Use Terraform in Local PC

Last updated: 2024-12-02 16:01:33
Use Terraform in Local PC
Last updated: 2024-12-02 16:01:33
Installing Terraform
Downloading the installation package
Go to Terraform official website and use the command line to install Terraform directly or download the binary installation package file.
Decompressing the package file and configuring the global path
Linux: See How to permanently set $PATH on Linux/Unix [closed].
Windows: See Where can I set path to make.exe on Windows?﻿
macOS: See How to permanently set $PATH on Linux/Unix [closed].
Verify the installation
Run the following command to check whether the installation worked.
terraform  -version
If the following information is returned (the version number may be different), the installation is successful:
Terraform v1.3.0
on darwin_amd64
﻿
Your version of Terraform is out of date! The latest version
is 1.3.2. You can update by downloading from https://www.terraform.io/downloads.html
Authentication
Getting credentials
Before using Terraform for the first time, go to the TencentCloud API Key page to apply for SecretId and SecretKey. If you already have them, skip this step.
1. Log in to the CAM console and select Access Key > Manage API Key on the left sidebar.
2. On the Manage API Key page, click Create Key to create a pair of SecretId/SecretKey.
Authentication by static credential
Create a provider.tf file in the user directory and enter the following content:
Replace my-secret-id and my-secret-key with SecretId and SecretKey obtained in the Getting credentials step.
provider "tencentcloud" {
  secret_id = "my-secret-id"
  secret_key = "my-secret-key"
}
Authentication by environment variables
Add the following content to the environment variables:
Replace YOUR_SECRET_ID and YOUR_SECRET_KEY with SecretId and SecretKey obtained in the Getting credentials step.
export TENCENTCLOUD_SECRET_ID=YOUR_SECRET_ID
export TENCENTCLOUD_SECRET_KEY=YOUR_SECRET_KEY
Creating a VPC via Terraform
1. Create a provider.tf file, paste the following content to the file and specify the provider configuration information:
terraform {
  required_providers {
    tencentcloud = {
      source = "tencentcloudstack/tencentcloud"
      # Specify the version by `version`
      # version = ">=1.60.18"
    }
  }
}
﻿
provider "tencentcloud" {
  region = "ap-guangzhou"
  # secret_id = "my-secret-id"
  # secret_key = "my-secret-key"
}
2. Create a main.tf file and paste the following content to the file to configure TencentCloud Provider and create a VPC. 
resource "tencentcloud_vpc" "foo" {
    name         = "ci-temp-test-updated"
    cidr_block   = "10.0.0.0/16"
    dns_servers  = ["119.29.29.29", "8.8.8.8"]
    is_multicast = false
﻿
    tags = {
        "test" = "test"
    }
}
3. Run the following command to initialize the working directory and download the plugin.
terraform init
The response is as follows:
Note：
In case of a download failure, see Init Acceleration.
➜  terraform_workspace terraform init
﻿
Initializing the backend...
﻿
Initializing provider plugins...
- Finding latest version of tencentcloudstack/tencentcloud...
- Installing tencentcloudstack/tencentcloud v1.60.18...
- Installed tencentcloudstack/tencentcloud v1.60.18 (signed by a HashiCorp partner, key ID 84F69E1C1BECF459)
﻿
Partner and community providers are signed by their developers.
If you'd like to know more about provider signing, you can read about it here:
https://www.terraform.io/docs/cli/plugins/signing.html
﻿
Terraform has created a lock file .terraform.lock.hcl to record the provider
selections it made above. Include this file in your version control repository
so that Terraform can guarantee to make the same selections by default when
you run "terraform init" in the future.
﻿
Terraform has been successfully initialized!
﻿
You may now begin working with Terraform. Try running "terraform plan" to see
any changes that are required for your infrastructure. All Terraform commands
should now work.
﻿
If you ever set or change modules or backend configuration for Terraform,
rerun this command to reinitialize your working directory. If you forget, other
commands will detect it and remind you to do so if necessary.
4. Run the following command to upgrade the provider version.
terraform init -upgrade
The response is as follows:
➜  terraform_workspace terraform init -upgrade
﻿
Initializing the backend...
﻿
Initializing provider plugins...
- Finding tencentcloudstack/tencentcloud versions matching ">= 1.60.18"...
- Installing tencentcloudstack/tencentcloud v1.60.19...
- Installed tencentcloudstack/tencentcloud v1.60.19 (signed by a HashiCorp partner, key ID 84F69E1C1BECF459)
﻿
Partner and community providers are signed by their developers.
If you'd like to know more about provider signing, you can read about it here:
https://www.terraform.io/docs/cli/plugins/signing.html
﻿
Terraform has made some changes to the provider dependency selections recorded
in the .terraform.lock.hcl file. Review those changes and commit them to your
version control system if they represent changes you intended to make.
﻿
Terraform has been successfully initialized!
﻿
You may now begin working with Terraform. Try running "terraform plan" to see
any changes that are required for your infrastructure. All Terraform commands
should now work.
﻿
If you ever set or change modules or backend configuration for Terraform,
rerun this command to reinitialize your working directory. If you forget, other
commands will detect it and remind you to do so if necessary.
5. Run the following command to view the execution plan and display the details of the resource to be created.
terraform plan
The response is as follows:
➜  terraform_workspace terraform plan
﻿
Terraform used the selected providers to generate the following execution plan. Resource actions are
indicated with the following symbols:
  + create
﻿
Terraform will perform the following actions:
﻿
  # tencentcloud_vpc.foo will be created
  + resource "tencentcloud_vpc" "foo" {
      + cidr_block             = "10.0.0.0/16"
      + create_time            = (known after apply)
      + default_route_table_id = (known after apply)
      + dns_servers            = [
          + "119.29.29.29",
          + "8.8.8.8",
        ]
      + id                     = (known after apply)
      + is_default             = (known after apply)
      + is_multicast           = false
      + name                   = "ci-temp-test-updated"
      + tags                   = {
          + "test" = "test"
        }
    }
﻿
Plan: 1 to add, 0 to change, 0 to destroy.
﻿
─────────────────────────────────────────────────────────────────────────────────────────────────────────────
﻿
Note: You didn't use the -out option to save this plan, so Terraform can't guarantee to take exactly these
actions if you run "terraform apply" now.
6. Run the following command to create the resource.
terraform apply
Enter yes as prompted to create the resource. The response is as follows:
➜  terraform_workspace terraform apply
﻿
Terraform used the selected providers to generate the following execution plan. Resource actions are
indicated with the following symbols:
  + create
﻿
Terraform will perform the following actions:
﻿
  # tencentcloud_vpc.foo will be created
  + resource "tencentcloud_vpc" "foo" {
      + cidr_block             = "10.0.0.0/16"
      + create_time            = (known after apply)
      + default_route_table_id = (known after apply)
      + dns_servers            = [
          + "119.29.29.29",
          + "8.8.8.8",
        ]
      + id                     = (known after apply)
      + is_default             = (known after apply)
      + is_multicast           = false
      + name                   = "ci-temp-test-updated"
      + tags                   = {
          + "test" = "test"
        }
    }
﻿
Plan: 1 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
﻿
tencentcloud_vpc.foo: Creating...
tencentcloud_vpc.foo: Still creating... [10s elapsed]
tencentcloud_vpc.foo: Creation complete after 13s [id=vpc-07mx4yfd]
﻿
Apply complete! Resources: 1 added, 0 changed, 0 destroyed.
After execution, you can view the created resource in the Tencent Cloud console.
7. (Optional) Update the resource.
If you change the resource configuration to the following information:
resource "tencentcloud_vpc" "foo" {
    name         = "ci-temp-test-updated2"
    cidr_block   = "10.0.0.0/16"
    dns_servers  = ["119.29.29.29", "8.8.8.8"]
    is_multicast = false
﻿
    tags = {
        "test" = "test"
    }
}
Run the terraform plan command to update the plan. The response is as follows:
➜  terraform_workspace terraform plan 
tencentcloud_vpc.foo: Refreshing state... [id=vpc-jhmdf9q9]
﻿
Terraform used the selected providers to generate the following execution plan. Resource actions are indicated with the following symbols:
  ~ update in-place
﻿
Terraform will perform the following actions:
﻿
  # tencentcloud_vpc.foo will be updated in-place
  ~ resource "tencentcloud_vpc" "foo" {
        id                     = "vpc-jhmdf9q9"
      ~ name                   = "ci-temp-test-updated" -> "ci-temp-test-updated2"
        tags                   = {
            "test" = "test"
        }
        # (6 unchanged attributes hidden)
    }
﻿
Plan: 0 to add, 1 to change, 0 to destroy.
﻿
───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
﻿
Note: You didn't use the -out option to save this plan, so Terraform can't guarantee to take exactly these actions if you run "terraform apply"
now.
Run the terraform apply command to create the resource with the updated data. The following information is returned:
➜  terraform_workspace terraform apply
tencentcloud_vpc.foo: Refreshing state... [id=vpc-jhmdf9q9]
﻿
Terraform used the selected providers to generate the following execution plan. Resource actions are indicated with the following symbols:
  ~ update in-place
﻿
Terraform will perform the following actions:
﻿
  # tencentcloud_vpc.foo will be updated in-place
  ~ resource "tencentcloud_vpc" "foo" {
        id                     = "vpc-jhmdf9q9"
      ~ name                   = "ci-temp-test-updated" -> "ci-temp-test-updated2"
        tags                   = {
            "test" = "test"
        }
        # (6 unchanged attributes hidden)
    }
﻿
Plan: 0 to add, 1 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
﻿
tencentcloud_vpc.foo: Modifying... [id=vpc-jhmdf9q9]
tencentcloud_vpc.foo: Modifications complete after 1s [id=vpc-jhmdf9q9]
﻿
Apply complete! Resources: 0 added, 1 changed, 0 destroyed.
8. You can run the command below to terminate the resource as needed.
terraform destroy
The returned information is as follows:
➜  terraform_workspace terraform destroy
tencentcloud_vpc.foo: Refreshing state... [id=vpc-07mx4yfd]
﻿
Terraform used the selected providers to generate the following execution plan. Resource actions are
indicated with the following symbols:
  - destroy
﻿
Terraform will perform the following actions:
﻿
  # tencentcloud_vpc.foo will be destroyed
  - resource "tencentcloud_vpc" "foo" {
      - cidr_block             = "10.0.0.0/16" -> null
      - create_time            = "2021-12-15 16:20:32" -> null
      - default_route_table_id = "rtb-4m1nmo0e" -> null
      - dns_servers            = [
          - "119.29.29.29",
          - "8.8.8.8",
        ] -> null
      - id                     = "vpc-07mx4yfd" -> null
      - is_default             = false -> null
      - is_multicast           = false -> null
      - name                   = "ci-temp-test-updated" -> null
      - tags                   = {
          - "test" = "test"
        } -> null
    }
﻿
Plan: 0 to add, 0 to change, 1 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
﻿
tencentcloud_vpc.foo: Destroying... [id=vpc-07mx4yfd]
tencentcloud_vpc.foo: Destruction complete after 7s
﻿
Destroy complete! Resources: 1 destroyed.
﻿
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tencent cloud

Installing Terraform

Downloading the installation package

Decompressing the package file and configuring the global path

Verify the installation

Authentication

Getting credentials

Authentication by static credential

Authentication by environment variables

Creating a VPC via Terraform
