Golang ec2.InstanceEC2函数代码示例

func (t *localServerSuite) testStartInstanceAvailZoneOneConstrained(c *gc.C, runInstancesError *amzec2.Error) {
	env := t.Prepare(c)
	err := bootstrap.Bootstrap(envtesting.BootstrapContext(c), env, bootstrap.BootstrapParams{})
	c.Assert(err, jc.ErrorIsNil)

	mock := mockAvailabilityZoneAllocations{
		result: []common.AvailabilityZoneInstances{
			{ZoneName: "az1"}, {ZoneName: "az2"},
		},
	}
	t.PatchValue(ec2.AvailabilityZoneAllocations, mock.AvailabilityZoneAllocations)

	// The first call to RunInstances fails with an error indicating the AZ
	// is constrained. The second attempt succeeds, and so allocates to az2.
	var azArgs []string
	realRunInstances := *ec2.RunInstances
	t.PatchValue(ec2.RunInstances, func(e *amzec2.EC2, ri *amzec2.RunInstances) (*amzec2.RunInstancesResp, error) {
		azArgs = append(azArgs, ri.AvailZone)
		if len(azArgs) == 1 {
			return nil, runInstancesError
		}
		return realRunInstances(e, ri)
	})
	inst, hwc := testing.AssertStartInstance(c, env, "1")
	c.Assert(azArgs, gc.DeepEquals, []string{"az1", "az2"})
	c.Assert(ec2.InstanceEC2(inst).AvailZone, gc.Equals, "az2")
	c.Check(*hwc.AvailabilityZone, gc.Equals, "az2")
}

func (t *localServerSuite) TestStartInstanceDistribution(c *gc.C) {
	env := t.Prepare(c)
	err := bootstrap.Bootstrap(envtesting.BootstrapContext(c), env, bootstrap.BootstrapParams{})
	c.Assert(err, jc.ErrorIsNil)

	// test-available is the only available AZ, so AvailabilityZoneAllocations
	// is guaranteed to return that.
	inst, _ := testing.AssertStartInstance(c, env, "1")
	c.Assert(ec2.InstanceEC2(inst).AvailZone, gc.Equals, "test-available")
}

func (t *localServerSuite) TestStartInstanceDistribution(c *gc.C) {
	env := t.Prepare(c)
	envtesting.UploadFakeTools(c, env.Storage())
	err := bootstrap.Bootstrap(coretesting.Context(c), env, environs.BootstrapParams{})
	c.Assert(err, gc.IsNil)

	// test-available is the only available AZ, so BestAvailabilityZoneAllocations
	// is guaranteed to return that.
	inst, _ := testing.AssertStartInstance(c, env, "1")
	c.Assert(ec2.InstanceEC2(inst).AvailZone, gc.Equals, "test-available")
}

func (t *LiveTests) TestStartInstanceConstraints(c *gc.C) {
	cons := constraints.MustParse("mem=2G")
	inst, hc := testing.AssertStartInstanceWithConstraints(c, t.Env, "30", cons)
	defer t.Env.StopInstances(inst.Id())
	ec2inst := ec2.InstanceEC2(inst)
	c.Assert(ec2inst.InstanceType, gc.Equals, "m1.medium")
	c.Assert(*hc.Arch, gc.Equals, "amd64")
	c.Assert(*hc.Mem, gc.Equals, uint64(3840))
	c.Assert(*hc.RootDisk, gc.Equals, uint64(8192))
	c.Assert(*hc.CpuCores, gc.Equals, uint64(1))
	c.Assert(*hc.CpuPower, gc.Equals, uint64(200))
}

func (t *LiveTests) TestStartInstanceConstraints(c *gc.C) {
	t.PrepareOnce(c)
	cons := constraints.MustParse("mem=4G")
	inst, hc := testing.AssertStartInstanceWithConstraints(c, t.Env, t.ControllerUUID, "30", cons)
	defer t.Env.StopInstances(inst.Id())
	ec2inst := ec2.InstanceEC2(inst)
	c.Assert(ec2inst.InstanceType, gc.Equals, "m4.large")
	c.Assert(*hc.Arch, gc.Equals, "amd64")
	c.Assert(*hc.Mem, gc.Equals, uint64(8*1024))
	c.Assert(*hc.RootDisk, gc.Equals, uint64(8*1024))
	c.Assert(*hc.CpuCores, gc.Equals, uint64(2))
}

func (t *localServerSuite) TestInstanceTags(c *gc.C) {
	env := t.Prepare(c)
	err := bootstrap.Bootstrap(envtesting.BootstrapContext(c), env, bootstrap.BootstrapParams{})
	c.Assert(err, jc.ErrorIsNil)

	instances, err := env.AllInstances()
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(instances, gc.HasLen, 1)

	ec2Inst := ec2.InstanceEC2(instances[0])
	c.Assert(ec2Inst.Tags, jc.SameContents, []amzec2.Tag{
		{"Name", "juju-sample-machine-0"},
		{"juju-env-uuid", coretesting.EnvironmentTag.Id()},
		{"juju-is-state", "true"},
	})
}

func (t *LiveTests) TestInstanceAttributes(c *gc.C) {
	inst, hc := testing.AssertStartInstance(c, t.Env, "30")
	defer t.Env.StopInstances(inst.Id())
	// Sanity check for hardware characteristics.
	c.Assert(hc.Arch, gc.NotNil)
	c.Assert(hc.Mem, gc.NotNil)
	c.Assert(hc.RootDisk, gc.NotNil)
	c.Assert(hc.CpuCores, gc.NotNil)
	c.Assert(hc.CpuPower, gc.NotNil)
	addresses, err := jujutesting.WaitInstanceAddresses(t.Env, inst.Id())
	// TODO(niemeyer): This assert sometimes fails with "no instances found"
	c.Assert(err, gc.IsNil)
	c.Assert(addresses, gc.Not(gc.HasLen), 0)

	insts, err := t.Env.Instances([]instance.Id{inst.Id()})
	c.Assert(err, gc.IsNil)
	c.Assert(len(insts), gc.Equals, 1)

	ec2inst := ec2.InstanceEC2(insts[0])
	c.Assert(ec2inst.DNSName, gc.Equals, addresses[0].Value)
	c.Assert(ec2inst.InstanceType, gc.Equals, "m1.small")
}

func (t *localServerSuite) TestStartInstanceAvailZone(c *gc.C) {
	inst, err := t.testStartInstanceAvailZone(c, "test-available")
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(ec2.InstanceEC2(inst).AvailZone, gc.Equals, "test-available")
}