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Signed-off-by: Billy Zha <jinzha1@microsoft.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| /* | ||
| Copyright The ORAS Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package json | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io" | ||
|
|
||
| ocispec "github.com/opencontainers/image-spec/specs-go/v1" | ||
| "oras.land/oras-go/v2/content" | ||
| "oras.land/oras/cmd/oras/internal/display/metadata" | ||
| "oras.land/oras/cmd/oras/internal/display/metadata/model" | ||
| "oras.land/oras/cmd/oras/internal/display/utils" | ||
| ) | ||
|
|
||
| // discoverHandler handles json metadata output for discover events. | ||
| type discoverHandler struct { | ||
| out io.Writer | ||
| root ocispec.Descriptor | ||
| path string | ||
| referrers []ocispec.Descriptor | ||
| } | ||
|
|
||
| // NewDiscoverHandler creates a new handler for discover events. | ||
| func NewDiscoverHandler(out io.Writer, root ocispec.Descriptor, path string) metadata.DiscoverHandler { | ||
| return &discoverHandler{ | ||
| out: out, | ||
| root: root, | ||
| path: path, | ||
| } | ||
| } | ||
|
|
||
| // MultiLevelSupported implements metadata.DiscoverHandler. | ||
| func (h *discoverHandler) MultiLevelSupported() bool { | ||
| return false | ||
| } | ||
|
|
||
| // OnDiscovered implements metadata.DiscoverHandler. | ||
| func (h *discoverHandler) OnDiscovered(referrer, subject ocispec.Descriptor) error { | ||
| if !content.Equal(subject, h.root) { | ||
| return fmt.Errorf("unexpected subject descriptor: %v", subject) | ||
| } | ||
| h.referrers = append(h.referrers, referrer) | ||
| return nil | ||
| } | ||
|
|
||
| // OnCompleted implements metadata.DiscoverHandler. | ||
| func (h *discoverHandler) OnCompleted() error { | ||
| return utils.PrintPrettyJSON(h.out, model.NewDiscover(h.path, h.referrers)) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| /* | ||
| Copyright The ORAS Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package table | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io" | ||
| "strings" | ||
|
|
||
| ocispec "github.com/opencontainers/image-spec/specs-go/v1" | ||
| "oras.land/oras-go/v2/content" | ||
| "oras.land/oras/cmd/oras/internal/display/metadata" | ||
| "oras.land/oras/cmd/oras/internal/display/utils" | ||
| ) | ||
|
|
||
| // discoverHandler handles json metadata output for discover events. | ||
| type discoverHandler struct { | ||
| out io.Writer | ||
| rawReference string | ||
| root ocispec.Descriptor | ||
| verbose bool | ||
| referrers []ocispec.Descriptor | ||
| } | ||
|
|
||
| // NewDiscoverHandler creates a new handler for discover events. | ||
| func NewDiscoverHandler(out io.Writer, rawReference string, root ocispec.Descriptor, verbose bool) metadata.DiscoverHandler { | ||
| return &discoverHandler{ | ||
| out: out, | ||
| rawReference: rawReference, | ||
| root: root, | ||
| verbose: verbose, | ||
| } | ||
| } | ||
|
|
||
| // MultiLevelSupported implements metadata.DiscoverHandler. | ||
| func (h *discoverHandler) MultiLevelSupported() bool { | ||
| return false | ||
| } | ||
|
|
||
| // OnDiscovered implements metadata.DiscoverHandler. | ||
| func (h *discoverHandler) OnDiscovered(referrer, subject ocispec.Descriptor) error { | ||
| if !content.Equal(subject, h.root) { | ||
| return fmt.Errorf("unexpected subject descriptor: %v", subject) | ||
| } | ||
| h.referrers = append(h.referrers, referrer) | ||
| return nil | ||
| } | ||
|
|
||
| // OnCompleted implements metadata.DiscoverHandler. | ||
| func (h *discoverHandler) OnCompleted() error { | ||
| if n := len(h.referrers); n > 1 { | ||
| fmt.Fprintln(h.out, "Discovered", n, "artifacts referencing", h.rawReference) | ||
| } else { | ||
| fmt.Fprintln(h.out, "Discovered", n, "artifact referencing", h.rawReference) | ||
| } | ||
| fmt.Fprintln(h.out, "Digest:", h.root.Digest) | ||
| if len(h.referrers) == 0 { | ||
| return nil | ||
| } | ||
| fmt.Fprintln(h.out) | ||
| return h.printDiscoveredReferrersTable() | ||
| } | ||
|
|
||
| func (h *discoverHandler) printDiscoveredReferrersTable() error { | ||
| typeNameTitle := "Artifact Type" | ||
| typeNameLength := len(typeNameTitle) | ||
| for _, ref := range h.referrers { | ||
| if length := len(ref.ArtifactType); length > typeNameLength { | ||
| typeNameLength = length | ||
| } | ||
| } | ||
|
|
||
| print := func(key string, value interface{}) { | ||
| fmt.Fprintln(h.out, key, strings.Repeat(" ", typeNameLength-len(key)+1), value) | ||
| } | ||
|
|
||
| print(typeNameTitle, "Digest") | ||
| for _, ref := range h.referrers { | ||
| print(ref.ArtifactType, ref.Digest) | ||
| if h.verbose { | ||
| if err := utils.PrintPrettyJSON(h.out, ref); err != nil { | ||
| return fmt.Errorf("error printing JSON: %w", err) | ||
| } | ||
| } | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| /* | ||
| Copyright The ORAS Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package template | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io" | ||
|
|
||
| ocispec "github.com/opencontainers/image-spec/specs-go/v1" | ||
| "oras.land/oras-go/v2/content" | ||
| "oras.land/oras/cmd/oras/internal/display/metadata" | ||
| "oras.land/oras/cmd/oras/internal/display/metadata/model" | ||
| ) | ||
|
|
||
| // discoverHandler handles json metadata output for discover events. | ||
| type discoverHandler struct { | ||
| referrers []ocispec.Descriptor | ||
| template string | ||
| path string | ||
| root ocispec.Descriptor | ||
| out io.Writer | ||
| } | ||
|
|
||
| // NewDiscoverHandler creates a new handler for discover events. | ||
| func NewDiscoverHandler(out io.Writer, root ocispec.Descriptor, path string, template string) metadata.DiscoverHandler { | ||
| return &discoverHandler{ | ||
| out: out, | ||
| root: root, | ||
| path: path, | ||
| template: template, | ||
| } | ||
| } | ||
|
|
||
| // MultiLevelSupported implements metadata.DiscoverHandler. | ||
| func (h *discoverHandler) MultiLevelSupported() bool { | ||
| return false | ||
| } | ||
|
|
||
| // OnDiscovered implements metadata.DiscoverHandler. | ||
| func (h *discoverHandler) OnDiscovered(referrer, subject ocispec.Descriptor) error { | ||
| if !content.Equal(subject, h.root) { | ||
| return fmt.Errorf("unexpected subject descriptor: %v", subject) | ||
| } | ||
| h.referrers = append(h.referrers, referrer) | ||
| return nil | ||
| } | ||
|
|
||
| // OnCompleted implements metadata.DiscoverHandler. | ||
| func (h *discoverHandler) OnCompleted() error { | ||
| return parseAndWrite(h.out, model.NewDiscover(h.path, h.referrers), h.template) | ||
| } |
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