feat(cardano-node): enhance topology.json template (#248)

Signed-off-by: wcatz <[email protected]>

Author: wcatz

charts/cardano-node/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: cardano-node
 description: Creates a Cardano node deployment with SOCAT sidecar
-version: 0.3.0
+version: 0.4.0
 appVersion: 10.3.1
 maintainers:
   - name: aurora

charts/cardano-node/templates/topology-configmap.yaml

@@ -8,6 +8,53 @@ metadata:
   labels:
 {{ include "cardano-node.labels" . | nindent 4 }}
 data:
-  topology.json: |-
-{{ toJson .Values.topology.config | indent 4 }}
+  topology.json: |
+    {
+      "bootstrapPeers": [{{- range $i, $peer := .Values.topology.bootstrapPeers }}
+        {{- if $i }},{{ end }}
+        { "address": "{{ $peer.address }}", "port": {{ $peer.port }} }
+      {{- end }}],
+      "localRoots": [
+      {{- range $i, $local := .Values.topology.localRoots }}
+        {{- if $i }},{{ end }}
+        {
+          "accessPoints": [
+          {{- range $j, $peer := $local.accessPoints }}
+            {{- if $j }},{{ end }}
+            { "address": "{{ $peer.address }}", "port": {{ $peer.port }}, "name": "{{ $peer.name }}" }
+          {{- end }}
+          ],
+          "advertise": {{ $local.advertise | toJson }},
+          "trustable": {{ $local.trustable | default false | toJson }},
+          "valency": {{ $local.valency }}
+        }
+      {{- end }}
+      ]
+      {{- with .Values.topology.peerSnapshotFile }},
+      "peerSnapshotFile": "{{ . }}"
+      {{- end }},
+      "publicRoots": [{{- $hasPublicRoots := false }}
+      {{- range $public := .Values.topology.publicRoots }}
+        {{- if and (hasKey $public "accessPoints") (gt (len $public.accessPoints) 0) }}
+          {{- $hasPublicRoots = true }}
+        {{- end }}
+      {{- end }}
+      {{- if $hasPublicRoots }}
+        {{- range $i, $public := .Values.topology.publicRoots }}
+          {{- if and (hasKey $public "accessPoints") (gt (len $public.accessPoints) 0) }}
+            {{- if $i }},{{ end }}
+            {
+              "accessPoints": [
+              {{- range $j, $peer := $public.accessPoints }}
+                {{- if $j }},{{ end }}
+                { "address": "{{ $peer.address }}", "port": {{ $peer.port }}, "name": "{{ $peer.name }}" }
+              {{- end }}
+              ],
+              "advertise": {{ $public.advertise | default false | toJson }}
+            }
+          {{- end }}
+        {{- end }}
+      {{- end }}],
+      "useLedgerAfterSlot": {{ .Values.topology.useLedgerAfterSlot | int }}
+    }
 {{- end }}

charts/cardano-node/values.yaml

@@ -36,24 +36,34 @@ blockProducer:
 #      description: VRF Signing Key
 #      cborHex: 5840823318989cf48897044629a22a27c8bf975215fe28161fc90cc42e9446a331be96a37ee0c4060a46ee0bf99fcba3460be133e7e343dd7d4144f67f2a6402e886
 
+# Custom topology. When disabled the image will load the default topology for chosen cardano_network
 topology:
   enabled: false
-#  config:
-#    bootstrapPeers:
-#      - address: "preview-node.play.dev.cardano.org"
-#        port: 3001
-#    localRoots:
-#      - accessPoints:
-#        - address: "preview-node.play.dev.cardano.org"
+#  bootstrapPeers:
+#    - address: preview-node.play.dev.cardano.org
+#      port: 3001
+#  localRoots:
+#    - accessPoints:
+#        - name: Example
+#          address: preview-node.play.dev.cardano.org
 #          port: 3001
-#        advertise: false
-#        trustable: false
-#        valency: 1
-#    peerSnapshotFile: "peer-snapshot.json"
-#    publicRoots:
-#      - accessPoints: []
-#        advertise: false
-#    useLedgerAfterSlot: 83116868
+#      advertise: false
+#      trustable: true
+#      valency: 1
+#    - accessPoints:
+#        - name: Example
+#          address: preview-node.play.dev.cardano.org
+#          port: 3001
+#        - name: Example
+#          address: preview-node.play.dev.cardano.org
+#          port: 3001
+#      advertise: true
+#      trustable: false
+#      valency: 2
+#  publicRoots:
+#    - advertise: true
+#  # useLedgerAfterSlot: -1 to disable ledger peer discovery
+#  useLedgerAfterSlot: 83116868
 
 storage:
 # Suitable for preview and preprod, 250+ for mainnet