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Remove unifyEnvVarExpansion workaround for Prometheus receiver (#3174)
* Remove unifyEnvVarExpansion workaround for Prometheus receiver Signed-off-by: Pavol Loffay <[email protected]> * Fix Signed-off-by: Pavol Loffay <[email protected]> * Remove flag Signed-off-by: Pavol Loffay <[email protected]> * Remove flag Signed-off-by: Pavol Loffay <[email protected]> * Fix Signed-off-by: Pavol Loffay <[email protected]> --------- Signed-off-by: Pavol Loffay <[email protected]>
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# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix' | ||
change_type: bug_fix | ||
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# The name of the component, or a single word describing the area of concern, (e.g. collector, target allocator, auto-instrumentation, opamp, github action) | ||
component: collector | ||
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# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`). | ||
note: Remove workaround for 0.104.0 that enabled feature-gate `confmap.unifyEnvVarExpansion` when Prometheus receiver was enabled. | ||
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# One or more tracking issues related to the change | ||
issues: [3142] | ||
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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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// Copyright The OpenTelemetry 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. | ||
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package upgrade | ||
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import ( | ||
"slices" | ||
"strings" | ||
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"github.com/open-telemetry/opentelemetry-operator/apis/v1beta1" | ||
) | ||
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func upgrade0_105_0(_ VersionUpgrade, otelcol *v1beta1.OpenTelemetryCollector) (*v1beta1.OpenTelemetryCollector, error) { | ||
var enable bool | ||
for receiver := range otelcol.Spec.Config.Receivers.Object { | ||
if strings.Contains(receiver, "prometheus") { | ||
enable = true | ||
break | ||
} | ||
} | ||
if !enable { | ||
return otelcol, nil | ||
} | ||
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envVarExpansionFeatureFlag := "-confmap.unifyEnvVarExpansion" | ||
otelcol.Spec.Args = RemoveFeatureGate(otelcol.Spec.Args, envVarExpansionFeatureFlag) | ||
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return otelcol, nil | ||
} | ||
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const featureGateFlag = "feature-gates" | ||
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// RemoveFeatureGate removes a feature gate from args. | ||
func RemoveFeatureGate(args map[string]string, feature string) map[string]string { | ||
featureGates, ok := args[featureGateFlag] | ||
if !ok { | ||
return args | ||
} | ||
if !strings.Contains(featureGates, feature) { | ||
return args | ||
} | ||
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features := strings.Split(featureGates, ",") | ||
features = slices.DeleteFunc(features, func(s string) bool { | ||
return s == feature | ||
}) | ||
if len(features) == 0 { | ||
delete(args, featureGateFlag) | ||
} else { | ||
featureGates = strings.Join(features, ",") | ||
args[featureGateFlag] = featureGates | ||
} | ||
return args | ||
} |
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// Copyright The OpenTelemetry 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. | ||
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package upgrade_test | ||
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import ( | ||
"context" | ||
"testing" | ||
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"github.com/stretchr/testify/assert" | ||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
"k8s.io/client-go/tools/record" | ||
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"github.com/open-telemetry/opentelemetry-operator/apis/v1beta1" | ||
"github.com/open-telemetry/opentelemetry-operator/internal/version" | ||
"github.com/open-telemetry/opentelemetry-operator/pkg/collector/upgrade" | ||
) | ||
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func Test0_105_0Upgrade(t *testing.T) { | ||
collectorInstance := v1beta1.OpenTelemetryCollector{ | ||
TypeMeta: metav1.TypeMeta{ | ||
Kind: "OpenTelemetryCollector", | ||
APIVersion: "v1beta1", | ||
}, | ||
ObjectMeta: metav1.ObjectMeta{ | ||
Name: "otel-my-instance", | ||
Namespace: "somewhere", | ||
}, | ||
Status: v1beta1.OpenTelemetryCollectorStatus{ | ||
Version: "0.104.0", | ||
}, | ||
Spec: v1beta1.OpenTelemetryCollectorSpec{ | ||
OpenTelemetryCommonFields: v1beta1.OpenTelemetryCommonFields{ | ||
Args: map[string]string{ | ||
"foo": "bar", | ||
"feature-gates": "+baz,-confmap.unifyEnvVarExpansion", | ||
}, | ||
}, | ||
Config: v1beta1.Config{ | ||
Receivers: v1beta1.AnyConfig{ | ||
Object: map[string]interface{}{ | ||
"prometheus": []interface{}{}, | ||
}, | ||
}, | ||
}, | ||
}, | ||
} | ||
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versionUpgrade := &upgrade.VersionUpgrade{ | ||
Log: logger, | ||
Version: version.Get(), | ||
Client: k8sClient, | ||
Recorder: record.NewFakeRecorder(upgrade.RecordBufferSize), | ||
} | ||
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col, err := versionUpgrade.ManagedInstance(context.Background(), collectorInstance) | ||
if err != nil { | ||
t.Errorf("expect err: nil but got: %v", err) | ||
} | ||
assert.EqualValues(t, | ||
map[string]string{"foo": "bar", "feature-gates": "+baz"}, col.Spec.Args) | ||
} | ||
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func TestRemoveFeatureGate(t *testing.T) { | ||
tests := []struct { | ||
test string | ||
args map[string]string | ||
feature string | ||
expected map[string]string | ||
}{ | ||
{ | ||
test: "empty", | ||
args: map[string]string{}, | ||
expected: map[string]string{}, | ||
}, | ||
{ | ||
test: "no feature gates", | ||
args: map[string]string{"foo": "bar"}, | ||
feature: "foo", | ||
expected: map[string]string{"foo": "bar"}, | ||
}, | ||
{ | ||
test: "remove enabled feature gate", | ||
args: map[string]string{"foo": "bar", "feature-gates": "+foo"}, | ||
feature: "-foo", | ||
expected: map[string]string{"foo": "bar", "feature-gates": "+foo"}, | ||
}, | ||
{ | ||
test: "remove disabled feature gate", | ||
args: map[string]string{"foo": "bar", "feature-gates": "-foo"}, | ||
feature: "-foo", | ||
expected: map[string]string{"foo": "bar"}, | ||
}, | ||
{ | ||
test: "remove disabled feature gate, start", | ||
args: map[string]string{"foo": "bar", "feature-gates": "-foo,bar"}, | ||
feature: "-foo", | ||
expected: map[string]string{"foo": "bar", "feature-gates": "bar"}, | ||
}, | ||
{ | ||
test: "remove disabled feature gate, end", | ||
args: map[string]string{"foo": "bar", "feature-gates": "bar,-foo"}, | ||
feature: "-foo", | ||
expected: map[string]string{"foo": "bar", "feature-gates": "bar"}, | ||
}, | ||
} | ||
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for _, test := range tests { | ||
t.Run(test.test, func(t *testing.T) { | ||
args := upgrade.RemoveFeatureGate(test.args, test.feature) | ||
assert.Equal(t, test.expected, args) | ||
}) | ||
} | ||
} |
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