]}
B -->|No| D{Are Go routines increasing over time?}
D -->|Yes| E[There might be Goroutine leakage in your Go app]
D -->|No| F[Go app working perfectly fine]
C --> G[End Profiling]
E --> G[End Profiling]
F --> G[End Profiling]
```

## Conclusion

This guide provided an analysis of Kubernetes resources and insights on identifying potential bottlenecks. It is important to note that troubleshooting Kubernetes requires timely analysis of logs, events, and system metrics. Proactive monitoring and regular audits can help detect and prevent potential problems before they impact your system.

*This document contains information generated by OpenAI's ChatGPT. This AI-generated content has not been independently verified and should be cross-checked against reliable sources.*