feat(solr): add solr (#162)

* feat(solr): add solr dep

* bump

Co-authored-by: Kjeld Schouten-Lebbing <kjeld@schouten-lebbing.nl>

charts/common/Chart.yaml

@@ -15,4 +15,4 @@ maintainers:
 name: common
 sources: null
 type: library
-version: 10.3.1
+version: 10.4.0

charts/common/templates/lib/controller/_prepare.tpl

@@ -63,6 +63,24 @@ before chart installation.
           name: clickhousecreds
           key: ping
     {{- end }}
+    {{- if .Values.solr.enabled }}
+    - name: "SOLR_HOST"
+      valueFrom:
+        secretKeyRef:
+          name: solrcreds
+          key: plainhost
+    - name: SOLR_CORES
+      value: "{{ .Values.solr.solrCores }}"
+    - name: SOLR_ENABLE_AUTHENTICATION
+      value: "{{ .Values.solr.solrEnableAuthentication }}"
+    - name: SOLR_ADMIN_USERNAME
+      value: "{{ .Values.solr.solrUsername }}"
+    - name: SOLR_ADMIN_PASSWORD
+      valueFrom:
+        secretKeyRef:
+          name: solrcreds
+          key: solr-password
+    {{- end }}
   command:
     - "/bin/sh"
     - "-c"
@@ -144,6 +162,14 @@ before chart installation.
         sleep 2
       done
       {{- end }}
+      {{- if .Values.solr.enabled }}
+      if [ "$SOLR_ENABLE_AUTHENTICATION" == "yes" ]; then
+        until curl --fail --user "${SOLR_ADMIN_USERNAME}":"${SOLR_ADMIN_PASSWORD}" "${SOLR_HOST}":8983/solr/"${SOLR_CORES}"/admin/ping; do sleep 2; done
+      else
+        until curl --fail "${SOLR_HOST}":8983/solr/"${SOLR_CORES}"/admin/ping; do sleep 2; done
+      fi;
+      {{- end }}
+
       EOF
 
   volumeMounts:

charts/common/templates/lib/dependencies/_solrInjector.tpl

@@ -0,0 +1,32 @@
+{{/*
+This template generates a random password and ensures it persists across updates/edits to the chart
+*/}}
+{{- define "tc.common.dependencies.solr.injector" -}}
+{{- $host := printf "%v-%v" .Release.Name "solr" }}
+
+{{- if .Values.solr.enabled }}
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  labels:
+    {{- include "tc.common.labels" . | nindent 4 }}
+  name: solrcreds
+{{- $solrprevious := lookup "v1" "Secret" .Release.Namespace "solrcreds" }}
+{{- $solrPass := "" }}
+data:
+{{- if $solrprevious }}
+  {{- $solrPass = ( index $solrprevious.data "solr-password" ) | b64dec  }}
+  solr-password: {{ ( index $solrprevious.data "solr-password" ) }}
+{{- else }}
+  {{- $solrPass = randAlphaNum 50 }}
+  solr-password: {{ $solrPass | b64enc | quote }}
+{{- end }}
+  url: {{ ( printf "http://%v:%v@%v-solr:8983/%v" .Values.solr.solrUsername $solrPass .Release.Name .Values.solr.solrCores  ) | b64enc | quote }}
+type: Opaque
+{{- $_ := set .Values.solr "solrPassword" ( $solrPass | quote ) }}
+{{- $_ := set .Values.solr.url "plain" ( ( printf "%v-%v" .Release.Name "solr" ) | quote ) }}
+{{- $_ := set .Values.solr.url "plainhost" ( ( printf "%v-%v" .Release.Name "solr" ) | quote ) }}
+
+{{- end }}
+{{- end -}}

charts/common/templates/loader/_init.tpl

@@ -30,4 +30,7 @@
 
   {{- /* Autogenerate clickhouse passwords if needed */ -}}
   {{- include "tc.common.dependencies.clickhouse.injector" . }}
+
+  {{- /* Autogenerate solr passwords if needed */ -}}
+  {{- include "tc.common.dependencies.solr.injector" . }}
 {{- end -}}

charts/common/values.yaml

@@ -1166,3 +1166,11 @@ clickhouse:
   existingSecret: "clickhousecreds"
   # -- can be used to make an easy accessable note which URLS to use to access the DB.
   url: {}
+
+# -- solr dependency configuration
+# @default -- See below
+solr:
+  enabled: false
+  existingSecret: "solrcreds"
+  # -- can be used to make an easy accessable note which URLS to use to access the DB.
+  url: {}