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监控云服务器

创建时间：2023-10-04 最近修改时间：2024-06-27

#1. 简介

DeepFlow 支持监控云服务器，并通过调用云厂商 API 获取云资源信息，自动注入到所有观测数据中（AutoTagging）。 注意 DeepFlow Server 必须运行在 K8s 之上，如果你没有 K8s 集群，可参考 All-in-One 快速部署章节先部署 DeepFlow Server。

#2. 部署拓扑

#3. 创建公有云 Domain

DeepFlow 目前支持如下公有云的资源信息同步（标记为 TBD 的正在整理代码中）：

云服务商（英文） 云服务商（中文） DeepFlow 中使用的类型标识
AWS AWS aws
Aliyun 阿里云 aliyun
Baidu Cloud 百度云 baidu_bce
Huawei Cloud 华为云 huawei
Microsoft Azure 微软云 TBD
QingCloud 青云 qingcloud
Tencent Cloud 腾讯云 tencent

可通过 deepflow-ctl domain example <domain_type> 命令获取创建公有云 Domain 的配置文件模板。 以阿里云为例：

deepflow-ctl domain example aliyun > aliyun.yaml
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修改配置文件 aliyun.yaml，填写 AK/SK（需要云资源的只读权限）和资源所在的 Region 信息：

name: aliyun
type: aliyun
config:
  # AccessKey Id
  secret_id: xxxxxxxx ## FIXME: your secret_id
  # AccessKey Secret
  secret_key: xxxxxxx ## FIXME: your secret_key
  include_regions: 华北2（北京） ## The region where deepflow is docked, if it is empty, it means all regions, and the regions are separated by commas
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使用修改好的配置文件创建公有云 Domain：

deepflow-ctl domain create -f aliyun.yaml
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#4. 部署 DeepFlow Agent

下载 deepflow-agent

curl -O https://deepflow-ce.oss-cn-beijing.aliyuncs.com/rpm/agent/stable/linux/$(arch | sed 's|x86_64|amd64|' | sed 's|aarch64|arm64|')/deepflow-agent-rpm.zip
unzip deepflow-agent-rpm.zip
yum -y localinstall x86_64/deepflow-agent-1.0*.rpm
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curl -O https://deepflow-ce.oss-cn-beijing.aliyuncs.com/deb/agent/stable/linux/$(arch | sed 's|x86_64|amd64|' | sed 's|aarch64|arm64|')/deepflow-agent-deb.zip
unzip deepflow-agent-deb.zip
dpkg -i x86_64/deepflow-agent-1.0*.systemd.deb
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curl -O https://deepflow-ce.oss-cn-beijing.aliyuncs.com/bin/agent/stable/linux/$(arch | sed 's|x86_64|amd64|' | sed 's|aarch64|arm64|')/deepflow-agent.tar.gz
tar -zxvf deepflow-agent.tar.gz -C /usr/sbin/

cat << EOF > /etc/systemd/system/deepflow-agent.service
[Unit]
Description=deepflow-agent.service
After=syslog.target network-online.target

[Service]
Environment=GOTRACEBACK=single
LimitCORE=1G
ExecStart=/usr/sbin/deepflow-agent
Restart=always
RestartSec=10
LimitNOFILE=1024:4096

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
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touch /etc/deepflow-agent.yaml

cat << EOF > deepflow-agent-docker-compose.yaml
version: '3.2'
services:
  deepflow-agent:
    image: registry.cn-hongkong.aliyuncs.com/deepflow-ce/deepflow-agent:stable
    container_name: deepflow-agent
    restart: always
    #privileged: true  ## Docker version below 20.10.10 requires the opening of the privileged mode, See https://github.com/moby/moby/pull/42836
    cap_add:
      - SYS_ADMIN
      - SYS_RESOURCE
      - SYS_PTRACE
      - NET_ADMIN
      - NET_RAW
      - IPC_LOCK
      - SYSLOG
    volumes:
      - /etc/deepflow-agent.yaml:/etc/deepflow-agent/deepflow-agent.yaml:ro
      - /sys/kernel/debug:/sys/kernel/debug:ro
      - /var/run/docker.sock:/var/run/docker.sock
    network_mode: "host"
    pid: "host"
EOF

docker compose -f deepflow-agent-docker-compose.yaml up -d
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修改 deepflow-agent 的配置文件 /etc/deepflow-agent.yaml ：

controller-ips:
  - 10.1.2.3 # FIXME: K8s Node IPs
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启动 deepflow-agent ：

systemctl enable deepflow-agent
systemctl restart deepflow-agent
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注意：

若 deepflow-agent 因缺少依赖库无法正常启动可下载静态链接编译的 deepflow-agent， 注意静态链接编译的 deepflow-agent 在多线程下有严重的性能问题：

curl -O https://deepflow-ce.oss-cn-beijing.aliyuncs.com/rpm/agent/stable/linux/static-link/$(arch | sed 's|x86_64|amd64|' | sed 's|aarch64|arm64|')/deepflow-agent-rpm.zip
unzip deepflow-agent-rpm.zip
yum -y localinstall x86_64/deepflow-agent-1.0*.rpm
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curl -O https://deepflow-ce.oss-cn-beijing.aliyuncs.com/deb/agent/stable/linux/static-link/$(arch | sed 's|x86_64|amd64|' | sed 's|aarch64|arm64|')/deepflow-agent-deb.zip
unzip deepflow-agent-deb.zip
dpkg -i x86_64/deepflow-agent-1.0*.systemd.deb
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curl -O https://deepflow-ce.oss-cn-beijing.aliyuncs.com/bin/agent/stable/linux/static-link/$(arch | sed 's|x86_64|amd64|' | sed 's|aarch64|arm64|')/deepflow-agent.tar.gz
tar -zxvf deepflow-agent.tar.gz -C /usr/sbin/

cat << EOF > /etc/systemd/system/deepflow-agent.service
[Unit]
Description=deepflow-agent.service
After=syslog.target network-online.target

[Service]
Environment=GOTRACEBACK=single
LimitCORE=1G
ExecStart=/usr/sbin/deepflow-agent
Restart=always
RestartSec=10
LimitNOFILE=1024:4096

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
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#5. 下一步