【API进阶之路】因为不会创建云服务器,我被实习生摆了一道

摘要:9个步骤通过API创建云服务器。

事情是这样的,公司成立了一个新项目,要给项目建官网,并搭建一个web服务器。按照我的习惯,搭建一个本地虚拟机就好了,部署简单方便还好配置,云服务器嘛,写了10年代码,还是不习惯那玩意儿。

我这刚开始动手,就看见实习生屁颠屁颠地跑过来,我心想这小子肯定是想来学虚拟机搭建部署的,这么简单的事都不会,真是白瞎了他那985的学校了。

可是...万万没想到啊,小实习生跑到我老大那里邀功去了!!!远远地听见他说:“公司新项目跑在云服务器上了,以后可以根据访问量随时进行弹性扩展,安全稳定还快。”

啥?云服务器?这小子居然会配置云服务器?听完汇报,老大看向了我,带着小实习生往我这边走过来……

“哼,叫你邀功,撞枪口上了吧,我就说云服务器配置没那么容易,还不是得来找我~”这么想着有点得意,老大走过来拍拍我的肩膀,说:“你跟他学一下怎么配置云服务器,别再用虚拟机了,以后都是麻烦事。”

我...他...让我跟一个实习生学???

实习生冲我微微一笑,就走了,没过一会扔给我一份文档,上面写着:“创建弹性云服务器流程详解”。打开粗略扫了一眼,代码都直接贴上来了?瞧不起谁?感觉有被冒犯到。

技术人嘛,看到代码还是没忍住跑一遍,等我发现bug或跑不通,再给他上上课!

首先免费领取了1台云服务器,然后开始跑代码

结果……真香。

内容是这样的:

通过API创建云服务器的9个步骤(以指定镜像方式创建云服务器为例)

步骤一:确定待创建云服务器所在的可用区。

1、查询可用区。

(1)接口相关信息

URI格式:GET /v2.1/{project_id}/os-availability-zone

(2)请求示例

GET: https://{endpoint}/v2.1/74610f3a5ad941998e91f076297ecf27/os-availability-zone

(3)响应示例

 {
  "availabilityZoneInfo": [
    {
      "hosts": null,
      "zoneState": {
        "available": true
      },
      "zoneName":"zone_01" 
    },
    {
      "hosts": null,
      "zoneState": {
        "available": true
      },
      "zoneName": "zone_01" 
    }
  ]
}

2、根据实际需要选择可用区,并记录可用区的zoneName。

步骤二:确定待创建云服务器的规格。

1、查询云服务器规格信息。

(1)接口相关信息

URI格式:GET/v2.1/{project_id}/flavors/detail{?minDisk,minRam,is_public,sort_key,sort_dir}

其中,“?”后的字段为查询规格时可选的查询检索参数。

(2)请求示例

GET: https://{endpoint}/v2.1/74610f3a5ad941998e91f076297ecf27/flavors/detail

(3)响应示例

{
  "flavors": [
    {
      "name": "c1.2xlarge",
      "links": [
        {
          "href": "https://xxx/v2.1/74610f3a5ad941998e91f076297ecf27/flavors/c1.2xlarge",
          "rel": "self"
        },
        {
          "href": "https://xxx/74610f3a5ad941998e91f076297ecf27/flavors/c1.2xlarge",
          "rel": "bookmark"
        }
      ],
      "ram": 8192,
      "OS-FLV-DISABLED:disabled": false,
      "vcpus": 8,
      "swap": "",
      "os-flavor-access:is_public": true,
      "rxtx_factor": 1,
      "OS-FLV-EXT-DATA:ephemeral": 0,
      "disk": 0,
      "id": "c1.2xlarge"
    }
]
}

2、 根据实际需要选择规格,并记录规格的ID。

步骤三:确定待创建云服务器使用的镜像。

1、查询镜像。

(1)接口相关信息

URI格式:GET /v2.1/{project_id}/images/detail

(2)请求示例

GET: https://{endpoint}/v2.1/74610f3a5ad941998e91f076297ecf27/images/detail

(3)响应示例

{
  "images": [
    {
      "OS-EXT-IMG-SIZE:size": 0,
      "metadata": {
        "__os_type": "Linux",
        "hw_vif_multiqueue_enabled": "true",
        "__imagetype": "gold",
        "__quick_start": "true",
        "virtual_env_type": "FusionCompute",
        "__support_xen": "true",
        "__support_kvm": "true",
        "__image_source_type": "uds",
        "__platform": "EulerOS",
        "__os_version": "EulerOS 2.2 64bit",
        "__os_bit": "64",
        "__isregistered": "false"
      },
      "created": "2018-05-14T06:13:50Z",
      "minRam": 0,
      "name": "DBS-MySQL-Image_2.1.3.3",
      "progress": 100,
      "links": [
        {
          "rel": "self",
          "href": "https://None/v2.1/74610f3a5ad941998e91f076297ecf27/images/11e8f727-d439-4ed1-b3b8-33f46c0379c4"
        },
        {
          "rel": "bookmark",
          "href": "https://None/74610f3a5ad941998e91f076297ecf27/images/11e8f727-d439-4ed1-b3b8-33f46c0379c4"
        },
        {
          "rel": "alternate",
          "href": "https://None/images/11e8f727-d439-4ed1-b3b8-33f46c0379c4",
          "type": "application/vnd.openstack.image"
        }
      ],
      "id": "11e8f727-d439-4ed1-b3b8-33f46c0379c4",
      "updated": "2018-05-14T06:13:52Z",
      "minDisk": 40,
      "status": "ACTIVE"
    }
  ]
}

2、根据需要选择镜像,并记录镜像ID。

步骤四:确定云服务器的网络信息。

1、查询网络。

(1)接口相关信息

URI格式:GET /v2.1/{project_id}/os-networks

(2)请求示例

GET: https://{endpoint}/v2.1/74610f3a5ad941998e91f076297ecf27/os-networks

(3)响应示例

{
  "networks": [
    {
      "id": "07a9557d-4256-48ae-847c-415a9c8f7ff6",
      "label": "b_tt3_td1b",
      "broadcast": null,
      "cidr": null,
      "dns1": null,
      "dns2": null,
      "gateway": null,
      "netmask": null,
      "cidr_v6": null,
      "gateway_v6": null,
      "netmask_v6": null
    }
  ]
}

2、根据需要选择网络,并记录网络ID。

步骤五:设置密钥对登录方式。

如需设置为密码登录方式,请直接跳转至步骤七。

1、创建密钥对。

(1)接口相关信息

URI格式:POST /v2.1/{project_id}/os-keypairs

(2)请求示例

POST: https://{endpoint}/v2.1/74610f3a5ad941998e91f076297ecf27/os-keypairs

Body:

{
    "keypair": {
        "type": "ssh",
        "name": "demo1",
        "user_id": "fake"
    }
}

(3)响应示例

{
  "keypair": {
    "public_key": "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCrR5Gcwlh5ih7JOvzIUuQxS5qzWWPMYHeDXkDKSQ9W5pumOV05SiO3WCswnaQ5xMdOl31mNiHtwlwq9dJi7X6jJBB2shTD+00G5WuwkBbFU4CLvt1B44u0NUiaTJ35NAvW2/4XvpXm9OwiQ3B5ge6ZY7Esi38Unh+pkbhPkYxNBCK8yoOlojQhWs75abdxZBi811/8RwLcNiFiocA2RGxtRjBdpEScj+1TU+OcfZdQnr0AFbO11z7yxfIygwwzVTgUuJNbMbKHStQqRbklfMlHY4RBPQgb7RN/YaXKTQSXT84k+D9xlDNo7Wj4fwOJTOz/s/PvbIOqjRHt9D6Y4IKd Generated-by-Nova\n",
    "private_key": "-----BEGIN RSA PRIVATE KEY-----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\nORFdDETeXLQG1KMUj+8AdnhfYp3JTdft6rmPpZEBUFiCAUMAvb0=\n-----END RSA PRIVATE KEY-----\n",
    "user_id": "f79791beca3c48159ac2553fff22e166",
    "name": "demo1",
    "fingerprint": "57:a7:a2:ed:5f:aa:e7:54:62:2e:bb:e7:92:22:cb:40"
  }
}

2、导入密钥。

(1)接口相关信息

URI格式:POST /v2.1/{project_id}/os-keypairs

(2)请求示例

POST: https://{endpoint}/v2.1/74610f3a5ad941998e91f076297ecf27/os-keypairs

Body:

{
    "keypair": {
        "public_key": "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDY8wMTdBYiJgi62o6eShoOlSKx3CZ3cE6PHisDblfK3Y0Bg7EHV7iV9c74pqsrIhK0xuGUuO1NxDQWbkwLTPN4F9Iy5CIYohLuMIpbln6LDtfRPpdhEh3lxL8MM61gyfpKzeKkwkEpSFj27Rgh6zCyJgBpkA2A0HTP737UlitahL4faCWDIS+Vj6mbcfkWiMhuMCzTZgSKAZ4PfoG4B5HJhR52C6A4XLiQFT9heh9gnIsIG+uTogTKUbcJKuN7M6AraJpul6eHhV9YI4433sDmuiBF/njvreVPWwAHlAkgT9I8q1T/cfEFiwzXpdGbkK5O8NC7K+qNbbdKihlahONt Generated-by-Nova\n",
        "type": "ssh",
        "name": "demo2",
        "user_id": "fake"
    }
}

(3)响应示例

{
  "keypair": {
    "public_key": "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDY8wMTdBYiJgi62o6eShoOlSKx3CZ3cE6PHisDblfK3Y0Bg7EHV7iV9c74pqsrIhK0xuGUuO1NxDQWbkwLTPN4F9Iy5CIYohLuMIpbln6LDtfRPpdhEh3lxL8MM61gyfpKzeKkwkEpSFj27Rgh6zCyJgBpkA2A0HTP737UlitahL4faCWDIS+Vj6mbcfkWiMhuMCzTZgSKAZ4PfoG4B5HJhR52C6A4XLiQFT9heh9gnIsIG+uTogTKUbcJKuN7M6AraJpul6eHhV9YI4433sDmuiBF/njvreVPWwAHlAkgT9I8q1T/cfEFiwzXpdGbkK5O8NC7K+qNbbdKihlahONt Generated-by-Nova\n",
    "user_id": "f79791beca3c48159ac2553fff22e166",
    "name": "demo2",
    "fingerprint": "dd:44:45:49:d9:f6:4f:c0:24:2d:81:aa:c4:4b:83:c2"
  }
}

2、 记录响应消息体中的name信息。如本例中为“demo2”。

步骤六:创建密钥对登录鉴权的云服务器。

(1)接口相关信息

URI格式:POST /v2.1/{project_id}/servers

说明:

本示例是指定image创建云服务器,因此:

● block_device_mapping_v2.1中,“source_type”需设置为“image”,“uuid”设置为选择的镜像ID,“destination_type”设置为“volume”,“boot_index”设置为“0”。

● “volume_size”应大于等于镜像元数据中指定的最小值。

(2)请求示例

POST: https://{endpoint}/v2.1/74610f3a5ad941998e91f076297ecf27/servers

Body:

{
    "server": {
        "flavorRef": "c1.large",
        "name": "zttestvm1",
        "block_device_mapping_v2.1": [{
            "source_type": "image",
            "destination_type": "volume",
            "volume_type": "SATA",
            "volume_size": "40",
            "delete_on_termination": "true",
            "uuid": "11e8f727-d439-4ed1-b3b8-33f46c0379c4",
            "boot_index": "0"
        }],
        "networks": [{
            "uuid": "fb68519f-a7c0-476e-98d4-2e4cf6de6def"
        }],
        "key_name": "demo2",
        "availability_zone": "az_test_01"
    }
}

(3)响应示例

{
  "server": {
    "security_groups": [
      {
        "name": "default"
      }
    ],
    "OS-DCF:diskConfig": "MANUAL",
    "links": [
      {
        "rel": "self",
        "href": "https://None/v2.1/74610f3a5ad941998e91f076297ecf27/servers/6d311127-bce1-48db-bf0f-cac9f8f7f077"
      },
      {
        "rel": "bookmark",
        "href": "https://None/74610f3a5ad941998e91f076297ecf27/servers/6d311127-bce1-48db-bf0f-cac9f8f7f077"
      }
    ],
    "id": "6d311127-bce1-48db-bf0f-cac9f8f7f077",
    "adminPass": "WcC4QoVZPXpV"
  }
}

步骤七:设置密码登录方式。

(1)使用非cloud-init镜像创建云服务器时,Windows和Linux系统都使用“adminPass”参数实现密码注入。

(2)使用cloud-init镜像创建云服务器时:

l 对于Linux系统,只能使用“user_data”进行密码注入,“user_data”字符串长度小于65535,且必须是base64加密的;

l 对于Windows系统,只能通过元数据“admin_pass”进行密码注入。

步骤八:创建密码方式登录鉴权的弹性云服务器。

说明:

本示例是指定image创建弹性云服务器,因此:

(1)block_device_mapping_v2.1中,“source_type”需设置为“image”,“uuid”设置为选择的镜像ID,“destination_type”设置为“volume”,“boot_index”设置为“0”。

(2)“volume_size”应大于等于镜像元数据中指定的最小值。

1、创建非cloud-init镜像、密码方式登录鉴权的弹性云服务器。

(1)接口相关信息

URI格式:POST /v2.1/{project_id}/servers

(2)请求示例

POST: https://{endpoint}/v2.1/74610f3a5ad941998e91f076297ecf27/servers

Body:

{
    "server": {
        "flavorRef": "c1.large",
        "name": "zttestvm1",
        "adminPass":"NOVAGLANCEI@123",
        "block_device_mapping_v2.1": [{
            "source_type": "image",
            "destination_type": "volume",
            "volume_type": "SATA",
            "volume_size": "40",
            "delete_on_termination": "true",
            "uuid": "11e8f727-d439-4ed1-b3b8-33f46c0379c4",
            "boot_index": "0"
        }],
        "networks": [{
            "uuid": "fb68519f-a7c0-476e-98d4-2e4cf6de6def"
        }],
        "availability_zone": "az_test_01"
    }
}

(3)响应示例

{
  "server": {
    "security_groups": [
      {
        "name": "default"
      }
    ],
    "OS-DCF:diskConfig": "MANUAL",
    "links": [
      {
        "rel": "self",
        "href": "https://None/v2.1/74610f3a5ad941998e91f076297ecf27/servers/73991cff-37c6-491a-9a8a-377397729fce"
      },
      {
        "rel": "bookmark",
        "href": "https://None/74610f3a5ad941998e91f076297ecf27/servers/73991cff-37c6-491a-9a8a-377397729fce"
      }
    ],
    "id": "73991cff-37c6-491a-9a8a-377397729fce",
    "adminPass": "NOVAGLANCEI@123"
  }
}

2、创建cloud-init镜像(以Linux为例)、密码方式登录鉴权的弹性云服务器。

(1)接口相关信息

URI格式:POST /v2.1/{project_id}/servers

(2)请求示例

POST: https://{endpoint}/v2.1/74610f3a5ad941998e91f076297ecf27/servers

Body:

{
    "server": {
        "flavorRef": "c1.large",
        "name": "zttestvm2", 
"user_data":"IyEvYmluL2Jhc2gKZWNobyAncm9vdDokNiRuaERlcUIkajBkelVMbkFrbWo4bWlFREFzT0VONkVPdGg1RmdqWnQybUVWZVRocC5OVDJXelZVdzFuNzhnL3dNdDE0dVpSQ1V3LzhHS3VGdEViQ0lPQS5vN1BZQzEnIHwgY2hwYXNzd2QgLWU7",
        "block_device_mapping_v2.1": [{
            "source_type": "image",
            "destination_type": "volume",
            "volume_type": "SATA",
            "volume_size": "40",
            "delete_on_termination": "true",
            "uuid": "11e8f727-d439-4ed1-b3b8-33f46c0379c4",
            "boot_index": "0"
        }],
        "networks": [{
            "uuid": "fb68519f-a7c0-476e-98d4-2e4cf6de6def"
        }],
        "availability_zone": "az_test_01"
    }
}

(3)响应示例

{
  "server": {
    "security_groups": [
      {
        "name": "default"
      }
    ],
    "OS-DCF:diskConfig": "MANUAL",
    "links": [
      {
        "rel": "self",
        "href": "https://None/v2.1/74610f3a5ad941998e91f076297ecf27/servers/7c11f362-cc96-4306-85b6-b432a639ca5e"
      },
      {
        "rel": "bookmark",
        "href": "https://None/74610f3a5ad941998e91f076297ecf27/servers/7c11f362-cc96-4306-85b6-b432a639ca5e"
      }
    ],
    "id": "7c11f362-cc96-4306-85b6-b432a639ca5e",
    "admin_pass": "J3xMSivHCuq5"
  }
}

步骤九:确认云服务器创建成功。

(1)接口相关信息

URI格式:GET /v2.1/{project_id}/servers/{server_id}

(2)请求示例

GET: https://{endpoint}/v2.1/74610f3a5ad941998e91f076297ecf27/servers/0c71c0da-8852-4c56-a1d1-3a9b9bcb6da6

其中:

0c71c0da-8852-4c56-a1d1-3a9b9bcb6da6为创建的云服务器UUID。

(3)响应示例

{
  "server": {
    "tenant_id": "74610f3a5ad941998e91f076297ecf27",
    "addresses": {
      "2a6f4aa6-d93e-45f5-a8cb-b030dbf8cd68": [
        {
          "OS-EXT-IPS-MAC:mac_addr": "fa:16:3e:88:01:1b",
          "OS-EXT-IPS:type": "fixed",
          "addr": "192.168.2.192",
          "version": 4
        }
      ]
    },
    "metadata": {},
    "OS-EXT-STS:task_state": null,
    "OS-DCF:diskConfig": "MANUAL",
    "OS-EXT-AZ:availability_zone":  "az_test_01",
    "links": [
      {
        "rel": "self",
        "href": "https://None/v2.1/74610f3a5ad941998e91f076297ecf27/servers/0c71c0da-8852-4c56-a1d1-3a9b9bcb6da6"
      },
      {
        "rel": "bookmark",
        "href": "https://None/74610f3a5ad941998e91f076297ecf27/servers/0c71c0da-8852-4c56-a1d1-3a9b9bcb6da6"
      }
    ],
    "OS-EXT-STS:power_state": 1,
    "id": "0c71c0da-8852-4c56-a1d1-3a9b9bcb6da6",
    "os-extended-volumes:volumes_attached": [
      {
        "id": "b551445a-e749-4d53-932a-638a455cb6c3"
      }
    ],
    "OS-EXT-SRV-ATTR:host": "pod1_test_01",
    "image": {
      "links": [
        {
          "rel": "bookmark",
          "href": "https://None/74610f3a5ad941998e91f076297ecf27/images/11e8f727-d439-4ed1-b3b8-33f46c0379c4"
        }
      ],
      "id": "11e8f727-d439-4ed1-b3b8-33f46c0379c4"
    },
    "OS-SRV-USG:terminated_at": null,
    "accessIPv4": "",
    "accessIPv6": "",
    "created": "2018-05-25T01:47:11Z",
    "hostId": "b2792bef989888d2df1f51bff81de5ac58a4117f4e9ec3059c1a0410",
    "OS-EXT-SRV-ATTR:hypervisor_hostname": "nova001@36",
    "key_name": null,
    "flavor": {
      "links": [
        {
          "rel": "bookmark",
          "href": "https://None/74610f3a5ad941998e91f076297ecf27/flavors/c1.large"
        }
      ],
      "id": "c1.large"
    },
    "security_groups": [
      {
        "name": "default"
      }
    ],
    "config_drive": "",
    "OS-EXT-STS:vm_state": "active",
    "OS-EXT-SRV-ATTR:instance_name": "instance-001883cd",
    "user_id": "f79791beca3c48159ac2553fff22e166",
    "name": "zttestvm1",
    "progress": 0,
    "OS-SRV-USG:launched_at": "2018-05-25T01:47:55.755922",
    "updated": "2018-05-25T01:47:55Z",
    "status": "ACTIVE"
  }
}

按照步骤指示,我很快完成了云服务器的搭建,不禁有些惊讶,这小子怎么懂这么多?等等...华为云API Explorer?打开华为云API Explorer的官网,我好像打开了新世界的大门,有很多已配置好的环境和接口,直接调用调试就可以了,以后怕是没有什么能够难住我了!

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