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[debugexporter] Add support for profiles signal (#11494)
<!--Ex. Fixing a bug - Describe the bug and how this fixes the issue. Ex. Adding a feature - Explain what this achieves.--> #### Description This PR adds Profiles support to the `debugexporter` component. <!-- Issue number if applicable --> #### Link to tracking issue Fixes #11155. <!--Describe what testing was performed and which tests were added.--> #### Testing Added tests to all modified modules: - `exporter/debugexporter/exporter_test.go` - `exporter/debugexporter/factory_test.go` - `exporter/debugexporter/internal/normal/profiles_test.go`
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| # Use this changelog template to create an entry for release notes. | ||
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| # One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix' | ||
| change_type: enhancement | ||
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| # The name of the component, or a single word describing the area of concern, (e.g. otlpreceiver) | ||
| component: debugexporter | ||
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| # A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`). | ||
| note: Add profiles support to debug exporter | ||
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| # One or more tracking issues or pull requests related to the change | ||
| issues: [11155] | ||
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| # (Optional) One or more lines of additional information to render under the primary note. | ||
| # These lines will be padded with 2 spaces and then inserted directly into the document. | ||
| # Use pipe (|) for multiline entries. | ||
| subtext: | ||
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| # Optional: The change log or logs in which this entry should be included. | ||
| # e.g. '[user]' or '[user, api]' | ||
| # Include 'user' if the change is relevant to end users. | ||
| # Include 'api' if there is a change to a library API. | ||
| # Default: '[user]' | ||
| change_logs: [api] |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,49 @@ | ||
| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
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| package normal // import "go.opentelemetry.io/collector/exporter/debugexporter/internal/normal" | ||
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| import ( | ||
| "bytes" | ||
| "strconv" | ||
| "strings" | ||
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| "go.opentelemetry.io/collector/pdata/pprofile" | ||
| ) | ||
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| type normalProfilesMarshaler struct{} | ||
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| // Ensure normalProfilesMarshaller implements interface pprofile.Marshaler | ||
| var _ pprofile.Marshaler = normalProfilesMarshaler{} | ||
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| // NewNormalProfilesMarshaler returns a pprofile.Marshaler for normal verbosity. It writes one line of text per log record | ||
| func NewNormalProfilesMarshaler() pprofile.Marshaler { | ||
| return normalProfilesMarshaler{} | ||
| } | ||
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| func (normalProfilesMarshaler) MarshalProfiles(pd pprofile.Profiles) ([]byte, error) { | ||
| var buffer bytes.Buffer | ||
| for i := 0; i < pd.ResourceProfiles().Len(); i++ { | ||
| resourceProfiles := pd.ResourceProfiles().At(i) | ||
| for j := 0; j < resourceProfiles.ScopeProfiles().Len(); j++ { | ||
| scopeProfiles := resourceProfiles.ScopeProfiles().At(j) | ||
| for k := 0; k < scopeProfiles.Profiles().Len(); k++ { | ||
| profile := scopeProfiles.Profiles().At(k) | ||
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| buffer.WriteString(profile.ProfileID().String()) | ||
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| buffer.WriteString(" samples=") | ||
| buffer.WriteString(strconv.Itoa(profile.Profile().Sample().Len())) | ||
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| if profile.Attributes().Len() > 0 { | ||
| profileAttributes := writeAttributes(profile.Attributes()) | ||
| buffer.WriteString(" ") | ||
| buffer.WriteString(strings.Join(profileAttributes, " ")) | ||
| } | ||
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| buffer.WriteString("\n") | ||
| } | ||
| } | ||
| } | ||
| return buffer.Bytes(), nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
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| package normal | ||
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| import ( | ||
| "testing" | ||
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| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
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| "go.opentelemetry.io/collector/pdata/pprofile" | ||
| ) | ||
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| func TestMarshalProfiles(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| input pprofile.Profiles | ||
| expected string | ||
| }{ | ||
| { | ||
| name: "empty profile", | ||
| input: pprofile.NewProfiles(), | ||
| expected: "", | ||
| }, | ||
| { | ||
| name: "one profile", | ||
| input: func() pprofile.Profiles { | ||
| profiles := pprofile.NewProfiles() | ||
| profile := profiles.ResourceProfiles().AppendEmpty().ScopeProfiles().AppendEmpty().Profiles().AppendEmpty() | ||
| profile.SetProfileID([16]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10}) | ||
| profile.Profile().Sample().AppendEmpty() | ||
| profile.Profile().Sample().AppendEmpty() | ||
| profile.Attributes().PutStr("key1", "value1") | ||
| return profiles | ||
| }(), | ||
| expected: `0102030405060708090a0b0c0d0e0f10 samples=2 key1=value1 | ||
| `, | ||
| }, | ||
| } | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| output, err := NewNormalProfilesMarshaler().MarshalProfiles(tt.input) | ||
| require.NoError(t, err) | ||
| assert.Equal(t, tt.expected, string(output)) | ||
| }) | ||
| } | ||
| } |
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