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apis/v1beta1: remove ComponentUseLocalHostAsDefaultHost feature gate #3334

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Oct 8, 2024
Merged

apis/v1beta1: remove ComponentUseLocalHostAsDefaultHost feature gate #3334

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2f26a0e
apis/v1beta1: remove ComponentUseLocalHostAsDefaultHost feature gate
frzifus Oct 7, 2024
bd901da
update changelog
frzifus Oct 8, 2024
96df0e0
fix
frzifus Oct 8, 2024
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36 changes: 36 additions & 0 deletions .chloggen/remove_localhost_fg.yaml
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@@ -0,0 +1,36 @@
# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
change_type: breaking

# 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

# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
note: Remove ComponentUseLocalHostAsDefaultHost collector feature gate.

# One or more tracking issues related to the change
issues: [3306]

# (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: |
This change may break setups where receiver endpoints are not explicitly configured to listen on e.g. 0.0.0.0.
Change \#3333 attempts to address this issue for a known set of components.
frzifus marked this conversation as resolved.
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The operator performs the adjustment for the following receivers:
- otlp
- skywalking
- jaeger
- loki
- opencensus
- zipkin
- tcplog
- udplog
- fluentforward
- statsd
- awsxray/UDP
- carbon
- collectd
- sapm
- signalfx
- splunk_hec
- wavefront
22 changes: 0 additions & 22 deletions apis/v1beta1/collector_webhook.go
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Expand Up @@ -78,8 +78,6 @@ func (c CollectorWebhook) Default(_ context.Context, obj runtime.Object) error {
otelcol.Spec.TargetAllocator.Replicas = &one
}

ComponentUseLocalHostAsDefaultHost(otelcol)

if otelcol.Spec.Autoscaler != nil && otelcol.Spec.Autoscaler.MaxReplicas != nil {
if otelcol.Spec.Autoscaler.MinReplicas == nil {
otelcol.Spec.Autoscaler.MinReplicas = otelcol.Spec.Replicas
Expand Down Expand Up @@ -453,23 +451,3 @@ func SetupCollectorWebhook(mgr ctrl.Manager, cfg config.Config, reviewer *rbac.R
WithDefaulter(cvw).
Complete()
}

// ComponentUseLocalHostAsDefaultHost enables component.UseLocalHostAsDefaultHost
// featuregate on the given collector instance.
// NOTE: For more details, visit:
// https://github.com/open-telemetry/opentelemetry-collector/issues/8510
func ComponentUseLocalHostAsDefaultHost(otelcol *OpenTelemetryCollector) {
const (
baseFlag = "feature-gates"
fgFlag = "component.UseLocalHostAsDefaultHost"
)
if otelcol.Spec.Args == nil {
otelcol.Spec.Args = make(map[string]string)
}
args, ok := otelcol.Spec.Args[baseFlag]
if !ok || len(args) == 0 {
otelcol.Spec.Args[baseFlag] = "-" + fgFlag
} else if !strings.Contains(otelcol.Spec.Args[baseFlag], fgFlag) {
otelcol.Spec.Args[baseFlag] += ",-" + fgFlag
}
}
12 changes: 0 additions & 12 deletions apis/v1beta1/collector_webhook_test.go
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Expand Up @@ -162,7 +162,6 @@ func TestCollectorDefaultingWebhook(t *testing.T) {
},
Spec: v1beta1.OpenTelemetryCollectorSpec{
OpenTelemetryCommonFields: v1beta1.OpenTelemetryCommonFields{
Args: map[string]string{"feature-gates": "-component.UseLocalHostAsDefaultHost"},
ManagementState: v1beta1.ManagementStateManaged,
Replicas: &one,
},
Expand Down Expand Up @@ -195,7 +194,6 @@ func TestCollectorDefaultingWebhook(t *testing.T) {
},
Spec: v1beta1.OpenTelemetryCollectorSpec{
OpenTelemetryCommonFields: v1beta1.OpenTelemetryCommonFields{
Args: map[string]string{"feature-gates": "-component.UseLocalHostAsDefaultHost"},
ManagementState: v1beta1.ManagementStateManaged,
Replicas: &one,
},
Expand All @@ -219,7 +217,6 @@ func TestCollectorDefaultingWebhook(t *testing.T) {
},
Spec: v1beta1.OpenTelemetryCollectorSpec{
OpenTelemetryCommonFields: v1beta1.OpenTelemetryCommonFields{
Args: map[string]string{"feature-gates": "-component.UseLocalHostAsDefaultHost"},
ManagementState: v1beta1.ManagementStateManaged,
Replicas: &one,
},
Expand Down Expand Up @@ -247,7 +244,6 @@ func TestCollectorDefaultingWebhook(t *testing.T) {
Mode: v1beta1.ModeSidecar,
UpgradeStrategy: "adhoc",
OpenTelemetryCommonFields: v1beta1.OpenTelemetryCommonFields{
Args: map[string]string{"feature-gates": "-component.UseLocalHostAsDefaultHost"},
Replicas: &five,
ManagementState: v1beta1.ManagementStateManaged,
},
Expand All @@ -274,7 +270,6 @@ func TestCollectorDefaultingWebhook(t *testing.T) {
Mode: v1beta1.ModeSidecar,
UpgradeStrategy: "adhoc",
OpenTelemetryCommonFields: v1beta1.OpenTelemetryCommonFields{
Args: map[string]string{"feature-gates": "-component.UseLocalHostAsDefaultHost"},
Replicas: &five,
ManagementState: v1beta1.ManagementStateUnmanaged,
},
Expand All @@ -299,7 +294,6 @@ func TestCollectorDefaultingWebhook(t *testing.T) {
Mode: v1beta1.ModeDeployment,
UpgradeStrategy: v1beta1.UpgradeStrategyAutomatic,
OpenTelemetryCommonFields: v1beta1.OpenTelemetryCommonFields{
Args: map[string]string{"feature-gates": "-component.UseLocalHostAsDefaultHost"},
Replicas: &one,
ManagementState: v1beta1.ManagementStateManaged,
},
Expand Down Expand Up @@ -328,7 +322,6 @@ func TestCollectorDefaultingWebhook(t *testing.T) {
Spec: v1beta1.OpenTelemetryCollectorSpec{
Mode: v1beta1.ModeDeployment,
OpenTelemetryCommonFields: v1beta1.OpenTelemetryCommonFields{
Args: map[string]string{"feature-gates": "-component.UseLocalHostAsDefaultHost"},
ManagementState: v1beta1.ManagementStateManaged,
Replicas: &one,
},
Expand Down Expand Up @@ -364,7 +357,6 @@ func TestCollectorDefaultingWebhook(t *testing.T) {
Spec: v1beta1.OpenTelemetryCollectorSpec{
Mode: v1beta1.ModeDeployment,
OpenTelemetryCommonFields: v1beta1.OpenTelemetryCommonFields{
Args: map[string]string{"feature-gates": "-component.UseLocalHostAsDefaultHost"},
Replicas: &one,
ManagementState: v1beta1.ManagementStateManaged,
PodDisruptionBudget: &v1beta1.PodDisruptionBudgetSpec{
Expand Down Expand Up @@ -402,7 +394,6 @@ func TestCollectorDefaultingWebhook(t *testing.T) {
Spec: v1beta1.OpenTelemetryCollectorSpec{
Mode: v1beta1.ModeDeployment,
OpenTelemetryCommonFields: v1beta1.OpenTelemetryCommonFields{
Args: map[string]string{"feature-gates": "-component.UseLocalHostAsDefaultHost"},
Replicas: &one,
ManagementState: v1beta1.ManagementStateManaged,
},
Expand Down Expand Up @@ -445,7 +436,6 @@ func TestCollectorDefaultingWebhook(t *testing.T) {
Spec: v1beta1.OpenTelemetryCollectorSpec{
Mode: v1beta1.ModeDeployment,
OpenTelemetryCommonFields: v1beta1.OpenTelemetryCommonFields{
Args: map[string]string{"feature-gates": "-component.UseLocalHostAsDefaultHost"},
Replicas: &one,
ManagementState: v1beta1.ManagementStateManaged,
},
Expand Down Expand Up @@ -483,7 +473,6 @@ func TestCollectorDefaultingWebhook(t *testing.T) {
Spec: v1beta1.OpenTelemetryCollectorSpec{
Mode: v1beta1.ModeDeployment,
OpenTelemetryCommonFields: v1beta1.OpenTelemetryCommonFields{
Args: map[string]string{"feature-gates": "-component.UseLocalHostAsDefaultHost"},
Replicas: &one,
ManagementState: v1beta1.ManagementStateManaged,
},
Expand Down Expand Up @@ -514,7 +503,6 @@ func TestCollectorDefaultingWebhook(t *testing.T) {
Spec: v1beta1.OpenTelemetryCollectorSpec{
Mode: v1beta1.ModeDeployment,
OpenTelemetryCommonFields: v1beta1.OpenTelemetryCommonFields{
Args: map[string]string{"feature-gates": "-component.UseLocalHostAsDefaultHost"},
Replicas: &one,
ManagementState: v1beta1.ManagementStateManaged,
},
Expand Down
2 changes: 1 addition & 1 deletion pkg/collector/upgrade/upgrade_test.go
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Expand Up @@ -141,7 +141,7 @@ func TestEnvVarUpdates(t *testing.T) {
require.Equal(t, collectorInstance.Status.Version, persisted.Status.Version)

currentV := version.Get()
currentV.OpenTelemetryCollector = "0.105.0"
currentV.OpenTelemetryCollector = "0.110.0"
up := &upgrade.VersionUpgrade{
Log: logger,
Version: currentV,
Expand Down
22 changes: 21 additions & 1 deletion pkg/collector/upgrade/v0_104_0.go
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Expand Up @@ -27,7 +27,7 @@ func upgrade0_104_0_TA(_ VersionUpgrade, otelcol *v1beta1.OpenTelemetryCollector
}

func upgrade0_104_0(u VersionUpgrade, otelcol *v1beta1.OpenTelemetryCollector) (*v1beta1.OpenTelemetryCollector, error) {
v1beta1.ComponentUseLocalHostAsDefaultHost(otelcol)
ComponentUseLocalHostAsDefaultHost(otelcol)

const issueID = "https://github.com/open-telemetry/opentelemetry-collector/issues/8510"
warnStr := fmt.Sprintf(
Expand Down Expand Up @@ -69,3 +69,23 @@ func TAUnifyEnvVarExpansion(otelcol *v1beta1.OpenTelemetryCollector) {
otelcol.Spec.Args[baseFlag] += ",-" + fgFlag
}
}

// ComponentUseLocalHostAsDefaultHost enables component.UseLocalHostAsDefaultHost
// featuregate on the given collector instance.
// NOTE: For more details, visit:
// https://github.com/open-telemetry/opentelemetry-collector/issues/8510
func ComponentUseLocalHostAsDefaultHost(otelcol *v1beta1.OpenTelemetryCollector) {
const (
baseFlag = "feature-gates"
fgFlag = "component.UseLocalHostAsDefaultHost"
)
if otelcol.Spec.Args == nil {
otelcol.Spec.Args = make(map[string]string)
}
args, ok := otelcol.Spec.Args[baseFlag]
if !ok || len(args) == 0 {
otelcol.Spec.Args[baseFlag] = "-" + fgFlag
} else if !strings.Contains(otelcol.Spec.Args[baseFlag], fgFlag) {
otelcol.Spec.Args[baseFlag] += ",-" + fgFlag
}
}
2 changes: 1 addition & 1 deletion pkg/collector/upgrade/v0_104_0_test.go
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Expand Up @@ -56,7 +56,7 @@ func Test0_104_0Upgrade(t *testing.T) {
t.Errorf("expect err: nil but got: %v", err)
}
assert.EqualValues(t,
map[string]string{"feature-gates": "-component.UseLocalHostAsDefaultHost"},
map[string]string{},
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shouldn't this still be true?

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maybe not if the test is running all the upgrades...

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y, I think the Problem is that the upgrade does not stop at 104.

col.Spec.Args, "missing featuregate")
}

Expand Down
25 changes: 25 additions & 0 deletions pkg/collector/upgrade/v0_110_0.go
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@@ -0,0 +1,25 @@
// 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.

package upgrade

import (
"github.com/open-telemetry/opentelemetry-operator/apis/v1beta1"
)

func upgrade0_110_0(_ VersionUpgrade, otelcol *v1beta1.OpenTelemetryCollector) (*v1beta1.OpenTelemetryCollector, error) { //nolint:unparam
envVarExpansionFeatureFlag := "-component.UseLocalHostAsDefaultHost"
otelcol.Spec.OpenTelemetryCommonFields.Args = RemoveFeatureGate(otelcol.Spec.OpenTelemetryCommonFields.Args, envVarExpansionFeatureFlag)
return otelcol, nil
}
10 changes: 4 additions & 6 deletions pkg/collector/upgrade/v0_38_0_test.go
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Expand Up @@ -82,9 +82,8 @@ service:

// verify
assert.Equal(t, map[string]string{
"--hii": "hello",
"--arg1": "",
"feature-gates": "-component.UseLocalHostAsDefaultHost",
"--hii": "hello",
"--arg1": "",
}, res.Spec.Args)

// verify
Expand Down Expand Up @@ -149,8 +148,7 @@ service:
// verify
assert.YAMLEq(t, configWithLogging, res.Spec.Config)
assert.Equal(t, map[string]string{
"--hii": "hello",
"--arg1": "",
"feature-gates": "-component.UseLocalHostAsDefaultHost",
"--hii": "hello",
"--arg1": "",
}, res.Spec.Args)
}
2 changes: 0 additions & 2 deletions pkg/collector/upgrade/v0_43_0_test.go
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Expand Up @@ -82,7 +82,6 @@ service:
assert.Equal(t, map[string]string{
"--test-upgrade43": "true",
"--test-arg1": "otel",
"feature-gates": "-component.UseLocalHostAsDefaultHost",
}, res.Spec.Args)

// verify
Expand Down Expand Up @@ -143,7 +142,6 @@ service:
assert.Equal(t, map[string]string{
"--test-upgrade43": "true",
"--test-arg1": "otel",
"feature-gates": "-component.UseLocalHostAsDefaultHost",
}, res.Spec.Args)

}
4 changes: 4 additions & 0 deletions pkg/collector/upgrade/versions.go
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Expand Up @@ -102,6 +102,10 @@ var (
Version: *semver.MustParse("0.105.0"),
upgradeV1beta1: upgrade0_105_0,
},
{
Version: *semver.MustParse("0.110.0"),
upgradeV1beta1: upgrade0_110_0,
},
}

// Latest represents the latest version that we need to upgrade. This is not necessarily the latest known version.
Expand Down
1 change: 0 additions & 1 deletion tests/e2e-instrumentation/instrumentation-apache-httpd/01-assert.yaml
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Expand Up @@ -46,7 +46,6 @@ spec:
- name: otel-apache-conf-dir
mountPath: /usr/local/apache2/conf
- args:
- --feature-gates=-component.UseLocalHostAsDefaultHost
- --config=env:OTEL_CONFIG
name: otc-container
initContainers:
Expand Down
1 change: 0 additions & 1 deletion tests/e2e-instrumentation/instrumentation-apache-multicontainer/01-assert.yaml
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Expand Up @@ -76,7 +76,6 @@ spec:
- name: OTEL_RESOURCE_ATTRIBUTES
name: myrabbit
- args:
- --feature-gates=-component.UseLocalHostAsDefaultHost
- --config=env:OTEL_CONFIG
name: otc-container
initContainers:
Expand Down
1 change: 0 additions & 1 deletion tests/e2e-instrumentation/instrumentation-apache-multicontainer/02-assert.yaml
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Expand Up @@ -56,7 +56,6 @@ spec:
- image: rabbitmq
name: myrabbit
- args:
- --feature-gates=-component.UseLocalHostAsDefaultHost
- --config=env:OTEL_CONFIG
name: otc-container
initContainers:
Expand Down
1 change: 0 additions & 1 deletion tests/e2e-instrumentation/instrumentation-dotnet-multicontainer/01-assert.yaml
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Expand Up @@ -128,7 +128,6 @@ spec:
- mountPath: /otel-auto-instrumentation-dotnet
name: opentelemetry-auto-instrumentation-dotnet
- args:
- --feature-gates=-component.UseLocalHostAsDefaultHost
- --config=env:OTEL_CONFIG
name: otc-container
initContainers:
Expand Down
1 change: 0 additions & 1 deletion tests/e2e-instrumentation/instrumentation-dotnet-multicontainer/02-assert.yaml
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Expand Up @@ -85,7 +85,6 @@ spec:
- mountPath: /var/run/secrets/kubernetes.io/serviceaccount
readOnly: true
- args:
- --feature-gates=-component.UseLocalHostAsDefaultHost
- --config=env:OTEL_CONFIG
name: otc-container
initContainers:
Expand Down
1 change: 0 additions & 1 deletion tests/e2e-instrumentation/instrumentation-dotnet-musl/01-assert.yaml
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Expand Up @@ -67,7 +67,6 @@ spec:
- mountPath: /otel-auto-instrumentation-dotnet
name: opentelemetry-auto-instrumentation-dotnet
- args:
- --feature-gates=-component.UseLocalHostAsDefaultHost
- --config=env:OTEL_CONFIG
name: otc-container
initContainers:
Expand Down
1 change: 0 additions & 1 deletion tests/e2e-instrumentation/instrumentation-dotnet/01-assert.yaml
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Expand Up @@ -67,7 +67,6 @@ spec:
- mountPath: /otel-auto-instrumentation-dotnet
name: opentelemetry-auto-instrumentation-dotnet
- args:
- --feature-gates=-component.UseLocalHostAsDefaultHost
- --config=env:OTEL_CONFIG
name: otc-container
initContainers:
Expand Down
1 change: 0 additions & 1 deletion tests/e2e-instrumentation/instrumentation-go/02-assert.yaml
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Expand Up @@ -11,7 +11,6 @@ spec:
containers:
- name: productcatalogservice
- args:
- --feature-gates=-component.UseLocalHostAsDefaultHost
- --config=env:OTEL_CONFIG
name: otc-container
- env:
Expand Down
1 change: 0 additions & 1 deletion tests/e2e-instrumentation/instrumentation-java-multicontainer/01-assert.yaml
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Expand Up @@ -110,7 +110,6 @@ spec:
- mountPath: /otel-auto-instrumentation-java
name: opentelemetry-auto-instrumentation-java
- args:
- --feature-gates=-component.UseLocalHostAsDefaultHost
- --config=env:OTEL_CONFIG
name: otc-container
initContainers:
Expand Down
1 change: 0 additions & 1 deletion tests/e2e-instrumentation/instrumentation-java-multicontainer/02-assert.yaml
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Expand Up @@ -76,7 +76,6 @@ spec:
- mountPath: /var/run/secrets/kubernetes.io/serviceaccount
readOnly: true
- args:
- --feature-gates=-component.UseLocalHostAsDefaultHost
- --config=env:OTEL_CONFIG
name: otc-container
initContainers:
Expand Down
1 change: 0 additions & 1 deletion tests/e2e-instrumentation/instrumentation-java-other-ns/03-assert.yaml
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Expand Up @@ -59,7 +59,6 @@ spec:
- mountPath: /otel-auto-instrumentation-java
name: opentelemetry-auto-instrumentation-java
- args:
- --feature-gates=-component.UseLocalHostAsDefaultHost
- --config=env:OTEL_CONFIG
name: otc-container
initContainers:
Expand Down
1 change: 0 additions & 1 deletion tests/e2e-instrumentation/instrumentation-java/01-assert.yaml
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Expand Up @@ -59,7 +59,6 @@ spec:
- mountPath: /otel-auto-instrumentation-java
name: opentelemetry-auto-instrumentation-java
- args:
- --feature-gates=-component.UseLocalHostAsDefaultHost
- --config=env:OTEL_CONFIG
name: otc-container
initContainers:
Expand Down
1 change: 0 additions & 1 deletion tests/e2e-instrumentation/instrumentation-nginx-contnr-secctx/01-assert.yaml
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Expand Up @@ -49,7 +49,6 @@ spec:
- mountPath: /etc/nginx
name: otel-nginx-conf-dir
- args:
- --feature-gates=-component.UseLocalHostAsDefaultHost
- --config=env:OTEL_CONFIG
name: otc-container
initContainers:
Expand Down
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