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compose
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Use compose resource request to set ACI retrouve request, and single container resource requests. 

Limits should be used to allow one container in a container group to use more than the container requested resources, up to the total resources requested for the container group. 

Signed-off-by: Guillaume Tardif <guillaume.tardif@docker.com>
This commit is contained in:
Guillaume Tardif 2020-10-05 15:50:28 +02:00
parent cda66b5e90
commit c09f771359
3 changed files with 20 additions and 28 deletions
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2
aci/convert/container.go
View File

@ -54,7 +54,7 @@ func ContainerToComposeProject(r containers.ContainerConfig) (types.Project, err
Environment: toComposeEnvs(r.Environment),
Deploy: &types.DeployConfig{
Resources: types.Resources{
Limits: &types.Resource{
Reservations: &types.Resource{
NanoCPUs: fmt.Sprintf("%f", r.CPULimit),
MemoryBytes: types.UnitBytes(r.MemLimit.Value()),
},

26
aci/convert/convert.go
View File

@ -175,10 +175,6 @@ func getDNSSidecar(containers []containerinstance.Container) containerinstance.C
Image: to.StringPtr(dnsSidecarImage),
Command: &alpineCmd,
Resources: &containerinstance.ResourceRequirements{
Limits: &containerinstance.ResourceLimits{
MemoryInGB: to.Float64Ptr(0.1), // "The memory requirement should be in incrememts of 0.1 GB."
CPU: to.Float64Ptr(0.01), // "The CPU requirement should be in incrememts of 0.01."
},
Requests: &containerinstance.ResourceRequests{
MemoryInGB: to.Float64Ptr(0.1),
CPU: to.Float64Ptr(0.01),
@ -357,14 +353,14 @@ func (s serviceConfigAciHelper) getAciContainer(volumesCache map[string]bool) (c
volumes = &allVolumes
}
memLimit := 1. // Default 1 Gb
var cpuLimit float64 = 1
if s.Deploy != nil && s.Deploy.Resources.Limits != nil {
if s.Deploy.Resources.Limits.MemoryBytes != 0 {
memLimit = bytesToGb(s.Deploy.Resources.Limits.MemoryBytes)
memRequest := 1. // Default 1 Gb
var cpuRequest float64 = 1
if s.Deploy != nil && s.Deploy.Resources.Reservations != nil {
if s.Deploy.Resources.Reservations.MemoryBytes != 0 {
memRequest = bytesToGb(s.Deploy.Resources.Reservations.MemoryBytes)
}
if s.Deploy.Resources.Limits.NanoCPUs != "" {
cpuLimit, err = strconv.ParseFloat(s.Deploy.Resources.Limits.NanoCPUs, 0)
if s.Deploy.Resources.Reservations.NanoCPUs != "" {
cpuRequest, err = strconv.ParseFloat(s.Deploy.Resources.Reservations.NanoCPUs, 0)
if err != nil {
return containerinstance.Container{}, err
}
@ -377,13 +373,9 @@ func (s serviceConfigAciHelper) getAciContainer(volumesCache map[string]bool) (c
Command: to.StringSlicePtr(s.Command),
EnvironmentVariables: getEnvVariables(s.Environment),
Resources: &containerinstance.ResourceRequirements{
Limits: &containerinstance.ResourceLimits{
MemoryInGB: to.Float64Ptr(memLimit),
CPU: to.Float64Ptr(cpuLimit),
},
Requests: &containerinstance.ResourceRequests{
MemoryInGB: to.Float64Ptr(memLimit), // TODO: use the memory requests here and not limits
CPU: to.Float64Ptr(cpuLimit), // TODO: use the cpu requests here and not limits
MemoryInGB: to.Float64Ptr(memRequest),
CPU: to.Float64Ptr(cpuRequest),
},
},
VolumeMounts: volumes,

20
aci/convert/convert_test.go
View File

@ -536,7 +536,7 @@ func TestComposeContainerGroupToContainerIgnoreDomainNameWithoutPorts(t *testing
assert.Assert(t, group.IPAddress == nil)
}
func TestComposeContainerGroupToContainerResourceLimits(t *testing.T) {
func TestComposeContainerGroupToContainerResourceRequests(t *testing.T) {
_0_1Gb := 0.1 * 1024 * 1024 * 1024
project := types.Project{
Services: []types.ServiceConfig{
@ -545,7 +545,7 @@ func TestComposeContainerGroupToContainerResourceLimits(t *testing.T) {
Image: "image1",
Deploy: &types.DeployConfig{
Resources: types.Resources{
Limits: &types.Resource{
Reservations: &types.Resource{
NanoCPUs: "0.1",
MemoryBytes: types.UnitBytes(_0_1Gb),
},
@ -558,12 +558,12 @@ func TestComposeContainerGroupToContainerResourceLimits(t *testing.T) {
group, err := ToContainerGroup(context.TODO(), convertCtx, project, mockStorageHelper)
assert.NilError(t, err)
limits := *((*group.Containers)[0]).Resources.Limits
assert.Equal(t, *limits.CPU, float64(0.1))
assert.Equal(t, *limits.MemoryInGB, float64(0.1))
request := *((*group.Containers)[0]).Resources.Requests
assert.Equal(t, *request.CPU, float64(0.1))
assert.Equal(t, *request.MemoryInGB, float64(0.1))
}
func TestComposeContainerGroupToContainerResourceLimitsDefaults(t *testing.T) {
func TestComposeContainerGroupToContainerResourceRequestsDefaults(t *testing.T) {
project := types.Project{
Services: []types.ServiceConfig{
{
@ -571,7 +571,7 @@ func TestComposeContainerGroupToContainerResourceLimitsDefaults(t *testing.T) {
Image: "image1",
Deploy: &types.DeployConfig{
Resources: types.Resources{
Limits: &types.Resource{
Reservations: &types.Resource{
NanoCPUs: "",
MemoryBytes: 0,
},
@ -584,9 +584,9 @@ func TestComposeContainerGroupToContainerResourceLimitsDefaults(t *testing.T) {
group, err := ToContainerGroup(context.TODO(), convertCtx, project, mockStorageHelper)
assert.NilError(t, err)
limits := *((*group.Containers)[0]).Resources.Limits
assert.Equal(t, *limits.CPU, float64(1))
assert.Equal(t, *limits.MemoryInGB, float64(1))
request := *((*group.Containers)[0]).Resources.Requests
assert.Equal(t, *request.CPU, float64(1))
assert.Equal(t, *request.MemoryInGB, float64(1))
}
func TestComposeContainerGroupToContainerenvVar(t *testing.T) {