Set update strategy in crd for deployment

.chloggen/set-rollout-strat-deployment.yaml

@@ -0,0 +1,16 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+
+# The name of the component, or a single word describing the area of concern, (e.g. operator, target allocator, github action)
+component: operator
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Adds deployment rollout strategy to CRD fields
+
+# One or more tracking issues related to the change
+issues: [2512]
+
+# (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:

apis/v1alpha1/collector_webhook.go

@@ -357,6 +357,11 @@ func (c CollectorWebhook) validate(ctx context.Context, r *OpenTelemetryCollecto
 		return warnings, fmt.Errorf("the OpenTelemetry Collector mode is set to %s, which does not support the attribute 'updateStrategy'", r.Spec.Mode)
 	}
 
+	// validate updateStrategy for Deployment
+	if r.Spec.Mode != ModeDeployment && len(r.Spec.DeploymentUpdateStrategy.Type) > 0 {
+		return warnings, fmt.Errorf("the OpenTelemetry Collector mode is set to %s, which does not support the attribute 'deploymentUpdateStrategy'", r.Spec.Mode)
+	}
+
 	return warnings, nil
 }
 

apis/v1alpha1/collector_webhook_test.go

@@ -1041,6 +1041,22 @@ func TestOTELColValidatingWebhook(t *testing.T) {
 			},
 			expectedErr: "the OpenTelemetry Collector mode is set to deployment, which does not support the attribute 'updateStrategy'",
 		},
+		{
+			name: "invalid updateStrategy for Statefulset mode",
+			otelcol: OpenTelemetryCollector{
+				Spec: OpenTelemetryCollectorSpec{
+					Mode: ModeStatefulSet,
+					DeploymentUpdateStrategy: appsv1.DeploymentStrategy{
+						Type: "RollingUpdate",
+						RollingUpdate: &appsv1.RollingUpdateDeployment{
+							MaxSurge:       &intstr.IntOrString{Type: intstr.Int, IntVal: int32(1)},
+							MaxUnavailable: &intstr.IntOrString{Type: intstr.Int, IntVal: int32(1)},
+						},
+					},
+				},
+			},
+			expectedErr: "the OpenTelemetry Collector mode is set to statefulset, which does not support the attribute 'deploymentUpdateStrategy'",
+		},
 	}
 
 	for _, test := range tests {

apis/v1alpha1/opentelemetrycollector_types.go

@@ -281,6 +281,11 @@ type OpenTelemetryCollectorSpec struct {
 	// This is only applicable to Daemonset mode.
 	// +optional
 	UpdateStrategy appsv1.DaemonSetUpdateStrategy `json:"updateStrategy,omitempty"`
+	// UpdateStrategy represents the strategy the operator will take replacing existing Deployment pods with new pods
+	// https://kubernetes.io/docs/reference/kubernetes-api/workload-resources/deployment-v1/#DeploymentSpec
+	// This is only applicable to Deployment mode.
+	// +optional
+	DeploymentUpdateStrategy appsv1.DeploymentStrategy `json:"deploymentUpdateStrategy,omitempty"`
 }
 
 // OpenTelemetryTargetAllocator defines the configurations for the Prometheus target allocator.

apis/v1alpha2/opentelemetrycollector_types.go

@@ -17,6 +17,7 @@
 package v1alpha2
 
 import (
+	appsv1 "k8s.io/api/apps/v1"
 	networkingv1 "k8s.io/api/networking/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
@@ -152,6 +153,16 @@ type OpenTelemetryCollectorSpec struct {
 	// object, which shall be mounted into the Collector Pods.
 	// Each ConfigMap will be added to the Collector's Deployments as a volume named `configmap-<configmap-name>`.
 	ConfigMaps []v1alpha1.ConfigMapsSpec `json:"configmaps,omitempty"`
+	// UpdateStrategy represents the strategy the operator will take replacing existing DaemonSet pods with new pods
+	// https://kubernetes.io/docs/reference/kubernetes-api/workload-resources/daemon-set-v1/#DaemonSetSpec
+	// This is only applicable to Daemonset mode.
+	// +optional
+	DaemonSetUpdateStrategy appsv1.DaemonSetUpdateStrategy `json:"daemonSetUpdateStrategy,omitempty"`
+	// UpdateStrategy represents the strategy the operator will take replacing existing Deployment pods with new pods
+	// https://kubernetes.io/docs/reference/kubernetes-api/workload-resources/deployment-v1/#DeploymentSpec
+	// This is only applicable to Deployment mode.
+	// +optional
+	DeploymentUpdateStrategy appsv1.DeploymentStrategy `json:"deploymentUpdateStrategy,omitempty"`
 }
 
 // OpenTelemetryCollectorStatus defines the observed state of OpenTelemetryCollector.

bundle/manifests/opentelemetry.io_opentelemetrycollectors.yaml

@@ -2221,6 +2221,37 @@ spec:
                   - name
                   type: object
                 type: array
+              deploymentUpdateStrategy:
+                description: UpdateStrategy represents the strategy the operator will
+                  take replacing existing Deployment pods with new pods https://kubernetes.
+                properties:
+                  rollingUpdate:
+                    description: 'Rolling update config params. Present only if DeploymentStrategyType
+                      = RollingUpdate. --- TODO: Update this to follow our convention
+                      for oneOf, whatever we decide it to be.'
+                    properties:
+                      maxSurge:
+                        anyOf:
+                        - type: integer
+                        - type: string
+                        description: 'The maximum number of pods that can be scheduled
+                          above the desired number of pods. Value can be an absolute
+                          number (ex: 5) or a percentage of desired pods (ex: 10%).'
+                        x-kubernetes-int-or-string: true
+                      maxUnavailable:
+                        anyOf:
+                        - type: integer
+                        - type: string
+                        description: 'The maximum number of pods that can be unavailable
+                          during the update. Value can be an absolute number (ex:
+                          5) or a percentage of desired pods (ex: 10%).'
+                        x-kubernetes-int-or-string: true
+                    type: object
+                  type:
+                    description: Type of deployment. Can be "Recreate" or "RollingUpdate".
+                      Default is RollingUpdate.
+                    type: string
+                type: object
               env:
                 description: ENV vars to set on the OpenTelemetry Collector's Pods.
                   These can then in certain cases be consumed in the config file for

config/crd/bases/opentelemetry.io_opentelemetrycollectors.yaml

@@ -2218,6 +2218,37 @@ spec:
                   - name
                   type: object
                 type: array
+              deploymentUpdateStrategy:
+                description: UpdateStrategy represents the strategy the operator will
+                  take replacing existing Deployment pods with new pods https://kubernetes.
+                properties:
+                  rollingUpdate:
+                    description: 'Rolling update config params. Present only if DeploymentStrategyType
+                      = RollingUpdate. --- TODO: Update this to follow our convention
+                      for oneOf, whatever we decide it to be.'
+                    properties:
+                      maxSurge:
+                        anyOf:
+                        - type: integer
+                        - type: string
+                        description: 'The maximum number of pods that can be scheduled
+                          above the desired number of pods. Value can be an absolute
+                          number (ex: 5) or a percentage of desired pods (ex: 10%).'
+                        x-kubernetes-int-or-string: true
+                      maxUnavailable:
+                        anyOf:
+                        - type: integer
+                        - type: string
+                        description: 'The maximum number of pods that can be unavailable
+                          during the update. Value can be an absolute number (ex:
+                          5) or a percentage of desired pods (ex: 10%).'
+                        x-kubernetes-int-or-string: true
+                    type: object
+                  type:
+                    description: Type of deployment. Can be "Recreate" or "RollingUpdate".
+                      Default is RollingUpdate.
+                    type: string
+                type: object
               env:
                 description: ENV vars to set on the OpenTelemetry Collector's Pods.
                   These can then in certain cases be consumed in the config file for

docs/api.md

@@ -9642,6 +9642,13 @@ OpenTelemetryCollectorSpec defines the desired state of OpenTelemetryCollector.
           ConfigMaps is a list of ConfigMaps in the same namespace as the OpenTelemetryCollector object, which shall be mounted into the Collector Pods.<br/>
         </td>
         <td>false</td>
+      </tr><tr>
+        <td><b><a href="#opentelemetrycollectorspecdeploymentupdatestrategy">deploymentUpdateStrategy</a></b></td>
+        <td>object</td>
+        <td>
+          UpdateStrategy represents the strategy the operator will take replacing existing Deployment pods with new pods https://kubernetes.<br/>
+        </td>
+        <td>false</td>
       </tr><tr>
         <td><b><a href="#opentelemetrycollectorspecenvindex">env</a></b></td>
         <td>[]object</td>
@@ -14212,6 +14219,74 @@ target specifies the target value for the given metric
 </table>
 
 
+### OpenTelemetryCollector.spec.deploymentUpdateStrategy
+<sup><sup>[↩ Parent](#opentelemetrycollectorspec)</sup></sup>
+
+
+
+UpdateStrategy represents the strategy the operator will take replacing existing Deployment pods with new pods https://kubernetes.
+
+<table>
+    <thead>
+        <tr>
+            <th>Name</th>
+            <th>Type</th>
+            <th>Description</th>
+            <th>Required</th>
+        </tr>
+    </thead>
+    <tbody><tr>
+        <td><b><a href="#opentelemetrycollectorspecdeploymentupdatestrategyrollingupdate">rollingUpdate</a></b></td>
+        <td>object</td>
+        <td>
+          Rolling update config params. Present only if DeploymentStrategyType = RollingUpdate. --- TODO: Update this to follow our convention for oneOf, whatever we decide it to be.<br/>
+        </td>
+        <td>false</td>
+      </tr><tr>
+        <td><b>type</b></td>
+        <td>string</td>
+        <td>
+          Type of deployment. Can be "Recreate" or "RollingUpdate". Default is RollingUpdate.<br/>
+        </td>
+        <td>false</td>
+      </tr></tbody>
+</table>
+
+
+### OpenTelemetryCollector.spec.deploymentUpdateStrategy.rollingUpdate
+<sup><sup>[↩ Parent](#opentelemetrycollectorspecdeploymentupdatestrategy)</sup></sup>
+
+
+
+Rolling update config params. Present only if DeploymentStrategyType = RollingUpdate. --- TODO: Update this to follow our convention for oneOf, whatever we decide it to be.
+
+<table>
+    <thead>
+        <tr>
+            <th>Name</th>
+            <th>Type</th>
+            <th>Description</th>
+            <th>Required</th>
+        </tr>
+    </thead>
+    <tbody><tr>
+        <td><b>maxSurge</b></td>
+        <td>int or string</td>
+        <td>
+          The maximum number of pods that can be scheduled above the desired number of pods. Value can be an absolute number (ex: 5) or a percentage of desired pods (ex: 10%).<br/>
+        </td>
+        <td>false</td>
+      </tr><tr>
+        <td><b>maxUnavailable</b></td>
+        <td>int or string</td>
+        <td>
+          The maximum number of pods that can be unavailable during the update. Value can be an absolute number (ex: 5) or a percentage of desired pods (ex: 10%).<br/>
+        </td>
+        <td>false</td>
+      </tr></tbody>
+</table>
+
+
 ### OpenTelemetryCollector.spec.env[index]
 <sup><sup>[↩ Parent](#opentelemetrycollectorspec)</sup></sup>
 

internal/manifests/collector/deployment.go

@@ -44,6 +44,7 @@ func Deployment(params manifests.Params) *appsv1.Deployment {
 			Selector: &metav1.LabelSelector{
 				MatchLabels: manifestutils.SelectorLabels(params.OtelCol.ObjectMeta, ComponentOpenTelemetryCollector),
 			},
+			Strategy: params.OtelCol.Spec.DeploymentUpdateStrategy,
 			Template: corev1.PodTemplateSpec{
 				ObjectMeta: metav1.ObjectMeta{
 					Labels:      labels,

internal/manifests/collector/deployment_test.go

@@ -18,8 +18,10 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
+	appsv1 "k8s.io/api/apps/v1"
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/util/intstr"
 
 	"github.com/open-telemetry/opentelemetry-operator/apis/v1alpha1"
 	"github.com/open-telemetry/opentelemetry-operator/internal/config"
@@ -203,6 +205,37 @@ func TestDeploymenttPodSecurityContext(t *testing.T) {
 	assert.Equal(t, &runasGroup, d.Spec.Template.Spec.SecurityContext.RunAsGroup)
 }
 
+func TestDeploymentUpdateStrategy(t *testing.T) {
+	otelcol := v1alpha1.OpenTelemetryCollector{
+		ObjectMeta: metav1.ObjectMeta{
+			Name: "my-instance",
+		},
+		Spec: v1alpha1.OpenTelemetryCollectorSpec{
+			DeploymentUpdateStrategy: appsv1.DeploymentStrategy{
+				Type: "RollingUpdate",
+				RollingUpdate: &appsv1.RollingUpdateDeployment{
+					MaxSurge:       &intstr.IntOrString{Type: intstr.Int, IntVal: int32(1)},
+					MaxUnavailable: &intstr.IntOrString{Type: intstr.Int, IntVal: int32(1)},
+				},
+			},
+		},
+	}
+
+	cfg := config.New()
+
+	params := manifests.Params{
+		Config:  cfg,
+		OtelCol: otelcol,
+		Log:     logger,
+	}
+
+	d := Deployment(params)
+
+	assert.Equal(t, "RollingUpdate", string(d.Spec.Strategy.Type))
+	assert.Equal(t, 1, d.Spec.Strategy.RollingUpdate.MaxSurge.IntValue())
+	assert.Equal(t, 1, d.Spec.Strategy.RollingUpdate.MaxUnavailable.IntValue())
+}
+
 func TestDeploymentHostNetwork(t *testing.T) {
 	// Test default
 	otelcol1 := v1alpha1.OpenTelemetryCollector{