I need help with sourcing terraform modules from a gitlab repository with multiple modules in it like ec2, vpc etc. While I don't consider that an ideal solution, it feels to me like the best compromise to give better feedback here without risk of breaking the v1.0 Compatibility Promises. In practice there's very little that, // go-getter doesn't consider invalid input, so even invalid, // nonsense will probably interpreted as _something_ here, // and then fail during installation instead. My version is well present in the registry. The above explains why Terraform returns an unhelpful error in this situation, but it doesn't explain why the "remote system" portion of the address (what we previously called "provider", but never actually enforced it being a provider name in practice) has a more restrictive validation rule than the other two parts. Checking the version. Many users will configure only one, for either . One additional constraint which they don't seem to mention, is that the system path segment for external hosts must not contain any dashes for compatibility with various systems. In Terraform, you can use modules to define a reusable collection of resources. It's also recommended to specify a version. This could be a malformed file, or it could be one thats already been upgraded to 0.12 (so its already fine) either way, we cant do anything useful, so lets skip it: Errors should never pass silently, so I dont want to ignore those files completely, but sending the message to stderr means its separate from other output from print(). I don't have a strong opinion on the answer to this question right now; I think it'd be worth doing some research into how existing modules are being classified and what motivated those classifications. Over in #30053 I've implemented the partial solution I described above of using the presence of the version argument as a heuristic to show a registry-address-specific error message instead of treating an invalid registry address as if it were a direct remote module source. Terraform init sequence (with TF_LOG=trace). This means the file has invalid Terraform syntax, so pyhcl cant parse it. Module Sources | Terraform | HashiCorp Developer Now we have the modules, we can loop over them and check the source field. Have a question about this project? module "consul" { source = "hashicorp/consul/aws" version = "0.1.0" } such as module.foo[0]. With all of this said, it does seem like our compatibility promises may be a practical blocker for any change to the registry module address syntax, and so we might find that the best we can do here is just document that requirement more explicitly in all of the relevant places, including in the module registry protocol documentation. If that parser fails then unfortunately we end up reporting its error, which is typically of much lower quality because go-getter was designed under the principle of guessing what the input probably meant, rather than of giving good feedback about ambiguous input. Each implementation of the module registry protocol could potentially impose additional constraints on names beyond the ones Terraform CLI itself imposes, but if that is causing a problem then that would be something to fix in whatever registry is imposing the undesirable extra rules, rather than something to be fixed in Terraform CLI itself. To address all resources of a particular module instance, include the module index in the address, The public registry has no such module available. Tags such as 'VirtualNetwork', 'AzureLoadBalancer' and 'Internet' can also be used. If you like what I do, perhaps say thanks? It walks a directory tree, and generates tuples (dirpath, dirnames, filenames) for each directory dirpath in the tree, what directories and files does it contain? Build and Use a Local Module | Terraform - HashiCorp Learn Troubleshoot Terraform | Terraform - HashiCorp Learn What led you to try installing this module with provider gcp-beta? Tags may not be used. One particular concern is that it might cause existing modules containing legacy-style filesystem paths (which go-getter is currently handling) to be understood instead as containing module registry paths, which would be a breaking change not permitted under the Terraform 1.0 Compatibility Promises. Maybe its in the Terraform Registry, or a GitHub repo, or a local path. Using Private Git Repositories as Terraform Modules Instead, it falls through to the external package address parser. Create a file called main.tf file with the following contents. I hope that (aside from the error I described above) the commentary here is useful in thinking through some of the implications of doing so. in any descendent module. The new version has some breaking changes, including a new version of HCL, the markup language used to write Terraform code. Modules on the public Terraform Registry can be referenced using a registry source address of the form <NAMESPACE>/<NAME>/<PROVIDER>, with each module's information page on the registry site including the exact address to use. By clicking Sign up for GitHub, you agree to our terms of service and Can't download a module on a registry for a provider with a hyphen, // For historical reasons, whether an address is a registry, // address is defined only by whether it can be successfully, // parsed as one, and anything else must fall through to be, // parsed as a direct remote source, where go-getter might, // then recognize it as a filesystem path. privacy statement. Module Sources - Terraform - W3cubDocs Its a tiny change, and backwards-compatible with 0.11, so it wont break anything. Because theres only one loop, I can process one file and then break. The final bit of context I want to capture here is that elsewhere in the Terraform language we typically assume providers will have local names consisting entirely of letters and digits (but don't require it, IIRC). without a module path prefix would match resources with the same type and name Validate your configuration terraform fmt only parses your HCL for interpolation errors or malformed resource definitions, which is why you should use . module "hello" {. If you have more questions, feel free to use the community forum where there are more people ready to help. Have a question about this project? 2020/04/14 21:01:09 [DEBUG] Using modified User-Agent: Terraform/.12.20 TFE/v202003-1 Error: Provider configuration not present To work with module.xxxx.infoblox_record_host.host its original provider configuration at module.xxxx.provider.infoblox.abc01 is required, but it has been removed. I went in and fixed them by hand, then ran the script a second time to confirm Id fixed them all. Thats not important in a one-off script, but its a useful habit to get into. I have the latest version of terraform available. I have two branches in module repo - develop and main. In reality, I tried download a module on a private registry (with a Gitlab instance), with a custom provider which have a hyphen in his name. quentin March 23, 2022, 8:21am #1. If you are running the Terraform CLI interactively on a computer with a web browser, you can use the terraform login command to get credentials and automatically save them in the CLI configuration. Sorry again for the noise and thanks for your replies. In addition, it might be good to add a second method to add modules to the Terraform registry, for example with the format terraform__. When we run Terraform commands directly from a directory, it is considered the root module. Whenever you add a new module to a configuration, Terraform must install the module before it can be used. In the post Terraform Plans, Modules, and Remote State, I use local modules in the root configuration. terraform/internal/addrs/module_source.go. """, #!/usr/bin/env python We need to start by finding all our Terraform files. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. # Skip the .terraform directory, which is a local cache of. // This is to make sure we really return a nil ModuleSource in, // this case, rather than an interface containing the zero, // parseModuleRegistryTargetSystem validates and normalizes a string in the, // "target system" position of a module registry source address. Now I have installed the terraform v0.13 and running the following commands. Terraform tips & tricks: loops, if-statements, and gotchas These files are intended to be read-only. I use os.walk() a lot, and I always create little generator functions like this. # downloaded modules that we don't care about. """ A Terraform module is a set of Terraform configuration files in a single directory. only refers to a module as a whole, or that omits the index for a multi-instance resource. They say: Modules on the public Terraform Registry can be referenced using a registry source address of the form <NAMESPACE>/<NAME>/<PROVIDER> , with each module's information page on the registry site including the exact address to use. Generates tuples of (path, module_name, module_inputs) for all the modules Previously, if you put a raw string as the source, it would treat it as a local path. I would speculate (but have no evidence) that the current constraint on "remote system" names in module addresses was originally following the precedent that we required provider names to consist only of letters and digits, even though we've relaxed that into only a default assumption rather than a requirement in subsequent versions of the language. A further thought that came to me after some time away for lunch: while we probably can't change the expected syntax of a registry module source address due to compatibility constraints, it's never been valid to use version for any source type other than a registry source address and so we could potentially use the presence of version as a heuristic to detect the intent for this to be a valid source address, and thus prefer to return the error message from the registry address parser in that case, instead of falling back to the go-getter parser.
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