- Implement get_top_cpu_process() and get_top_ram_process() functions in SystemCollector
- Add top_cpu_process and top_ram_process fields to SystemSummary data structure
- Update System widget to display top processes as description rows
- Show process name and percentage usage for highest CPU and RAM consumers
- Skip kernel threads and filter out processes with minimal usage (<0.1%)
Agent improvements:
- Add reqwest dependency for HTTP latency testing
- Implement measure_site_latency() function for nginx sites
- Add latency_ms field to ServiceData structure
- Measure response times for nginx sites using HEAD requests
- Handle connection failures gracefully with 5-second timeout
- Use HTTPS for external sites, HTTP for localhost
Dashboard improvements:
- Add latency_ms field to ServiceInfo structure
- Display latency for nginx sites: "docker.cmtec.se 134ms"
- Only show latency for nginx sub-services, not other services
- Change disk usage "0" to "<1MB" for better readability
The Services widget now shows:
- Nginx sites with response times when measurable
- Cleaner disk usage formatting for small values
- Improved user experience with meaningful latency data
Services widget:
- Fix disk quota formatting with proper rounding instead of truncation
- Remove decimals from RAM quotas and use GB instead of G
- Change quota display to use GB consistently
Backups widget:
- Change GiB to GB for consistency
- Remove spaces between numbers and units
- Update disk usage format to match other widgets: used (totalGB)
- Remove percentage display for cleaner format
System widget:
- Add support for logged-in users in description lines
- Format C-states with "C-State:" prefix on first line, indent subsequent lines
- Add logged_in_users field to SystemSummary data structure
Documentation:
- Add example hash error output to NixOS update instructions
Implement exclusion list for services that don't require sandboxing due
to their nature (SSH, Docker, system services). These services now show
"no(ok)" in SB column and maintain green status instead of warning.
Changes:
- Add is_sandbox_excluded field to ServiceData and ServiceInfo structs
- Add is_sandbox_excluded() method with system service exclusions:
- sshd/ssh (needs system access for auth/shell)
- docker (needs broad system access)
- systemd services, dbus, NetworkManager, etc.
- Update status determination to accept excluded services as ok
- Update format_sandbox_value to show "no(ok)" for excluded services
- Update all ServiceData constructors with exclusion field
Service status logic:
- Sandboxed: Status=Running, SB="yes"
- Excluded: Status=Running, SB="no(ok)"
- Should be sandboxed but isn't: Status=Degraded, SB="no"
This provides clear distinction between services that legitimately don't
need sandboxing vs. those requiring security attention.
Add new "SB" column to services widget showing systemd sandboxing status.
Service status now reflects security posture with unsandboxed services
showing as degraded/warning status.
Changes:
- Add is_sandboxed field to ServiceData and ServiceInfo structs
- Add check_service_sandbox method detecting systemd hardening features
- Add format_sandbox_value function showing "yes"/"no" for sandboxing
- Update service status determination to consider sandbox status:
- Sandboxed + Running = "Running" (green/ok)
- Unsandboxed + Running = "Degraded" (yellow/warning)
- Failed services = "Stopped" (red/critical)
- Add "SB" column header to services widget
Services without proper NixOS hardening (PrivateTmp, ProtectSystem, etc.)
now show warning status to highlight security concerns.
Implement disk quota/total display in services widget showing usage/quota
format. When services don't have specific disk quotas configured, use
system total disk capacity as the quota value.
Changes:
- Add disk_quota_gb field to ServiceData struct in agent
- Add disk_quota_gb field to ServiceInfo struct in dashboard
- Update format_disk_value to show usage/quota format
- Use system disk total capacity as default quota for services
- Rename DiskUsage.total_gb to total_capacity_gb for clarity
Services will now display disk usage as "5.2/500.0 GB" format where
500.0 GB is either the service's specific quota or system total capacity.
- Add DEFAULT_HOSTS constant in config.rs for centralized host management
- Update ZMQ endpoint generation to connect to all configured hosts
- Implement graceful connection handling for unreachable endpoints
- Dashboard now auto-discovers and connects to available agents on cmbox, labbox, simonbox, steambox, srv01
- Storage widget: Restructure with Name/Temp/Wear/Usage columns, SMART details as descriptions
- Host navigation: Only cycle through connected hosts, no disconnected hosts
- Auto-discovery: Skip config files, use predefined CMTEC host list
- Maintenance mode: Suppress notifications during backup via /tmp/cm-maintenance file
- CPU thresholds: Update to warning ≥9.0, critical ≥10.0 for production use
- Agent-dashboard separation: Agent provides descriptions, dashboard displays only
- Rename alerts widget to hosts widget for clarity
- Add sub_service field to ServiceInfo for display differentiation
- Integrate system metrics (CPU load, memory, temperature, disk) as service rows
- Convert nginx sites to individual sub-service rows with tree structure
- Remove nginx site checkmarks - status now shown via row indicators
- Update dashboard layout to display system and service data together
- Maintain description lines for connection counts and service details
Services widget now shows:
- System metrics as regular service rows with status
- Nginx sites as sub-services with ├─/└─ tree formatting
- Regular services with full resource data and descriptions
- Unified status indication across all row types
Replaced system-wide disk usage with accurate per-service tracking by scanning
service-specific directories. Services like sshd now correctly show minimal
disk usage instead of misleading system totals.
- Rename storage widget and add drive capacity/usage columns
- Move host display to main dashboard title for cleaner layout
- Replace separate alert displays with color-coded row highlighting
- Add per-service disk usage collection using du command
- Update services widget formatting to handle small disk values
- Restructure into workspace with dedicated agent and dashboard packages
