I'm trying to connect dapr with nats with jetstream functionality enabled.
I want to start everything with docker-compose. Nats service is started and when I run nats-cli with command nats -s "nats://localhost:4222" server check jetstream
, I get OK JetStream | memory=0B memory_pct=0%;75;90 storage=0B storage_pct=0%;75;90 streams=0 streams_pct=0% consumers=0 consumers_pct=0%
indicating nats with jetstream is working ok.
Unfortunately, dapr returns first warning then error
warning: error creating pub sub %!s(*string=0xc0000ca020) (pubsub.jetstream/v1): couldn't find message bus pubsub.jetstream/v1" app_id=conversation-api1 instance=50b51af8e9a8 scope=dapr.runtime type=log ver=1.3.0
error: process component conversation-pubsub error: couldn't find message bus pubsub.jetstream/v1" app_id=conversation-api1 instance=50b51af8e9a8 scope=dapr.runtime type=log ver=1.3.0
I followed instructions on official site.
docker-compose.yaml
version: '3.4'
services:
conversation-api1:
image: ${DOCKER_REGISTRY-}conversationapi1
build:
context: .
dockerfile: Conversation.Api1/Dockerfile
ports:
- "5010:80"
conversation-api1-dapr:
container_name: conversation-api1-dapr
image: "daprio/daprd:latest"
command: [ "./daprd", "--log-level", "debug", "-app-id", "conversation-api1", "-app-port", "80", "--components-path", "/components", "-config", "/configuration/conversation-config.yaml" ]
volumes:
- "./dapr/components/:/components"
- "./dapr/configuration/:/configuration"
depends_on:
- conversation-api1
- redis
- nats
network_mode: "service:conversation-api1"
nats:
container_name: "Nats"
image: nats
command: [ "-js", "-m", "8222" ]
ports:
- "4222:4222"
- "8222:8222"
- "6222:6222"
# OTHER SERVICES...
conversation-pubsub.yaml
apiVersion: dapr.io/v1alpha1
kind: Component
metadata:
name: conversation-pubsub
namespace: default
spec:
type: pubsub.jetstream
version: v1
metadata:
- name: natsURL
value: "nats://host.docker.internal:4222" # already tried with nats for host
- name: name
value: "conversation"
- name: durableName
value: "conversation-durable"
- name: queueGroupName
value: "conversation-group"
- name: startSequence
value: 1
- name: startTime # in Unix format
value: 1630349391
- name: deliverAll
value: false
- name: flowControl
value: false
conversation-config.yaml
apiVersion: dapr.io/v1alpha1
kind: Configuration
metadata:
name: config
namespace: default
spec:
tracing:
samplingRate: "1"
zipkin:
endpointAddress: "http://zipkin:9411/api/v2/spans"
The problem was in old Dapr version. I used version 1.3.0
, Jetstream support is introduced in 1.4.0+
. Pulling latest version of daprio/daprd
fixed my problem. Also no need for nats://host.docker.internal:4222
, nats://nats:4222
works as expected.