Commit Graph

4 Commits

Author SHA1 Message Date
Martin Atkins e3401947a6 plugin/discovery: PluginRequirements can specify SHA256 digests
As well as constraining plugins by version number, we also want to be
able to pin plugins to use specific executables so that we can detect
drift in available plugins between commands.

This commit allows such requirements to be specified, but doesn't yet
specify any such requirements, nor validate them.
2017-06-09 14:03:59 -07:00
James Bardin 044ad5ef59 rename some Constraints methods per code review 2017-06-09 14:03:59 -07:00
James Bardin 7d2d951f27 Rename VersionSet to Constraints
VersionSet is a wrapper around version.Contraints, so rename it it as
such.
2017-06-09 14:03:59 -07:00
Martin Atkins a1e29ae290 plugin/discovery: use go-version instead of semver
The semver library we were using doesn't have support for a "pessimistic
constraint" where e.g. the user wants to accept only minor or patch
version upgrades. This is important for providers since users will
generally want to pin their dependencies to not inadvertantly accept
breaking changes.

So here we switch to hashicorp's home-grown go-version library, which
has the ~> constraint operator for this sort of constraint.

Given how much the old version object was already intruding into the
interface and creating dependency noise in callers, this also now wraps
the "raw" go-version objects in package-local structs, thus keeping the
details encapsulated and allowing callers to deal just with this package's
own types.
2017-06-09 14:03:59 -07:00