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Update Consul部署说明.md

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      docs/Consul部署说明.md

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docs/Consul部署说明.md

@ -1,33 +1,43 @@
#### 安装
##### 注意:暂时不兼容consul-1.15.x的版本,已安装1.15.x版本的请先卸载后(删除数据)安装以下版本。
> 以下为CentOS7安装说明,其它系统安装部分请参考官网:
> https://developer.hashicorp.com/consul/downloads
```bash
# 使用yum部署consul
yum install -y yum-utils
yum-config-manager --add-repo https://rpm.releases.hashicorp.com/RHEL/hashicorp.repo
yum -y install consul-1.14.5-1
yum -y install consul
# 如果yum下载失败,可以直接下载RPM包安装
wget https://rpm.releases.hashicorp.com/RHEL/7/x86_64/stable/consul-1.14.5-1.x86_64.rpm
rpm -ivh ./consul-1.14.5-1.x86_64.rpm
wget https://rpm.releases.hashicorp.com/RHEL/7/x86_64/stable/consul-1.16.0-1.x86_64.rpm
rpm -ivh ./consul-1.16.0-1.x86_64.rpm
```
#### 配置
> 执行以下命令获取UUID,填写到下面配置末尾部分,作为最高权限的token
```bash
uuidgen
```
> 编辑配置文件`/etc/consul.d/consul.hcl`
```bash
vi /etc/consul.d/consul.hcl
log_level = "ERROR" #日志级别,日志太多可以只打印error日志,不需要可以去掉这行。
advertise_addr = "192.168.x.x" #填写你的网卡IP,如果启动或运行有报错,可以尝试去掉这行。
data_dir = "/opt/consul"
log_level = "warn"
# 服务器有多个IP启动会报错请增加这行配置:填写服务器IP,如果启动或运行有报错,可以尝试去掉这行
advertise_addr = "192.168.x.x"
client_addr = "0.0.0.0"
ui_config{
enabled = true
}
server = true
bootstrap = true
bootstrap_expect=1
acl = {
enabled = true
default_policy = "deny"
enable_token_persistence = true
tokens = {
initial_management = "生成的UUID"
agent = "生成的UUID,和上面保持一致"
}
}
```
@ -40,24 +50,6 @@ systemctl enable consul.service
systemctl start consul.service
```
### 安装后首次获取登录Token(记录SecretID,即为Consul登录的Token)
```bash
consul acl bootstrap|grep SecretID
```
### 忘记global-management Token,重新生成
```
# 记录最后的reset index: xx
consul acl bootstrap
# 进入consul数据目录执行
echo 13 > acl-bootstrap-reset
# 重新创建一个global-management Token
consul acl bootstrap
```
### consul kv 备份还原
```
consul kv export --http-addr=http://127.0.0.1:8500 -token=xxxxxxxx '' > consul_kv_bak.json

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