{{- if not .Values.image.repository }}
{{ fail "[ERROR] 'image.repository' must be set. See https://github.com/open-telemetry/opentelemetry-helm-charts/blob/main/charts/opentelemetry-collector/UPGRADING.md for instructions." }}
{{ end }}

{{- if and (not (eq .Values.mode "daemonset")) (not (eq .Values.mode "deployment")) (not (eq .Values.mode "statefulset")) }}
{{ fail "[ERROR] 'mode' must be set. See https://github.com/open-telemetry/opentelemetry-helm-charts/blob/main/charts/opentelemetry-collector/UPGRADING.md for instructions." }}
{{ end }}

{{- if and (eq .Values.dnsPolicy "None") (not .Values.dnsConfig) }}
{{- fail "[ERROR] dnsConfig should be provided when dnsPolicy is None" }}
{{ end }}

{{- if .Values.presets.clusterMetrics.enabled }}
{{- if eq .Values.mode "daemonset"}}
{{- fail "Cluster Metrics preset is not suitable for daemonset mode. Please use statefulset or deployment mode with replicaCount: 1"}}
{{ end }}
{{- if gt (int .Values.replicaCount) 1 }}
{{- fail "Cluster Metrics preset is not suitable for replicaCount greater than one. Please change replica count to one." }}
{{ end }}
{{ end }}

{{/* validate extensions must include health_check */}}
{{- if not (has "health_check" .Values.config.service.extensions) }}
{{ fail "[ERROR] The opentelemetry-collector chart requires that the health_check extension to be included in the extension list." }}
{{- end}}

{{- if not .Values.configMap.create }}
[WARNING] "configMap" wil not be created and "config" will not take effect.
{{ end }}

{{- if and .Values.configMap.create .Values.configMap.existingName }}
{{ fail "[ERROR] Cannot set configMap.existingName when configMap.create is true" }}
{{ end }}

{{- if and .Values.configMap.create .Values.configMap.existingPath }}
{{ fail "[ERROR] Cannot set configMap.existingPath when configMap.create is true" }}
{{ end }}

{{- if not .Values.resources }}
[WARNING] No resource limits or requests were set. Consider setter resource requests and limits for your collector(s) via the `resources` field.
{{ end }}

{{- if and (eq .Values.mode "daemonset") (eq .Values.service.internalTrafficPolicy "Cluster") }}
[WARNING] Setting internalTrafficPolicy to 'Cluster' on Daemonset is not recommended. Consider using 'Local' instead.
{{ end }}

{{- if and (.Values.useGOMEMLIMIT) (not ((((.Values.resources).limits).memory))) }}
[WARNING] "useGOMEMLIMIT" is enabled but memory limits have not been supplied so the GOMEMLIMIT env var could not be added. Solve this problem by setting resources.limits.memory or disabling useGOMEMLIMIT
{{ end }}