Add cpu and memory limits

Signed-off-by: Ulysses Souza <ulyssessouza@gmail.com>

azure/backend.go

@@ -179,6 +179,14 @@ func (cs *aciContainerService) Run(ctx context.Context, r containers.ContainerCo
 					Ports:   ports,
 					Labels:  r.Labels,
 					Volumes: serviceConfigVolumes,
+					Deploy: &types.DeployConfig{
+						Resources: types.Resources{
+							Limits: &types.Resource{
+								NanoCPUs:    fmt.Sprintf("%f", r.CpuLimit),
+								MemoryBytes: types.UnitBytes(r.MemLimit.Value()),
+							},
+						},
+					},
 				},
 			},
 			Volumes: projectVolumes,

azure/convert/convert.go

@@ -21,6 +21,7 @@ import (
 	"errors"
 	"fmt"
 	"io/ioutil"
+	"strconv"
 	"strings"
 
 	"github.com/Azure/azure-sdk-for-go/profiles/latest/containerinstance/mgmt/containerinstance"
@@ -262,18 +263,30 @@ func (s serviceConfigAciHelper) getAciContainer(volumesCache map[string]bool) (c
 	} else {
 		volumes = &allVolumes
 	}
+
+	memLimit := 1. // Default 1 Gb
+	var cpuLimit float64 = 1
+	if s.Deploy != nil && s.Deploy.Resources.Limits != nil {
+		memLimit = float64(bytesToGb(s.Deploy.Resources.Limits.MemoryBytes))
+		if s.Deploy.Resources.Limits.NanoCPUs != "" {
+			cpuLimit, err = strconv.ParseFloat(s.Deploy.Resources.Limits.NanoCPUs, 0)
+			if err != nil {
+				return containerinstance.Container{}, err
+			}
+		}
+	}
 	return containerinstance.Container{
 		Name: to.StringPtr(s.Name),
 		ContainerProperties: &containerinstance.ContainerProperties{
 			Image: to.StringPtr(s.Image),
 			Resources: &containerinstance.ResourceRequirements{
 				Limits: &containerinstance.ResourceLimits{
-					MemoryInGB: to.Float64Ptr(1),
-					CPU:        to.Float64Ptr(1),
+					MemoryInGB: to.Float64Ptr(memLimit),
+					CPU:        to.Float64Ptr(cpuLimit),
 				},
 				Requests: &containerinstance.ResourceRequests{
-					MemoryInGB: to.Float64Ptr(1),
-					CPU:        to.Float64Ptr(1),
+					MemoryInGB: to.Float64Ptr(memLimit), // FIXME To implement
+					CPU:        to.Float64Ptr(cpuLimit), // FIXME To implement
 				},
 			},
 			VolumeMounts: volumes,
@@ -282,6 +295,10 @@ func (s serviceConfigAciHelper) getAciContainer(volumesCache map[string]bool) (c
 
 }
 
+func bytesToGb(b types.UnitBytes) int64 {
+	return int64(b) / 1024 / 1024 / 1024 // from bytes to gigabytes
+}
+
 // ContainerGroupToContainer composes a Container from an ACI container definition
 func ContainerGroupToContainer(containerID string, cg containerinstance.ContainerGroup, cc containerinstance.Container) (containers.Container, error) {
 	memLimits := -1.

cli/cmd/run/run.go

@@ -44,6 +44,8 @@ func Command() *cobra.Command {
 	cmd.Flags().StringArrayVarP(&opts.Labels, "label", "l", []string{}, "Set meta data on a container")
 	cmd.Flags().StringArrayVarP(&opts.Volumes, "volume", "v", []string{}, "Volume. Ex: user:key@my_share:/absolute/path/to/target")
 	cmd.Flags().BoolP("detach", "d", true, "Run container in background and print container ID")
+	cmd.Flags().Float64Var(&opts.Cpus, "cpus", 1., "Number of CPUs")
+	cmd.Flags().VarP(&opts.Memory, "memory", "m", "Memory limit")
 
 	return cmd
 }

cli/options/run/opts.go

@@ -21,6 +21,7 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/docker/cli/opts"
 	"github.com/docker/docker/pkg/namesgenerator"
 	"github.com/docker/go-connections/nat"
 
@@ -33,6 +34,8 @@ type Opts struct {
 	Publish []string
 	Labels  []string
 	Volumes []string
+	Cpus    float64
+	Memory  opts.MemBytes
 }
 
 // ToContainerConfig convert run options to a container configuration
@@ -52,11 +55,13 @@ func (r *Opts) ToContainerConfig(image string) (containers.ContainerConfig, erro
 	}
 
 	return containers.ContainerConfig{
-		ID:      r.Name,
-		Image:   image,
-		Ports:   publish,
-		Labels:  labels,
-		Volumes: r.Volumes,
+		ID:       r.Name,
+		Image:    image,
+		Ports:    publish,
+		Labels:   labels,
+		Volumes:  r.Volumes,
+		MemLimit: r.Memory,
+		CpuLimit: r.Cpus,
 	}, nil
 }
 

containers/api.go

@@ -19,6 +19,8 @@ package containers
 import (
 	"context"
 	"io"
+
+	"github.com/docker/cli/opts"
 )
 
 // Container represents a created container
@@ -60,6 +62,10 @@ type ContainerConfig struct {
 	Labels map[string]string
 	// Volumes to be mounted
 	Volumes []string
+	// Memlimit
+	MemLimit opts.MemBytes
+	// CPUlimit
+	CpuLimit float64
 }
 
 // LogsRequest contains configuration about a log request