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Signed-off-by: Kornilios Kourtis <[email protected]>
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## Upgrade notes | ||
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Read the upgrade notes carefully before upgrading Tetragon. | ||
Depending on your setup, changes listed here might require a manual intervention. | ||
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* TBD | ||
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#### Agent Options | ||
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* TBD | ||
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#### Helm Values | ||
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* Tetragon container now uses the gRPC liveness probe by default. To continue using "tetra status" for liveness probe, | ||
specify `tetragon.livenessProbe` Helm value. For example: | ||
```yaml | ||
tetragon: | ||
livenessProbe: | ||
timeoutSeconds: 60 | ||
exec: | ||
command: | ||
- tetra | ||
- status | ||
- --server-address | ||
- "54321" | ||
- --retries | ||
- "5" | ||
``` | ||
* Deprecated `tetragon.skipCRDCreation` Helm value is removed. Use `crds.installMethod=none` instead. | ||
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* `tetragon.ociHookSetup` Helm value is deprecated. Use `tetragon.rthooks` instead. | ||
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#### TracingPolicy (k8s CRD) | ||
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* TBD | ||
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#### Events (protobuf API) | ||
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* Sensor managing methods have been deprecated: | ||
* `ListSensors` | ||
* `EnableSensor` | ||
* `DisableSensor` | ||
* `RemoveSensor` | ||
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#### Metrics | ||
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* `tetragon_policyfilter_metrics_total` metric is renamed to `tetragon_policyfilter_operations_total`, and its `op` | ||
label is renamed to `operation`. | ||
* `tetragon_missed_events_total` metric is renamed to `tetragon_bpf_missed_events_total`. | ||
* Metrics related to ring buffer and events queue are renamed: | ||
* `tetragon_ringbuf_perf_event_errors_total` -> `tetragon_observer_ringbuf_errors_total` | ||
* `tetragon_ringbuf_perf_event_received_total` -> `tetragon_observer_ringbuf_events_received_total` | ||
* `tetragon_ringbuf_perf_event_lost_total` -> `tetragon_observer_ringbuf_events_lost_total` | ||
* `tetragon_ringbuf_queue_received_total` -> `tetragon_observer_ringbuf_queue_events_received_total` | ||
* `tetragon_ringbuf_queue_lost_total` -> `tetragon_observer_ringbuf_queue_events_lost_total` | ||
* `tetragon_errors_total{type="process_cache_evicted"}` metric is replaced by `tetragon_process_cache_evicted_total`. | ||
* `tetragon_errors_total{type=~"process_cache_miss_on_get|process_cache_miss_on_remove"}` metrics are replaced by | ||
`tetragon_process_cache_misses_total{operation=~"get|remove"}`. | ||
* `tetragon_event_cache_<entry_type>_errors_total` metrics are replaced by | ||
`tetragon_event_cache_fetch_failures_total{entry_type="<entry_type>"}`. | ||
* `tetragon_event_cache_accesses_total` metric is renamed to `tetragon_event_cache_inserts_total`. | ||
* `tetragon_event_cache_retries_total` metric is renamed to `tetragon_event_cache_fetch_retries_total`. | ||
* `tetragon_errors_total{type="event_missing_process_info"}` metric is replaced by | ||
`tetragon_events_missing_process_info_total`. | ||
* `tetragon_errors_total{type="handler_error"}` metric is removed. Use `tetragon_handler_errors_total` instead. |
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