Add a method to filter unsupported instance types

Refs: https://bugs.launchpad.net/juju/+bug/1663047
4a6f656c · Feb 9, 2017 · da2b12a · da2b12a
1 parent 5c089f6
commit da2b12a
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Showing 2 changed files with 25 additions and 149 deletions.
diff --git a/provider/ec2/internal/ec2instancetypes/generated.go b/provider/ec2/internal/ec2instancetypes/generated.go
@@ -1,4 +1,4 @@
-// Copyright 2016 Canonical Ltd.
+// Copyright 2017 Canonical Ltd.
 // Licensed under the AGPLv3, see LICENCE file for details.
 
 package ec2instancetypes
@@ -795,19 +795,6 @@ var allInstanceTypes = map[string][]instances.InstanceType{
 
 	"ap-northeast-2": {
 
-		// SKU: 3MBNRY22Y6A2W6WY
-		// Instance family: General purpose
-		// Storage: 1 x 4 SSD
-		{
-			Name:     "m3.medium",
-			Arches:   amd64,
-			CpuCores: 1,
-			CpuPower: instances.CpuPower(350),
-			Mem:      3840,
-			VirtType: &hvm,
-			Cost:     91,
-		},
-
 		// SKU: 3UWMR4BVSMJ3PTQ5
 		// Instance family: Storage optimized
 		// Storage: 1 x 800 SSD
@@ -821,19 +808,6 @@ var allInstanceTypes = map[string][]instances.InstanceType{
 			Cost:     1000,
 		},
 
-		// SKU: 45D7HY2M47KUYJXR
-		// Instance family: Compute optimized
-		// Storage: 2 x 320 SSD
-		{
-			Name:     "c3.8xlarge",
-			Arches:   amd64,
-			CpuCores: 32,
-			CpuPower: instances.CpuPower(12543),
-			Mem:      61440,
-			VirtType: &hvm,
-			Cost:     1839,
-		},
-
 		// SKU: 5CB9VHZSJWQTZN3W
 		// Instance family: Compute optimized
 		// Storage: EBS only
@@ -873,19 +847,6 @@ var allInstanceTypes = map[string][]instances.InstanceType{
 			Cost:     19341,
 		},
 
-		// SKU: 6K25ZNG5NAXQC5AB
-		// Instance family: GPU instance
-		// Storage: 1 x 60 SSD
-		{
-			Name:     "g2.2xlarge",
-			Arches:   amd64,
-			CpuCores: 8,
-			CpuPower: instances.CpuPower(2911),
-			Mem:      15360,
-			VirtType: &hvm,
-			Cost:     898,
-		},
-
 		// SKU: 6NSPY3BTJRX47KWG
 		// Instance family: General purpose
 		// Storage: EBS only
@@ -925,32 +886,6 @@ var allInstanceTypes = map[string][]instances.InstanceType{
 			Cost:     200,
 		},
 
-		// SKU: 7GTTQXNXREPMU7WY
-		// Instance family: General purpose
-		// Storage: 2 x 40 SSD
-		{
-			Name:     "m3.xlarge",
-			Arches:   amd64,
-			CpuCores: 4,
-			CpuPower: instances.CpuPower(1400),
-			Mem:      15360,
-			VirtType: &hvm,
-			Cost:     366,
-		},
-
-		// SKU: 7MQ7AMJWV8BPWH88
-		// Instance family: Compute optimized
-		// Storage: 2 x 160 SSD
-		{
-			Name:     "c3.4xlarge",
-			Arches:   amd64,
-			CpuCores: 16,
-			CpuPower: instances.CpuPower(6271),
-			Mem:      30720,
-			VirtType: &hvm,
-			Cost:     919,
-		},
-
 		// SKU: 7VFMGFAWZ9QPBHST
 		// Instance family: General purpose
 		// Storage: EBS only
@@ -977,19 +912,6 @@ var allInstanceTypes = map[string][]instances.InstanceType{
 			Cost:     844,
 		},
 
-		// SKU: 98ZFCFAZXXRGF7CG
-		// Instance family: GPU instance
-		// Storage: 2 x 120 SSD
-		{
-			Name:     "g2.8xlarge",
-			Arches:   amd64,
-			CpuCores: 32,
-			CpuPower: instances.CpuPower(11647),
-			Mem:      61440,
-			VirtType: &hvm,
-			Cost:     3592,
-		},
-
 		// SKU: 9DY7H84NVAJTABAD
 		// Instance family: General purpose
 		// Storage: EBS only
@@ -1068,32 +990,6 @@ var allInstanceTypes = map[string][]instances.InstanceType{
 			Cost:     128,
 		},
 
-		// SKU: CFXCUT5A22XNZ43Y
-		// Instance family: Compute optimized
-		// Storage: 2 x 16 SSD
-		{
-			Name:     "c3.large",
-			Arches:   both,
-			CpuCores: 2,
-			CpuPower: instances.CpuPower(783),
-			Mem:      3840,
-			VirtType: &hvm,
-			Cost:     115,
-		},
-
-		// SKU: DTEVN35HD43BM5ST
-		// Instance family: General purpose
-		// Storage: 2 x 80 SSD
-		{
-			Name:     "m3.2xlarge",
-			Arches:   amd64,
-			CpuCores: 8,
-			CpuPower: instances.CpuPower(2800),
-			Mem:      30720,
-			VirtType: &hvm,
-			Cost:     732,
-		},
-
 		// SKU: EGXGRBT8ERK49SBP
 		// Instance family: General purpose
 		// Storage: EBS only
@@ -1159,19 +1055,6 @@ var allInstanceTypes = map[string][]instances.InstanceType{
 			Cost:     1688,
 		},
 
-		// SKU: K79C7JVTDAKRA842
-		// Instance family: General purpose
-		// Storage: 1 x 32 SSD
-		{
-			Name:     "m3.large",
-			Arches:   amd64,
-			CpuCores: 2,
-			CpuPower: instances.CpuPower(700),
-			Mem:      7680,
-			VirtType: &hvm,
-			Cost:     183,
-		},
-
 		// SKU: KF2B96YA25ZRC292
 		// Instance family: Memory optimized
 		// Storage: 1 x 1,920
@@ -1289,32 +1172,6 @@ var allInstanceTypes = map[string][]instances.InstanceType{
 			Cost:     32,
 		},
 
-		// SKU: R7GFV82WRF8QTZYP
-		// Instance family: Compute optimized
-		// Storage: 2 x 40 SSD
-		{
-			Name:     "c3.xlarge",
-			Arches:   amd64,
-			CpuCores: 4,
-			CpuPower: instances.CpuPower(1567),
-			Mem:      7680,
-			VirtType: &hvm,
-			Cost:     230,
-		},
-
-		// SKU: RM2KHQ9S45BW6B7M
-		// Instance family: Compute optimized
-		// Storage: 2 x 80 SSD
-		{
-			Name:     "c3.2xlarge",
-			Arches:   amd64,
-			CpuCores: 8,
-			CpuPower: instances.CpuPower(3135),
-			Mem:      15360,
-			VirtType: &hvm,
-			Cost:     460,
-		},
-
 		// SKU: WFBUYA3WPRPDVNEH
 		// Instance family: Storage optimized
 		// Storage: 12 x 2000 HDD

diff --git a/provider/ec2/internal/ec2instancetypes/process_cost_data.go b/provider/ec2/internal/ec2instancetypes/process_cost_data.go
@@ -73,7 +73,7 @@ func Main() (int, error) {
 		defer fout.Close()
 	}
 
-	tmpl, err := template.New("instanceTypes").Parse(`
+	tmpl := template.Must(template.New("instanceTypes").Parse(`
 // Copyright {{.Year}} Canonical Ltd.
 // Licensed under the AGPLv3, see LICENCE file for details.
 
@@ -117,10 +117,7 @@ var allInstanceTypes = map[string][]instances.InstanceType{
 {{end}}{{end}}
 },
 {{end}}
-}`)
-	if err != nil {
-		panic(err)
-	}
+}`))
 
 	fmt.Fprintln(os.Stderr, "Processing", infilename)
 	instanceTypes, meta, err := process(fin)
@@ -247,13 +244,35 @@ func process(in io.Reader) (map[string][]instanceType, metadata, error) {
 		if !ok {
 			return nil, metadata{}, errors.Errorf("unknown location %q", productInfo.Location)
 		}
+		if !supported(region, instanceType.Name) {
+			continue
+		}
+
 		regionInstanceTypes := instanceTypes[region]
 		regionInstanceTypes = append(regionInstanceTypes, instanceType)
 		instanceTypes[region] = regionInstanceTypes
 	}
 	return instanceTypes, meta, nil
 }
 
+// It appears that instances sometimes show up in the offer list which aren't
+// available in actual regions. e.g. m3.medium is in the offer list for
+// ap-northeast-2, but attempting to launch one returns an unsupported error.
+// See: https://bugs.launchpad.net/juju/+bug/1663047
+func supported(region, instanceType string) bool {
+	switch region {
+	case "ap-northeast-2":
+		switch instanceType[:2] {
+		case "c3", "g2", "m3":
+			return false
+		default:
+			return true
+		}
+	default:
+		return true
+	}
+}
+
 func calculateCPUPower(info productInfo) (uint64, error) {
 	// T-class instances have burstable CPU. This is not captured
 	// in the pricing information, so we have to hard-code it. We