open-nomad/client/fingerprint/cpu_test.go

126 lines
3.3 KiB
Go

package fingerprint
import (
"strconv"
"testing"
"github.com/hashicorp/nomad/ci"
"github.com/hashicorp/nomad/client/config"
"github.com/hashicorp/nomad/helper/testlog"
"github.com/hashicorp/nomad/nomad/structs"
)
func TestCPUFingerprint(t *testing.T) {
ci.Parallel(t)
f := NewCPUFingerprint(testlog.HCLogger(t))
node := &structs.Node{
Attributes: make(map[string]string),
}
request := &FingerprintRequest{Config: &config.Config{}, Node: node}
var response FingerprintResponse
err := f.Fingerprint(request, &response)
if err != nil {
t.Fatalf("err: %v", err)
}
if !response.Detected {
t.Fatalf("expected response to be applicable")
}
// CPU info
attributes := response.Attributes
if attributes == nil {
t.Fatalf("expected attributes to be initialized")
}
if attributes["cpu.numcores"] == "" {
t.Fatalf("Missing Num Cores")
}
if attributes["cpu.modelname"] == "" {
t.Fatalf("Missing Model Name")
}
if attributes["cpu.frequency"] == "" {
t.Fatalf("Missing CPU Frequency")
}
if attributes["cpu.totalcompute"] == "" {
t.Fatalf("Missing CPU Total Compute")
}
// COMPAT(0.10): Remove in 0.10
if response.Resources == nil || response.Resources.CPU == 0 {
t.Fatalf("Expected to find CPU Resources")
}
if response.NodeResources == nil || response.NodeResources.Cpu.CpuShares == 0 {
t.Fatalf("Expected to find CPU Resources")
}
}
// TestCPUFingerprint_OverrideCompute asserts that setting cpu_total_compute in
// the client config overrides the detected CPU freq (if any).
func TestCPUFingerprint_OverrideCompute(t *testing.T) {
ci.Parallel(t)
f := NewCPUFingerprint(testlog.HCLogger(t))
node := &structs.Node{
Attributes: make(map[string]string),
}
cfg := &config.Config{
ReservableCores: []uint16{0, 1, 2},
}
var originalCPU int
{
request := &FingerprintRequest{Config: cfg, Node: node}
var response FingerprintResponse
err := f.Fingerprint(request, &response)
if err != nil {
t.Fatalf("err: %v", err)
}
if !response.Detected {
t.Fatalf("expected response to be applicable")
}
if attr := response.Attributes["cpu.reservablecores"]; attr != "3" {
t.Fatalf("expected cpu.reservablecores == 3 but found %s", attr)
}
if response.Resources.CPU == 0 {
t.Fatalf("expected fingerprint of cpu of but found 0")
}
originalCPU = response.Resources.CPU
}
{
// Override it with a setting
cfg.CpuCompute = originalCPU + 123
// Make sure the Fingerprinter applies the override to the node resources
request := &FingerprintRequest{Config: cfg, Node: node}
var response FingerprintResponse
err := f.Fingerprint(request, &response)
if err != nil {
t.Fatalf("err: %v", err)
}
// COMPAT(0.10): Remove in 0.10
if response.Resources.CPU != cfg.CpuCompute {
t.Fatalf("expected override cpu of %d but found %d", cfg.CpuCompute, response.Resources.CPU)
}
if response.NodeResources.Cpu.CpuShares != int64(cfg.CpuCompute) {
t.Fatalf("expected override cpu of %d but found %d", cfg.CpuCompute, response.NodeResources.Cpu.CpuShares)
}
if response.Attributes["cpu.totalcompute"] != strconv.Itoa(cfg.CpuCompute) {
t.Fatalf("expected override cpu.totalcompute of %d but found %s", cfg.CpuCompute, response.Attributes["cpu.totalcompute"])
}
if attr := response.Attributes["cpu.reservablecores"]; attr != "3" {
t.Fatalf("expected cpu.reservablecores == 3 but found %s", attr)
}
}
}