Taking max replica requirement from jm and tms, updating health interpreter, adding getResourceQuantity function to kube library

Signed-off-by: mszacillo <mszacillo@bloomberg.net>

pkg/resourceinterpreter/customized/declarative/luavm/kube.go

@@ -17,6 +17,8 @@ limitations under the License.
 package luavm
 
 import (
+	"math"
+
 	lua "github.com/yuin/gopher-lua"
 	corev1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
@@ -57,6 +59,7 @@ var kubeFuncs = map[string]lua.LGFunction{
 	"resourceAdd":             resourceAdd,
 	"accuratePodRequirements": accuratePodRequirements,
 	"getPodDependencies":      getPodDependencies,
+	"getResourceQuantity":     getResourceQuantity,
 }
 
 func resourceAdd(ls *lua.LState) int {
@@ -127,6 +130,30 @@ func getPodDependencies(ls *lua.LState) int {
 	return 1
 }
 
+func getResourceQuantity(ls *lua.LState) int {
+	n := ls.GetTop()
+	if n != 1 {
+		ls.RaiseError("getResourceQuantity only accepts one argument")
+		return 0
+	}
+
+	q := checkResourceQuantity(ls, n)
+	num := q.AsApproximateFloat64()
+
+	if num < 0 {
+		ls.RaiseError("int approximation unexpectedly returned a negative value: %#v,", q)
+		return 0
+	}
+
+	if math.IsInf(num, 1) {
+		ls.RaiseError("int approximation unexpectedly returned an infinite value: %#v,", q)
+		return 0
+	}
+
+	ls.Push(lua.LNumber(num))
+	return 1
+}
+
 func checkResourceQuantity(ls *lua.LState, n int) resource.Quantity {
 	v := ls.Get(n)
 	switch typ := v.Type(); typ {

pkg/resourceinterpreter/default/thirdparty/resourcecustomizations/flink.apache.org/v1beta1/FlinkDeployment/customizations.yaml

@@ -11,7 +11,11 @@ spec:
       luaScript: >
         function InterpretHealth(observedObj)
           if observedObj.status ~= nil and observedObj.status.jobStatus ~= nil then
-            return observedObj.status.jobStatus.state ~= 'CREATED' and observedObj.status.jobStatus.state ~= 'RECONCILING'
+            if observedObj.status.jobStatus.state ~= 'CREATED' and observedObj.status.jobStatus.state ~= 'RECONCILING' then
+              return true
+            else
+              return observedObj.status.jobManagerDeploymentStatus == 'ERROR'
+            end
           end
           return false
         end
@@ -24,33 +28,37 @@ spec:
         end
 
         function GetReplicas(observedObj)
-          -- FlinkDeployments presently will not be subdivided among clusters, replica should be 1
-          replica = 1
           requires = {
             resourceRequest = {},
+            nodeClaim = {},
           }
-          -- Add jobmanager resources into replica requirement
 
           jm_replicas = observedObj.spec.jobManager.replicas
           if isempty(jm_replicas) then
             jm_replicas = 1
           end
 
-          for i = 1, jm_replicas do
-            requires.resourceRequest.cpu = kube.resourceAdd(requires.resourceRequest.cpu, tostring(observedObj.spec.jobManager.resource.cpu))
-            requires.resourceRequest.memory = kube.resourceAdd(requires.resourceRequest.memory, observedObj.spec.jobManager.resource.memory)
-          end
-
-          -- Add task manager resources into replica requirement
-
           parallelism = observedObj.spec.job.parallelism
-          tms = math.ceil(parallelism / observedObj.spec.flinkConfiguration['taskmanager.numberOfTaskSlots'])
+          tm_replicas = math.ceil(parallelism / observedObj.spec.flinkConfiguration['taskmanager.numberOfTaskSlots'])
 
-          for i = 1, tms do
-            requires.resourceRequest.cpu = kube.resourceAdd(requires.resourceRequest.cpu, tostring(observedObj.spec.taskManager.resource.cpu))
-            requires.resourceRequest.memory = kube.resourceAdd(requires.resourceRequest.memory, observedObj.spec.taskManager.resource.memory)
+          replica = jm_replicas + tm_replicas
+
+          -- Until multiple podTemplates are supported in replicaRequirements, take max of cpu + memory values as requirement
+
+          requires.resourceRequest.cpu = math.max(observedObj.spec.taskManager.resource.cpu, observedObj.spec.jobManager.resource.cpu)
+          jm_memory_value = kube.getResourceQuantity(observedObj.spec.jobManager.resource.memory)
+          tm_memory_value = kube.getResourceQuantity(observedObj.spec.taskManager.resource.memory)
+          if jm_memory_value > tm_memory_value then
+            requires.resourceRequest.memory = observedObj.spec.jobManager.resource.memory
+          else
+            requires.resourceRequest.memory = observedObj.spec.taskManager.resource.memory
           end
 
+          -- Until multiple podTemplates are supported, interpreter will only take affinity and toleration input to common podTemplate
+
+          requires.nodeClaim.nodeSelector = observedObj.spec.podTemplate.spec.nodeSelector
+          requires.nodeClaim.tolerations = observedObj.spec.podTemplate.spec.tolerations
+
           return replica, requires
         end
     statusAggregation: