terraform安装与命令详解

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brew tap hashicorp/tap
brew install hashicorp/tap/terraform

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curl -fsSL https://apt.releases.hashicorp.com/gpg | sudo apt-key add -
sudo apt-add-repository "deb [arch=amd64] https://apt.releases.hashicorp.com $(lsb_release -cs) main"
sudo apt-get update && sudo apt-get install terraform

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sudo yum install -y yum-utils
sudo yum-config-manager --add-repo https://rpm.releases.hashicorp.com/RHEL/hashicorp.repo
sudo yum -y install terraform

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# terraform -v
Terraform v0.14.3

Your version of Terraform is out of date! The latest version
is 0.14.7. You can update by downloading from https://www.terraform.io/downloads.html
# terraform
Usage: terraform [global options] <subcommand> [args]

The available commands for execution are listed below.
The primary workflow commands are given first, followed by
less common or more advanced commands.

Main commands:
  init          Prepare your working directory for other commands
  validate      Check whether the configuration is valid
  plan          Show changes required by the current configuration
  apply         Create or update infrastructure
  destroy       Destroy previously-created infrastructure

All other commands:
  console       Try Terraform expressions at an interactive command prompt
  fmt           Reformat your configuration in the standard style
  force-unlock  Release a stuck lock on the current workspace
  get           Install or upgrade remote Terraform modules
  graph         Generate a Graphviz graph of the steps in an operation
  import        Associate existing infrastructure with a Terraform resource
  login         Obtain and save credentials for a remote host
  logout        Remove locally-stored credentials for a remote host
  output        Show output values from your root module
  providers     Show the providers required for this configuration
  refresh       Update the state to match remote systems
  show          Show the current state or a saved plan
  state         Advanced state management
  taint         Mark a resource instance as not fully functional
  untaint       Remove the 'tainted' state from a resource instance
  version       Show the current Terraform version
  workspace     Workspace management

Global options (use these before the subcommand, if any):
  -chdir=DIR    Switch to a different working directory before executing the
                given subcommand.
  -help         Show this help output, or the help for a specified subcommand.
  -version      An alias for the "version" subcommand.

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# ls 
main.tf     variables.tf      versions.tf
# terraform init

Initializing the backend...

Initializing provider plugins...
- Reusing previous version of aliyun/alicloud from the dependency lock file
- Using aliyun/alicloud v1.115.1 from the shared cache directory

Terraform has been successfully initialized!

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# terraform fmt 
main.tf
variables.tf
versions.tf
# terraform fmt -diff  #格式化处理
main.tf
--- old/main.tf
+++ new/main.tf
@@ -1,7 +1,7 @@
 provider "alicloud" {
   region     = var.region
   access_key = var.alicloud_access_key
-  secret_key =  var.alicloud_secret_key
+  secret_key = var.alicloud_secret_key
 }

 resource "alicloud_vpc" "vpc" {
@@ -12,7 +12,7 @@
 resource "alicloud_vswitch" "vsw" {
   vpc_id            = alicloud_vpc.vpc.id
   cidr_block        = "10.100.0.0/24"
-  availability_zone =  var.availability_zone
+  availability_zone = var.availability_zone
 }

 resource "alicloud_security_group" "default" {
variables.tf
--- old/variables.tf
+++ new/variables.tf
@@ -4,7 +4,7 @@
 }

 variable "alicloud_secret_key" {
-  default                     = "4Z4gbl3d9TGz9jWobv9MPwInvyH2Kf"
+  default     = "4Z4gbl3d9TGz9jWobv9MPwInvyH2Kf"
   description = "The Alicloud Access Secret Key to launch resources.  Support to environment 'ALICLOUD_SECRET_KEY'."
 }

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# terraform  plan

An execution plan has been generated and is shown below.
Resource actions are indicated with the following symbols:
  + create

Terraform will perform the following actions:

  # alicloud_instance.wanzi_test will be created
  + resource "alicloud_instance" "wanzi_test" {
      + availability_zone             = "cn-hangzhou-i"
      + credit_specification          = (known after apply)
      + deletion_protection           = false
      + dry_run                       = false
      + host_name                     = (known after apply)
      + id                            = (known after apply)
      + image_id                      = "ubuntu_18_04_64_20G_alibase_20190624.vhd"
      + instance_charge_type          = "PostPaid"
      + instance_name                 = "wanzi_tf001"
      + instance_type                 = "ecs.s6-c1m2.small"
      + internet_max_bandwidth_in     = (known after apply)
      + internet_max_bandwidth_out    = 0
      + key_name                      = (known after apply)
      + password                      = (sensitive value)
      + private_ip                    = (known after apply)
      + public_ip                     = (known after apply)
      + role_name                     = (known after apply)
      + security_groups               = (known after apply)
      + spot_strategy                 = "NoSpot"
      + status                        = "Running"
      + subnet_id                     = (known after apply)
      + system_disk_category          = "cloud_efficiency"
      + system_disk_performance_level = (known after apply)
      + system_disk_size              = 40
      + volume_tags                   = (known after apply)
      + vswitch_id                    = (known after apply)
    }

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# terraform apply
An execution plan has been generated and is shown below.
Resource actions are indicated with the following symbols:
  + create

Terraform will perform the following actions:

  # alicloud_instance.wanzi_test will be created
  + resource "alicloud_instance" "wanzi_test" {
      + availability_zone             = "cn-hangzhou-i"
      + credit_specification          = (known after apply)
      + deletion_protection           = false
      + dry_run                       = false
      + host_name                     = (known after apply)
      + id                            = (known after apply)
      + image_id                      = "ubuntu_18_04_64_20G_alibase_20190624.vhd"
      + instance_charge_type          = "PostPaid"
      + instance_name                 = "wanzi_tf001"
      + instance_type                 = "ecs.s6-c1m2.small"
      + internet_max_bandwidth_in     = (known after apply)
      + internet_max_bandwidth_out    = 0
      + key_name                      = (known after apply)
      + password                      = (sensitive value)
      + private_ip                    = (known after apply)
      + public_ip                     = (known after apply)
      + role_name                     = (known after apply)
      + security_groups               = (known after apply)
      + spot_strategy                 = "NoSpot"
      + status                        = "Running"
      + subnet_id                     = (known after apply)
      + system_disk_category          = "cloud_efficiency"
      + system_disk_performance_level = (known after apply)
      + system_disk_size              = 40
      + volume_tags                   = (known after apply)
      + vswitch_id                    = (known after apply)
    }

  # alicloud_security_group.default will be created
  + resource "alicloud_security_group" "default" {
      + id                  = (known after apply)
      + inner_access        = (known after apply)
      + inner_access_policy = (known after apply)
      + name                = "default"
      + security_group_type = "normal"
      + vpc_id              = (known after apply)
    }
......
......
Plan: 5 to add, 0 to change, 0 to destroy.

Do you want to perform these actions?
  Terraform will perform the actions described above.
  Only 'yes' will be accepted to approve.

  Enter a value: yes

alicloud_vpc.vpc: Creating...
alicloud_vpc.vpc: Creation complete after 9s [id=vpc-bp1kulcyygsi727aay4hd]
alicloud_security_group.default: Creating...
alicloud_vswitch.vsw: Creating...
alicloud_security_group.default: Creation complete after 1s [id=sg-bp11s5pka9pxtj6pn4xq]
alicloud_security_group_rule.allow_all_tcp: Creating...
alicloud_security_group_rule.allow_all_tcp: Creation complete after 1s [id=sg-bp11s5pka9pxtj6pn4xq:ingress:tcp:1/65535:intranet:0.0.0.0/0:accept:1]
alicloud_vswitch.vsw: Creation complete after 4s [id=vsw-bp1wgpgz9z8y2lfsl2beo]
alicloud_instance.wanzi_test: Creating...
alicloud_instance.wanzi_test: Still creating... [10s elapsed]
alicloud_instance.wanzi_test: Still creating... [20s elapsed]
alicloud_instance.wanzi_test: Creation complete after 22s [id=i-bp1gt9mb9asadff9r2zr]

Apply complete! Resources: 5 added, 0 changed, 0 destroyed.

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# terraform show
# alicloud_instance.wanzi_test:
resource "alicloud_instance" "wanzi_test" {
    availability_zone          = "cn-hangzhou-i"
    deletion_protection        = false
    dry_run                    = false
    host_name                  = "iZbp1gt9mb9asadff9r2zrZ"
    id                         = "i-bp1gt9mb9asadff9r2zr"
    image_id                   = "ubuntu_18_04_64_20G_alibase_20190624.vhd"
    instance_charge_type       = "PostPaid"
    instance_name              = "wanzi_tf001"
    instance_type              = "ecs.s6-c1m2.small"
    internet_charge_type       = "PayByTraffic"
    internet_max_bandwidth_in  = -1
    internet_max_bandwidth_out = 0
    password                   = (sensitive value)
    private_ip                 = "10.100.0.234"
    security_groups            = [
        "sg-bp11s5pka9pxtj6pn4xq",
    ]
    spot_price_limit           = 0
    spot_strategy              = "NoSpot"
    status                     = "Running"
    subnet_id                  = "vsw-bp1wgpgz9z8y2lfsl2beo"
    system_disk_category       = "cloud_efficiency"
    system_disk_size           = 40
    volume_tags                = {}
    vswitch_id                 = "vsw-bp1wgpgz9z8y2lfsl2beo"
}

# alicloud_security_group.default:
resource "alicloud_security_group" "default" {
    id                  = "sg-bp11s5pka9pxtj6pn4xq"
    inner_access        = true
    inner_access_policy = "Accept"
    name                = "default"
    security_group_type = "normal"
    vpc_id              = "vpc-bp1kulcyygsi727aay4hd"
}

# alicloud_security_group_rule.allow_all_tcp:
resource "alicloud_security_group_rule" "allow_all_tcp" {
    cidr_ip           = "0.0.0.0/0"
    id                = "sg-bp11s5pka9pxtj6pn4xq:ingress:tcp:1/65535:intranet:0.0.0.0/0:accept:1"
    ip_protocol       = "tcp"
    nic_type          = "intranet"
    policy            = "accept"
    port_range        = "1/65535"
    priority          = 1
    security_group_id = "sg-bp11s5pka9pxtj6pn4xq"
    type              = "ingress"
}

# alicloud_vpc.vpc:
resource "alicloud_vpc" "vpc" {
    cidr_block        = "10.100.0.0/16"
    id                = "vpc-bp1kulcyygsi727aay4hd"
    name              = "tf_test_foo"
    resource_group_id = "rg-acfm2ogp24u3rcy"
    route_table_id    = "vtb-bp1wy8srerq12rta02r03"
    router_id         = "vrt-bp1apvobefvhshksnnwvm"
    router_table_id   = "vtb-bp1wy8srerq12rta02r03"
}

# alicloud_vswitch.vsw:
resource "alicloud_vswitch" "vsw" {
    availability_zone = "cn-hangzhou-i"
    cidr_block        = "10.100.0.0/24"
    id                = "vsw-bp1wgpgz9z8y2lfsl2beo"
    vpc_id            = "vpc-bp1kulcyygsi727aay4hd"
}

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# terraform taint alicloud_instance.wanzi_test
Resource instance alicloud_instance.wanzi_test has been marked as tainted.

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# terraform untaint alicloud_instance.wanzi_test
Resource instance alicloud_instance.wanzi_test has been successfully untainted.

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#terraform destroy

Plan: 0 to add, 0 to change, 5 to destroy.

Do you really want to destroy all resources?
  Terraform will destroy all your managed infrastructure, as shown above.
  There is no undo. Only 'yes' will be accepted to confirm.

  Enter a value: yes

alicloud_security_group_rule.allow_all_tcp: Destroying... [id=sg-bp10tup89oothxz8tny1:ingress:tcp:1/65535:intranet:0.0.0.0/0:accept:1]
alicloud_instance.wanzi_test: Destroying... [id=i-bp10ukz4nlr894mhebgl]
alicloud_security_group_rule.allow_all_tcp: Destruction complete after 0s
alicloud_instance.wanzi_test: Still destroying... [id=i-bp10ukz4nlr894mhebgl, 10s elapsed]
alicloud_instance.wanzi_test: Still destroying... [id=i-bp10ukz4nlr894mhebgl, 20s elapsed]
alicloud_instance.wanzi_test: Destruction complete after 28s
alicloud_security_group.default: Destroying... [id=sg-bp10tup89oothxz8tny1]
alicloud_vswitch.vsw: Destroying... [id=vsw-bp1ap7ccst3fjxnw4pnza]
alicloud_security_group.default: Destruction complete after 9s
alicloud_vswitch.vsw: Still destroying... [id=vsw-bp1ap7ccst3fjxnw4pnza, 10s elapsed]
alicloud_vswitch.vsw: Destruction complete after 20s
alicloud_vpc.vpc: Destroying... [id=vpc-bp1obwt5ded2i0zlbu052]
alicloud_vpc.vpc: Destruction complete after 3s

Destroy complete! Resources: 5 destroyed.

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# cat yunduan.tf
resource "alicloud_instance" "test999" {
  # (resource arguments)
}
#
# terraform import alicloud_instance.test999 i-bp1etiv4002h9q27lb97
alicloud_instance.test999: Importing from ID "i-bp1etiv4002h9q27lb97"...
alicloud_instance.test999: Import prepared!
  Prepared alicloud_instance for import
alicloud_instance.test999: Refreshing state... [id=i-bp1etiv4002h9q27lb97]

Import successful!

The resources that were imported are shown above. These resources are now in
your Terraform state and will henceforth be managed by Terraform.
# cat  terraform.tfstate
{
  "version": 4,
  "terraform_version": "0.14.3",
  "serial": 1,
  "lineage": "779fad5e-b076-8cfd-6041-f6eef8c88b8a",
  "outputs": {},
  "resources": [
    {
      "mode": "managed",
      "type": "alicloud_instance",
      "name": "test999",
      "provider": "provider[\"registry.terraform.io/aliyun/alicloud\"]",
      "instances": [
        {
          "schema_version": 0,
          "attributes": {
            "allocate_public_ip": null,
            "auto_release_time": "",
            "auto_renew_period": null,
            "availability_zone": "cn-hangzhou-i",
            "credit_specification": "",
            "data_disks": [],
            "deletion_protection": false,
            "description": "",
            "dry_run": null,
            "force_delete": null,
            "host_name": "iZbp1etiv4002h9q27lb97Z",
            "id": "i-bp1etiv4002h9q27lb97",
            "image_id": "ubuntu_18_04_64_20G_alibase_20190624.vhd",
            "include_data_disks": null,
            "instance_charge_type": "PostPaid",
            "instance_name": "wanzi_tf001",
            "instance_type": "ecs.s6-c1m2.small",
            "internet_charge_type": "PayByTraffic",
            "internet_max_bandwidth_in": -1,
            "internet_max_bandwidth_out": 0,
            "io_optimized": null,
            "is_outdated": null,
            "key_name": "",
            "kms_encrypted_password": null,
            "kms_encryption_context": null,
            "password": "",
            "period": null,
            "period_unit": null,
            "private_ip": "10.100.0.169",
            "public_ip": "",
            "renewal_status": null,
            "resource_group_id": "",
            "role_name": "",
            "security_enhancement_strategy": null,
            "security_groups": [
              "sg-bp14pij6g7sjmn9bz92a"
            ],
            "spot_price_limit": 0,
            "spot_strategy": "NoSpot",
            "status": "Running",
            "subnet_id": "vsw-bp1c966jdtiw1qwh2tng8",
            "system_disk_auto_snapshot_policy_id": "",
            "system_disk_category": "cloud_efficiency",
            "system_disk_description": null,
            "system_disk_name": null,
            "system_disk_performance_level": "",
            "system_disk_size": 40,
            "tags": {},
            "timeouts": {
              "create": null,
              "delete": null,
              "update": null
            },
            "user_data": "",
            "volume_tags": {},
            "vswitch_id": "vsw-bp1c966jdtiw1qwh2tng8"
          },
          "sensitive_attributes": [],
          "private": "eyJlMmJmYjczMC1lY2FhLTExZTYtOGY4OC0zNDM2M2JjN2M0YzAiOnsiY3JlYXRlIjo2MDAwMDAwMDAwMDAsImRlbGV0ZSI6MTIwMDAwMDAwMDAwMCwidXBkYXRlIjo2MDAwMDAwMDAwMDB9LCJzY2hlbWFfdmVyc2lvbiI6IjAifQ=="
        }
      ]
    }
  ]
}
# terraform show
# alicloud_instance.test999:
resource "alicloud_instance" "test999" {
    availability_zone          = "cn-hangzhou-i"
    deletion_protection        = false
    host_name                  = "iZbp1etiv4002h9q27lb97Z"
    id                         = "i-bp1etiv4002h9q27lb97"
    image_id                   = "ubuntu_18_04_64_20G_alibase_20190624.vhd"
    instance_charge_type       = "PostPaid"
    instance_name              = "wanzi_tf001"
    instance_type              = "ecs.s6-c1m2.small"
    internet_charge_type       = "PayByTraffic"
    internet_max_bandwidth_in  = -1
    internet_max_bandwidth_out = 0
    private_ip                 = "10.100.0.169"
    security_groups            = [
        "sg-bp14pij6g7sjmn9bz92a",
    ]
    spot_price_limit           = 0
    spot_strategy              = "NoSpot"
    status                     = "Running"
    subnet_id                  = "vsw-bp1c966jdtiw1qwh2tng8"
    system_disk_category       = "cloud_efficiency"
    system_disk_size           = 40
    tags                       = {}
    volume_tags                = {}
    vswitch_id                 = "vsw-bp1c966jdtiw1qwh2tng8"

    timeouts {}
}

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# terraform graph
digraph {
        compound = "true"
        newrank = "true"
        subgraph "root" {
                "[root] alicloud_instance.wanzi_test (expand)" [label = "alicloud_instance.wanzi_test", shape = "box"]
                "[root] alicloud_security_group.default (expand)" [label = "alicloud_security_group.default", shape = "box"]
                "[root] alicloud_security_group_rule.allow_all_tcp (expand)" [label = "alicloud_security_group_rule.allow_all_tcp", shape = "box"]
                "[root] alicloud_vpc.vpc (expand)" [label = "alicloud_vpc.vpc", shape = "box"]
                "[root] alicloud_vswitch.vsw (expand)" [label = "alicloud_vswitch.vsw", shape = "box"]
                "[root] provider[\"registry.terraform.io/aliyun/alicloud\"]" [label = "provider[\"registry.terraform.io/aliyun/alicloud\"]", shape = "diamond"]
                "[root] var.alicloud_access_key" [label = "var.alicloud_access_key", shape = "note"]
                "[root] var.alicloud_secret_key" [label = "var.alicloud_secret_key", shape = "note"]
                "[root] var.availability_zone" [label = "var.availability_zone", shape = "note"]
                "[root] var.disk_category" [label = "var.disk_category", shape = "note"]
                "[root] var.disk_size" [label = "var.disk_size", shape = "note"]
                "[root] var.ecs_password" [label = "var.ecs_password", shape = "note"]
                "[root] var.ecs_type" [label = "var.ecs_type", shape = "note"]
                "[root] var.image_id" [label = "var.image_id", shape = "note"]
                "[root] var.internet_charge_type" [label = "var.internet_charge_type", shape = "note"]
                "[root] var.internet_max_bandwidth_out" [label = "var.internet_max_bandwidth_out", shape = "note"]
                "[root] var.region" [label = "var.region", shape = "note"]
                "[root] alicloud_instance.wanzi_test (expand)" -> "[root] alicloud_security_group.default (expand)"
                "[root] alicloud_instance.wanzi_test (expand)" -> "[root] alicloud_vswitch.vsw (expand)"
                "[root] alicloud_instance.wanzi_test (expand)" -> "[root] var.disk_category"
                "[root] alicloud_instance.wanzi_test (expand)" -> "[root] var.ecs_password"
                "[root] alicloud_instance.wanzi_test (expand)" -> "[root] var.ecs_type"
                "[root] alicloud_instance.wanzi_test (expand)" -> "[root] var.image_id"
                "[root] alicloud_security_group.default (expand)" -> "[root] alicloud_vpc.vpc (expand)"
                "[root] alicloud_security_group_rule.allow_all_tcp (expand)" -> "[root] alicloud_security_group.default (expand)"
                "[root] alicloud_vpc.vpc (expand)" -> "[root] provider[\"registry.terraform.io/aliyun/alicloud\"]"
                "[root] alicloud_vswitch.vsw (expand)" -> "[root] alicloud_vpc.vpc (expand)"
                "[root] alicloud_vswitch.vsw (expand)" -> "[root] var.availability_zone"
                "[root] meta.count-boundary (EachMode fixup)" -> "[root] alicloud_instance.wanzi_test (expand)"
                "[root] meta.count-boundary (EachMode fixup)" -> "[root] alicloud_security_group_rule.allow_all_tcp (expand)"
                "[root] meta.count-boundary (EachMode fixup)" -> "[root] var.disk_size"
                "[root] meta.count-boundary (EachMode fixup)" -> "[root] var.internet_charge_type"
                "[root] meta.count-boundary (EachMode fixup)" -> "[root] var.internet_max_bandwidth_out"
                "[root] provider[\"registry.terraform.io/aliyun/alicloud\"] (close)" -> "[root] alicloud_instance.wanzi_test (expand)"
                "[root] provider[\"registry.terraform.io/aliyun/alicloud\"] (close)" -> "[root] alicloud_security_group_rule.allow_all_tcp (expand)"
                "[root] provider[\"registry.terraform.io/aliyun/alicloud\"]" -> "[root] var.alicloud_access_key"
                "[root] provider[\"registry.terraform.io/aliyun/alicloud\"]" -> "[root] var.alicloud_secret_key"
                "[root] provider[\"registry.terraform.io/aliyun/alicloud\"]" -> "[root] var.region"
                "[root] root" -> "[root] meta.count-boundary (EachMode fixup)"
                "[root] root" -> "[root] provider[\"registry.terraform.io/aliyun/alicloud\"] (close)"
        }
}

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terraform graph | dot -Tsvg > ~/Downloads/graph.svg

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# terraform state list
alicloud_instance.wanzi_test
alicloud_security_group.default
alicloud_security_group_rule.allow_all_tcp
alicloud_vpc.vpc
alicloud_vswitch.vsw

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# terraform state show alicloud_vswitch.vsw
# alicloud_vswitch.vsw:
resource "alicloud_vswitch" "vsw" {
    availability_zone = "cn-hangzhou-i"
    cidr_block        = "10.100.0.0/24"
    id                = "vsw-bp1wgpgz9z8y2lfsl2beo"
    vpc_id            = "vpc-bp1kulcyygsi727aay4hd"
}

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# terraform state rm  alicloud_security_group.default
Removed alicloud_security_group.default
Successfully removed 1 resource instance(s).
# terraform state list
alicloud_instance.wanzi_test
alicloud_vpc.vpc
alicloud_vswitch.vsw
# terraform import alicloud_security_group.default sg-bp11s5pka9pxtj6pn4xq
alicloud_security_group.default: Importing from ID "sg-bp11s5pka9pxtj6pn4xq"...
alicloud_security_group.default: Import prepared!
  Prepared alicloud_security_group for import
alicloud_security_group.default: Refreshing state... [id=sg-bp11s5pka9pxtj6pn4xq]

Import successful!

The resources that were imported are shown above. These resources are now in
your Terraform state and will henceforth be managed by Terraform.

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# terraform refresh
alicloud_vpc.vpc: Refreshing state... [id=vpc-bp1kulcyygsi727aay4hd]
alicloud_vswitch.vsw: Refreshing state... [id=vsw-bp1wgpgz9z8y2lfsl2beo]
alicloud_security_group.default: Refreshing state... [id=sg-bp11s5pka9pxtj6pn4xq]
alicloud_instance.wanzi_test: Refreshing state... [id=i-bp1gt9mb9asadff9r2zr]