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rcourtman
f48c806718
Missing block I/O and container image sizes could become false evidence for diagnosis. Preserve per-direction counter presence and measured zero through collection, resource conversion and browser rendering. Separate new observed history from ambiguous retained disk series without deleting old rows or changing public metric names. Keep partial host rates distinct and persist a newly enabled Disk I/O column across the first preference reload.
36 lines
1.2 KiB
Go
36 lines
1.2 KiB
Go
package metrics
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// Docker history written before explicit counter presence mixed unavailable
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// readings with measured zero. Its disk percentage also measured image-layer
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// composition rather than filesystem capacity. Keep those rows for retention
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// and rollback, but never reinterpret them as observations under this contract.
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//
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// The app-container storage family is shared with other providers. Their valid
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// new capacity readings remain supported. Public metric names are unchanged.
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func hasDockerObservationContract(resourceType string) bool {
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return resourceType == "dockercontainer" || resourceType == "docker"
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}
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func storedObservationMetric(resourceType, metricType string) string {
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if hasDockerObservationContract(resourceType) {
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switch metricType {
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case "disk", "diskread", "diskwrite":
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return metricType + ".observed"
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}
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}
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return metricType
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}
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func projectDockerObservations(result map[string]map[string][]MetricPoint) {
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for _, series := range result {
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for _, metric := range []string{"disk", "diskread", "diskwrite"} {
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delete(series, metric)
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stored := metric + ".observed"
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if points, ok := series[stored]; ok {
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series[metric] = points
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delete(series, stored)
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}
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}
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}
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}
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