Ensure streams are created before source edits

Signed-off-by: Byron Ruth <byron@nats.io>

Author: bruth

examples/topologies/multi-region/cli/contexts/central-system.json

@@ -3,25 +3,21 @@ version: '3'
 services:
   n1.east.example.net:
     container_name: n1-east
-    image: nats
+    image: synadia/nats-server:nightly-main
     dns_search: example.net
     environment:
       GATEWAY: c1
       NAME: n1-east
       ADVERTISE: localhost:10000
       REGION: region:east
-    networks:
-    - nats-cluster1
-    - shared
     volumes:
-    - "./configs/cluster-east.conf:/nats-server.conf"
-    - "./data/n1-east:/data"
+    - "./configs/cluster-east.conf:/nats/conf/nats-server.conf"
     ports:
     - 10000:4222
     - 10100:7422
   n2.east.example.net:
     container_name: n2-east
-    image: nats
+    image: synadia/nats-server:nightly-main
     dns_search: example.net
     labels:
       com.docker-tc.enabled: '1'
@@ -30,138 +26,106 @@ services:
       NAME: n2-east
       ADVERTISE: localhost:10001
       REGION: region:east
-    networks:
-    - nats-cluster1
-    - shared
     volumes:
-    - "./configs/cluster-east.conf:/nats-server.conf"
-    - "./data/n2-east:/data"
+    - "./configs/cluster-east.conf:/nats/conf/nats-server.conf"
     ports:
     - 10001:4222
     - 10101:7422
   n3.east.example.net:
     container_name: n3-east
-    image: nats
+    image: synadia/nats-server:nightly-main
     dns_search: example.net
     environment:
       GATEWAY: c1
       NAME: n3-east
       ADVERTISE: localhost:10002
       REGION: region:east
-    networks:
-    - nats-cluster1
-    - shared
     volumes:
-    - "./configs/cluster-east.conf:/nats-server.conf"
-    - "./data/n3-east:/data"
+    - "./configs/cluster-east.conf:/nats/conf/nats-server.conf"
     ports:
     - 10002:4222
     - 10102:7422
   n1.central.example.net:
     container_name: n1-central
-    image: nats
+    image: synadia/nats-server:nightly-main
     dns_search: example.net
     environment:
       GATEWAY: c1
       NAME: n1-central
       ADVERTISE: localhost:10003
       REGION: region:central
-    networks:
-    - nats-cluster1
-    - shared
     volumes:
-    - "./configs/cluster-central.conf:/nats-server.conf"
-    - "./data/n1-central:/data"
+    - "./configs/cluster-central.conf:/nats/conf/nats-server.conf"
     ports:
     - 10003:4222
     - 10103:7422
   n2.central.example.net:
     container_name: n2-central
-    image: nats
+    image: synadia/nats-server:nightly-main
     dns_search: example.net
     environment:
       GATEWAY: c1
       NAME: n2-central
       ADVERTISE: localhost:10004
       REGION: region:central
-    networks:
-    - nats-cluster1
-    - shared
     volumes:
-    - "./configs/cluster-central.conf:/nats-server.conf"
-    - "./data/n2-central:/data"
+    - "./configs/cluster-central.conf:/nats/conf/nats-server.conf"
     ports:
     - 10004:4222
     - 10104:7422
   n3.central.example.net:
     container_name: n3-central
-    image: nats
+    image: synadia/nats-server:nightly-main
     dns_search: example.net
     environment:
       GATEWAY: c1
       NAME: n3-central
       ADVERTISE: localhost:10005
       REGION: region:central
-    networks:
-    - nats-cluster1
-    - shared
     volumes:
-    - "./configs/cluster-central.conf:/nats-server.conf"
-    - "./data/n3-central:/data"
+    - "./configs/cluster-central.conf:/nats/conf/nats-server.conf"
     ports:
     - 10005:4222
     - 10105:7422
   n1.west.example.net:
     container_name: n1-west
-    image: nats
+    image: synadia/nats-server:nightly-main
     dns_search: example.net
     environment:
       GATEWAY: c1
       NAME: n1-west
       ADVERTISE: localhost:10006
       REGION: region:west
-    networks:
-    - nats-cluster1
-    - shared
     volumes:
-    - "./configs/cluster-west.conf:/nats-server.conf"
-    - "./data/n1-west:/data"
+    - "./configs/cluster-west.conf:/nats/conf/nats-server.conf"
     ports:
     - 10006:4222
     - 10106:7422
   n2.west.example.net:
     container_name: n2-west
-    image: nats
+    image: synadia/nats-server:nightly-main
     dns_search: example.net
     environment:
       GATEWAY: c1
       NAME: n2-west
       ADVERTISE: localhost:10007
       REGION: region:west
-    networks:
-    - nats-cluster1
-    - shared
     volumes:
-    - "./configs/cluster-west.conf:/nats-server.conf"
-    - "./data/n2-west:/data"
+    - "./configs/cluster-west.conf:/nats/conf/nats-server.conf"
     ports:
     - 10007:4222
     - 10107:7422
   n3.west.example.net:
     container_name: n3-west
-    image: nats
+    image: synadia/nats-server:nightly-main
     dns_search: example.net
     environment:
       GATEWAY: c1
       NAME: n3-west
       ADVERTISE: localhost:10008
       REGION: region:west
-    networks:
-    - nats-cluster1
-    - shared
     volumes:
-    - "./configs/cluster-west.conf:/nats-server.conf"
-    - "./data/n3-west:/data"
+    - "./configs/cluster-west.conf:/nats/conf/nats-server.conf"
     ports:
     - 10008:4222
     - 10108:7422
@@ -177,9 +141,3 @@ services:
       - n1.central.example.net
       - n2.central.example.net
       - n3.central.example.net
-    networks:
-      - shared
-
-networks:
-  shared: {}
-  nats-cluster1: {}

examples/topologies/multi-region/cli/contexts/central-user.json

@@ -4,6 +4,12 @@ set -euo pipefail
 
 sleep 3
 
+# Save a few contexts.
+nats context save east-sys \
+  --server nats://n1.east.example.net:4222 \
+  --user system \
+  --password secret
+
 nats context save east \
   --server nats://n1.east.example.net:4222 \
   --user one \
@@ -19,10 +25,17 @@ nats context save central \
   --user one \
   --password secret
 
+# Report the servers.
+nats --context east-sys server list
+
+nats --context east stream add ORDERS_EAST --tag region:east --replicas 3 --subjects js.in.orders_east --defaults
+nats --context west stream add ORDERS_WEST --tag region:west --replicas 3 --subjects js.in.orders_west --defaults
+nats --context central stream add ORDERS_CENTRAL --tag region:central --replicas 3 --subjects js.in.orders_central --defaults
+
 # Creating a region-local stream requires setting a tag for the desired region.
-nats --context east stream add --config /app/ORDERS_EAST.json
-nats --context west stream add --config /app/ORDERS_WEST.json
-nats --context central stream add --config /app/ORDERS_CENTRAL.json
+nats --context east stream edit ORDERS_EAST --force --config /app/ORDERS_EAST.json
+nats --context west stream edit ORDERS_WEST --force --config /app/ORDERS_WEST.json
+nats --context central stream edit ORDERS_CENTRAL --force --config /app/ORDERS_CENTRAL.json
 
 # Creating a global stream involves ommitting the --tag option.
 nats --context east stream add --config /app/GLOBAL.json
@@ -32,8 +45,8 @@ nats --context east stream report
 
 # Publish a message from a client in each region.
 nats --context east req js.in.orders 1
-nats --context west req js.in.orders 1
 nats --context central req js.in.orders 1
+nats --context west req js.in.orders 1
 
 # Publish a message to the global stream.
 nats --context east req js.in.global.orders 1
@@ -42,3 +55,7 @@ sleep 1
 
 # Let's see the stream report again.
 nats --context east stream report
+
+nats --context east stream view ORDERS_EAST
+nats --context central stream view ORDERS_CENTRAL
+nats --context west stream view ORDERS_WEST