Add skill to launch CAMGI for must-gather

split the camgi part out of #133 to make it easier to review and more readable

Author: Prashanth684

PLUGINS.md

@@ -155,6 +155,7 @@ A plugin to analyze and report on must-gather data
 
 **Commands:**
 - **`/must-gather:analyze` `[must-gather-path] [component]`** - Quick analysis of must-gather data - runs all analysis scripts and provides comprehensive cluster diagnostics
+- **`/must-gather:camgi` `[must-gather-path|stop]`** - Launch CAMGI (Cluster Autoscaler Must-Gather Inspector) web interface to analyze cluster infrastructure and autoscaler behavior
 - **`/must-gather:ovn-dbs` `[must-gather-path]`** - Analyze OVN databases from a must-gather using ovsdb-tool
 
 See [plugins/must-gather/README.md](plugins/must-gather/README.md) for detailed documentation.

docs/data.json

@@ -685,6 +685,12 @@
           "name": "analyze",
           "synopsis": "/must-gather:analyze [must-gather-path] [component]"
         },
+        {
+          "argument_hint": "[must-gather-path|stop]",
+          "description": "Launch CAMGI (Cluster Autoscaler Must-Gather Inspector) web interface to analyze cluster infrastructure and autoscaler behavior",
+          "name": "camgi",
+          "synopsis": "/must-gather:camgi [must-gather-path]"
+        },
         {
           "argument_hint": "[must-gather-path]",
           "description": "Analyze OVN databases from a must-gather using ovsdb-tool",

plugins/must-gather/README-CAMGI.md

@@ -0,0 +1,184 @@
+# OKD-CAMGI Integration
+
+Integration of [okd-camgi](https://github.com/elmiko/okd-camgi) (Cluster Autoscaler Must-Gather Inspector) for analyzing must-gather data.
+
+## What is CAMGI?
+
+CAMGI is a web-based tool for examining must-gather records to investigate cluster infrastructure and autoscaler behavior in OKD/OpenShift environments.
+
+**CAMGI analyzes:**
+- Cluster autoscaler configuration and behavior
+- Autoscaler scaling decisions and events
+- Cluster operators status and health
+- Machines, MachineSets, and Nodes configuration
+- Control Plane MachineSets
+- Machine API operator status
+- Machine Config operator status
+- Cloud Controller Manager details
+- Node group status and autoscaler-related issues
+
+## Quick Start
+
+```bash
+./run-camgi.sh /path/to/must-gather
+```
+
+Or use the slash command from anywhere:
+```
+/must-gather:camgi /path/to/must-gather
+```
+
+The script will automatically:
+1. Detect must-gather subdirectory structure
+2. **Check and fix file permissions** (with your confirmation)
+3. Start camgi (containerized or local install)
+4. Open web interface at http://127.0.0.1:8080
+
+## Commands
+
+### Start CAMGI
+```bash
+./run-camgi.sh <must-gather-path>
+# Or
+/must-gather:camgi <must-gather-path>
+```
+
+### Stop CAMGI
+```bash
+./run-camgi.sh stop
+# Or
+/must-gather:camgi stop
+```
+
+## Key Features
+
+### ✅ Automatic Permission Fixing
+- Detects restrictive file permissions
+- Prompts: "Fix permissions now? (Y/n)"
+- Runs `chmod -R a+r` with user confirmation
+- No manual chmod needed!
+
+### ✅ SELinux Compatible
+- Uses `:Z` volume mount flag for proper SELinux labeling
+- Works with SELinux in enforcing mode
+- No security-opt disabling required
+
+### ✅ Automatic Browser Opening
+- Opens http://127.0.0.1:8080 automatically
+- Uses IPv4 address (avoids IPv6 issues)
+
+### ✅ Smart Container Management
+- Auto-detects podman/docker
+- Falls back to containerized version if camgi not installed locally
+- Simple stop command cleans up all containers
+
+### ✅ User-Friendly
+- Clear colored output
+- Helpful error messages
+- Ctrl+C works properly
+
+## Installation Methods
+
+### Method 1: Containerized (Default)
+No installation needed! The script automatically uses the container image.
+
+**Prerequisites:**
+- Podman or Docker
+
+### Method 2: Local Install (Optional)
+```bash
+pip3 install okd-camgi --user
+```
+
+**Benefits:**
+- Faster startup
+- Uses `--webbrowser` flag
+- No container overhead
+
+## Technical Details
+
+### Container Command
+```bash
+podman run --rm -it -p 8080:8080 \
+  -v /path/to/must-gather:/must-gather:Z \
+  quay.io/elmiko/okd-camgi
+```
+
+### Flags Explained
+- `--rm` - Auto-remove container when stopped
+- `-it` - Interactive terminal (Ctrl+C works)
+- `-p 8080:8080` - Port mapping
+- `-v path:/must-gather:Z` - Volume mount + SELinux relabeling
+- **No** `--security-opt label=disable` - SELinux stays enabled!
+
+### File Permissions
+The script checks for restrictive permissions and offers to fix them.
+
+**Manual fix (if needed):**
+```bash
+chmod -R a+r /path/to/must-gather
+```
+
+This is safe - must-gather data should not contain secrets.
+
+## Troubleshooting
+
+### Permission Errors
+**Symptom:** `PermissionError: [Errno 13] Permission denied`
+
+**Solution:** The script will prompt you to fix this. Press Y to allow automatic fixing.
+
+**Manual fix:**
+```bash
+chmod -R a+r /path/to/must-gather
+```
+
+### Cannot Connect to Browser
+**Symptom:** Browser can't access localhost:8080
+
+**Solution:** Use http://127.0.0.1:8080 instead of localhost
+
+This is due to IPv6 compatibility with rootless podman.
+
+### Port Already in Use
+**Symptom:** Port 8080 is occupied
+
+**Solution:** Stop other containers or run manually with different port:
+```bash
+podman run --rm -it -p 9090:8080 \
+  -v /path/to/must-gather:/must-gather:Z \
+  quay.io/elmiko/okd-camgi
+```
+
+Then access at http://127.0.0.1:9090
+
+### SELinux Denials
+**Check status:**
+```bash
+getenforce
+```
+
+**View denials:**
+```bash
+sudo ausearch -m AVC -ts recent
+```
+
+The `:Z` flag should handle all SELinux labeling automatically.
+
+## Files Included
+
+1. **run-camgi.sh** - Main executable script
+2. **README-CAMGI.md** - This documentation
+
+## References
+
+- CAMGI GitHub: https://github.com/elmiko/okd-camgi
+- CAMGI on PyPI: https://pypi.org/project/okd-camgi/
+- Must-Gather Documentation: https://docs.openshift.com/container-platform/latest/support/gathering-cluster-data.html
+
+## Future Enhancements
+
+- `--port` flag for custom port selection
+- Support for tar.gz must-gather files
+- `--no-browser` flag to skip automatic opening
+- Custom container registry support