Added special case for rke2 (SUSE Rancher) nodes. Skips ratio calculations when defaulting prices that was messing up results.

Signed-off-by: Ashleigh <ashleigh@kubecost.com>

pkg/costmodel/costmodel.go

@@ -1115,7 +1115,60 @@ func (cm *CostModel) GetNodeCost(cp costAnalyzerCloud.Provider) (map[string]*cos
 			gpuc = 0.0
 		}
 
-		if newCnode.GPU != "" && newCnode.GPUCost == "" {
+		// Special case for SUSE rancher, since it won't behave with normal
+		// calculations, courtesy of the instance type not being "real" (a
+		// recognizable AWS instance type.)
+		if newCnode.InstanceType == "rke2" {
+			log.Infof(
+				"Found a SUSE Rancher node %s, defaulting and skipping math",
+				cp.GetKey(nodeLabels, n).Features(),
+			)
+
+			defaultCPUCorePrice, err := strconv.ParseFloat(cfg.CPU, 64)
+			if err != nil {
+				log.Errorf("Could not parse default cpu price")
+				defaultCPUCorePrice = 0
+			}
+			if math.IsNaN(defaultCPUCorePrice) {
+				log.Warnf("defaultCPU parsed as NaN. Setting to 0.")
+				defaultCPUCorePrice = 0
+			}
+
+			defaultRAMPrice, err := strconv.ParseFloat(cfg.RAM, 64)
+			if err != nil {
+				log.Errorf("Could not parse default ram price")
+				defaultRAMPrice = 0
+			}
+			if math.IsNaN(defaultRAMPrice) {
+				log.Warnf("defaultRAM parsed as NaN. Setting to 0.")
+				defaultRAMPrice = 0
+			}
+
+			defaultGPUPrice, err := strconv.ParseFloat(cfg.GPU, 64)
+			if err != nil {
+				log.Errorf("Could not parse default gpu price")
+				defaultGPUPrice = 0
+			}
+			if math.IsNaN(defaultGPUPrice) {
+				log.Warnf("defaultGPU parsed as NaN. Setting to 0.")
+				defaultGPUPrice = 0
+			}
+			// Just say no to doing the ratios!
+			cpuCost := defaultCPUCorePrice * cpu
+			gpuCost := defaultGPUPrice * gpuc
+			ramCost := defaultRAMPrice * ram
+			nodeCost := cpuCost + gpuCost + ramCost
+
+			newCnode.Cost = fmt.Sprintf("%f", nodeCost)
+			newCnode.VCPUCost = fmt.Sprintf("%f", cpuCost)
+			newCnode.GPUCost = fmt.Sprintf("%f", gpuCost)
+			newCnode.RAMCost = fmt.Sprintf("%f", ramCost)
+			newCnode.RAMBytes = fmt.Sprintf("%f", ram)
+
+		} else if newCnode.GPU != "" && newCnode.GPUCost == "" {
+			// was the big thing to investigate. All the funky ratio math
+			// we were doing was messing with their default pricing. for SUSE Rancher.
+
 			// We couldn't find a gpu cost, so fix cpu and ram, then accordingly
 			log.Infof("GPU without cost found for %s, calculating...", cp.GetKey(nodeLabels, n).Features())