k8s/helm-charts/dashy/charts/common/templates/lib/container/_resources.tpl
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{{/* Returns Resources */}}
{{/* Call this template:
{{ include "tc.v1.common.lib.container.resources" (dict "rootCtx" $ "objectData" $objectData) }}
rootCtx: The root context of the chart.
objectData: The object data to be used to render the container.
*/}}
{{- define "tc.v1.common.lib.container.resources" -}}
{{- $rootCtx := .rootCtx -}}
{{- $objectData := .objectData -}}
{{- $resources := mustDeepCopy $rootCtx.Values.resources -}}
{{- if $objectData.resources -}}
{{- $resources = mustMergeOverwrite $resources $objectData.resources -}}
{{- end -}}
{{- include "tc.v1.common.lib.container.resources.validation" (dict "resources" $resources) -}}
requests:
cpu: {{ $resources.requests.cpu }}
memory: {{ $resources.requests.memory }}
{{- if $resources.limits }}
limits:
{{- with $resources.limits.cpu }} {{/* Passing 0, will not render it, meaning unlimited */}}
cpu: {{ . }}
{{- end -}}
{{- with $resources.limits.memory }} {{/* Passing 0, will not render it, meaning unlimited */}}
memory: {{ . }}
{{- end -}}
{{- include "tc.v1.common.lib.container.resources.gpu" (dict "rootCtx" $rootCtx "objectData" $objectData) | trim | nindent 2 -}}
{{- end -}}
{{- end -}}
{{/* Returns GPU resource */}}
{{/* Call this template:
{{ include "tc.v1.common.lib.container.resources.gpu" (dict "rootCtx" $rootCtx "objectData" $objectData) }}
rootCtx: The root context of the chart.
objectData: The object data to be used to render the container.
*/}}
{{- define "tc.v1.common.lib.container.resources.gpu" -}}
{{- $objectData := .objectData -}}
{{- $rootCtx := .rootCtx -}}
{{- $returnBool := .returnBool -}}
{{- $gpuResource := list -}}
{{- range $GPUValues := $rootCtx.Values.scaleGPU -}}
{{- if not $GPUValues.gpu -}}
{{- fail "Container - Expected non-empty <scaleGPU.gpu>" -}}
{{- end -}}
{{- $selected := false -}}
{{/* Parse selector if defined */}}
{{- if $GPUValues.targetSelector -}}
{{- range $podName, $containers := $GPUValues.targetSelector -}}
{{- if not $containers -}}
{{- fail "Container - Expected non-empty list under pod in <scaleGPU.targetSelector>" -}}
{{- end -}}
{{- if and (eq $podName $objectData.podShortName) (mustHas $objectData.shortName $containers) -}}
{{- $selected = true -}}
{{- end -}}
{{- end -}}
{{/* If no selector, select primary pod/container */}}
{{- else if and $objectData.podPrimary $objectData.primary -}}
{{- $selected = true -}}
{{- end -}}
{{- if $selected -}}
{{- $gpuResource = mustAppend $gpuResource $GPUValues.gpu -}}
{{- end -}}
{{- end -}}
{{- if not $returnBool -}}
{{- range $gpu := $gpuResource -}}
{{- range $k, $v := $gpu -}}
{{- if or (kindIs "invalid" $v) (eq (toString $v) "") -}}
{{- fail "Container - Expected non-empty <scaleGPU> <value>" -}}
{{- end -}} {{/* Don't try to schedule 0 GPUs */}}
{{- if gt (int $v) 0 }}
{{ $k }}: {{ $v | quote }}
{{- end -}}
{{- end -}}
{{- end -}}
{{- else -}}
{{- if $gpuResource -}}
{{- "true" -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{/* Validates resources to match a pattern */}}
{{/* Call this template:
{{ include "tc.v1.common.lib.container.resources.validation" (dict "resources" $resources) }}
rootCtx: The root context of the chart.
resources: The resources object
*/}}
{{- define "tc.v1.common.lib.container.resources.validation" -}}
{{- $resources := .resources -}}
{{/* CPU: https://regex101.com/r/D4HouI/1 */}}
{{/* MEM: https://regex101.com/r/NNPV2D/1 */}}
{{- $regex := (dict
"cpu" "^(0\\.[1-9]|[1-9][0-9]*)(\\.[0-9]|m?)$"
"memory" "^[1-9][0-9]*([EPTGMK]i?|e[0-9]+)?$") -}}
{{- $errorMsg := (dict
"cpu" "(Plain Integer - eg. 1), (Float - eg. 0.5), (Milicpu - eg. 500m)"
"memory" "(Suffixed with E/P/T/G/M/K - eg. 1G), (Suffixed with Ei/Pi/Ti/Gi/Mi/Ki - eg. 1Gi), (Plain Integer in bytes - eg. 1024), (Exponent - eg. 134e6)") -}}
{{- $resourceTypes := (list "cpu" "memory") -}}
{{- range $category := (list "requests") -}} {{/* We can also add "limits" here if we want to require them */}}
{{- if not (get $resources $category) -}}
{{- fail (printf "Container - Expected non-empty <resources.%s>" $category) -}}
{{- end -}}
{{- range $type := $resourceTypes -}}
{{- if not (get (get $resources $category) $type) -}}
{{- fail (printf "Container - Expected non-empty <resources.%s.%s>" $category $type) -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{- range $key := (list "requests" "limits") -}}
{{- $resourceCategory := (get $resources $key) -}}
{{- if $resourceCategory -}}
{{- range $type := $resourceTypes -}}
{{- $resourceValue := (get $resourceCategory $type) -}}
{{- if $resourceValue -}} {{/* Only try to match defined values */}}
{{- if not (mustRegexMatch (get $regex $type) (toString $resourceValue)) -}}
{{- fail (printf "Container - Expected <resources.%s.%s> to have one of the following formats [%s], but got [%s]" $key $type (get $errorMsg $type) $resourceValue) -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{- end -}}
{{- end -}}