Evaluate source policy caps before solve requests so policies can enable
BuildKit proxy networking. Policy can return caps {"exec.proxy": true}
during the caps request to enable proxy network
support for the solve.
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
Turn the current utility used by policy helper commands that
allows getting gateway.Client lazily into reusable package.
This is preparation for using this utility also in the policy
verification, outside of commands.
Only expose SourceMetaResolver as other methods of gateway client
are not needed atm by any callers.
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
Make the code more unified between validation and
test command. Normalize to key without the input prefix.
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
Sebastiaan van Stijn