安装rabbitmq以及延迟队列插件

## primary RabbitMQ signing key
rpm --import 'https://github.com/rabbitmq/signing-keys/releases/download/3.0/rabbitmq-release-signing-key.asc'
## modern Erlang repository
rpm --import 'https://github.com/rabbitmq/signing-keys/releases/download/3.0/cloudsmith.rabbitmq-erlang.E495BB49CC4BBE5B.key'
## RabbitMQ server repository
rpm --import 'https://github.com/rabbitmq/signing-keys/releases/download/3.0/cloudsmith.rabbitmq-server.9F4587F226208342.key'
sudo tee /etc/yum.repos.d/erlang.repo >/dev/null <<'EOF'
# In /etc/yum.repos.d/rabbitmq.repo

##
## Zero dependency Erlang RPM
##

[modern-erlang]
name=modern-erlang-el9
# Use a set of mirrors maintained by the RabbitMQ core team.
# The mirrors have significantly higher bandwidth quotas.
baseurl=https://yum1.rabbitmq.com/erlang/el/9/$basearch
        https://yum2.rabbitmq.com/erlang/el/9/$basearch
repo_gpgcheck=1
enabled=1
gpgkey=https://github.com/rabbitmq/signing-keys/releases/download/3.0/cloudsmith.rabbitmq-erlang.E495BB49CC4BBE5B.key
gpgcheck=1
sslverify=1
sslcacert=/etc/pki/tls/certs/ca-bundle.crt
metadata_expire=300
pkg_gpgcheck=1
autorefresh=1
type=rpm-md

[modern-erlang-noarch]
name=modern-erlang-el9-noarch
# Use a set of mirrors maintained by the RabbitMQ core team.
# The mirrors have significantly higher bandwidth quotas.
baseurl=https://yum1.rabbitmq.com/erlang/el/9/noarch
        https://yum2.rabbitmq.com/erlang/el/9/noarch
repo_gpgcheck=1
enabled=1
gpgkey=https://github.com/rabbitmq/signing-keys/releases/download/3.0/cloudsmith.rabbitmq-erlang.E495BB49CC4BBE5B.key
       https://github.com/rabbitmq/signing-keys/releases/download/3.0/rabbitmq-release-signing-key.asc
gpgcheck=1
sslverify=1
sslcacert=/etc/pki/tls/certs/ca-bundle.crt
metadata_expire=300
pkg_gpgcheck=1
autorefresh=1
type=rpm-md


##
## RabbitMQ Server
##

[rabbitmq-el9]
name=rabbitmq-el9
baseurl=https://yum2.rabbitmq.com/rabbitmq/el/9/$basearch
        https://yum1.rabbitmq.com/rabbitmq/el/9/$basearch
repo_gpgcheck=1
enabled=1
# Cloudsmith's repository key and RabbitMQ package signing key
gpgkey=https://github.com/rabbitmq/signing-keys/releases/download/3.0/cloudsmith.rabbitmq-server.9F4587F226208342.key
       https://github.com/rabbitmq/signing-keys/releases/download/3.0/rabbitmq-release-signing-key.asc
gpgcheck=1
sslverify=1
sslcacert=/etc/pki/tls/certs/ca-bundle.crt
metadata_expire=300
pkg_gpgcheck=1
autorefresh=1
type=rpm-md

[rabbitmq-el9-noarch]
name=rabbitmq-el9-noarch
baseurl=https://yum2.rabbitmq.com/rabbitmq/el/9/noarch
        https://yum1.rabbitmq.com/rabbitmq/el/9/noarch
repo_gpgcheck=1
enabled=1
# Cloudsmith's repository key and RabbitMQ package signing key
gpgkey=https://github.com/rabbitmq/signing-keys/releases/download/3.0/cloudsmith.rabbitmq-server.9F4587F226208342.key
       https://github.com/rabbitmq/signing-keys/releases/download/3.0/rabbitmq-release-signing-key.asc
gpgcheck=1
sslverify=1
sslcacert=/etc/pki/tls/certs/ca-bundle.crt
metadata_expire=300
pkg_gpgcheck=1
autorefresh=1
type=rpm-md
EOF

install -y erlang 


cd /usr/local
sudo wget https://github.com/rabbitmq/rabbitmq-server/releases/download/v4.2.5/rabbitmq-server-generic-unix-4.2.5.tar.xz
sudo tar xf rabbitmq-server-generic-unix-4.2.5.tar.xz
sudo ln -s rabbitmq_server-4.2.5 rabbitmq

echo 'export RABBITMQ_HOME=/usr/local/rabbitmq' | sudo tee /etc/profile.d/rabbitmq.sh
echo 'export PATH=$RABBITMQ_HOME/sbin:$PATH' | sudo tee -a /etc/profile.d/rabbitmq.sh
source /etc/profile

sudo tee /etc/systemd/system/rabbitmq.service >/dev/null <<'EOF'
[Unit]
Description=RabbitMQ Message Broker
After=network.target

[Service]
User=root
WorkingDirectory=/usr/local/rabbitmq
ExecStart=/usr/local/rabbitmq/sbin/rabbitmq-server
ExecStop=/usr/local/rabbitmq/sbin/rabbitmqctl stop
Restart=on-failure
Type=simple

[Install]
WantedBy=multi-user.target
EOF

# 3. 重新加载 systemd 配置
systemctl daemon-reload

# 4. 启动 RabbitMQ
systemctl start rabbitmq

# 5. 查看状态（现在应该正常 running 了）
systemctl status rabbitmq

# 进入插件目录（你现在就在这里）
cd /usr/local/rabbitmq/plugins

# 下载 4.2 版本插件（必须和 RabbitMQ 4.2 匹配）
wget https://github.com/rabbitmq/rabbitmq-delayed-message-exchange/releases/download/v4.2.0/rabbitmq_delayed_message_exchange-4.2.0.ez

# 启用插件
rabbitmq-plugins enable rabbitmq_delayed_message_exchange
sudo rabbitmq-plugins enable rabbitmq_delayed_message_exchange

# 重启生效
systemctl restart rabbitmq

# 看服务状态
systemctl status rabbitmq

# 看插件是否启用
rabbitmq-plugins list | grep delayed

#允许其他ip访问
rabbitmqctl add_user admin 123456
rabbitmqctl set_user_tags admin administrator
rabbitmqctl set_permissions -p / admin ".*" ".*" ".*"

4. Web 验证
访问 15672 → Exchanges → Add exchange → Type 下拉有 x-delayed-message → 插件正常