SpringCloud XIII virtual machine build a service consumer cluster.

VM build a service consumer cluster.

① draw SpringCloud XI virtual machine build eureka cluster, install jdk1.8 in Linux, bash: /usr/java/jdk1.8.0_11/bin/java: CAN not the Execute BiNa . Set up a virtual machine, installed jdk1.8.

② draw electricity supplier sixty-one, Nginx installation and startup . Nginx consumer01,02,03 are mounted on the machine node. Later discovered, do not install nginx.

③ draw electricity supplier sixty-two, Nginx load balancing availability, keepalived + nginx Nginx achieve cluster, and two main distributor equipment distributor (may be more than one backup distributor) . Keepalived consumer01,02,03 are mounted on the machine node. Linux create a file with touch, create a folder with mkdir.

④consumer subproject pom files need to add the following:

<!-- https://mvnrepository.com/artifact/com.amazonaws/aws-java-sdk-core -->
		<dependency>
			<groupId>com.amazonaws</groupId>
			<artifactId>aws-java-sdk-core</artifactId>
			<version>1.11.125</version>
		</dependency>

		<dependency>
			<groupId>com.amazonaws</groupId>
			<artifactId>aws-java-sdk-autoscaling</artifactId>
			<version>1.11.125</version>
		</dependency>
		<!-- https://mvnrepository.com/artifact/com.amazonaws/aws-java-sdk-bom -->
		<dependency>
			<groupId>com.amazonaws</groupId>
			<artifactId>aws-java-sdk-bom</artifactId>
			<version>1.11.125</version>
			<type>pom</type>
		</dependency>

		<dependency>
			<groupId>com.amazonaws</groupId>
			<artifactId>aws-java-sdk-ec2</artifactId>
			<version>1.11.125</version>
		</dependency>
		<!-- <dependency> <groupId>com.amazonaws</groupId> <artifactId>aws-java-sdk-pom</artifactId> 
			<version>1.11.125</version> </dependency> -->
		<dependency>
			<groupId>com.amazonaws</groupId>
			<artifactId>aws-java-sdk-sts</artifactId>
			<version>1.11.125</version>
		</dependency>

		<!-- https://mvnrepository.com/artifact/org.jdom/jdom2 -->
		<dependency>
			<groupId>org.jdom</groupId>
			<artifactId>jdom2</artifactId>
			<version>2.0.6</version>
		</dependency>









		<dependency>
			<groupId>org.apache.maven.shared</groupId>
			<artifactId>maven-dependency-tree</artifactId>
			<version>3.0.1</version>
		</dependency>
		<dependency>
			<groupId>org.vafer</groupId>
			<artifactId>jdependency</artifactId>
			<version>2.1.1</version>
		</dependency>
		<dependency>
			<groupId>org.ow2.asm</groupId>
			<artifactId>asm</artifactId>
			<version>7.0-beta</version>
		</dependency>
		<dependency>
			<groupId>org.ow2.asm</groupId>
			<artifactId>asm-analysis</artifactId>
			<version>7.0-beta</version>
		</dependency>
		<dependency>
			<groupId>org.ow2.asm</groupId>
			<artifactId>asm-tree</artifactId>
			<version>7.0-beta</version>
		</dependency>
		<dependency>
			<groupId>org.ow2.asm</groupId>
			<artifactId>asm-commons</artifactId>
			<version>7.0-beta</version>
		</dependency>
		<dependency>
			<groupId>org.ow2.asm</groupId>
			<artifactId>asm-util</artifactId>
			<version>7.0-beta</version>
		</dependency>







		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-loader-tools</artifactId>
			<version>2.2.4.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-core</artifactId>
			<version>4.3.13.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.apache.maven.shared</groupId>
			<artifactId>maven-shared-utils</artifactId>
			<version>3.2.1</version>
		</dependency>
		<dependency>
			<groupId>org.apache.commons</groupId>
			<artifactId>commons-lang3</artifactId>
			<version>3.9</version>
		</dependency>
		<dependency>
			<groupId>org.apache.maven</groupId>
			<artifactId>maven-core</artifactId>
			<version>3.3.9</version>
		</dependency>
		<dependency>
			<groupId>org.apache.maven</groupId>
			<artifactId>maven-repository-metadata</artifactId>
			<version>3.3.9</version>
		</dependency>
		<dependency>
			<groupId>org.eclipse.aether</groupId>
			<artifactId>aether-util</artifactId>
			<version>1.0.2.v20150114</version>
		</dependency>
		<dependency>
			<groupId>com.google.inject</groupId>
			<artifactId>guice</artifactId>
			<version>4.0</version>
		</dependency>
		<dependency>
			<groupId>org.codehaus.plexus</groupId>
			<artifactId>plexus-archiver</artifactId>
			<version>3.7.0</version>
		</dependency>
		<dependency>
			<groupId>org.ow2.asm</groupId>
			<artifactId>asm-commons</artifactId>
			<version>7.0</version>
		</dependency>
		<dependency>
			<groupId>com.google.guava</groupId>
			<artifactId>guava</artifactId>
			<version>19.0</version>
		</dependency>


	</dependencies>
	<!-- <build> <plugins> <plugin> <artifactId>maven-compiler-plugin</artifactId> 
		<version>3.1</version> <configuration> <source>1.8</source> <target>1.8</target> 
		</configuration> </plugin> <plugin> <artifactId> maven-assembly-plugin </artifactId> 
		<configuration> <descriptorRefs> <descriptorRef>jar-with-dependencies</descriptorRef> 
		</descriptorRefs> <archive> <manifest> <mainClass>com.lss.springcloud.EurekaServer7001_App</mainClass> 
		</manifest> </archive> </configuration> <executions> <execution> <id>make-assembly</id> 
		<phase>package</phase> <goals> <goal>single</goal> </goals> </execution> 
		</executions> </plugin> </plugins> </build> -->

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
				<executions>
					<execution>
						<goals>
							<goal>repackage</goal>
						</goals>
					</execution>
				</executions>
			</plugin>
		</plugins>
	</build>

Then maven clean, install.

⑤ do not install nginx. Keepalived.conf configuration file directly. The first node configuration service consumers.

cd / etc / keepalived /
vi keepalived.conf
keepalived.cnf content is:

global_defs {
   router_id  MySQL-HA
} 
 
vrrp_script check_run {
script "/etc/keepalived/microservicejar.sh"
interval   2
}
 
vrrp_sync_group VG1 {
group {
VI_1
}
}
 
vrrp_instance VI_1 {
    state  BACKUP
    interface eth1 
    virtual_router_id 51
   # nopreempt
    priority 100 
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1234
    }
    track_script {
    check_run
    }
 
 
    unicast_src_ip 192.168.10.115
    unicast_peer {
        192.168.10.116
        192.168.10.117
    }
 
 
 
    virtual_ipaddress {
       192.168.100.188
    }
}

cd /etc/keepalived

touch microservicejar.sh

we /etc/keepalived/microservicejar.sh

microservicejar.sh contents are:

#!/bin/sh
ps -fe | grep microservicecloud.jar | grep -v grep
if [ $? -ne 0 ]
then
service keepalived stop
fi

If it is found not bind the virtual IP, you might have forgotten to perform the following steps:

chmod +x /etc/keepalived/microservicejar.sh

To give permission to the script.

ip a

You can see be bound.

⑥ configure the second node serving consumers.

vim /etc/keepalived/keepalived.conf

keepalived.conf 的内容是：

global_defs {
   router_id  MySQL-HA
} 
 
vrrp_script check_run {
script "/etc/keepalived/microservicejar.sh"
interval   2
}

 
vrrp_sync_group VG1 {
group {
VI_1
}
}
 
vrrp_instance VI_1 {
    state  BACKUP
    interface eth1 
    virtual_router_id 51
   # nopreempt
    priority 99
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1234
    }
    track_script {
    check_run
    }

 
 
    unicast_src_ip 192.168.10.116
    unicast_peer {
        192.168.10.115
        192.168.10.117
    }
 
 
 
    virtual_ipaddress {
       192.168.100.188
    }
}

vim /etc/keepalived/microservicejar.sh
microservicejar.sh 的内容是：

#!/bin/sh
ps -fe | grep microservicecloud.jar | grep -v grep
if [ $? -ne 0 ]
then
service keepalived stop
fi

如果发现不能绑定虚拟IP，则可能是忘记执行以下步骤：

chmod +x /etc/keepalived/microservicejar.sh

给脚本赋予权限。

⑦配置第三台服务消费者节点。

vim /etc/keepalived/keepalived.conf

keepalived.conf 的内容是：

global_defs {
   router_id  MySQL-HA
} 
 
vrrp_script check_run {
script "/etc/keepalived/microservicejar.sh"
interval   2
}

 
vrrp_sync_group VG1 {
group {
VI_1
}
}
 
vrrp_instance VI_1 {
    state  BACKUP
    interface eth2 
    virtual_router_id 51
   # nopreempt
    priority 98
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1234
    }
    track_script {
    check_run
    }

 
 
    unicast_src_ip 192.168.10.117
    unicast_peer {
        192.168.10.115
        192.168.10.116
    } 
 
 
    virtual_ipaddress {
       192.168.100.188
    }
}

vi /etc/keepalived/microservicejar.sh

microservicejar.sh 的内容是：

#!/bin/sh
ps -fe | grep microservicecloud.jar | grep -v grep
if [ $? -ne 0 ]
then
service keepalived stop
fi

如果发现不能绑定虚拟IP，则可能是忘记执行以下步骤：

chmod +x /etc/keepalived/microservicejar.sh

给脚本赋予权限。

至此可以达到ribbon的负载均衡高可用。

详见附件

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