feat: add per-function vcpu parameter (#645)

Author: eduardoboucas

go/models/function_config.go

@@ -840,7 +840,7 @@ func bundleFromManifest(ctx context.Context, manifestFile *os.File, observer Dep
 			}
 		}
 
-		hasConfig := function.DisplayName != "" || function.Generator != "" || len(routes) > 0 || len(excludedRoutes) > 0 || len(function.BuildData) > 0 || function.Priority != 0 || function.TrafficRules != nil || function.Timeout != 0 || len(function.EventSubscriptions) > 0 || function.Region != "" || function.Memory != 0
+		hasConfig := function.DisplayName != "" || function.Generator != "" || len(routes) > 0 || len(excludedRoutes) > 0 || len(function.BuildData) > 0 || function.Priority != 0 || function.TrafficRules != nil || function.Timeout != 0 || len(function.EventSubscriptions) > 0 || function.Region != "" || function.Memory != 0 || function.Vcpu != 0
 		if hasConfig {
 			cfg := models.FunctionConfig{
 				DisplayName:        function.DisplayName,
@@ -852,6 +852,7 @@ func bundleFromManifest(ctx context.Context, manifestFile *os.File, observer Dep
 				BuildData:          function.BuildData,
 				Priority:           int64(function.Priority),
 				EventSubscriptions: function.EventSubscriptions,
+				Vcpu:               function.Vcpu,
 			}
 
 			if function.TrafficRules != nil {

go/porcelain/deploy.go

@@ -27,6 +27,7 @@ type functionsManifestEntry struct {
 	ExcludedRoutes     []excludedFunctionRoute `json:"excludedRoutes"`
 	Priority           int                     `json:"priority"`
 	TrafficRules       *functionTrafficRules   `json:"trafficRules"`
+	Vcpu               float32                 `json:"vcpu"`
 }
 
 type functionRoute struct {

go/porcelain/functions_manifest.go

@@ -5558,7 +5558,7 @@ definitions:
       memory:
         type: integer
         description: |
-          The function's memory allocation in MB.
+          The function's memory allocation in MB. Mutually exclusive with `vcpu`.
       routes:
         type: array
         items:
@@ -5573,6 +5573,12 @@ definitions:
         type: string
       traffic_rules:
         $ref: '#/definitions/trafficRulesConfig'
+      vcpu:
+        type: number
+        format: float
+        description: |
+          Number of vCPUs to provision for the function. Allowed range is
+          0.5–2.
       event_subscriptions:
         type: array
         items: