eclair: add support for existing seed

charts/eclair/Chart.yaml

@@ -13,4 +13,4 @@ maintainers:
 name: eclair
 sources:
 - https://github.com/kubernetes/charts
-version: 0.8.4
+version: 0.9.0

charts/eclair/templates/deployment.yaml

@@ -41,6 +41,16 @@ spec:
             - name: data
               mountPath: /data
         {{ end }}
+        {{ if .Values.existingSeed }}
+        - name: copy-seed
+          image: busybox
+          command: ['sh', '-c', 'cat /seed/* >> /data/']
+          volumeMounts:
+            - name: seed
+              mountPath: /seed
+            - name: data
+              mountPath: /data
+        {{ end }}
         {{ if .Values.pluginConfig.enabled }}
         - name: copy-plugin-config
           image: busybox
@@ -96,6 +106,13 @@ spec:
             - secret:
                 name: {{ .Values.extraConfig.secretName }}
         {{ end }}
+        {{ if .Values.existingSeed }}
+        - name: seed
+          projected:
+            sources:
+            - secret:
+                name: {{ .Values.existingSeed }}
+        {{ end }}
         {{ if .Values.pluginConfig.enabled }}
         - name: pluginconfig
           projected:

charts/eclair/values.yaml

@@ -57,6 +57,15 @@ pluginConfig:
   enabled: false
   secretName: eclair-plugin-config
 
+# if specified, must be the name of a secret
+# that contains exactly 2 data fields:
+# - node_seed.dat -> SECURELY GENERATED 32 RANDOM bytes
+# - channel_seed.dat -> SECURELY GENERATED 32 RANDOM bytes
+# these will be used as the nodes' seed
+# if this is used in conjunction with a postgres database, then no persistent volume mount is needed.
+# to generate such a file: dd if=/dev/urandom of=node_seed.dat bs=32 count=1
+# existingSeed: eclair-seed-secret
+
 rtl:
   enabled: false
   eclairExtraConfigFile: eclair-extra.conf