make Cassandra work (fixes #2); document that it may take a minute

README.md

@@ -28,6 +28,11 @@ helm install -n thehive my-thehive . \
 Defaults are for local index storage, local database storage, and
 attachment storage, all on Kubernetes persistent volumes.
 
+## Caveats
+
+Upon first installation, TheHive may fail to connect to Cassandra for
+a few minutes. Try waiting it out.
+
 ## Improving it
 
 If this chart doesn't flex in a way you need it to, and there isn't

templates/_helpers.tpl

@@ -23,6 +23,25 @@ If release name contains chart name it will be used as a full name.
 {{- end }}
 {{- end }}
 
+{{/*
+Create the name of Cassandra, because it looks like scoping issues prevent us
+from using its original definition.
+*/}}
+{{- define "thehive.cassandra.fullname" -}}
+{{- if .Values.cassandra.fullnameOverride }}
+{{- .Values.cassandra.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := "cassandra" }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+
+
+{{- define "thehive.cassandra.secretname" -}}
+{{ include "thehive.cassandra.fullname" . }}
+{{- end }}
+
+
 {{/*
 Name the Play framework secret.
 */}}

templates/configmap.yaml

@@ -21,7 +21,7 @@ data:
           {{- if .Values.cassandra.enabled }}
             backend: cql
             # let the Kubernetes Service take care of it
-            hostname: ['cassandra']
+            hostname: [ {{ include "thehive.cassandra.fullname" . | quote }} ]
             username: "@@CQL_USERNAME@@"
             password: "@@CQL_PASSWORD@@"
             cql {
@@ -78,6 +78,7 @@ data:
         <!-- <logger name="org.thp.scalligraph.auth" level="TRACE"/> -->
         <!-- <logger name="services.UserSrv" level="TRACE" /> -->
         <!-- /authentication debugging -->
+        <logger name="org.janusgraph.diskstorage.cql" level="TRACE"/>
         <logger name="com.gargoylesoftware.htmlunit.javascript" level="OFF"/>
         <root level="INFO">
             <appender-ref ref="ASYNCSTDOUT"/>

templates/deployment.yaml

@@ -93,7 +93,7 @@ spec:
               value: changeit
             {{- end }}
             - name: ES_USERNAME
-              valueFrom
+              value: {{ .Values.elasticsearch.username | quote }}
             - name: ES_PASSWORD
               valueFrom:
                 secretKeyRef:
@@ -102,9 +102,12 @@ spec:
             {{- end }}
             {{- if .Values.cassandra.enabled }}
             - name: CQL_USERNAME
-              value: notimplementedyet
+              value: {{ .Values.cassandra.dbUser.user | default "cassandra" | quote }}
             - name: CQL_PASSWORD
-              value: notimplementedyet
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "thehive.cassandra.secretname" . | quote }}
+                  key: "cassandra-password"
             {{- end }}
           command:
             - sh