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zeekayandHanzo Dev
936a59512c
The validator-health exporter and the rpc-tip-gate were both stdlib-only
Python scripts living in ConfigMaps on a stock python image. That choice
bought one thing — no build step — and it cost the backend standard: the
serving side of this stack is Go, and these two are serving processes.
internal/luxd — what one node says it believes (tip, finalized, peers,
bootstrapped, health-with-check-names). /v1 only.
internal/kube — the four apiserver calls fleet health makes. Not
client-go: a scheme, a codec and an informer machinery
to unmarshal four fields is not a dependency, it is a
liability.
internal/fleet — what the numbers MEAN, separated from the process that
serves them, so a metric's meaning can be tested
without a cluster.
Proven, not asserted. Both implementations were pointed at one fake
cluster and diffed:
exporter : 234 lines, 22 metric families — byte-for-byte identical.
tip-gate : same 5 decisions, same 3 merge-patches, byte-for-byte.
The differential earned its keep: the gate had been ported to
eth_getBlockByNumber when the deployed one calls eth_blockNumber. Same
answer today, a different call tomorrow. Fixed to match.
Two deliberate improvements over the Python, neither a scrape-visible
change: exposition series are sorted (Python's thread-completion order
made two scrapes of a steady fleet textually different), and the gate
refuses to start on a missing setting rather than defaulting quietly.
Co-authored-by: Hanzo Dev <[email protected]>
26 lines
731 B
YAML
26 lines
731 B
YAML
apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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# Applied to the lux cluster (do-sfo3-lux-k8s). Collects luxd validator health
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# and ships it to the central Hanzo VictoriaMetrics for alerting.
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# No global namespace transformer: the RoleBindings must stay in the validator
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# namespaces, so every resource sets its own namespace explicitly.
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resources:
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- exporter.yaml
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- vmagent.yaml
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- vmagent-rbac.yaml
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- node-exporter.yaml
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- kube-state-metrics.yaml
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configMapGenerator:
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- name: lux-validator-vmagent-config
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namespace: lux-system
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files:
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- scrape.yaml=vmagent-scrape.yaml
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labels:
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- pairs:
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app.kubernetes.io/part-of: lux-validator-health
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brand: lux
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includeSelectors: false
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