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review.vexxhost.dev / atmosphere / 9ad0d463b78eb5988eb0421bc0bef53ab9d6dfc5 / . / charts / coredns / templates / _helpers.tpl
blob: ade15239da31e70aa56d9e32412f306001da6624 [file] [log] [blame]
Mohammed Naser9ad0d462023-01-15 20:36:37 -0500[diff] [blame^]1{{/* vim: set filetype=mustache: */}}
2{{/*
3Expand the name of the chart.
4*/}}
5{{- define "coredns.name" -}}
6{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
7{{- end -}}
8
9{{/*
10Create a default fully qualified app name.
11We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
12*/}}
13{{- define "coredns.fullname" -}}
14{{- if .Values.fullnameOverride -}}
15{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
16{{- else -}}
17{{- $name := default .Chart.Name .Values.nameOverride -}}
18{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
19{{- end -}}
20{{- end -}}
21
22{{/*
23Generate the list of ports automatically from the server definitions
24*/}}
25{{- define "coredns.servicePorts" -}}
26 {{/* Set ports to be an empty dict */}}
27 {{- $ports := dict -}}
28 {{/* Iterate through each of the server blocks */}}
29 {{- range .Values.servers -}}
30 {{/* Capture port to avoid scoping awkwardness */}}
31 {{- $port := toString .port -}}
32
33 {{/* If none of the server blocks has mentioned this port yet take note of it */}}
34 {{- if not (hasKey $ports $port) -}}
35 {{- $ports := set $ports $port (dict "istcp" false "isudp" false) -}}
36 {{- end -}}
37 {{/* Retrieve the inner dict that holds the protocols for a given port */}}
38 {{- $innerdict := index $ports $port -}}
39
40 {{/*
41 Look at each of the zones and check which protocol they serve
42 At the moment the following are supported by CoreDNS:
43 UDP: dns://
44 TCP: tls://, grpc://
45 */}}
46 {{- range .zones -}}
47 {{- if has (default "" .scheme) (list "dns://") -}}
48 {{/* Optionally enable tcp for this service as well */}}
49 {{- if eq (default false .use_tcp) true }}
50 {{- $innerdict := set $innerdict "istcp" true -}}
51 {{- end }}
52 {{- $innerdict := set $innerdict "isudp" true -}}
53 {{- end -}}
54
55 {{- if has (default "" .scheme) (list "tls://" "grpc://") -}}
56 {{- $innerdict := set $innerdict "istcp" true -}}
57 {{- end -}}
58 {{- end -}}
59
60 {{/* If none of the zones specify scheme, default to dns:// on both tcp & udp */}}
61 {{- if and (not (index $innerdict "istcp")) (not (index $innerdict "isudp")) -}}
62 {{- $innerdict := set $innerdict "isudp" true -}}
63 {{- $innerdict := set $innerdict "istcp" true -}}
64 {{- end -}}
65
66 {{- if .nodePort -}}
67 {{- $innerdict := set $innerdict "nodePort" .nodePort -}}
68 {{- end -}}
69
70 {{/* Write the dict back into the outer dict */}}
71 {{- $ports := set $ports $port $innerdict -}}
72 {{- end -}}
73
74 {{/* Write out the ports according to the info collected above */}}
75 {{- range $port, $innerdict := $ports -}}
76 {{- $portList := list -}}
77 {{- if index $innerdict "isudp" -}}
78 {{- $portList = append $portList (dict "port" ($port | int) "protocol" "UDP" "name" (printf "udp-%s" $port)) -}}
79 {{- end -}}
80 {{- if index $innerdict "istcp" -}}
81 {{- $portList = append $portList (dict "port" ($port | int) "protocol" "TCP" "name" (printf "tcp-%s" $port)) -}}
82 {{- end -}}
83
84 {{- range $portDict := $portList -}}
85 {{- if index $innerdict "nodePort" -}}
86 {{- $portDict := set $portDict "nodePort" (get $innerdict "nodePort" | int) -}}
87 {{- end -}}
88
89 {{- printf "- %s\n" (toJson $portDict) -}}
90 {{- end -}}
91 {{- end -}}
92{{- end -}}
93
94{{/*
95Generate the list of ports automatically from the server definitions
96*/}}
97{{- define "coredns.containerPorts" -}}
98 {{/* Set ports to be an empty dict */}}
99 {{- $ports := dict -}}
100 {{/* Iterate through each of the server blocks */}}
101 {{- range .Values.servers -}}
102 {{/* Capture port to avoid scoping awkwardness */}}
103 {{- $port := toString .port -}}
104
105 {{/* If none of the server blocks has mentioned this port yet take note of it */}}
106 {{- if not (hasKey $ports $port) -}}
107 {{- $ports := set $ports $port (dict "istcp" false "isudp" false) -}}
108 {{- end -}}
109 {{/* Retrieve the inner dict that holds the protocols for a given port */}}
110 {{- $innerdict := index $ports $port -}}
111
112 {{/*
113 Look at each of the zones and check which protocol they serve
114 At the moment the following are supported by CoreDNS:
115 UDP: dns://
116 TCP: tls://, grpc://
117 */}}
118 {{- range .zones -}}
119 {{- if has (default "" .scheme) (list "dns://") -}}
120 {{/* Optionally enable tcp for this service as well */}}
121 {{- if eq (default false .use_tcp) true }}
122 {{- $innerdict := set $innerdict "istcp" true -}}
123 {{- end }}
124 {{- $innerdict := set $innerdict "isudp" true -}}
125 {{- end -}}
126
127 {{- if has (default "" .scheme) (list "tls://" "grpc://") -}}
128 {{- $innerdict := set $innerdict "istcp" true -}}
129 {{- end -}}
130 {{- end -}}
131
132 {{/* If none of the zones specify scheme, default to dns:// on both tcp & udp */}}
133 {{- if and (not (index $innerdict "istcp")) (not (index $innerdict "isudp")) -}}
134 {{- $innerdict := set $innerdict "isudp" true -}}
135 {{- $innerdict := set $innerdict "istcp" true -}}
136 {{- end -}}
137
138 {{/* Write the dict back into the outer dict */}}
139 {{- $ports := set $ports $port $innerdict -}}
140 {{- end -}}
141
142 {{/* Write out the ports according to the info collected above */}}
143 {{- range $port, $innerdict := $ports -}}
144 {{- if index $innerdict "isudp" -}}
145 {{- printf "- {containerPort: %v, protocol: UDP, name: udp-%s}\n" $port $port -}}
146 {{- end -}}
147 {{- if index $innerdict "istcp" -}}
148 {{- printf "- {containerPort: %v, protocol: TCP, name: tcp-%s}\n" $port $port -}}
149 {{- end -}}
150 {{- end -}}
151{{- end -}}
152
153{{/*
154Create the name of the service account to use
155*/}}
156{{- define "coredns.serviceAccountName" -}}
157{{- if .Values.serviceAccount.create -}}
158 {{ default (include "coredns.fullname" .) .Values.serviceAccount.name }}
159{{- else -}}
160 {{ default "default" .Values.serviceAccount.name }}
161{{- end -}}
162{{- end -}}