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Ensure read access when resolving run image location
Signed-off-by: Pavel Busko <pavel.busko@sap.com>
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,19 @@ | ||
package fakes | ||
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type FakeAccessChecker struct { | ||
RegistriesToFail []string | ||
} | ||
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func NewFakeAccessChecker() *FakeAccessChecker { | ||
return &FakeAccessChecker{} | ||
} | ||
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func (f *FakeAccessChecker) Check(repo string) bool { | ||
for _, toFail := range f.RegistriesToFail { | ||
if toFail == repo { | ||
return false | ||
} | ||
} | ||
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return true | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,41 @@ | ||
package image | ||
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import ( | ||
"github.com/buildpacks/imgutil/remote" | ||
"github.com/google/go-containerregistry/pkg/authn" | ||
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"github.com/buildpacks/pack/pkg/logging" | ||
) | ||
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type Checker struct { | ||
logger logging.Logger | ||
keychain authn.Keychain | ||
} | ||
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func NewAccessChecker(logger logging.Logger, keychain authn.Keychain) *Checker { | ||
checker := &Checker{ | ||
logger: logger, | ||
keychain: keychain, | ||
} | ||
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if checker.keychain == nil { | ||
checker.keychain = authn.DefaultKeychain | ||
} | ||
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return checker | ||
} | ||
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func (c *Checker) Check(repo string) bool { | ||
img, err := remote.NewImage(repo, c.keychain) | ||
if err != nil { | ||
return false | ||
} | ||
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if ok, err := img.CheckReadAccess(); ok { | ||
c.logger.Debugf("CheckReadAccess succeeded for the run image %s", repo) | ||
return true | ||
} else { | ||
c.logger.Debugf("CheckReadAccess failed for the run image %s, error: %s", repo, err.Error()) | ||
return false | ||
} | ||
} |