{"id":2149,"date":"2024-12-20T17:10:31","date_gmt":"2024-12-20T17:10:31","guid":{"rendered":"https:\/\/technetsolutions.net\/?p=2149"},"modified":"2024-12-20T17:10:33","modified_gmt":"2024-12-20T17:10:33","slug":"terraform-overview-and-uses-to-provision-azure-iaas-infrastructure","status":"publish","type":"post","link":"https:\/\/technetsolutions.net\/index.php\/2024\/12\/20\/terraform-overview-and-uses-to-provision-azure-iaas-infrastructure\/","title":{"rendered":"Terraform Overview and Uses to Provision Azure IaaS infrastructure:"},"content":{"rendered":"\n

Terraform Overview and Uses to Provision Azure IaaS infrastructure:<\/strong><\/p>\n\n\n\n

Terraform is the Orchestration tool that means we can use same code to destroy infrastructure .Terraform uses Client-Only Architecture. Terraform Support Immutable infrastructure.<\/p>\n\n\n\n

Terraform Work Flow<\/u><\/strong><\/p>\n\n\n\n

1) init Phase
$ terraform init
it will downlaod the Plugins and APi\u2019s from the provider and store into .terraform directory<\/p>\n\n\n\n

2) execution Phase
$ terraform validate
$ terraform plan
$ terraform apply<\/p>\n\n\n\n

3) destroy phase
$ terraform destory<\/p>\n\n\n\n

Connecting to Azure Cloud with the terraform client<\/strong><\/p>\n\n\n\n

Method to connect to Azure from terraform using the keys<\/p>\n\n\n\n

    \n
  1. az login method ( not secure )<\/li>\n\n\n\n
  2. Authenticate to Azure with service principal ( connect with azure AD now named changed as Entra ID)
    https:\/\/learn.microsoft.com\/en-us\/azure\/developer\/terraform\/authenticate-to-azure-with-service-principle?tabs=bash<\/li>\n<\/ol>\n\n\n\n

    (1) OS level , we can add them into env variables and save them into the profile file .bashrc under the home\/login directory of the user
    (2 ) hardcode the keys in the tf config file<\/p>\n\n\n\n

    Example: In vscode create main.tf<\/p>\n\n\n\n

    Terraform Settings Block<\/u><\/strong><\/p>\n\n\n\n

    terraform {
    required_providers {
    azurerm = {
    source = \u201chashicorp\/azurerm\u201d
    version = \u201c= 3.0.0\u201d # Optional but recommended in production
    }
    }
    }<\/p>\n\n\n\n

    provider \u201cazurerm\u201d {
    features {}
    }<\/p>\n\n\n\n

    Create Resource Group<\/strong><\/p>\n\n\n\n

    resource \u201cazurerm_resource_group\u201d \u201cmy_demo_rg1\u201d {
    location = \u201ceast us\u201d
    name = \u201cmy-demo-rg1\u201d<\/p>\n\n\n\n

    ( save the file )<\/p>\n\n\n\n

    $ terraform init<\/p>\n\n\n\n

    $ terraform validate<\/p>\n\n\n\n

    $ terraform fmt<\/p>\n\n\n\n

    $ terraform plan<\/p>\n\n\n\n

    $ terraform.exe apply \u2013auto-approve<\/p>\n\n\n\n

    ( go back and check the rescource under rescource group it will be there , refresh the screen )<\/p>\n\n\n\n

    destroy<\/p>\n\n\n\n

    ( go back and check the rescource under rescource group will be delete , refresh the screen )<\/p>\n\n\n\n

    $ terraform.exe destroy \u2013auto-approve<\/p>\n\n\n\n

    <\/h2>\n\n\n\n

    authenticate via service principal<\/strong>
    https:\/\/learn.microsoft.com\/en-us\/azure\/developer\/terraform\/authenticate-to-azure-with-service-principle?tabs=bash<\/a><\/p>\n\n\n\n

    setup the service principal authentication<\/p>\n\n\n\n

    $ az ad sp create-for-rbac –name <service_principal_name> –role Contributor –scopes \/subscriptions\/<subscription_id><\/p>\n\n\n\n

    ( it show error , login to az login )<\/p>\n\n\n\n

    restore the vscode window<\/p>\n\n\n\n

    $ az login<\/p>\n\n\n\n

    ( it show the error )<\/p>\n\n\n\n

    $ az account clear<\/p>\n\n\n\n

    $ az config set core.enable_broker_on_windows=false<\/p>\n\n\n\n

    login again<\/p>\n\n\n\n

    $ az login<\/p>\n\n\n\n

    $  az account show<\/p>\n\n\n\n

    ( it will show the subscription id )<\/p>\n\n\n\n

    $ export MSYS_NO_PATHCONV=1  <\/p>\n\n\n\n

    $ az ad sp create-for-rbac –name bofa-tf –role Contributor –scopes \/subscriptions\/<subs id><\/p>\n\n\n\n

    ( if it shows error , then add \/\/ )<\/p>\n\n\n\n

    $  az ad sp create-for-rbac –name bofa-tf –role Contributor –scopes \/\/subscriptions\/\/<subs id><\/p>\n\n\n\n

    ( it will show the details , copy and paste in some notepad )<\/p>\n\n\n\n

    (1) OS level , we can add them into env variables  and save them into the profile file .bashrc under the home\/login directory of the user<\/p>\n\n\n\n

    check the variable from os level<\/p>\n\n\n\n

    $ env | grep -i arm<\/p>\n\n\n\n

    ( refer the variable from the website )<\/p>\n\n\n\n

    export ARM_SUBSCRIPTION_ID=”<azure_subscription_id>”<\/p>\n\n\n\n

    export ARM_TENANT_ID=”<azure_subscription_tenant_id>”<\/p>\n\n\n\n

    export ARM_CLIENT_ID=”<service_principal_appid>”<\/p>\n\n\n\n

    export ARM_CLIENT_SECRET=”<service_principal_password>”<\/p>\n\n\n\n

    $ env | grep -i arm<\/p>\n\n\n\n

    copy then output and paste it into notepad<\/p>\n\n\n\n

    logut out and delete the .azure directory<\/p>\n\n\n\n

    $ az logout<\/p>\n\n\n\n

     $ rm -rf ~\/.azure<\/p>\n\n\n\n

    run the code<\/p>\n\n\n\n

    $ terraform  plan<\/p>\n\n\n\n

    ( it works )<\/p>\n\n\n\n

    $ terraform apply –auto-approve<\/p>\n\n\n\n

    ( dash board and check )<\/p>\n\n\n\n

    destory<\/p>\n\n\n\n

    $ terraform destroy  –auto-approve<\/p>\n\n\n\n

    $ exit<\/p>\n\n\n\n

    load the shell  and change the directory<\/p>\n\n\n\n

    $ env | grep -i arm<\/p>\n\n\n\n

    ( there wont be any variables )<\/p>\n\n\n\n

    $ terraform apply –auto-approve<\/p>\n\n\n\n

    it will fail<\/p>\n\n\n\n

    Solution add them in .bashrc file unde the home or login directory<\/p>\n\n\n\n

    \/c\/Users\/Administrator<\/p>\n\n\n\n

    open the .bashrc from the vscode<\/p>\n\n\n\n

    paste it then add export keywork before eact ARM line<\/p>\n\n\n\n

    ^s save the file<\/p>\n\n\n\n

    $ exit<\/p>\n\n\n\n

    and load the shell again<\/p>\n\n\n\n

    $ env | grep -i arm<\/p>\n\n\n\n

    $ cd  rescoure-group<\/p>\n\n\n\n

    $ terraform plan<\/p>\n\n\n\n

    ( it work )<\/p>\n\n\n\n

    <\/p>\n\n\n\n

    <\/p>\n\n\n\n

    <\/p>\n\n\n\n

    <\/p>\n\n\n\n

    <\/p>\n","protected":false},"excerpt":{"rendered":"

    Terraform Overview and Uses to Provision Azure IaaS infrastructure: Terraform is the Orchestration tool that means we can use same code to destroy infrastructure .Terraform uses Client-Only Architecture. Terraform Support Immutable infrastructure. Terraform Work Flow 1) init Phase$ terraform initit will downlaod the Plugins and APi\u2019s from the provider and store into .terraform directory 2) […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2149","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nTerraform Overview and Uses to Provision Azure IaaS infrastructure: - technetsolutions.net<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/technetsolutions.net\/index.php\/2024\/12\/20\/terraform-overview-and-uses-to-provision-azure-iaas-infrastructure\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Terraform Overview and Uses to Provision Azure IaaS infrastructure: - technetsolutions.net\" \/>\n<meta property=\"og:description\" content=\"Terraform Overview and Uses to Provision Azure IaaS infrastructure: Terraform is the Orchestration tool that means we can use same code to destroy infrastructure .Terraform uses Client-Only Architecture. 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