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[stable/node-local-dns] add prefetch options to configuration #586

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merged 1 commit into from
Jun 19, 2024
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[stable/node-local-dns] add prefetch options to configuration #586

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2 changes: 1 addition & 1 deletion stable/node-local-dns/Chart.yaml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
apiVersion: v2
name: node-local-dns
version: 2.0.11
version: 2.0.12
appVersion: 1.23.1
maintainers:
- name: gabrieladt
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6 changes: 5 additions & 1 deletion stable/node-local-dns/README.md
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
# node-local-dns

![Version: 2.0.11](https://img.shields.io/badge/Version-2.0.11-informational?style=flat-square) ![AppVersion: 1.23.1](https://img.shields.io/badge/AppVersion-1.23.1-informational?style=flat-square)
![Version: 2.0.12](https://img.shields.io/badge/Version-2.0.12-informational?style=flat-square) ![AppVersion: 1.23.1](https://img.shields.io/badge/AppVersion-1.23.1-informational?style=flat-square)

A chart to install node-local-dns.

Expand Down Expand Up @@ -57,6 +57,10 @@ helm install my-release deliveryhero/node-local-dns -f values.yaml
| config.dnsServer | string | `"172.20.0.10"` | |
| config.healthPort | int | `8080` | |
| config.localDns | string | `"169.254.20.25"` | |
| config.prefetch.amount | int | `3` | |
| config.prefetch.duration | string | `"30s"` | |
| config.prefetch.enabled | bool | `false` | |
| config.prefetch.percentage | string | `"20%"` | |
| config.setupInterface | bool | `true` | |
| config.setupIptables | bool | `true` | |
| config.skipTeardown | bool | `false` | |
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21 changes: 21 additions & 0 deletions stable/node-local-dns/templates/configmap.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,9 @@ data:
cache {
success 9984 30
denial 9984 5
{{- if .Values.config.prefetch.enabled}}
prefetch {{ .Values.config.prefetch.amount }} {{ .Values.config.prefetch.duration }} {{ .Values.config.prefetch.percentage }}
{{- end }}
}
reload
loop
Expand All @@ -32,7 +35,13 @@ data:
}
in-addr.arpa:53 {
errors
{{- if .Values.config.prefetch.enabled}}
cache 30 {
prefetch {{ .Values.config.prefetch.amount }} {{ .Values.config.prefetch.duration }} {{ .Values.config.prefetch.percentage }}
}
{{- else }}
cache 30
{{- end }}
reload
loop
{{- if .Values.config.bindIp }}
Expand All @@ -47,7 +56,13 @@ data:
}
ip6.arpa:53 {
errors
{{- if .Values.config.prefetch.enabled}}
cache 30 {
prefetch {{ .Values.config.prefetch.amount }} {{ .Values.config.prefetch.duration }} {{ .Values.config.prefetch.percentage }}
}
{{- else }}
cache 30
{{- end }}
reload
loop
{{- if .Values.config.bindIp }}
Expand All @@ -62,7 +77,13 @@ data:
}
.:53 {
errors
{{- if .Values.config.prefetch.enabled}}
cache 30 {
prefetch {{ .Values.config.prefetch.amount }} {{ .Values.config.prefetch.duration }} {{ .Values.config.prefetch.percentage }}
}
{{- else }}
cache 30
{{- end }}
reload
loop
{{- if .Values.config.bindIp }}
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7 changes: 7 additions & 0 deletions stable/node-local-dns/values.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,13 @@ config:
# Set communication protocol. Options are `prefer_udp` or `force_tcp`
commProtocol: "force_tcp"

# If enabled, coredns will prefetch popular items when they are about to be expunged from the cache. https://coredns.io/plugins/cache/
prefetch:
enabled: false
amount: 3
duration: 30s
percentage: 20%

# Port used for the health endpoint
healthPort: 8080

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