{"id":7568,"date":"2023-04-03T03:19:27","date_gmt":"2023-04-03T03:19:27","guid":{"rendered":"https:\/\/www.devopsschool.com\/blog\/?p=7568"},"modified":"2023-04-03T03:42:00","modified_gmt":"2023-04-03T03:42:00","slug":"terraform-basics-workflow-loop-explained","status":"publish","type":"post","link":"https:\/\/www.devopsschool.com\/blog\/terraform-basics-workflow-loop-explained\/","title":{"rendered":"Terraform Tutorials: Basic Workflow Getting Started Guide"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"447\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/terraform-basic-workflow-1024x447.jpg\" alt=\"\" class=\"wp-image-33139\" srcset=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/terraform-basic-workflow-1024x447.jpg 1024w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/terraform-basic-workflow-300x131.jpg 300w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/terraform-basic-workflow-768x336.jpg 768w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/terraform-basic-workflow.jpg 1270w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code><strong>init<\/strong><\/code>&nbsp;&#8211; Init. Initialize the (local) Terraform environment. Usually executed only once per session.<\/li>\n\n\n\n<li><code><strong>plan<\/strong><\/code>&nbsp;&#8211; Plan. Compare the Terraform state with the as-is state in the cloud, build and display an execution plan. This does not change change the deployment (read-only).<\/li>\n\n\n\n<li><code><strong>apply<\/strong><\/code>&nbsp;&#8211; Apply the plan from the plan phase. This potentially changes the deployment (read and write).<\/li>\n\n\n\n<li><code><strong>destroy<\/strong><\/code>&nbsp;&#8211; Destroy all resources that are governed by this specific terraform environment.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Terraform workflow<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/terraform-workflow-1-1024x512.jpg\" alt=\"\" class=\"wp-image-33166\" srcset=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/terraform-workflow-1-1024x512.jpg 1024w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/terraform-workflow-1-300x150.jpg 300w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/terraform-workflow-1-768x384.jpg 768w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/terraform-workflow-1.jpg 1245w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Step &#8211; 1 &#8211;<\/strong> Install terraform<\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-devopsschool-com wp-block-embed-devopsschool-com\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"ctSurwzp9z\"><a href=\"https:\/\/www.devopsschool.com\/blog\/terraform-install-configurations\/\">Terraform Tutorials: Installation &#038; Configurations<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Terraform Tutorials: Installation &#038; Configurations&#8221; &#8212; \" src=\"https:\/\/www.devopsschool.com\/blog\/terraform-install-configurations\/embed\/#?secret=UXNY1NNP6l#?secret=ctSurwzp9z\" data-secret=\"ctSurwzp9z\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Step &#8211; 2 &#8211;<\/strong> Decide a providers name which you want to work with?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Create one directory under your workspace<\/li>\n\n\n\n<li>Inside directory, create one file called &#8220;providers.tf&#8221;<\/li>\n\n\n\n<li>Content of the providers.tf are as follow<\/li>\n\n\n\n<li>run init command to download aws providers. $ terraform init<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"PHP\" data-shcb-language-slug=\"php\"><span><code class=\"hljs language-php\">terraform {\n  required_providers {\n    aws = {\n      source = <span class=\"hljs-string\">\"hashicorp\/aws\"<\/span>\n      version = <span class=\"hljs-string\">\"4.61.0\"<\/span>\n    }\n\tgithub = {\n      source = <span class=\"hljs-string\">\"integrations\/github\"<\/span>\n      version = <span class=\"hljs-string\">\"5.18.3\"<\/span>\n    }\n  }\n}\n\nprovider <span class=\"hljs-string\">\"aws\"<\/span> {\n  region     = <span class=\"hljs-string\">\"us-east-1\"<\/span>\n  access_key = <span class=\"hljs-string\">\"\"<\/span>\n  secret_key = <span class=\"hljs-string\">\"\"<\/span>\n}\n\nprovider <span class=\"hljs-string\">\"github\"<\/span> {\n  <span class=\"hljs-comment\"># Configuration options<\/span>\n}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">PHP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">php<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Step &#8211; 3<\/strong> &#8211; Create 1 AWS ec2 instance using Terraform<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Create aws.tf file in the same directory where providers.tf is located<\/li>\n\n\n\n<li>Put the following content. Modify AMI id as per your region<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">resource <span class=\"hljs-string\">\"aws_instance\"<\/span> <span class=\"hljs-string\">\"web\"<\/span> {\n  ami           = <span class=\"hljs-string\">\"ami-007855ac798b5175e\"<\/span>\n  instance_type = <span class=\"hljs-string\">\"t2.micro\"<\/span>\n\n  tags = {\n    Name = <span class=\"hljs-string\">\"HelloWorld-DevOpsSchool\"<\/span>\n  }\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Step &#8211; 4 &#8211;<\/strong> PLAN (DRY RUN) using terraform plan<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RUN a Dry run command $ terraform plan<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"608\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-16-1024x608.png\" alt=\"\" class=\"wp-image-33146\" srcset=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-16-1024x608.png 1024w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-16-300x178.png 300w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-16-768x456.png 768w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-16.png 1078w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Step &#8211; 5 &#8211;<\/strong> APPLY (Create a Resoureces) using terraform apply<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Run apply command to create resources $ terraform apply<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"459\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-17-1024x459.png\" alt=\"\" class=\"wp-image-33151\" srcset=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-17-1024x459.png 1024w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-17-300x134.png 300w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-17-768x344.png 768w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-17.png 1038w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"988\" height=\"553\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-18.png\" alt=\"\" class=\"wp-image-33152\" srcset=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-18.png 988w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-18-300x168.png 300w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-18-768x430.png 768w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-18-740x414.png 740w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-18-355x199.png 355w\" sizes=\"auto, (max-width: 988px) 100vw, 988px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Step &#8211; 6 &#8211;<\/strong> Verify a AWS ec2 instance at AWS<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"260\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-22-1024x260.png\" alt=\"\" class=\"wp-image-33162\" srcset=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-22-1024x260.png 1024w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-22-300x76.png 300w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-22-768x195.png 768w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-22.png 1444w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Step &#8211; 7 &#8211;<\/strong> APPLY (Update a Resoureces) using terraform apply<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Update tag info in your aws.tf code<\/li>\n\n\n\n<li>Run $ terraform apply<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">resource <span class=\"hljs-string\">\"aws_instance\"<\/span> <span class=\"hljs-string\">\"web\"<\/span> {\n  ami           = <span class=\"hljs-string\">\"ami-007855ac798b5175e\"<\/span>\n  instance_type = <span class=\"hljs-string\">\"t2.micro\"<\/span>\n\n  tags = {\n    Name = <span class=\"hljs-string\">\"HelloWorld-Terraform\"<\/span>\n  }\n}<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"913\" height=\"511\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-19.png\" alt=\"\" class=\"wp-image-33155\" srcset=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-19.png 913w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-19-300x168.png 300w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-19-768x430.png 768w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-19-740x414.png 740w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-19-355x199.png 355w\" sizes=\"auto, (max-width: 913px) 100vw, 913px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Step &#8211; 8 &#8211;<\/strong> Terraform show<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"418\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-20-1024x418.png\" alt=\"\" class=\"wp-image-33158\" srcset=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-20-1024x418.png 1024w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-20-300x122.png 300w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-20-768x313.png 768w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-20.png 1444w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Check Statefile in the same directory<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"545\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-23-1024x545.png\" alt=\"\" class=\"wp-image-33163\" srcset=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-23-1024x545.png 1024w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-23-300x160.png 300w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-23-768x408.png 768w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-23.png 1209w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Step &#8211; 9 &#8211;<\/strong> Terraform destroy<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"460\" src=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-21-1024x460.png\" alt=\"\" class=\"wp-image-33159\" srcset=\"https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-21-1024x460.png 1024w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-21-300x135.png 300w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-21-768x345.png 768w, https:\/\/www.devopsschool.com\/blog\/wp-content\/uploads\/2023\/04\/image-21.png 1117w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Check AWS Account if AWS ec2-instance is destroyed or not<\/p>\n\n\n<div class=\"epyt-gallery\" data-currpage=\"1\" id=\"epyt_gallery_38271\"><figure class=\"wp-block-embed wp-block-embed-youtube is-type-video is-provider-youtube epyt-figure\"><div class=\"wp-block-embed__wrapper\"><iframe loading=\"lazy\"  id=\"_ytid_35413\"  width=\"760\" height=\"427\"  data-origwidth=\"760\" data-origheight=\"427\" src=\"https:\/\/www.youtube.com\/embed\/?enablejsapi=1&#038;autoplay=0&#038;cc_load_policy=0&#038;cc_lang_pref=&#038;iv_load_policy=1&#038;loop=0&#038;rel=1&#038;fs=1&#038;playsinline=0&#038;autohide=2&#038;theme=dark&#038;color=red&#038;controls=1&#038;disablekb=0&#038;\" class=\"__youtube_prefs__  no-lazyload\" title=\"YouTube player\"  data-epytgalleryid=\"epyt_gallery_38271\"  allow=\"fullscreen; accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen data-no-lazy=\"1\" data-skipgform_ajax_framebjll=\"\"><\/iframe><\/div><\/figure><div class=\"epyt-gallery-list\"><div>Sorry, there was a YouTube error.<\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Terraform workflow Step &#8211; 1 &#8211; Install terraform Step &#8211; 2 &#8211; Decide a providers name which you want to work with? Step &#8211; 3 &#8211; Create 1 AWS ec2 instance using Terraform Step &#8211; 4 &#8211; PLAN (DRY RUN) using terraform plan Step &#8211; 5 &#8211; APPLY (Create a Resoureces) using terraform apply Step&#8230;<\/p>\n","protected":false},"author":1,"featured_media":7785,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","_joinchat":[],"footnotes":""},"categories":[5129],"tags":[],"class_list":["post-7568","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-terraform"],"_links":{"self":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/7568","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/comments?post=7568"}],"version-history":[{"count":16,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/7568\/revisions"}],"predecessor-version":[{"id":33168,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/posts\/7568\/revisions\/33168"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media\/7785"}],"wp:attachment":[{"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/media?parent=7568"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/categories?post=7568"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devopsschool.com\/blog\/wp-json\/wp\/v2\/tags?post=7568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}