Add unassigned primary shards to health reports (#2851)

Author: pquentin

output/openapi/elasticsearch-openapi.json

@@ -71,6 +71,11 @@ export class HealthRecord {
    * @aliases i,shards.initializing,shardsInitializing
    */
   'init'?: string
+  /**
+   * number of unassigned primary shards
+   * @aliases up,shards.unassigned.primary,shardsUnassignedPrimary
+   */
+  'unassign.pri'?: string
   /**
    * number of unassigned shards
    * @aliases u,shards.unassigned,shardsUnassigned

output/schema/schema.json

@@ -67,6 +67,8 @@ export class HealthResponseBody {
   task_max_waiting_in_queue_millis: DurationValue<UnitMillis>
   /** If false the response returned within the period of time that is specified by the timeout parameter (30s by default) */
   timed_out: boolean
+  /** The number of primary shards that are not allocated. */
+  unassigned_primary_shards: integer
   /** The number of shards that are not allocated. */
   unassigned_shards: integer
 }

output/typescript/types.ts

@@ -31,6 +31,7 @@ export class IndexHealthStats {
   shards?: Dictionary<string, ShardHealthStats>
   status: HealthStatus
   unassigned_shards: integer
+  unassigned_primary_shards: integer
 }
 
 export class ShardHealthStats {
@@ -40,4 +41,5 @@ export class ShardHealthStats {
   relocating_shards: integer
   status: HealthStatus
   unassigned_shards: integer
+  unassigned_primary_shards: integer
 }