docs(monitoring): use alloy instead of promtail#260
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vknabel
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May 26, 2026
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Just a few nits. Waiting for review and merge of actual changes before a full approve.
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| In-cluster components are scraped by Prometheus via `ServiceMonitor` resources (pull model). | ||
| Alloy self-metrics use a different approach: the control-plane Alloy DaemonSet and all Gardener seed Alloy instances push their metrics via `prometheus.remote_write` to Thanos Receive (`monitoring_thanos_receive_enabled: true`), removing the need for Prometheus to reach into each cluster. | ||
| Alloy self-metrics use a different approach — no ServiceMonitor required: |
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| Alloy self-metrics use a different approach — no ServiceMonitor required: | |
| Alloy self-metrics use a different approach that does not require a `ServiceMonitor`: |
| Alloy self-metrics use a different approach: the control-plane Alloy DaemonSet and all Gardener seed Alloy instances push their metrics via `prometheus.remote_write` to Thanos Receive (`monitoring_thanos_receive_enabled: true`), removing the need for Prometheus to reach into each cluster. | ||
| Alloy self-metrics use a different approach — no ServiceMonitor required: | ||
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| - The **control-plane Alloy** DaemonSet pushes metrics via `prometheus.remote_write` to the in-cluster Thanos Receive. Wired automatically when `monitoring_thanos_receive_enabled: true`. |
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| - The **control-plane Alloy** DaemonSet pushes metrics via `prometheus.remote_write` to the in-cluster Thanos Receive. Wired automatically when `monitoring_thanos_receive_enabled: true`. | |
| - The **control-plane Alloy** `DaemonSet` pushes metrics via `prometheus.remote_write` to the in-cluster Thanos Receive. Wired automatically when `monitoring_thanos_receive_enabled: true`. |
| Alloy self-metrics use a different approach — no ServiceMonitor required: | ||
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| - The **control-plane Alloy** DaemonSet pushes metrics via `prometheus.remote_write` to the in-cluster Thanos Receive. Wired automatically when `monitoring_thanos_receive_enabled: true`. | ||
| - **Gardener seed Alloy** instances have no local Prometheus, so they push metrics to the control-plane Thanos Receive ingress instead. Wired automatically when `monitoring_thanos_receive_ingress_enabled: true`. |
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| - **Gardener seed Alloy** instances have no local Prometheus, so they push metrics to the control-plane Thanos Receive ingress instead. Wired automatically when `monitoring_thanos_receive_ingress_enabled: true`. | |
| - **Gardener seed Alloy** instances have no local Prometheus and push their metrics to the control-plane Thanos Receive ingress instead. Wired automatically when `monitoring_thanos_receive_ingress_enabled: true`. | |
| - ``` |
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Description
Update monitoring docs to reflect metal-stack/metal-roles#552.
Only merge this, after metal-stack/metal-roles#592 and metal-stack/metal-roles#595 are merged and released.
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