我想使用Consul作爲發現服務,另外兩個春季啓動應用程序向Consul註冊;並把它們放入碼頭;春季啓動應用程序無法鏈接在碼頭的領事
下面是我的代碼: 應用程式:
server:
port: 3333
spring:
application:
name: adder
cloud:
consul:
host: consul
port: 8500
discovery:
preferIpAddress: true
healthCheckPath: /health
healthCheckInterval: 15s
instanceId: ${spring.application.name}:${spring.application.instance_id:${server.port}}
2搬運工-compose.yml
consul1:
image: "progrium/consul:latest"
container_name: "consul1"
hostname: "consul1"
command: "-server -bootstrap -ui-dir /ui"
adder:
image: wsy/adder
ports:
- "3333:3333"
links:
- consul1
environment:
WAIT_FOR_HOSTS: consul1:8500
還有另外一個類似的問題Cannot link Consul and Spring Boot app in Docker; 答案建議,應用程序應該等待領事完全工作,通過使用depends_on,我試過了,但沒有工作;
錯誤消息是如下:
adder_1 | com.ecwid.consul.transport.TransportException: java.net.ConnectException: Connection refused
adder_1 | at com.ecwid.consul.transport.AbstractHttpTransport.executeRequest(AbstractHttpTransport.java:80) ~[consul-api-1.1.8.jar!/:na]
adder_1 | at com.ecwid.consul.transport.AbstractHttpTransport.makeGetRequest(AbstractHttpTransport.java:39) ~[consul-api-1.1.8.jar!/:na]
除了春季啓動application.yml和泊塢窗,compose.yml,以下是應用程序的Dockerfile
FROM java:8
VOLUME /tmp
ADD adder-0.0.1-SNAPSHOT.jar app.jar
RUN bash -c 'touch /app.jar'
ADD start.sh start.sh
RUN bash -c 'chmod +x /start.sh'
EXPOSE 3333
ENTRYPOINT ["/start.sh", " java -Djava.security.egd=file:/dev/./urandom -jar /app.jar"]
和start.sh
#!/bin/bash
set -e
wait_single_host() {
local host=$1
shift
local port=$1
shift
echo "waiting for TCP connection to $host:$port..."
while ! nc ${host} ${port} > /dev/null 2>&1 < /dev/null
do
echo "TCP connection [$host] not ready, will try again..."
sleep 1
done
echo "TCP connection ready. Executing command [$host] now..."
}
wait_all_hosts() {
if [ ! -z "$WAIT_FOR_HOSTS" ]; then
local separator=':'
for _HOST in $WAIT_FOR_HOSTS ; do
IFS="${separator}" read -ra _HOST_PARTS <<< "$_HOST"
wait_single_host "${_HOST_PARTS[0]}" "${_HOST_PARTS[1]}"
done
else
echo "IMPORTANT : Waiting for nothing because no $WAIT_FOR_HOSTS env var defined !!!"
fi
}
wait_all_hosts
exec $1
你是完全正確的。在將application.yml重命名爲bootstrap.yml後,它只是按預期工作;非常感謝 – user1484819