{"id":327,"date":"2024-10-09T23:25:45","date_gmt":"2024-10-09T21:25:45","guid":{"rendered":"https:\/\/www.c-sautter.de\/?p=327"},"modified":"2024-11-23T15:44:34","modified_gmt":"2024-11-23T14:44:34","slug":"terragrunt-the-missing-terraform-part","status":"publish","type":"post","link":"https:\/\/www.c-sautter.de\/en\/terragrunt-the-missing-terraform-part\/","title":{"rendered":"Terragrunt \u2013 the missing Terraform Part"},"content":{"rendered":"
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\"\"<\/figure>\n<\/div>\n\n\n

Terraform ist eines der Top IaC (Infrastructure as Code) Tools. Mit Terraform k\u00f6nnen Entwickler sicher und effizient Infrastruktur erstellen, \u00e4ndern und versionieren. In der deklarativen Konfigurationssprache HCL (HashiCorp Configuration Language) wird der gew\u00fcnschte Zustand einer cloudbasierten oder lokalen Infrastruktur beschrieben. Anschlie\u00dfend kann Terraform daraus einen Plan erstellen um die Infrastruktur bereitzustellen. Terraform hat viele Vorteile st\u00f6\u00dft aber in bestimmten Bereichen auf Einschr\u00e4nkungen. Terragrunt erweitert Terraform, indem es das Wiederverwenden und Organisieren von Terraform-Konfigurationen erleichtert. Es bietet eine einheitliche Struktur f\u00fcr Projekte mit mehreren Umgebungen und verbessert den Umgang mit Remote States und Modulen. Zudem kann Terragrunt die Abh\u00e4ngigkeiten zwischen mehreren Modulen automatisch aufl\u00f6sen.<\/p>\n\n\n\n

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Terraform Projekt Struktur<\/h2>\n\n\n\n

Vereinfachtes Beispiel einer Projektstruktur mit zwei oder mehr Modulen.<\/p>\n\n\n\n

\u251c\u2500\u2500 environments\n\u2502   \u251c\u2500\u2500 dev\n\u2502   \u2502   \u251c\u2500\u2500 main.tf\n\u2502   \u2502   \u251c\u2500\u2500 outputs.tf\n\u2502   \u2502   \u251c\u2500\u2500 provider.tf\n\u2502   \u2502   \u2514\u2500\u2500 variables.tf\n\u2502   \u2514\u2500\u2500 prod\n\u2502       \u251c\u2500\u2500 main.tf\n\u2502       \u251c\u2500\u2500 outputs.tf\n\u2502       \u251c\u2500\u2500 provider.tf\n\u2502       \u2514\u2500\u2500 variables.tf\n\u2514\u2500\u2500 modules\n   \u251c\u2500\u2500 ec2\n   \u2502   \u251c\u2500\u2500 main.tf\n   \u2502   \u251c\u2500\u2500 outputs.tf\n   \u2502   \u2514\u2500\u2500 variables.tf\n   \u2514\u2500\u2500 network\n       \u251c\u2500\u2500 main.tf\n       \u251c\u2500\u2500 outputs.tf\n       \u2514\u2500\u2500 variables.tf<\/code><\/pre>\n\n\n\n
In reinen Terraform Projekten wird f\u00fcr jede Umgebung ein separates Environment Modul (dev, prod) erstellt, in das die geteilten Module (ec2, network) geladen werden. Da die unterschiedlichen Umgebungen bis auf die geteilten Module keine gemeinsame Codebasis haben entstehen sehr leicht Abweichungen zwischen den redundanten Code Teilen. Die Dateien (main.tf, outputs.tf, provider.tf, variables.tf)<\/code> werden meist doppelt oder mehrfach gepflegt.<\/p>\n<\/div>\n\n\n\n
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Terragrunt Projekt Struktur<\/h2>\n\n\n\n
Vereinfachte Projektstruktur mit zwei oder mehr Modulen.<\/p>\n\n\n\n
|\u2500\u2500 live\n|    \u251c\u2500\u2500 terragrunt.hcl\n|    \u251c\u2500\u2500 _env\n|    \u2502   \u251c\u2500\u2500 ec2.hcl\n|    \u2502   \u251c\u2500\u2500 network.hcl\n|    \u2502   \u2514\u2500\u2500 provider.hcl\n|    \u251c\u2500\u2500 prod\n|    \u2502   \u251c\u2500\u2500 env.hcl\n|    \u2502   \u251c\u2500\u2500 app\n|    \u2502   \u2502   \u2514\u2500\u2500 terragrunt.hcl\n|    \u2502   \u2514\u2500\u2500 mysql\n|    \u2502       \u2514\u2500\u2500 terragrunt.hcl\n|    \u2514\u2500\u2500 dev\n|        \u251c\u2500\u2500 env.hcl\n|        \u251c\u2500\u2500 ec2\n|        \u2502   \u2514\u2500\u2500 terragrunt.hcl\n|        \u2514\u2500\u2500 network\n|            \u2514\u2500\u2500 terragrunt.hcl\n\u2514\u2500\u2500 modules\n   \u251c\u2500\u2500 ec2\n   \u2502   \u251c\u2500\u2500 main.tf\n   \u2502   \u251c\u2500\u2500 outputs.tf\n   \u2502   \u2514\u2500\u2500 variables.tf\n   \u2514\u2500\u2500 network\n       \u251c\u2500\u2500 main.tf\n       \u251c\u2500\u2500 outputs.tf\n       \u2514\u2500\u2500 variables.tf<\/code><\/pre>\n\n\n\n
Mit Terragrunt k\u00f6nnen Code Duplikate zwischen mehreren Umgebungen sehr effektiv vermieden werden. Im Ordner _env<\/code> wird die gemeinsame Code Basis parametrisiert definiert. Anschlie\u00dfend werden die Code Module aus _env<\/code> in den Umgebungen (prod, dev) geladen und mit den Umgebungsspezifischen Parametern aus <env>\/env.hcl<\/code> konfiguriert.<\/p>\n<\/div>\n<\/div>\n\n\n\n
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Nachteile von Terraform<\/h2>\n\n\n\n
Wiederverwendbarkeit und Modularit\u00e4t<\/h3>\n\n\n\n
Terraform bietet die M\u00f6glichkeit Code in Modulen Wiederverwendbar zu organisieren. Allerdings wird das Verwalten und Verwenden vieler verschiedener Module in komplexen Infrastrukturumgebungen mit mehren Stages, wie z.B. Dev, Test und Prod, in der Handhabung herausfordernd.<\/p>\n\n\n\n
State File Management<\/h3>\n\n\n\n
Terraform speichert den aktuellen Status der gesamten Infrastruktur in einem gemeinsamen state file. In Umgebungen mit mehreren Modulen und Teams kann es durch ein zentrales state file zu Probleme kommen. Wenn mehrere Teammitglieder an verschiedenen Modulen arbeiten kommt es so leicht zu Race Conditions bei denen das State File zeitweise gelockt wird.<\/p>\n\n\n\n
Code Duplikation und Konfiguration verschiedener Umgebungen<\/h3>\n\n\n\n
Terraform hat keine native Unterst\u00fctzung f\u00fcr die automatische Konfiguration \u00fcber Umgebungen hinweg (z.B. dev, staging, production). Der Entwickler muss selbst komplexe L\u00f6sungen mit Variablen oder anderen Mechanismen bauen. Bei der Arbeit in mehreren Umgebungen neigt man dazu, Konfigurationen zu duplizieren, da Terraform keine out-of-the-box L\u00f6sung f\u00fcr den Umgang mit mehreren Umgebungen bietet. Dies f\u00fchrt zu redundanten Konfigurationen und erschwert die Wartung.<\/p>\n\n\n\n
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Vorteile von Terragrunt als Wrapper<\/h2>\n\n\n\n
Terragrunt ist ein Wrapper um Terraform und adressiert einige dieser Schw\u00e4chen:<\/p>\n\n\n\n
Verwaltung von Umgebungen und DRY-Prinzip<\/h3>\n\n\n\n
Terragrunt unterst\u00fctzt eine bessere Strukturierung von Terraform-Code, indem es das DRY-Prinzip („Don’t Repeat Yourself“) f\u00f6rdert. Anstatt Konfigurationen f\u00fcr verschiedene Umgebungen zu duplizieren, bietet Terragrunt Mechanismen, um Variablen und Infrastruktur f\u00fcr verschiedene Umgebungen effizient zu verwalten. Es vereinfacht die Handhabung von gemeinsamen Konfigurationen, indem man eine einzige Konfigurationsdatei nutzt und nur umgebungsspezifische Werte \u00fcberschreibt.<\/p>\n\n\n\n
Docs: https:\/\/terragrunt.gruntwork.io\/docs\/features\/keep-your-terraform-code-dry\/<\/a><\/p>\n\n\n\n
Dependency Management<\/h3>\n\n\n\n
In komplexen Terraform-Setups gibt es oft Abh\u00e4ngigkeiten zwischen verschiedenen Modulen (z.B. ein Netzwerk muss vor einer Datenbank bereitgestellt werden). In Terragrunt k\u00f6nnen Abh\u00e4ngigkeiten zwischen Modulen explizit definiert werden um diese automatisch in der richtigen Reihenfolge auszuf\u00fchren.<\/p>\n\n\n\n
Docs: https:\/\/terragrunt.gruntwork.io\/docs\/reference\/config-blocks-and-attributes\/#dependency<\/a><\/p>\n\n\n\n
Automatisiertes State Management- und Provider-Konfiguration<\/h3>\n\n\n\n
Anstatt in jedem Modul dieselbe State Backend- und Provider-Konfiguration zu duplizieren, kann Terragrunt diese Konfiguration automatisch einf\u00fcgen. Das reduziert redundanten Code in Terraform-Konfigurationsdateien und vereinfacht die Verwaltung.<\/p>\n\n\n\n
State Backend Konfiguration<\/h4>\n\n\n\n
Terragrunt unterst\u00fctzt die automatische Verwaltung von state files f\u00fcr verschiedene Module und Umgebungen. Terragrunt kann state files pro Umgebung und Modul isolieren, indem es sie beispielsweise automatisch in unterschiedlichen S3-Buckets speichert (f\u00fcr AWS) oder in geeignete Storage-L\u00f6sungen wie Gitlab Remote State Backend integriert.<\/p>\n\n\n\n
Im folgenden Beispiel wird ein Template f\u00fcr das Gitlab HTTP Backend definiert.<\/p>\n\n\n\n
backend_http_gitlab.hcl<\/span><\/path><\/path><\/svg><\/span>
locals<\/span> {<\/span><\/span>\n  <\/span>\/\/ read the env vars<\/span><\/span>\n  env_locals<\/span>        <\/span>=<\/span> <\/span>read_terragrunt_config<\/span>(<\/span>find_in_parent_folders<\/span>(<\/span>"<\/span>${<\/span>get_original_terragrunt_dir<\/span>()<\/span>}<\/span>\/..\/env.hcl"<\/span>))<\/span><\/span>\n  <\/span>\/\/ evaluate the gitlab url<\/span><\/span>\n  gitlab_url_eval<\/span>   <\/span>=<\/span> <\/span>can<\/span>(local<\/span>.<\/span>env_locals<\/span>.<\/span>locals<\/span>.<\/span>gitlab_url) <\/span>?<\/span> local<\/span>.<\/span>env_locals<\/span>.<\/span>locals<\/span>.<\/span>gitlab_url : <\/span>"https:\/\/gitlab.com"<\/span><\/span>\n  gitlab_project_id<\/span> <\/span>=<\/span> <\/span>local<\/span>.<\/span>env_locals<\/span>.<\/span>locals<\/span>.<\/span>gitlab_project_id<\/span><\/span>\n}<\/span><\/span>\n<\/span>\nremote_state<\/span> {<\/span><\/span>\n  backend<\/span> <\/span>=<\/span> <\/span>"http"<\/span><\/span>\n  generate<\/span> <\/span>=<\/span> <\/span>{<\/span><\/span>\n    path      <\/span>=<\/span> <\/span>"backend_http_gitlab.tf"<\/span><\/span>\n    if_exists <\/span>=<\/span> <\/span>"overwrite_terragrunt"<\/span><\/span>\n  }<\/span><\/span>\n  config<\/span> <\/span>=<\/span> <\/span>{<\/span><\/span>\n    address        <\/span>=<\/span> <\/span>"<\/span>${<\/span>local<\/span>.<\/span>gitlab_url_eval<\/span>}<\/span>\/api\/v4\/projects\/<\/span>${<\/span>local<\/span>.<\/span>env_locals<\/span>.<\/span>locals<\/span>.<\/span>gitlab_project_id<\/span>}<\/span>\/terraform\/state\/<\/span>${<\/span>local<\/span>.<\/span>env_locals<\/span>.<\/span>locals<\/span>.<\/span>env<\/span>}<\/span>_<\/span>${<\/span>basename<\/span>(<\/span>get_original_terragrunt_dir<\/span>())<\/span>}<\/span>"<\/span><\/span>\n    lock_address   <\/span>=<\/span> <\/span>"<\/span>${<\/span>local<\/span>.<\/span>gitlab_url_eval<\/span>}<\/span>\/api\/v4\/projects\/<\/span>${<\/span>local<\/span>.<\/span>env_locals<\/span>.<\/span>locals<\/span>.<\/span>gitlab_project_id<\/span>}<\/span>\/terraform\/state\/<\/span>${<\/span>local<\/span>.<\/span>env_locals<\/span>.<\/span>locals<\/span>.<\/span>env<\/span>}<\/span>_<\/span>${<\/span>basename<\/span>(<\/span>get_original_terragrunt_dir<\/span>())<\/span>}<\/span>\/lock"<\/span><\/span>\n    unlock_address <\/span>=<\/span> <\/span>"<\/span>${<\/span>local<\/span>.<\/span>gitlab_url_eval<\/span>}<\/span>\/api\/v4\/projects\/<\/span>${<\/span>local<\/span>.<\/span>env_locals<\/span>.<\/span>locals<\/span>.<\/span>gitlab_project_id<\/span>}<\/span>\/terraform\/state\/<\/span>${<\/span>local<\/span>.<\/span>env_locals<\/span>.<\/span>locals<\/span>.<\/span>env<\/span>}<\/span>_<\/span>${<\/span>basename<\/span>(<\/span>get_original_terragrunt_dir<\/span>())<\/span>}<\/span>\/lock"<\/span><\/span>\n    lock_method    <\/span>=<\/span> <\/span>"POST"<\/span><\/span>\n    unlock_method  <\/span>=<\/span> <\/span>"DELETE"<\/span><\/span>\n    retry_wait_min <\/span>=<\/span> <\/span>5<\/span><\/span>\n    username       <\/span>=<\/span> <\/span>"<\/span>${<\/span>get_env<\/span>("TF_HTTP_USERNAME")<\/span>}<\/span>"<\/span><\/span>\n    <\/span>\/\/ the env variable TF_HTTP_PASSWORD is evaluated at runtime, i do not recommend to save it for security reasons<\/span><\/span>\n  }<\/span><\/span>\n}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
Docs: https:\/\/terragrunt.gruntwork.io\/docs\/reference\/config-blocks-and-attributes\/#remote_state<\/a><\/p>\n\n\n\n
<\/p>\n\n\n\n
In der root terragrunt.hcl<\/code> Datei wird das in env.hcl<\/code> definierte Terraform Backend geladen.<\/p>\n\n\n\n
terragrunt.hcl<\/span><\/path><\/path><\/svg><\/span>
locals<\/span> {<\/span><\/span>\n  env_locals<\/span>                <\/span>=<\/span> <\/span>read_terragrunt_config<\/span>(<\/span>find_in_parent_folders<\/span>(<\/span>"env.hcl"<\/span>))<\/span><\/span>\n  tflint_hook_enabled<\/span>       <\/span>=<\/span> <\/span>get_env<\/span>(<\/span>"DISABLE_TFLINT_HOOK"<\/span>, <\/span>"false"<\/span>) <\/span>==<\/span> <\/span>"true"<\/span> <\/span>?<\/span> <\/span>false<\/span> : <\/span>true<\/span><\/span>\n  trivy_hook_enabled<\/span>        <\/span>=<\/span> <\/span>get_env<\/span>(<\/span>"DISABLE_TRIVY_HOOK"<\/span>, <\/span>"false"<\/span>) <\/span>==<\/span> <\/span>"true"<\/span> <\/span>?<\/span> <\/span>false<\/span> : <\/span>true<\/span><\/span>\n  backend_target_evaluation<\/span> <\/span>=<\/span> <\/span>can<\/span>(local<\/span>.<\/span>env_locals<\/span>.<\/span>locals<\/span>.<\/span>state_backend) <\/span>?<\/span> local<\/span>.<\/span>env_locals<\/span>.<\/span>locals<\/span>.<\/span>state_backend : <\/span>"local"<\/span><\/span>\n  backend_target<\/span>            <\/span>=<\/span> <\/span>contains<\/span>([<\/span>"http_gitlab"<\/span>, <\/span>"local"<\/span>], local<\/span>.<\/span>backend_target_evaluation) <\/span>?<\/span> local<\/span>.<\/span>backend_target_evaluation : <\/span>"local"<\/span><\/span>\n  backend_config<\/span>            <\/span>=<\/span> <\/span>read_terragrunt_config<\/span>(<\/span>find_in_parent_folders<\/span>(<\/span>"backend_<\/span>${<\/span>local<\/span>.<\/span>backend_target<\/span>}<\/span>.hcl"<\/span>))<\/span><\/span>\n}<\/span><\/span>\n<\/span>\nremote_state<\/span> {<\/span><\/span>\n  backend<\/span>  <\/span>=<\/span> <\/span>local<\/span>.<\/span>backend_config<\/span>.<\/span>remote_state<\/span>.<\/span>backend<\/span><\/span>\n  config<\/span>   <\/span>=<\/span> <\/span>local<\/span>.<\/span>backend_config<\/span>.<\/span>remote_state<\/span>.<\/span>config<\/span><\/span>\n  generate<\/span> <\/span>=<\/span> <\/span>local<\/span>.<\/span>backend_config<\/span>.<\/span>remote_state<\/span>.<\/span>generate<\/span><\/span>\n}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
Provider Konfiguration<\/h4>\n\n\n\n
Terragrunt erm\u00f6glicht eine vereinfachte Provider Konfigurationen in verschiedenen Umgebungen und Modulen. Dabei k\u00f6nnen die Provider Konfigurationen automatisch abh\u00e4ngig von der aktuellen Umgebung erzeugt werden.
Im Beispiel von provider_aws_config.hcl<\/code> wird eine AWS Provider Konfiguration generiert. Alle Parameter werden aus der env.hcl<\/code> Datei der jeweiligen Umgebung (dev, staging, prod) geladen.<\/p>\n\n\n\n
provider_aws_config.hcl<\/span><\/path><\/path><\/svg><\/span>
locals<\/span> {<\/span><\/span>\n  env<\/span> <\/span>=<\/span> <\/span>read_terragrunt_config<\/span>(<\/span>find_in_parent_folders<\/span>(<\/span>"env.hcl"<\/span>))<\/span><\/span>\n}<\/span><\/span>\n<\/span>\ngenerate<\/span> <\/span>"aws"<\/span> {<\/span><\/span>\n  path<\/span>      <\/span>=<\/span> <\/span>"provider_aws.tf"<\/span><\/span>\n  if_exists<\/span> <\/span>=<\/span> <\/span>"overwrite_terragrunt"<\/span><\/span>\n  contents<\/span>  <\/span>=<\/span> <\/span><<-EOF<\/span><\/span>\n     provider "aws" {<\/span><\/span>\n        default_tags {<\/span><\/span>\n          tags = {<\/span><\/span>\n            Environment = "<\/span>${<\/span>local<\/span>.<\/span>env<\/span>.<\/span>locals<\/span>.<\/span>env<\/span>}<\/span>"<\/span><\/span>\n          }<\/span><\/span>\n        }<\/span><\/span>\n        region  = "<\/span>${<\/span>local<\/span>.<\/span>env<\/span>.<\/span>locals<\/span>.<\/span>region<\/span>}<\/span>"<\/span><\/span>\n        profile = "<\/span>${<\/span>get_env<\/span>("AWS_PROFILE", "<\/span>${<\/span>local<\/span>.<\/span>env<\/span>.<\/span>locals<\/span>.<\/span>aws_profile<\/span>}<\/span>")<\/span>}<\/span>"<\/span><\/span>\n        allowed_account_ids = ["<\/span>${<\/span>get_env<\/span>("AWS_ACCOUNT_ID", "<\/span>${<\/span>local<\/span>.<\/span>env<\/span>.<\/span>locals<\/span>.<\/span>aws_account_id<\/span>}<\/span>")<\/span>}<\/span>"]<\/span><\/span>\n     }<\/span><\/span>\n  EOF<\/span><\/span>\n}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
<\/p>\n\n\n\n
Die AWS Provider Konfiguration kann anschlie\u00dfend mit einem include Block in den Modulen geladen werden.<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
include<\/span> <\/span>"provider_vault_config"<\/span> {<\/span><\/span>\n  path<\/span>   <\/span>=<\/span> <\/span>"<\/span>${<\/span>get_terragrunt_dir<\/span>()<\/span>}<\/span>\/..\/..\/_env\/provider_aws_config.hcl"<\/span><\/span>\n  expose<\/span> <\/span>=<\/span> <\/span>true<\/span><\/span>\n}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
Docs: https:\/\/terragrunt.gruntwork.io\/docs\/reference\/config-blocks-and-attributes\/#include<\/a><\/p>\n\n\n\n
Hooks<\/h3>\n\n\n\n
In Terragrunt k\u00f6nnen Hooks definiert werden die z.B. trivy, tflint oder terraform fmt bei jeder Ausf\u00fchrung von terraform plan\/apply getriggert werden. Durch das sofortige Feedback bei der Entwicklung, kann die Code Qualit\u00e4t deutlich erh\u00f6ht werden.<\/p>\n\n\n\n
<\/path><\/path><\/svg><\/span>
terraform<\/span> {<\/span><\/span>\n  <\/span>before_hook<\/span> <\/span>"terraform_fmt"<\/span> {<\/span><\/span>\n    commands<\/span> <\/span>=<\/span> <\/span>[<\/span>"apply"<\/span>, <\/span>"plan"<\/span>]<\/span><\/span>\n    execute<\/span>  <\/span>=<\/span> <\/span>[<\/span>"terraform"<\/span>, <\/span>"fmt"<\/span>, <\/span>"-recursive"<\/span>]<\/span><\/span>\n  }<\/span><\/span>\n  <\/span>before_hook<\/span> <\/span>"terragrunt_hclfmt"<\/span> {<\/span><\/span>\n    commands<\/span> <\/span>=<\/span> <\/span>[<\/span>"apply"<\/span>, <\/span>"plan"<\/span>]<\/span><\/span>\n    execute<\/span>  <\/span>=<\/span> <\/span>[<\/span>"terragrunt"<\/span>, <\/span>"hclfmt"<\/span>]<\/span><\/span>\n  }<\/span><\/span>\n  <\/span>before_hook<\/span> <\/span>"tflint"<\/span> {<\/span><\/span>\n    commands<\/span> <\/span>=<\/span> <\/span>local<\/span>.<\/span>tflint_hook_enabled <\/span>?<\/span> [<\/span>"apply"<\/span>, <\/span>"plan"<\/span>] : []<\/span><\/span>\n    execute<\/span>  <\/span>=<\/span> <\/span>[<\/span>"tflint"<\/span>]<\/span><\/span>\n  }<\/span><\/span>\n  <\/span>before_hook<\/span> <\/span>"trivy"<\/span> {<\/span><\/span>\n    commands<\/span> <\/span>=<\/span> <\/span>local<\/span>.<\/span>trivy_hook_enabled <\/span>?<\/span> [<\/span>"apply"<\/span>, <\/span>"plan"<\/span>] : []<\/span><\/span>\n    execute<\/span>  <\/span>=<\/span> <\/span>[<\/span>"trivy"<\/span>, <\/span>"config"<\/span>, <\/span>"."<\/span>]<\/span><\/span>\n  }<\/span><\/span>\n}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
Docs: https:\/\/terragrunt.gruntwork.io\/docs\/features\/hooks<\/a><\/p>\n\n\n\n
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Fazit<\/h2>\n\n\n\n
Terraform ist ein sehr leistungsf\u00e4higes Tool zur Verwaltung von Infrastruktur, st\u00f6\u00dft jedoch bei der Handhabung von State-Dateien, der Modularit\u00e4t und der Verwaltung von Umgebungen an Grenzen. Terragrunt wurde entwickelt, um diese Schw\u00e4chen zu beheben, insbesondere durch Verbesserungen bei der Wiederverwendbarkeit, dem State Management und dem Umgang mit Abh\u00e4ngigkeiten. Durch den Einsatz von Terragrunt in meinen Projekten konnte ich die Code Qualit\u00e4t deutlich erh\u00f6hen und Komplexit\u00e4t reduzieren.<\/p>\n","protected":false},"excerpt":{"rendered":"
Terraform is one of the top IaC (Infrastructure as Code) tools. With Terraform, developers can create, change and version infrastructure safely and efficiently. The declarative configuration language HCL (HashiCorp Configuration Language) describes the desired state of a cloud-based or local infrastructure. Terraform can then use this to create a plan to deploy the infrastructure. Terraform has many advantages...<\/p>\n
Read More<\/a><\/p>","protected":false},"author":1,"featured_media":449,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[45,41],"tags":[50,51],"class_list":["post-327","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-infrastructure-as-code","category-terraform","tag-terraform","tag-terragrunt"],"yoast_head":"\nTerragrunt - the missing Terraform Part - Carl-Christian Sautter<\/title>\n<meta name=\"description\" content=\"Terragrunt \u2665 Terraform? Umsetzung einer optimierten Terraform Projekt Struktur mit Terragrunt inkl. 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Code: https:\/\/github.com\/csautter\/terragrunt-blueprint\/blob\/main\/deployments\/terraform\/terragrunt.hcl<\/a><\/p>\n\n\n\n
Code: https:\/\/github.com\/csautter\/terragrunt-blueprint\/blob\/main\/deployments\/terraform\/env\/dev\/aws_dummy\/terragrunt.hcl<\/a><\/p>\n\n\n\n
Code: https:\/\/github.com\/csautter\/terragrunt-blueprint\/blob\/main\/deployments\/terraform\/env\/_env\/provider_aws_config.hcl<\/a><\/p>\n\n\n\n
Code: https:\/\/github.com\/csautter\/terragrunt-blueprint\/blob\/main\/deployments\/terraform\/terragrunt.hcl<\/a><\/p>\n\n\n\n
Code: https:\/\/github.com\/csautter\/terragrunt-blueprint\/blob\/main\/deployments\/terraform\/backend_http_gitlab.hcl<\/a><\/p>\n\n\n\n