9 Commits (94de72c63834acea811c27a585c19eae29374a4b)

Author	SHA1	Message	Date
kmoe	40ec62c139	command: make module installation interruptible ... Earlier work to make "terraform init" interruptible made the getproviders package context-aware in order to allow provider installation to be cancelled. Here we make a similar change for module installation, which is now also cancellable with SIGINT. This involves plumbing context through initwd and getmodules. Functions which can make network requests now include a context parameter whose cancellation cancels those requests. Since the module installation code is shared, "terraform get" is now also interruptible during module installation.	4 years ago
Martin Atkins	1a8da65314	Refactoring of module source addresses and module installation ... It's been a long while since we gave close attention to the codepaths for module source address parsing and external module package installation. Due to their age, these codepaths often diverged from our modern practices such as representing address types in the addrs package, and encapsulating package installation details only in a particular location. In particular, this refactor makes source address parsing a separate step from module installation, which therefore makes the result of that parsing available to other Terraform subsystems which work with the configuration representation objects. This also presented the opportunity to better encapsulate our use of go-getter into a new package "getmodules" (echoing "getproviders"), which is intended to be the only part of Terraform that directly interacts with go-getter. This is largely just a refactor of the existing functionality into a new code organization, but there is one notable change in behavior here: the source address parsing now happens during configuration loading rather than module installation, which may cause errors about invalid addresses to be returned in different situations than before. That counts as backward compatible because we only promise to remain compatible with configurations that are _valid_, which means that they can be initialized, planned, and applied without any errors. This doesn't introduce any new error cases, and instead just makes a pre-existing error case be detected earlier. Our module registry client is still using its own special module address type from registry/regsrc for now, with a small shim from the new addrs.ModuleSourceRegistry type. Hopefully in a later commit we'll also rework the registry client to work with the new address type, but this commit is already big enough as it is.	5 years ago
Martin Atkins	05caff2ca3	Move tfdiags/ to internal/tfdiags/ ... This is part of a general effort to move all of Terraform's non-library package surface under internal in order to reinforce that these are for internal use within Terraform only. If you were previously importing packages under this prefix into an external codebase, you could pin to an earlier release tag as an interim solution until you've make a plan to achieve the same functionality some other way.	5 years ago
Martin Atkins	4c5b866dea	Move registry/ to internal/registry/ ... This is part of a general effort to move all of Terraform's non-library package surface under internal in order to reinforce that these are for internal use within Terraform only. If you were previously importing packages under this prefix into an external codebase, you could pin to an earlier release tag as an interim solution until you've make a plan to achieve the same functionality some other way.	5 years ago
Kristin Laemmert	04be220f5f	deprecate helper/copy ... helper/copy CopyDir was used heavily in tests. It differes from internal/copydir in a few ways, the main one being that it creates the dst directory while the internal version expected the dst to exist (there are other differences, which is why I did not just switch tests to using internal's CopyDir). I moved the CopyDir func from helper/copy into command_test.go; I could also have moved it into internal/copy and named it something like CreateDirAndCopy so if that seems like a better option please let me know. helper/copy/CopyFile was used in a couple of spots so I moved it into internal, at which point I thought it made more sense to rename the package copy (instead of copydir). There's also a `go mod tidy` included.	6 years ago
Kristin Laemmert	1b8f4566fa	internal/initwd: fix panics with relative submodules in DirFromModule (#25250) ... * internal/initwd: fix panics with relative submodules in DirFromModule There were two related issues here: 1. panic with any local module with submodules 1. panic with a relative directory that was above the workdir ("../") The first panic was caused by the local installer looking up the root module with the (nonexistant) key "root.", instead of "". The second panic was caused by the installer trying to determine the relative path from ".". This was fixed by detecting "." as the source path and using the absolute path for the call to filepath.Rel. Added test cases for both panics and updated the existing e2e tests with the correct install paths.	6 years ago
Martin Atkins	072c6d9aed	internal/copydir: Factor out our recursive directory copy for reuse ... We've previously been copying this function around so it could remain unexported while being used in various packages. However, it's a non-trivial function with lots of specific assumptions built into it, so here we'll put it somewhere that other packages can depend on it _and_ document the assumptions it seems to be making for future reference. As a bonus, this now uses os.SameFile to detect when two paths point to the same physical file, instead of the slightly buggy local implementation we had before which only worked on Unix systems and did not correctly handle when the paths were on different physical devices. The copy of the function I extracted here is the one from internal/initwd, so this commit also includes the removal of that unexported version and updating the callers in that package to use at at this new location.	6 years ago
Martin Atkins	86c02d5c35	command: "terraform init" can partially initialize for 0.12upgrade ... There are a few constructs from 0.11 and prior that cause 0.12 parsing to fail altogether, which previously created a chicken/egg problem because we need to install the providers in order to run "terraform 0.12upgrade" and thus fix the problem. This changes "terraform init" to use the new "early configuration" loader for module and provider installation. This is built on the more permissive parser in the terraform-config-inspect package, and so it allows us to read out the top-level blocks from the configuration while accepting legacy HCL syntax. In the long run this will let us do version compatibility detection before attempting a "real" config load, giving us better error messages for any future syntax additions, but in the short term the key thing is that it allows us to install the dependencies even if the configuration isn't fully valid. Because backend init still requires full configuration, this introduces a new mode of terraform init where it detects heuristically if it seems like we need to do a configuration upgrade and does a partial init if so, before finally directing the user to run "terraform 0.12upgrade" before running any other commands. The heuristic here is based on two assumptions: - If the "early" loader finds no errors but the normal loader does, the configuration is likely to be valid for Terraform 0.11 but not 0.12. - If there's already a version constraint in the configuration that excludes Terraform versions prior to v0.12 then the configuration is probably _already_ upgraded and so it's just a normal syntax error, even if the early loader didn't detect it. Once the upgrade process is removed in 0.13.0 (users will be required to go stepwise 0.11 -> 0.12 -> 0.13 to upgrade after that), some of this can be simplified to remove that special mode, but the idea of doing the dependency version checks against the liberal parser will remain valuable to increase our chances of reporting version-based incompatibilities rather than syntax errors as we add new features in future.	7 years ago
Martin Atkins	0c0a437bcb	Move module install functionality over to internal/initwd	7 years ago