Merge pull request #5 from odoucet/master
Make script Python 2.6 compatible
This commit is contained in:
andrey-pohilko
44
registry.py
Normal file → Executable file
44
registry.py
Normal file → Executable file
@@ -71,13 +71,13 @@ class Registry:
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def send(self, path, method="GET"):
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try:
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result = requests.request(
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method, "{}{}".format(self.hostname, path),
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method, "{0}{1}".format(self.hostname, path),
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headers = self.HEADERS,
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auth=(None if self.username == ""
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else (self.username, self.password)))
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except Exception as error:
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print "cannot connect to {}\nerror {}".format(
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print "cannot connect to {0}\nerror {1}".format(
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self.hostname,
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error)
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exit(1)
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@@ -96,7 +96,7 @@ class Registry:
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return json.loads(result.text)['repositories']
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def list_tags(self, image_name):
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result = self.send("/v2/{}/tags/list".format(image_name))
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result = self.send("/v2/{0}/tags/list".format(image_name))
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if result == None:
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return []
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@@ -108,12 +108,12 @@ class Registry:
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return tags_list
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def get_tag_digest(self, image_name, tag):
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image_headers = self.send("/v2/{}/manifests/{}".format(
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image_headers = self.send("/v2/{0}/manifests/{1}".format(
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image_name, tag), method="HEAD")
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if image_headers == None:
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print " tag digest not found: {}".format(self.__error)
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print " tag digest not found: {0}".format(self.__error)
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return None
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tag_digest = image_headers.headers['Docker-Content-Digest']
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@@ -122,7 +122,7 @@ class Registry:
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def delete_tag(self, image_name, tag, dry_run):
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if dry_run:
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print 'would delete tag {}'.format(tag)
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print 'would delete tag {0}'.format(tag)
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return False
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tag_digest = self.get_tag_digest(image_name, tag)
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@@ -130,11 +130,11 @@ class Registry:
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if tag_digest == None:
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return False
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delete_result = self.send("/v2/{}/manifests/{}".format(
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delete_result = self.send("/v2/{0}/manifests/{1}".format(
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image_name, tag_digest), method="DELETE")
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if delete_result == None:
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print "failed, error: {}".format(self.__error)
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print "failed, error: {0}".format(self.__error)
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return False
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print "done"
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@@ -142,16 +142,16 @@ class Registry:
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def delete_tag_layer(self, image_name, layer_digest, dry_run):
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if dry_run:
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print 'would delete layer {}'.format(layer_digest)
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print 'would delete layer {0}'.format(layer_digest)
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return False
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print 'deleting layer {}'.format(layer_digest),
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print 'deleting layer {0}'.format(layer_digest),
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delete_result = self.send('/v2/{}/blobs/{}'.format(
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delete_result = self.send('/v2/{0}/blobs/{1}'.format(
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image_name, layer_digest), method='DELETE')
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if delete_result == None:
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print "failed, error: {}".format(self.__error)
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print "failed, error: {0}".format(self.__error)
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return False
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print "done"
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@@ -159,11 +159,11 @@ class Registry:
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def list_tag_layers(self, image_name, tag):
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layers_result = self.send("/v2/{}/manifests/{}".format(
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layers_result = self.send("/v2/{0}/manifests/{1}".format(
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image_name, tag))
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if layers_result == None:
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print "error {}".format(self.__error)
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print "error {0}".format(self.__error)
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return []
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if json.loads(layers_result.text)['schemaVersion'] == 1:
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@@ -207,7 +207,7 @@ for more detail on garbage collection read here:
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parser.add_argument(
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'-d','--delete',
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help=('If specified, delete all but last {} tags '
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help=('If specified, delete all but last {0} tags '
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'of all images').format(CONST_KEEP_LAST_VERSIONS),
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action='store_const',
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default=False,
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@@ -216,7 +216,7 @@ for more detail on garbage collection read here:
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parser.add_argument(
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'-n','--num',
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help=('Set the number of tags to keep'
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'({} if not set)').format(CONST_KEEP_LAST_VERSIONS),
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'({0} if not set)').format(CONST_KEEP_LAST_VERSIONS),
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default=CONST_KEEP_LAST_VERSIONS,
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nargs='?',
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metavar='N')
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@@ -257,7 +257,7 @@ def delete_tags(
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registry, image_name, dry_run, tags_to_delete):
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for tag in tags_to_delete:
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print " deleting tag {}".format(tag)
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print " deleting tag {0}".format(tag)
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## deleting layers is disabled because
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## it also deletes shared layers
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@@ -275,7 +275,7 @@ def main_loop(args):
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registry = Registry(args.host, args.login)
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if args.delete:
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print "Will delete all but {} last tags".format(keep_last_versions)
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print "Will delete all but {0} last tags".format(keep_last_versions)
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if args.image != None:
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image_list = args.image
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@@ -285,7 +285,7 @@ def main_loop(args):
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# loop through registry's images
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# or through the ones given in command line
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for image_name in image_list:
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print "Image: {}".format(image_name)
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print "Image: {0}".format(image_name)
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# get tags from arguments if any
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if ":" in image_name:
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@@ -300,14 +300,14 @@ def main_loop(args):
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# print tags and optionally layers
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for tag in tags_list:
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print " tag: {}".format(tag)
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print " tag: {0}".format(tag)
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if args.layers:
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for layer in registry.list_tag_layers(image_name, tag):
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if layer.has_key('size'):
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print " layer: {}, size: {}".format(
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print " layer: {0}, size: {1}".format(
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layer['digest'], layer['size'])
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else:
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print " layer: {}".format(
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print " layer: {0}".format(
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layer['blobSum'])
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# delete tags if told so
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