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@@ -656,14 +656,15 @@ data:
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summary: "Print queue backlog on edge2 ({{ $value }} active jobs)"
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description: "CUPS has {{ $value }} active jobs queued. Possible printer jam, USB disconnect, or paper out."
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# Paper roll lifecycle alerts (XL Track I, 2026-04-26).
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# Source-of-truth gauge: print_paper_remaining_percent (Print.Web OTEL,
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# hydrated on startup from the active PaperRoll row).
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# alert_channel=thermal_print routes through irc-notify -> Print.Web
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# /api/print/alert so the printer announces its own paper-out warning
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# on its remaining paper. Self-referential humor + operator nudge.
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# Printer hardware and paper-roll lifecycle alerts.
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# print_printer_online: 1 when the transport is reachable/selected.
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# print_printer_state enum: 0 unknown, 1 online, 2 offline,
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# 3 paper_depleted, 4 jam, 5 head_error, 6 cover_open.
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# Offline/jam/cover alerts stay IRC-only. Paper depleted and head
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# error may route to the thermal digest only when the printer is
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# online enough to make that useful.
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- alert: PrintPaperRollLow
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expr: print_paper_remaining_percent{job="printweb-otel"} < 10 and print_paper_remaining_percent{job="printweb-otel"} > 5
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expr: (print_paper_remaining_percent{job="printweb-otel"} < 10 and print_paper_remaining_percent{job="printweb-otel"} > 5) and print_printer_online{job="printweb-otel"} == 1
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for: 5m
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labels:
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severity: warning
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@@ -672,15 +673,59 @@ data:
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summary: "Print roll low on edge2 ({{ $value | printf \"%.1f\" }}% remaining)"
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description: "NuPrint 210 paper roll has {{ $value | printf \"%.1f\" }}% remaining. Operator should load a fresh roll soon. Run /api/paper/status for the precise mm + estimated jobs left."
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- alert: PrinterOfflineWarning
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expr: print_printer_state{job="printweb-otel"} == 2
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for: 2m
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labels:
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severity: warning
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service: print-web
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alert_channel: irc
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annotations:
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summary: "Print.Web printer offline on edge2"
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description: "Print.Web reports the NuPrint 210 transport is offline or unreachable. IRC-only by design: do not thermal-print an alert when the thermal printer itself is offline."
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- alert: PrintPaperRollCritical
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expr: print_paper_remaining_percent{job="printweb-otel"} <= 5
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expr: print_printer_state{job="printweb-otel"} == 3 and print_printer_online{job="printweb-otel"} == 1
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for: 2m
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labels:
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severity: critical
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alert_channel: thermal_print
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annotations:
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summary: "Print roll critical on edge2 ({{ $value | printf \"%.1f\" }}% remaining)"
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description: "NuPrint 210 paper roll at {{ $value | printf \"%.1f\" }}% — load a new roll NOW. The 50ft roll has a ~12% red-stripe zone; once paper passes that, the printer can run dry mid-job."
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summary: "Print paper depleted on edge2"
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description: "NuPrint 210 reports paper depleted while the printer is still online. Load a new roll, drain the hardware buffer if needed, then replay DeadLetter jobs from /print-log."
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- alert: PrinterJamWarning
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expr: print_printer_state{job="printweb-otel"} == 4
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for: 2m
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labels:
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severity: warning
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service: print-web
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alert_channel: irc
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annotations:
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summary: "Print.Web printer jam on edge2"
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description: "Print.Web reports a paper/cutter jam state. IRC-only: clear the jam, drain the hardware buffer if bytes were queued, then retry affected jobs."
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- alert: PrinterHeadErrorCritical
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expr: print_printer_state{job="printweb-otel"} == 5
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for: 2m
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labels:
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severity: critical
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service: print-web
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alert_channel: thermal_print
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annotations:
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summary: "Print.Web printer head error on edge2"
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description: "Print.Web reports a thermal head or unrecoverable printer error. Critical routing may enter the thermal digest per existing policy; IRC remains the primary triage stream."
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- alert: PrinterCoverOpenWarning
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expr: print_printer_state{job="printweb-otel"} == 6
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for: 2m
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labels:
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severity: warning
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service: print-web
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alert_channel: irc
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annotations:
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summary: "Print.Web printer cover open on edge2"
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description: "Print.Web reports the printer cover/lid is open. IRC-only: close the cover and verify /api/print/status before retrying jobs."
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- alert: PrintJobDeadLetter
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expr: increase(print_jobs_dead_letter_total[15m]) > 0
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@@ -3635,6 +3680,146 @@ data:
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relativeTimeRange: {from: 120, to: 0}
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datasourceUid: __expr__
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model: {type: threshold, expression: B, conditions: [{evaluator: {params: [600], type: gt}}], refId: C}
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- orgId: 1
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name: Print Services
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folder: Print Alerts
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interval: 1m
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rules:
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- uid: printer-offline-warning
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title: PrinterOfflineWarning
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condition: C
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for: 2m
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noDataState: OK
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execErrState: OK
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annotations:
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summary: "Print.Web printer offline on edge2"
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description: "Print.Web reports the NuPrint 210 transport is offline or unreachable. IRC-only by design: do not thermal-print an alert when the thermal printer itself is offline."
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runbook: "1. Check edge2 power/network 2. Check USB/CUPS queue 3. Open https://print.iamworkin.lan/admin 4. Do not force thermal routing for offline alerts."
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labels:
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severity: warning
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service: print-web
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alert_channel: irc
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data:
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- refId: A
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relativeTimeRange: {from: 120, to: 0}
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datasourceUid: prometheus
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model: {expr: 'print_printer_state{job="printweb-otel"} == 2', instant: true, refId: A}
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- refId: B
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relativeTimeRange: {from: 120, to: 0}
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datasourceUid: __expr__
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model: {type: reduce, expression: A, reducer: last, refId: B}
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- refId: C
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relativeTimeRange: {from: 120, to: 0}
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datasourceUid: __expr__
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model: {type: threshold, expression: B, conditions: [{evaluator: {params: [0], type: gt}}], refId: C}
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- uid: print-paper-roll-critical
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title: PrintPaperRollCritical
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condition: C
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for: 2m
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noDataState: OK
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execErrState: OK
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annotations:
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summary: "Print paper depleted on edge2"
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description: "NuPrint 210 reports paper depleted while the printer is still online. Load a new roll, drain the hardware buffer if needed, then replay DeadLetter jobs from /print-log."
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runbook: "1. Load a fresh roll 2. Drain the hardware buffer if paper-out happened mid-job 3. Open https://print.iamworkin.lan/print-log 4. Retry DeadLetter jobs after the state clears."
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labels:
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severity: critical
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service: print-web
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alert_channel: thermal_print
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data:
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- refId: A
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relativeTimeRange: {from: 120, to: 0}
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datasourceUid: prometheus
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model: {expr: 'print_printer_state{job="printweb-otel"} == 3 and print_printer_online{job="printweb-otel"} == 1', instant: true, refId: A}
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- refId: B
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relativeTimeRange: {from: 120, to: 0}
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datasourceUid: __expr__
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model: {type: reduce, expression: A, reducer: last, refId: B}
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- refId: C
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relativeTimeRange: {from: 120, to: 0}
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datasourceUid: __expr__
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model: {type: threshold, expression: B, conditions: [{evaluator: {params: [0], type: gt}}], refId: C}
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- uid: printer-jam-warning
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title: PrinterJamWarning
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condition: C
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for: 2m
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noDataState: OK
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execErrState: OK
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annotations:
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summary: "Print.Web printer jam on edge2"
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description: "Print.Web reports a paper/cutter jam state. IRC-only: clear the jam, drain the hardware buffer if bytes were queued, then retry affected jobs."
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runbook: "1. Clear paper/cutter path 2. Drain hardware buffer if CUPS queued bytes 3. Verify /api/print/status 4. Retry affected jobs."
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labels:
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severity: warning
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service: print-web
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alert_channel: irc
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data:
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- refId: A
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relativeTimeRange: {from: 120, to: 0}
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datasourceUid: prometheus
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model: {expr: 'print_printer_state{job="printweb-otel"} == 4', instant: true, refId: A}
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- refId: B
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relativeTimeRange: {from: 120, to: 0}
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datasourceUid: __expr__
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model: {type: reduce, expression: A, reducer: last, refId: B}
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- refId: C
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relativeTimeRange: {from: 120, to: 0}
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datasourceUid: __expr__
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model: {type: threshold, expression: B, conditions: [{evaluator: {params: [0], type: gt}}], refId: C}
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- uid: printer-head-error-critical
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title: PrinterHeadErrorCritical
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condition: C
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for: 2m
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noDataState: OK
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execErrState: OK
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annotations:
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summary: "Print.Web printer head error on edge2"
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description: "Print.Web reports a thermal head or unrecoverable printer error. Critical routing may enter the thermal digest per existing policy; IRC remains the primary triage stream."
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runbook: "1. Let the printer cool if overheated 2. Power-cycle only after checking queued jobs 3. Verify /api/print/status 4. Retry jobs after the state clears."
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labels:
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severity: critical
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service: print-web
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alert_channel: thermal_print
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data:
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- refId: A
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relativeTimeRange: {from: 120, to: 0}
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datasourceUid: prometheus
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model: {expr: 'print_printer_state{job="printweb-otel"} == 5', instant: true, refId: A}
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- refId: B
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relativeTimeRange: {from: 120, to: 0}
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datasourceUid: __expr__
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model: {type: reduce, expression: A, reducer: last, refId: B}
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- refId: C
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relativeTimeRange: {from: 120, to: 0}
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datasourceUid: __expr__
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model: {type: threshold, expression: B, conditions: [{evaluator: {params: [0], type: gt}}], refId: C}
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- uid: printer-cover-open-warning
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title: PrinterCoverOpenWarning
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condition: C
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for: 2m
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noDataState: OK
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execErrState: OK
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annotations:
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summary: "Print.Web printer cover open on edge2"
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description: "Print.Web reports the printer cover/lid is open. IRC-only: close the cover and verify /api/print/status before retrying jobs."
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runbook: "1. Close the printer cover 2. Verify /api/print/status returns online 3. Retry affected jobs only after the state clears."
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labels:
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severity: warning
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service: print-web
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alert_channel: irc
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data:
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- refId: A
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relativeTimeRange: {from: 120, to: 0}
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datasourceUid: prometheus
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model: {expr: 'print_printer_state{job="printweb-otel"} == 6', instant: true, refId: A}
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- refId: B
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relativeTimeRange: {from: 120, to: 0}
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datasourceUid: __expr__
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model: {type: reduce, expression: A, reducer: last, refId: B}
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- refId: C
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relativeTimeRange: {from: 120, to: 0}
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datasourceUid: __expr__
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model: {type: threshold, expression: B, conditions: [{evaluator: {params: [0], type: gt}}], refId: C}
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- orgId: 1
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name: CI Runners
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folder: CI Alerts
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