37de340600
This PS reduces the delta between OSH and OSH-Infra helm toolkits to simply the image repo management functions. Change-Id: I3addfbcda6a3c1d34c9f967be07eaceffb468f0e
272 lines
14 KiB
Smarty
272 lines
14 KiB
Smarty
{{/*
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Copyright 2017 The Openstack-Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/}}
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{{- define "helm-toolkit.utils.daemonset_overrides" }}
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{{- $daemonset := index . 0 }}
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{{- $daemonset_yaml := index . 1 }}
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{{- $configmap_include := index . 2 }}
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{{- $configmap_name := index . 3 }}
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{{- $context := index . 4 }}
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{{- $_ := unset $context ".Files" }}
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{{- $_ := set $context.Values "__daemonset_yaml" $daemonset_yaml }}
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{{- $daemonset_root_name := printf (print $context.Chart.Name "_" $daemonset) }}
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{{- $_ := set $context.Values "__daemonset_list" list }}
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{{- $_ := set $context.Values "__default" dict }}
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{{- if hasKey $context.Values.conf "overrides" }}
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{{- range $key, $val := $context.Values.conf.overrides }}
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{{- if eq $key $daemonset_root_name }}
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{{- range $type, $type_data := . }}
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{{- if eq $type "hosts" }}
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{{- range $host_data := . }}
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{{/* dictionary that will contain all info needed to generate this
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iteration of the daemonset */}}
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{{- $current_dict := dict }}
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{{/* set daemonset name */}}
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{{- $_ := set $current_dict "name" $host_data.name }}
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{{/* apply overrides */}}
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{{- $override_conf_copy := $host_data.conf }}
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{{- $root_conf_copy := omit $context.Values.conf "overrides" }}
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{{- $merged_dict := merge $override_conf_copy $root_conf_copy }}
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{{- $root_conf_copy2 := dict "conf" $merged_dict }}
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{{- $context_values := omit $context.Values "conf" }}
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{{- $root_conf_copy3 := merge $context_values $root_conf_copy2 }}
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{{- $root_conf_copy4 := dict "Values" $root_conf_copy3 }}
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{{- $_ := set $current_dict "nodeData" $root_conf_copy4 }}
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{{/* Schedule to this host explicitly. */}}
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{{- $nodeSelector_dict := dict }}
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{{- $_ := set $nodeSelector_dict "key" "kubernetes.io/hostname" }}
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{{- $_ := set $nodeSelector_dict "operator" "In" }}
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{{- $values_list := list $host_data.name }}
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{{- $_ := set $nodeSelector_dict "values" $values_list }}
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{{- $list_aggregate := list $nodeSelector_dict }}
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{{- $_ := set $current_dict "matchExpressions" $list_aggregate }}
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{{/* store completed daemonset entry/info into global list */}}
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{{- $list_aggregate := append $context.Values.__daemonset_list $current_dict }}
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{{- $_ := set $context.Values "__daemonset_list" $list_aggregate }}
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{{- end }}
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{{- end }}
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{{- if eq $type "labels" }}
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{{- $_ := set $context.Values "__label_list" . }}
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{{- range $label_data := . }}
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{{/* dictionary that will contain all info needed to generate this
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iteration of the daemonset. */}}
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{{- $_ := set $context.Values "__current_label" dict }}
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{{/* set daemonset name */}}
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{{- $_ := set $context.Values.__current_label "name" $label_data.label.key }}
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{{/* apply overrides */}}
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{{- $override_conf_copy := $label_data.conf }}
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{{- $root_conf_copy := omit $context.Values.conf "overrides" }}
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{{- $merged_dict := merge $override_conf_copy $root_conf_copy }}
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{{- $root_conf_copy2 := dict "conf" $merged_dict }}
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{{- $context_values := omit $context.Values "conf" }}
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{{- $root_conf_copy3 := merge $context_values $root_conf_copy2 }}
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{{- $root_conf_copy4 := dict "Values" $root_conf_copy3 }}
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{{- $_ := set $context.Values.__current_label "nodeData" $root_conf_copy4 }}
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{{/* Schedule to the provided label value(s) */}}
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{{- $label_dict := omit $label_data.label "NULL" }}
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{{- $_ := set $label_dict "operator" "In" }}
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{{- $list_aggregate := list $label_dict }}
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{{- $_ := set $context.Values.__current_label "matchExpressions" $list_aggregate }}
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{{/* Do not schedule to other specified labels, with higher
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precedence as the list position increases. Last defined label
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is highest priority. */}}
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{{- $other_labels := without $context.Values.__label_list $label_data }}
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{{- range $label_data2 := $other_labels }}
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{{- $label_dict := omit $label_data2.label "NULL" }}
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{{- $_ := set $label_dict "operator" "NotIn" }}
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{{- $list_aggregate := append $context.Values.__current_label.matchExpressions $label_dict }}
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{{- $_ := set $context.Values.__current_label "matchExpressions" $list_aggregate }}
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{{- end }}
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{{- $_ := set $context.Values "__label_list" $other_labels }}
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{{/* Do not schedule to any other specified hosts */}}
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{{- range $type, $type_data := $val }}
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{{- if eq $type "hosts" }}
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{{- range $host_data := . }}
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{{- $label_dict := dict }}
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{{- $_ := set $label_dict "key" "kubernetes.io/hostname" }}
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{{- $_ := set $label_dict "operator" "NotIn" }}
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{{- $values_list := list $host_data.name }}
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{{- $_ := set $label_dict "values" $values_list }}
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{{- $list_aggregate := append $context.Values.__current_label.matchExpressions $label_dict }}
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{{- $_ := set $context.Values.__current_label "matchExpressions" $list_aggregate }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/* store completed daemonset entry/info into global list */}}
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{{- $list_aggregate := append $context.Values.__daemonset_list $context.Values.__current_label }}
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{{- $_ := set $context.Values "__daemonset_list" $list_aggregate }}
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{{- $_ := unset $context.Values "__current_label" }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/* scheduler exceptions for the default daemonset */}}
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{{- $_ := set $context.Values.__default "matchExpressions" list }}
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{{- range $type, $type_data := . }}
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{{/* Do not schedule to other specified labels */}}
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{{- if eq $type "labels" }}
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{{- range $label_data := . }}
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{{- $default_dict := omit $label_data.label "NULL" }}
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{{- $_ := set $default_dict "operator" "NotIn" }}
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{{- $list_aggregate := append $context.Values.__default.matchExpressions $default_dict }}
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{{- $_ := set $context.Values.__default "matchExpressions" $list_aggregate }}
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{{- end }}
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{{- end }}
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{{/* Do not schedule to other specified hosts */}}
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{{- if eq $type "hosts" }}
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{{- range $host_data := . }}
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{{- $default_dict := dict }}
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{{- $_ := set $default_dict "key" "kubernetes.io/hostname" }}
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{{- $_ := set $default_dict "operator" "NotIn" }}
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{{- $values_list := list $host_data.name }}
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{{- $_ := set $default_dict "values" $values_list }}
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{{- $list_aggregate := append $context.Values.__default.matchExpressions $default_dict }}
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{{- $_ := set $context.Values.__default "matchExpressions" $list_aggregate }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/* generate the default daemonset */}}
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{{/* set name */}}
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{{- $_ := set $context.Values.__default "name" "default" }}
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{{/* no overrides apply, so copy as-is */}}
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{{- $root_conf_copy1 := omit $context.Values.conf "overrides" }}
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{{- $root_conf_copy2 := dict "conf" $root_conf_copy1 }}
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{{- $context_values := omit $context.Values "conf" }}
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{{- $root_conf_copy3 := merge $context_values $root_conf_copy2 }}
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{{- $root_conf_copy4 := dict "Values" $root_conf_copy3 }}
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{{- $_ := set $context.Values.__default "nodeData" $root_conf_copy4 }}
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{{/* add to global list */}}
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{{- $list_aggregate := append $context.Values.__daemonset_list $context.Values.__default }}
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{{- $_ := set $context.Values "__daemonset_list" $list_aggregate }}
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{{- $_ := set $context.Values "__last_configmap_name" $configmap_name }}
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{{- range $current_dict := $context.Values.__daemonset_list }}
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{{- $context_novalues := omit $context "Values" }}
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{{- $merged_dict := merge $current_dict.nodeData $context_novalues }}
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{{- $_ := set $current_dict "nodeData" $merged_dict }}
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{{/* name needs to be a DNS-1123 compliant name. Ensure lower case */}}
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{{- $name_format1 := printf (print $daemonset_root_name "-" $current_dict.name) | lower }}
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{{/* labels may contain underscores which would be invalid here, so we replace them with dashes
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there may be other valid label names which would make for an invalid DNS-1123 name
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but these will be easier to handle in future with sprig regex* functions
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(not availabile in helm 2.5.1) */}}
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{{- $name_format2 := $name_format1 | replace "_" "-" }}
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{{/* To account for the case where the same label is defined multiple times in overrides
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(but with different label values), we add a sha of the scheduling data to ensure
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name uniqueness */}}
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{{- $_ := set $current_dict "dns_1123_name" dict }}
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{{- if hasKey $current_dict "matchExpressions" }}
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{{- $_ := set $current_dict "dns_1123_name" (printf (print $name_format2 "-" ($current_dict.matchExpressions | quote | sha256sum | trunc 8))) }}
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{{- else }}
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{{- $_ := set $current_dict "dns_1123_name" $name_format2 }}
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{{- end }}
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{{/* set daemonset metadata name */}}
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{{- if not $context.Values.__daemonset_yaml.metadata }}{{- $_ := set $context.Values.__daemonset_yaml "metadata" dict }}{{- end }}
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{{- if not $context.Values.__daemonset_yaml.metadata.name }}{{- $_ := set $context.Values.__daemonset_yaml.metadata "name" dict }}{{- end }}
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{{- $_ := set $context.Values.__daemonset_yaml.metadata "name" $current_dict.dns_1123_name }}
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{{/* set container name
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assume not more than one container is defined */}}
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{{- $container := first $context.Values.__daemonset_yaml.spec.template.spec.containers }}
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{{- $_ := set $container "name" $current_dict.dns_1123_name }}
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{{- $cont_list := list $container }}
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{{- $_ := set $context.Values.__daemonset_yaml.spec.template.spec "containers" $cont_list }}
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{{/* cross-reference configmap name to container volume definitions */}}
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{{- $_ := set $context.Values "__volume_list" list }}
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{{- range $current_volume := $context.Values.__daemonset_yaml.spec.template.spec.volumes }}
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{{- $_ := set $context.Values "__volume" $current_volume }}
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{{- if hasKey $context.Values.__volume "configMap" }}
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{{- if eq $context.Values.__volume.configMap.name $context.Values.__last_configmap_name }}
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{{- $_ := set $context.Values.__volume.configMap "name" $current_dict.dns_1123_name }}
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{{- end }}
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{{- end }}
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{{- $updated_list := append $context.Values.__volume_list $context.Values.__volume }}
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{{- $_ := set $context.Values "__volume_list" $updated_list }}
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{{- end }}
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{{- $_ := set $context.Values.__daemonset_yaml.spec.template.spec "volumes" $context.Values.__volume_list }}
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{{/* populate scheduling restrictions */}}
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{{- if hasKey $current_dict "matchExpressions" }}
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{{- if not $context.Values.__daemonset_yaml.spec.template.spec }}{{- $_ := set $context.Values.__daemonset_yaml.spec.template "spec" dict }}{{- end }}
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{{- if not $context.Values.__daemonset_yaml.spec.template.spec.affinity }}{{- $_ := set $context.Values.__daemonset_yaml.spec.template.spec "affinity" dict }}{{- end }}
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{{- if not $context.Values.__daemonset_yaml.spec.template.spec.affinity.nodeAffinity }}{{- $_ := set $context.Values.__daemonset_yaml.spec.template.spec.affinity "nodeAffinity" dict }}{{- end }}
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{{- if not $context.Values.__daemonset_yaml.spec.template.spec.affinity.nodeAffinity.requiredDuringSchedulingIgnoredDuringExecution }}{{- $_ := set $context.Values.__daemonset_yaml.spec.template.spec.affinity.nodeAffinity "requiredDuringSchedulingIgnoredDuringExecution" dict }}{{- end }}
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{{- $match_exprs := dict }}
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{{- $_ := set $match_exprs "matchExpressions" $current_dict.matchExpressions }}
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{{- $appended_match_expr := list $match_exprs }}
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{{- $_ := set $context.Values.__daemonset_yaml.spec.template.spec.affinity.nodeAffinity.requiredDuringSchedulingIgnoredDuringExecution "nodeSelectorTerms" $appended_match_expr }}
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{{- end }}
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{{/* input value hash for current set of values overrides */}}
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{{- if not $context.Values.__daemonset_yaml.spec }}{{- $_ := set $context.Values.__daemonset_yaml "spec" dict }}{{- end }}
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{{- if not $context.Values.__daemonset_yaml.spec.template }}{{- $_ := set $context.Values.__daemonset_yaml.spec "template" dict }}{{- end }}
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{{- if not $context.Values.__daemonset_yaml.spec.template.metadata }}{{- $_ := set $context.Values.__daemonset_yaml.spec.template "metadata" dict }}{{- end }}
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{{- if not $context.Values.__daemonset_yaml.spec.template.metadata.annotations }}{{- $_ := set $context.Values.__daemonset_yaml.spec.template.metadata "annotations" dict }}{{- end }}
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{{- $cmap := list $current_dict.dns_1123_name $current_dict.nodeData | include $configmap_include }}
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{{- $values_hash := $cmap | quote | sha256sum }}
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{{- $_ := set $context.Values.__daemonset_yaml.spec.template.metadata.annotations "configmap-etc-hash" $values_hash }}
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{{/* generate configmap */}}
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---
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{{ $cmap }}
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{{/* generate daemonset yaml */}}
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---
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{{ $context.Values.__daemonset_yaml | toYaml }}
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{{- $_ := set $context.Values "__last_configmap_name" $current_dict.dns_1123_name }}
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{{- end }}
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{{- end }}
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