internal/getproviders: Stub out the two mirror sources
In a future commit, these implementations of Source will allow finding and retrieving provider packages via local mirrors, both in the local filesystem and over the network using an HTTP-based protocol.
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package getproviders
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import (
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"github.com/hashicorp/terraform/addrs"
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)
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// FilesystemMirrorSource is a source that reads providers and their metadata
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// from a directory prefix in the local filesystem.
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type FilesystemMirrorSource struct {
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baseDir string
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}
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var _ Source = (*FilesystemMirrorSource)(nil)
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// NewFilesystemMirrorSource constructs and returns a new filesystem-based
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// mirror source with the given base directory.
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func NewFilesystemMirrorSource(baseDir string) *FilesystemMirrorSource {
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return &FilesystemMirrorSource{
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baseDir: baseDir,
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}
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}
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// AvailableVersions scans the directory structure under the source's base
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// directory for locally-mirrored packages for the given provider, returning
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// a list of version numbers for the providers it found.
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func (s *FilesystemMirrorSource) AvailableVersions(provider addrs.Provider) (VersionList, error) {
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// TODO: Implement
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panic("FilesystemMirrorSource.AvailableVersions not yet implemented")
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}
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// PackageMeta checks to see if the source's base directory contains a
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// local copy of the distribution package for the given provider version on
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// the given target, and returns the metadata about it if so.
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func (s *FilesystemMirrorSource) PackageMeta(provider addrs.Provider, version Version, target Platform) (PackageMeta, error) {
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// TODO: Implement
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panic("FilesystemMirrorSource.PackageMeta not yet implemented")
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}
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package getproviders
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import (
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"net/url"
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"github.com/hashicorp/terraform/addrs"
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)
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// HTTPMirrorSource is a source that reads provider metadata from a provider
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// mirror that is accessible over the HTTP provider mirror protocol.
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type HTTPMirrorSource struct {
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baseURL *url.URL
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}
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var _ Source = (*HTTPMirrorSource)(nil)
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// NewHTTPMirrorSource constructs and returns a new network mirror source with
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// the given base URL. The relative URL offsets defined by the HTTP mirror
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// protocol will be resolve relative to the given URL.
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func NewHTTPMirrorSource(baseURL *url.URL) *HTTPMirrorSource {
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return &HTTPMirrorSource{
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baseURL: baseURL,
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}
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}
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// AvailableVersions retrieves the available versions for the given provider
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// from the object's underlying HTTP mirror service.
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func (s *HTTPMirrorSource) AvailableVersions(provider addrs.Provider) (VersionList, error) {
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// TODO: Implement
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panic("HTTPMirrorSource.AvailableVersions not yet implemented")
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}
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// PackageMeta retrieves metadata for the requested provider package
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// from the object's underlying HTTP mirror service.
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func (s *HTTPMirrorSource) PackageMeta(provider addrs.Provider, version Version, target Platform) (PackageMeta, error) {
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// TODO: Implement
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panic("HTTPMirrorSource.PackageMeta not yet implemented")
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}
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