github.com/quay/claircore@v1.5.28/matchers/defaults/defaults.go (about)

     1  // Importing this package registers default matchers via its init function.
     2  package defaults
     3  
     4  import (
     5  	"context"
     6  	"sync"
     7  	"time"
     8  
     9  	"github.com/quay/claircore/alpine"
    10  	"github.com/quay/claircore/aws"
    11  	"github.com/quay/claircore/debian"
    12  	"github.com/quay/claircore/gobin"
    13  	"github.com/quay/claircore/java"
    14  	"github.com/quay/claircore/libvuln/driver"
    15  	"github.com/quay/claircore/matchers/registry"
    16  	"github.com/quay/claircore/oracle"
    17  	"github.com/quay/claircore/photon"
    18  	"github.com/quay/claircore/python"
    19  	"github.com/quay/claircore/rhel"
    20  	"github.com/quay/claircore/rhel/rhcc"
    21  	"github.com/quay/claircore/ruby"
    22  	"github.com/quay/claircore/suse"
    23  	"github.com/quay/claircore/ubuntu"
    24  )
    25  
    26  var (
    27  	once   sync.Once
    28  	regerr error
    29  )
    30  
    31  func init() {
    32  	ctx, done := context.WithTimeout(context.Background(), 1*time.Minute)
    33  	defer done()
    34  	once.Do(func() { regerr = inner(ctx) })
    35  }
    36  
    37  // Error reports if an error was encountered when initializing the default
    38  // matchers.
    39  func Error() error {
    40  	return regerr
    41  }
    42  
    43  // defaultMatchers is a variable containing
    44  // all the matchers libvuln will use to match
    45  // index records to vulnerabilities.
    46  var defaultMatchers = []driver.Matcher{
    47  	&alpine.Matcher{},
    48  	&aws.Matcher{},
    49  	&debian.Matcher{},
    50  	&gobin.Matcher{},
    51  	&java.Matcher{},
    52  	&oracle.Matcher{},
    53  	&photon.Matcher{},
    54  	&python.Matcher{},
    55  	rhcc.Matcher,
    56  	&rhel.Matcher{},
    57  	&ruby.Matcher{},
    58  	&suse.Matcher{},
    59  	&ubuntu.Matcher{},
    60  }
    61  
    62  func inner(ctx context.Context) error {
    63  	for _, m := range defaultMatchers {
    64  		mf := driver.MatcherStatic(m)
    65  		registry.Register(m.Name(), mf)
    66  	}
    67  
    68  	return nil
    69  }