github.com/kaisenlinux/docker.io@v0.0.0-20230510090727-ea55db55fac7/engine/client/build_prune.go (about)

     1  package client // import "github.com/docker/docker/client"
     2  
     3  import (
     4  	"context"
     5  	"encoding/json"
     6  	"fmt"
     7  	"net/url"
     8  
     9  	"github.com/docker/docker/api/types"
    10  	"github.com/docker/docker/api/types/filters"
    11  	"github.com/pkg/errors"
    12  )
    13  
    14  // BuildCachePrune requests the daemon to delete unused cache data
    15  func (cli *Client) BuildCachePrune(ctx context.Context, opts types.BuildCachePruneOptions) (*types.BuildCachePruneReport, error) {
    16  	if err := cli.NewVersionError("1.31", "build prune"); err != nil {
    17  		return nil, err
    18  	}
    19  
    20  	report := types.BuildCachePruneReport{}
    21  
    22  	query := url.Values{}
    23  	if opts.All {
    24  		query.Set("all", "1")
    25  	}
    26  	query.Set("keep-storage", fmt.Sprintf("%d", opts.KeepStorage))
    27  	filters, err := filters.ToJSON(opts.Filters)
    28  	if err != nil {
    29  		return nil, errors.Wrap(err, "prune could not marshal filters option")
    30  	}
    31  	query.Set("filters", filters)
    32  
    33  	serverResp, err := cli.post(ctx, "/build/prune", query, nil, nil)
    34  	defer ensureReaderClosed(serverResp)
    35  
    36  	if err != nil {
    37  		return nil, err
    38  	}
    39  
    40  	if err := json.NewDecoder(serverResp.body).Decode(&report); err != nil {
    41  		return nil, fmt.Errorf("Error retrieving disk usage: %v", err)
    42  	}
    43  
    44  	return &report, nil
    45  }