within a single source repository. Why Terraform Cloud? For modules hosted in other registries, prefix the source address with an Created: September-05, 2022 . that other sources are: the files are already present on local disk (possibly module source address. We support other sources so that you can potentially distribute This allows you to organize your Terraform configuration into modules within one repository, for example: Updates for file paths are automatic: when "downloading" the module using the get command, Terraform will create a symbolic link to the original directory. Can plants use Light from Aurora Borealis to Photosynthesize? This is the most common way to access non-public Git to download the source code to a directory on local disk so that other Terraform commands can use it. if any, to allows using HTTP URLs as a sort of "vanity redirect" over a more complicated Im using HTTPS with the OAuth 2.0 authorization framework for my GitLab environment. I have configured an example repository in my GitLab environment named site-deploy. Jordan, terraform modules source: variable support in source for git username. Run terraform get -update=true to get the latest version of the branch. I'm curious to know if the Gerrit server you mentioned here is used exclusively for Terraform, or if you are using it with some other ecosystems that also support direct Git URLs for dependencies, and if so if any of those systems have a good solution to the problem of swapping out different usernames that we could take inspiration from in Terraform. This module is meant for use with consul-terraform-sync >= 0.1.0 and Terraform >= 0.13.. Usage. Contribute to bajogab2/Terraform-Modules development by creating an account on GitHub. Terraform will treat that in a similar way as a remote module and copy it into via the built-in feature from Terraform Cloud, or by running a custom Registry modules support versioning. In the interests of gathering as much context as possible about this problem so we can weigh various options, I have a further question: Terraform is currently following the same practices as several other language ecosystems such as the ones I mentioned in my earlier comment (Go and npm) of allowing literal Git URLs for dependencies without any means to override them or customize them. @apparentlymart I know in this quote you're specifically talking about how terraform handles git authentication and not all variables in the source, but per your comment on #30546 I was redirected here and wanted to highlight how this doesn't hold for all use cases: A huge point of friction for my current org and my past org is that there's no way to specify a module dependency for an entire project/module, and if we're using git refs as a module version it needs to be copied into every single module.source we write. path is intended, to distinguish from special git:: prefix. The list may appear long, but everything is optional except for the root module. use any of the following methods to set Google Cloud Platform credentials: When the source of a module is a version control repository or archive file Is any elementary topos a concretizable category? You can select a non-default branch or tag using the optional ref argument: When you use an HTTP or HTTPS URL, Terraform will make a GET request to Find centralized, trusted content and collaborate around the technologies you use most. When I call terraform init in and I have references to a module via HTTPS Git protocol I get the following message: It's even more interesting when you have a referenced module that uses SSH and HTTPS protocol for Git to other modules, which are sometimes out of your direct control. So it should be: module "example" { source = "github.com/cloudposse/terraform-example-module.git?ref=master" example = "Hello world!" } Share Improve this answer Follow answered Jan 23, 2021 at 5:51 Marcin 188k 12 166 229 Add a comment Your Answer This can be handy when you are rapidly iterating on a module in development. It'd be a heck of a lot more DRY to have one module defined that pulls its source in a disaster-resilient way. community. prefix, followed by What is the difference between 'git pull' and 'git fetch'? use a URL-like syntax, but with extensions to support unambiguous selection see the documentation for using it in curl. As documented in the Usage section, the only required parameter when using a module is source. so it will respect any local Mercurial configuration set on your system, For git hosted repositories, this means using a protected, non-default branch or a tag version when loading a module. Terraform manages modules for you: it downloads them, organizes them on disk, checks for updates, etc. Which I guess is what terraform is doing! the local module cache. First, in your project root, create a new directory to store your modules named modules: bash $ mkdir modules && cd modules Furthermore, in the case of dependencies that are not published in the registry the package.json file also serves to create a local mapping table from registry-like names to other sources such as Git URLs. For example, in my .gitconfig I have the following setting: This tells Git that whenever I (or some other software such as Terraform on my behalf) runs git clone https://github.com/ it should instead use git@github.com: as the remote address. private registry, either Terraform Cloud executes the Terraform configuration and provisions cloud resources. To clone over SSH, use the For a private registry A server-wide setup would require to hardcode the ci user in the auto-provisioning script, this is not good. Registry modules support versioning. The Terraform Registry is an index of modules written by the Terraform community. All you need to do is after the ref= .. instead of mentioning the tag, mention the branch name. This is known as a monorepo.. My understanding is that in the NodeJS ecosystem each package has one package.json file which specifies in a single location which version of each dependency to use. See the documentation for generic Git repositories for more information. If you do have 2 refs that are ambiguous then Git will error and tell you that it's an ambiguous ref and force you to specify the full ref using refs/heads/branch-name or refs/tags/tag-name. repositories from automated systems because it allows access to private marks the beginning of a port number, rather than the beginning of the path. include that directory in the module source. The syntax is simple: Subdirectories within the repository can also be referenced: These will fetch the modules using HTTPS. Publish a Terraform module by using CI/CD The module installer uses Google Cloud SDK to authenticate with GCS. Contribute to Pocket/terraform-modules development by creating an account on GitHub. I know this has been discussed in the past already, and th. Terraform installs modules from Git repositories by running git clone, and so it will respect any local Git configuration set on your system, including credentials. token in the CLI config. across multiple configurations, using a Terraform-specific protocol that ref argument. You signed in with another tab or window. You can also use a So how did you construct the url . It is convenient to be able to declare registry-module-style "aliases" for remote sources such as Git URLs, similarly to centralize the actual URL in a single place in a module and use it only by the declared symbolic name elsewhere in that module. Currently this is a git repo http link that points to a library of resources that are used across different projects. An additional GET parameter, terraform-get=1, will be appended, allowing you to optionally render the page differently when Terraform is requesting it. One thing we have looked at doing is leveraging a GitLab deploy token but I'm not sure how we could do this since we wouldn't want to hard code the credentials in. Terraform modules internally with existing infrastructure. GitHub source URLs require that Git is installed on your system and that you have access to the repository. This makes sense the repository is private, after all. Can anyone link here to the area in the code : My logic tells me that input variables or var-files would be similar if not identical to the input of the rest of the configuration. so it will respect any local Git configuration set on your system, including The value of source in this case should be a complete Mercurial-compatible URL. To access the bucket you must have appropriate AWS credentials in your configuration or available via shared credentials or environment variables. Which is not an option for a Self Hosted Runner. To be able to use our modules directly from Git, the first thing we need to do is amend our Terraform configurations that call those modules to reference Git instead. For HTTP URLs, Terraform will make a GET request to the given URL. See, On your computer, you can make your Google identity available by running. A module registry is the native way of distributing Terraform modules for use The syntax is simple: module "consul" { source = "github.com/hashicorp/example" } Subdirectories within the repository can also be referenced: module "consul" { source = "github.com/hashicorp/example//subdir" } We recommend placing each module that is intended to be re-usable in the root 1 Answer Sorted by: 4 There shouldn't be https:// at the beginning. If your Terraform configuration will be used within Terraform Cloud, Using generic Git repositories requires that Git is installed on your system. As a special case, if Terraform detects that the URL has a common file The URLs for Git repositories support the following query parameters: Generic Mercurial repositories are supported. Git needs to know when and where to use the token when checking out code from a private repository. The fine folks at tflint agree. By using a // at the end of the source location, I can instruct Terraform to checkout a specific folder to satisfy my requirements. Read the section on GitHub community articles Repositories; Topics Trending . Fortunately, it is entirely possible to use private git repositories for Terraform modules. It might interest you to know that Git itself has a feature that addresses a variant of this use-case: turning references to unauthenticated URLs that might appear in locations like Terraform configuration, npm modules, Go modules, etc into authenticated ones with a username of your choice. So my needs would be for an ability to optionally pass a PAT on terraform CLI (or other similar mechanisms), and it will use it when checking out any GitHub references that use HTTPS. We understand that there is friction here but in order to make further progress we need to understand what makes Terraform different than the other systems with the same design (that is: dependencies are specified statically rather than dynamically, and are installed prior to runtime), why the git configuration solution can work for those ecosystems but not for Terraform, and ideally examples of other ecosystems which have a different solution to this problem. To access modules from a private registry, you may need to configure an access What sorts of powers would a superhero and supervillain need to (inadvertently) be knocking down skyscrapers? Why does sending via a UdpClient cause subsequent receiving to fail? ), Where I can specify input arguments? In this post, I start with an overview of Terraform module sources and the various methods for supplying git credentials. Our CI environment owns such a bucket, and is parameterised and able to be deployed to a bunch of independent environments, but all other infrastructure that needs the TF modules in one of those registry-buckets end up having the GCS location hard coded since we can't have variables in module sources. services that mimic the S3 API, as long as they handle authentication in the Any other way I've tried to do it results in "access denied" error. Each of these is described in the following sections. Terraform cannot detect a supported external module source type. to reduce the time taken to retrieve the remote repository. (generically, a "package"), the module itself may be in a sub-directory relative Frankly speaking would be much better having the feature on terraform, I'm sure you'll find many other use cases in which custom setup on the git repository won't work very well, especially since you always combine multiple tools together to achieve a full automation. credentials. 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