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prune: detect if buildkit supports newer storage filters 

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi 2024-10-29 13:16:47 -07:00
parent 14b31d8b77
commit 9f3a578149
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1 changed files with 25 additions and 0 deletions
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25
commands/prune.go
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@ -16,6 +16,9 @@ import (
"github.com/docker/docker/api/types/filters"
"github.com/docker/go-units"
"github.com/moby/buildkit/client"
gateway "github.com/moby/buildkit/frontend/gateway/client"
pb "github.com/moby/buildkit/solver/pb"
"github.com/moby/buildkit/util/apicaps"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"golang.org/x/sync/errgroup"
@ -107,6 +110,17 @@ func runPrune(ctx context.Context, dockerCli command.Cli, opts pruneOptions) err
if err != nil {
return err
}
// check if the client supports newer prune options
if opts.maxUsedSpace.Value() != 0 || opts.minFreeSpace.Value() != 0 {
caps, err := loadLLBCaps(ctx, c)
if err != nil {
return errors.Wrap(err, "failed to load buildkit capabilities for prune")
}
if caps.Supports(pb.CapGCFreeSpaceFilter) != nil {
return errors.New("buildkit v0.17.0+ is required for max-used-space and min-free-space filters")
}
}
popts := []client.PruneOption{
client.WithKeepOpt(pi.KeepDuration, opts.reservedSpace.Value(), opts.maxUsedSpace.Value(), opts.minFreeSpace.Value()),
client.WithFilter(pi.Filter),
@ -133,6 +147,17 @@ func runPrune(ctx context.Context, dockerCli command.Cli, opts pruneOptions) err
return nil
}
func loadLLBCaps(ctx context.Context, c *client.Client) (apicaps.CapSet, error) {
var caps apicaps.CapSet
_, err := c.Build(ctx, client.SolveOpt{
Internal: true,
}, "buildx", func(ctx context.Context, c gateway.Client) (*gateway.Result, error) {
caps = c.BuildOpts().LLBCaps
return nil, nil
}, nil)
return caps, err
}
func pruneCmd(dockerCli command.Cli, rootOpts *rootOptions) *cobra.Command {
options := pruneOptions{filter: opts.NewFilterOpt()}