Update APIs and docs with new strategy

Signed-off-by: Matej Gera <[email protected]>

Author: matej-g

apis/v1alpha1/allocation_strategy.go

@@ -16,7 +16,7 @@ package v1alpha1
 
 type (
 	// OpenTelemetryTargetAllocatorAllocationStrategy represent which strategy to distribute target to each collector
-	// +kubebuilder:validation:Enum=least-weighted;consistent-hashing
+	// +kubebuilder:validation:Enum=least-weighted;consistent-hashing;per-node
 	OpenTelemetryTargetAllocatorAllocationStrategy string
 )
 
@@ -26,4 +26,7 @@ const (
 
 	// OpenTelemetryTargetAllocatorAllocationStrategyConsistentHashing targets will be consistently added to collectors, which allows a high-availability setup.
 	OpenTelemetryTargetAllocatorAllocationStrategyConsistentHashing OpenTelemetryTargetAllocatorAllocationStrategy = "consistent-hashing"
+
+	// OpenTelemetryTargetAllocatorAllocationStrategyPerNode targets will be assigned to the collector on the node they reside on (use only with daemon set).
+	OpenTelemetryTargetAllocatorAllocationStrategyPerNode OpenTelemetryTargetAllocatorAllocationStrategy = "per-node"
 )

apis/v1alpha1/opentelemetrycollector_types.go

@@ -297,7 +297,8 @@ type OpenTelemetryTargetAllocator struct {
 	// +optional
 	Resources v1.ResourceRequirements `json:"resources,omitempty"`
 	// AllocationStrategy determines which strategy the target allocator should use for allocation.
-	// The current options are least-weighted and consistent-hashing. The default option is least-weighted
+	// The current options are least-weighted, consistent-hashing and per-node. The default is
+	// least-weighted.
 	// +optional
 	AllocationStrategy OpenTelemetryTargetAllocatorAllocationStrategy `json:"allocationStrategy,omitempty"`
 	// FilterStrategy determines how to filter targets before allocating them among the collectors.

bundle/manifests/opentelemetry.io_opentelemetrycollectors.yaml

@@ -4832,11 +4832,12 @@ spec:
                   allocationStrategy:
                     description: AllocationStrategy determines which strategy the
                       target allocator should use for allocation. The current options
-                      are least-weighted and consistent-hashing. The default option
-                      is least-weighted
+                      are least-weighted, consistent-hashing and per-node. The default
+                      is least-weighted.
                     enum:
                     - least-weighted
                     - consistent-hashing
+                    - per-node
                     type: string
                   enabled:
                     description: Enabled indicates whether to use a target allocation

config/crd/bases/opentelemetry.io_opentelemetrycollectors.yaml

@@ -4829,11 +4829,12 @@ spec:
                   allocationStrategy:
                     description: AllocationStrategy determines which strategy the
                       target allocator should use for allocation. The current options
-                      are least-weighted and consistent-hashing. The default option
-                      is least-weighted
+                      are least-weighted, consistent-hashing and per-node. The default
+                      is least-weighted.
                     enum:
                     - least-weighted
                     - consistent-hashing
+                    - per-node
                     type: string
                   enabled:
                     description: Enabled indicates whether to use a target allocation

docs/api.md

@@ -18027,9 +18027,9 @@ TargetAllocator indicates a value which determines whether to spawn a target all
         <td><b>allocationStrategy</b></td>
         <td>enum</td>
         <td>
-          AllocationStrategy determines which strategy the target allocator should use for allocation. The current options are least-weighted and consistent-hashing. The default option is least-weighted<br/>
+          AllocationStrategy determines which strategy the target allocator should use for allocation. The current options are least-weighted, consistent-hashing and per-node. The default option is least-weighted<br/>
           <br/>
-            <i>Enum</i>: least-weighted, consistent-hashing<br/>
+            <i>Enum</i>: least-weighted, consistent-hashing, per-node<br/>
         </td>
         <td>false</td>
       </tr><tr>