Merge pull request #98 from docker/feat-port-print

Implement printing published ports
This commit is contained in:
Djordje Lukic 2020-05-18 04:48:14 -07:00 committed by GitHub
commit 0c6b6beec4
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
16 changed files with 368 additions and 73 deletions

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@ -29,9 +29,6 @@ WORKDIR ${PWD}
ADD go.* ${PWD}
ADD . ${PWD}
FROM golang:${GO_VERSION} AS lint-base
RUN go get github.com/golangci/golangci-lint/cmd/golangci-lint@v1.26.0
FROM protos-base AS make-protos
RUN make -f builder.Makefile protos
@ -56,6 +53,3 @@ COPY --from=make-cross /api/bin/* .
FROM base as test
RUN make -f builder.Makefile test
FROM lint-base AS lint
RUN make -f builder.Makefile lint

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@ -25,6 +25,7 @@
GOOS ?= $(shell go env GOOS)
GOARCH ?= $(shell go env GOARCH)
PWD = $(shell pwd)
export DOCKER_BUILDKIT=1
@ -61,8 +62,7 @@ cache-clear: ## Clear the builder cache
@docker builder prune --force --filter type=exec.cachemount --filter=unused-for=24h
lint: ## run linter(s)
@docker build . \
--target lint
docker run --rm -t -v $(PWD):/app -w /app golangci/golangci-lint:v1.27-alpine golangci-lint run ./...
help: ## Show help
@echo Please specify a build target. The choices are:

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@ -133,10 +133,12 @@ func (cs *aciContainerService) List(ctx context.Context) ([]containers.Container
if container.InstanceView != nil && container.InstanceView.CurrentState != nil {
status = *container.InstanceView.CurrentState.State
}
res = append(res, containers.Container{
ID: containerID,
Image: *container.Image,
Status: status,
Ports: convert.ToPorts(group.IPAddress, *container.Ports),
})
}
}

37
azure/convert/ports.go Normal file
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@ -0,0 +1,37 @@
package convert
import (
"strings"
"github.com/Azure/azure-sdk-for-go/services/containerinstance/mgmt/2018-10-01/containerinstance"
"github.com/docker/api/containers"
)
// ToPorts converts Azure container ports to api ports
func ToPorts(ipAddr *containerinstance.IPAddress, ports []containerinstance.ContainerPort) []containers.Port {
var result []containers.Port
for _, port := range ports {
if port.Port == nil {
continue
}
protocol := "tcp"
if port.Protocol != "" {
protocol = string(port.Protocol)
}
ip := ""
if ipAddr != nil {
ip = *ipAddr.IP
}
result = append(result, containers.Port{
HostPort: uint32(*port.Port),
ContainerPort: uint32(*port.Port),
HostIP: ip,
Protocol: strings.ToLower(protocol),
})
}
return result
}

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@ -0,0 +1,89 @@
package convert
import (
"testing"
"github.com/Azure/azure-sdk-for-go/profiles/latest/containerinstance/mgmt/containerinstance"
"github.com/Azure/go-autorest/autorest/to"
"github.com/stretchr/testify/assert"
"github.com/docker/api/containers"
)
func TestPortConvert(t *testing.T) {
expectedPorts := []containers.Port{
{
HostPort: 80,
ContainerPort: 80,
HostIP: "10.0.0.1",
Protocol: "tcp",
},
}
testCases := []struct {
name string
ip *containerinstance.IPAddress
ports []containerinstance.ContainerPort
expected []containers.Port
}{
{
name: "convert port",
ip: &containerinstance.IPAddress{
IP: to.StringPtr("10.0.0.1"),
},
ports: []containerinstance.ContainerPort{
{
Protocol: "tcp",
Port: to.Int32Ptr(80),
},
},
expected: expectedPorts,
},
{
name: "with nil ip",
ip: nil,
ports: []containerinstance.ContainerPort{
{
Protocol: "tcp",
Port: to.Int32Ptr(80),
},
},
expected: []containers.Port{
{
HostPort: 80,
ContainerPort: 80,
HostIP: "",
Protocol: "tcp",
},
},
},
{
name: "skip nil ports",
ip: nil,
ports: []containerinstance.ContainerPort{
{
Protocol: "tcp",
Port: to.Int32Ptr(80),
},
{
Protocol: "tcp",
Port: nil,
},
},
expected: []containers.Port{
{
HostPort: 80,
ContainerPort: 80,
HostIP: "",
Protocol: "tcp",
},
},
},
}
for _, testCase := range testCases {
t.Run(testCase.name, func(t *testing.T) {
ports := ToPorts(testCase.ip, testCase.ports)
assert.Equal(t, testCase.expected, ports)
})
}
}

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@ -6,9 +6,11 @@ import (
"os"
"text/tabwriter"
"github.com/docker/docker/pkg/stringid"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"github.com/docker/api/cli/formatter"
"github.com/docker/api/client"
)
@ -50,11 +52,11 @@ func runPs(ctx context.Context, opts psOpts) error {
return nil
}
w := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0)
fmt.Fprintf(w, "NAME\tIMAGE\tSTATUS\tCOMMAND\n")
format := "%s\t%s\t%s\t%s\n"
w := tabwriter.NewWriter(os.Stdout, 0, 0, 8, ' ', 0)
fmt.Fprintf(w, "CONTAINER ID\tIMAGE\tCOMMAND\tSTATUS\tPORTS\n")
format := "%s\t%s\t%s\t%s\t%s\n"
for _, c := range containers {
fmt.Fprintf(w, format, c.ID, c.Image, c.Status, c.Command)
fmt.Fprintf(w, format, stringid.TruncateID(c.ID), c.Image, c.Command, c.Status, formatter.PortsString(c.Ports))
}
return w.Flush()

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@ -35,12 +35,13 @@ import (
"github.com/docker/docker/pkg/namesgenerator"
"github.com/spf13/cobra"
"github.com/docker/api/cli/options/run"
"github.com/docker/api/client"
)
// Command runs a container
func Command() *cobra.Command {
var opts runOpts
var opts run.Opts
cmd := &cobra.Command{
Use: "run",
Short: "Run a container",
@ -50,19 +51,19 @@ func Command() *cobra.Command {
},
}
cmd.Flags().StringArrayVarP(&opts.publish, "publish", "p", []string{}, "Publish a container's port(s). [HOST_PORT:]CONTAINER_PORT")
cmd.Flags().StringVar(&opts.name, "name", getRandomName(), "Assign a name to the container")
cmd.Flags().StringArrayVarP(&opts.Publish, "publish", "p", []string{}, "Publish a container's port(s). [HOST_PORT:]CONTAINER_PORT")
cmd.Flags().StringVar(&opts.Name, "name", getRandomName(), "Assign a name to the container")
return cmd
}
func runRun(ctx context.Context, image string, opts runOpts) error {
func runRun(ctx context.Context, image string, opts run.Opts) error {
c, err := client.New(ctx)
if err != nil {
return err
}
project, err := opts.toContainerConfig(image)
project, err := opts.ToContainerConfig(image)
if err != nil {
return err
}
@ -70,7 +71,8 @@ func runRun(ctx context.Context, image string, opts runOpts) error {
if err = c.ContainerService().Run(ctx, project); err != nil {
return err
}
fmt.Println(opts.name)
fmt.Println(opts.Name)
return nil
}

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@ -1,3 +1,3 @@
NAME IMAGE STATUS COMMAND
id nginx
1234 alpine
CONTAINER ID IMAGE COMMAND STATUS PORTS
id nginx
1234 alpine

110
cli/formatter/container.go Normal file
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@ -0,0 +1,110 @@
package formatter
import (
"fmt"
"sort"
"strconv"
"strings"
"github.com/docker/api/containers"
)
type portGroup struct {
first uint32
last uint32
}
// PortsString returns a human readable published ports
func PortsString(ports []containers.Port) string {
groupMap := make(map[string]*portGroup)
var (
result []string
hostMappings []string
groupMapKeys []string
)
sort.Slice(ports, func(i int, j int) bool {
return comparePorts(ports[i], ports[j])
})
for _, port := range ports {
// Simple case: HOST_IP:PORT1:PORT2
hostIP := "0.0.0.0"
if port.HostIP != "" {
hostIP = port.HostIP
}
if port.HostPort != port.ContainerPort {
hostMappings = append(hostMappings, fmt.Sprintf("%s:%d->%d/%s", hostIP, port.HostPort, port.ContainerPort, port.Protocol))
continue
}
current := port.ContainerPort
portKey := fmt.Sprintf("%s/%s", hostIP, port.Protocol)
group := groupMap[portKey]
if group == nil {
groupMap[portKey] = &portGroup{first: current, last: current}
// record order that groupMap keys are created
groupMapKeys = append(groupMapKeys, portKey)
continue
}
if current == (group.last + 1) {
group.last = current
continue
}
result = append(result, formGroup(portKey, group.first, group.last))
groupMap[portKey] = &portGroup{first: current, last: current}
}
for _, portKey := range groupMapKeys {
g := groupMap[portKey]
result = append(result, formGroup(portKey, g.first, g.last))
}
result = append(result, hostMappings...)
return strings.Join(result, ", ")
}
func formGroup(key string, start uint32, last uint32) string {
parts := strings.Split(key, "/")
protocol := parts[0]
var ip string
if len(parts) > 1 {
ip = parts[0]
protocol = parts[1]
}
group := strconv.Itoa(int(start))
// add range
if start != last {
group = fmt.Sprintf("%s-%d", group, last)
}
// add host ip
if ip != "" {
group = fmt.Sprintf("%s:%s->%s", ip, group, group)
}
// add protocol
return fmt.Sprintf("%s/%s", group, protocol)
}
func comparePorts(i containers.Port, j containers.Port) bool {
if i.ContainerPort != j.ContainerPort {
return i.ContainerPort < j.ContainerPort
}
if i.HostIP != j.HostIP {
return i.HostIP < j.HostIP
}
if i.HostPort != j.HostPort {
return i.HostPort < j.HostPort
}
return i.Protocol < j.Protocol
}

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@ -0,0 +1,62 @@
package formatter
import (
"testing"
"github.com/stretchr/testify/require"
"gotest.tools/v3/assert"
"github.com/docker/api/cli/options/run"
)
func TestDisplayPorts(t *testing.T) {
testCases := []struct {
name string
in []string
expected string
}{
{
name: "simple",
in: []string{"80"},
expected: "0.0.0.0:80->80/tcp",
},
{
name: "different ports",
in: []string{"80:90"},
expected: "0.0.0.0:80->90/tcp",
},
{
name: "host ip",
in: []string{"192.168.0.1:80:90"},
expected: "192.168.0.1:80->90/tcp",
},
{
name: "port range",
in: []string{"80-90:80-90"},
expected: "0.0.0.0:80-90->80-90/tcp",
},
{
name: "grouping",
in: []string{"80:80", "81:81"},
expected: "0.0.0.0:80-81->80-81/tcp",
},
{
name: "groups",
in: []string{"80:80", "82:82"},
expected: "0.0.0.0:80->80/tcp, 0.0.0.0:82->82/tcp",
},
}
for _, testCase := range testCases {
t.Run(testCase.name, func(t *testing.T) {
runOpts := run.Opts{
Publish: testCase.in,
}
containerConfig, err := runOpts.ToContainerConfig("test")
require.Nil(t, err)
out := PortsString(containerConfig.Ports)
assert.Equal(t, testCase.expected, out)
})
}
}

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@ -8,13 +8,28 @@ import (
"github.com/docker/api/containers"
)
type runOpts struct {
name string
publish []string
// Opts contain run command options
type Opts struct {
Name string
Publish []string
}
func toPorts(ports []string) ([]containers.Port, error) {
_, bindings, err := nat.ParsePortSpecs(ports)
// ToContainerConfig convert run options to a container configuration
func (r *Opts) ToContainerConfig(image string) (containers.ContainerConfig, error) {
publish, err := r.toPorts()
if err != nil {
return containers.ContainerConfig{}, err
}
return containers.ContainerConfig{
ID: r.Name,
Image: image,
Ports: publish,
}, nil
}
func (r *Opts) toPorts() ([]containers.Port, error) {
_, bindings, err := nat.ParsePortSpecs(r.Publish)
if err != nil {
return nil, err
}
@ -44,16 +59,3 @@ func toPorts(ports []string) ([]containers.Port, error) {
return result, nil
}
func (r *runOpts) toContainerConfig(image string) (containers.ContainerConfig, error) {
publish, err := toPorts(r.publish)
if err != nil {
return containers.ContainerConfig{}, err
}
return containers.ContainerConfig{
ID: r.name,
Image: image,
Ports: publish,
}, nil
}

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@ -88,7 +88,10 @@ func (s *RunOptsSuite) TestPortParse() {
}
for _, testCase := range testCases {
result, err := toPorts([]string{testCase.in})
opts := Opts{
Publish: []string{testCase.in},
}
result, err := opts.toPorts()
require.Nil(s.T(), err)
assert.ElementsMatch(s.T(), testCase.expected, result)
}

1
go.mod
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@ -7,7 +7,6 @@ require (
github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 // indirect
github.com/Azure/go-autorest/autorest v0.10.0
github.com/Azure/go-autorest/autorest/adal v0.8.2
github.com/Azure/go-autorest/autorest/azure/auth v0.4.2
github.com/Azure/go-autorest/autorest/azure/cli v0.3.1
github.com/Azure/go-autorest/autorest/date v0.2.0
github.com/Azure/go-autorest/autorest/to v0.3.0

6
go.sum
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@ -3,19 +3,13 @@ github.com/Azure/azure-sdk-for-go v42.0.0+incompatible h1:yz6sFf5bHZ+gEOQVuK5JhP
github.com/Azure/azure-sdk-for-go v42.0.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
github.com/Azure/go-autorest v14.1.0+incompatible h1:qROrS0rWxAXGfFdNOI33we8553d7T8v78jXf/8tjLBM=
github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
github.com/Azure/go-autorest/autorest v0.9.3/go.mod h1:GsRuLYvwzLjjjRoWEIyMUaYq8GNUx2nRB378IPt/1p0=
github.com/Azure/go-autorest/autorest v0.10.0 h1:mvdtztBqcL8se7MdrUweNieTNi4kfNG6GOJuurQJpuY=
github.com/Azure/go-autorest/autorest v0.10.0/go.mod h1:/FALq9T/kS7b5J5qsQ+RSTUdAmGFqi0vUdVNNx8q630=
github.com/Azure/go-autorest/autorest v0.10.1 h1:uaB8A32IZU9YKs9v50+/LWIWTDHJk2vlGzbfd7FfESI=
github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
github.com/Azure/go-autorest/autorest/adal v0.8.0/go.mod h1:Z6vX6WXXuyieHAXwMj0S6HY6e6wcHn37qQMBQlvY3lc=
github.com/Azure/go-autorest/autorest/adal v0.8.1/go.mod h1:ZjhuQClTqx435SRJ2iMlOxPYt3d2C/T/7TiQCVZSn3Q=
github.com/Azure/go-autorest/autorest/adal v0.8.2 h1:O1X4oexUxnZCaEUGsvMnr8ZGj8HI37tNezwY4npRqA0=
github.com/Azure/go-autorest/autorest/adal v0.8.2/go.mod h1:ZjhuQClTqx435SRJ2iMlOxPYt3d2C/T/7TiQCVZSn3Q=
github.com/Azure/go-autorest/autorest/azure/auth v0.4.2 h1:iM6UAvjR97ZIeR93qTcwpKNMpV+/FTWjwEbuPD495Tk=
github.com/Azure/go-autorest/autorest/azure/auth v0.4.2/go.mod h1:90gmfKdlmKgfjUpnCEpOJzsUEjrWDSLwHIG73tSXddM=
github.com/Azure/go-autorest/autorest/azure/cli v0.3.1 h1:LXl088ZQlP0SBppGFsRZonW6hSvwgL5gRByMbvUbx8U=
github.com/Azure/go-autorest/autorest/azure/cli v0.3.1/go.mod h1:ZG5p860J94/0kI9mNJVoIoLgXcirM2gF5i2kWloofxw=
github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=

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@ -3,6 +3,7 @@ package main
import (
"context"
"log"
"strings"
"github.com/Azure/azure-sdk-for-go/profiles/2019-03-01/resources/mgmt/resources"
"github.com/Azure/go-autorest/autorest/to"
@ -66,8 +67,7 @@ func main() {
Expect(len(Lines(output))).To(Equal(1))
})
var nginxID string
It("runs nginx on port 80 (PORT NOT CHECKED YET!!! REMOVE THAT WHEN IMPLEMENTED)", func() {
It("runs nginx on port 80", func() {
output := NewDockerCommand("run", "nginx", "-p", "80:80", "--name", testContainerName).ExecOrDie()
Expect(output).To(Equal(testContainerName + "\n"))
output = NewDockerCommand("ps").ExecOrDie()
@ -75,20 +75,19 @@ func main() {
Expect(len(lines)).To(Equal(2))
containerFields := Columns(lines[1])
nginxID = containerFields[0]
Expect(containerFields[1]).To(Equal("nginx"))
Expect(containerFields[2]).To(Equal("Running"))
// exposedIP := containerFields[3]
// Expect(exposedIP).To(ContainSubstring(":80->80/TCP"))
exposedIP := containerFields[3]
Expect(exposedIP).To(ContainSubstring(":80->80/tcp"))
// url := strings.ReplaceAll(exposedIP, "->80/TCP", "")
// output = NewCommand("curl", url).ExecOrDie()
// Expect(output).To(ContainSubstring("Welcome to nginx!"))
url := strings.ReplaceAll(exposedIP, "->80/tcp", "")
output = NewCommand("curl", url).ExecOrDie()
Expect(output).To(ContainSubstring("Welcome to nginx!"))
})
It("removes container nginx", func() {
output := NewDockerCommand("rm", nginxID).ExecOrDie()
Expect(Lines(output)[0]).To(Equal(nginxID))
output := NewDockerCommand("rm", testContainerName).ExecOrDie()
Expect(Lines(output)[0]).To(Equal(testContainerName))
})
It("deploys a compose app", func() {
@ -97,25 +96,25 @@ func main() {
output := NewDockerCommand("ps").ExecOrDie()
Lines := Lines(output)
Expect(len(Lines)).To(Equal(4))
webChecked := false
for _, line := range Lines[1:] {
Expect(line).To(ContainSubstring("Running"))
}
/*
if strings.Contains(line, "acicompose_web") {
webChecked = true
containerFields := Columns(line)
exposedIP := containerFields[3]
Expect(exposedIP).To(ContainSubstring(":80->80/TCP"))
if strings.Contains(line, "acidemo_web") {
webChecked = true
containerFields := Columns(line)
exposedIP := containerFields[3]
Expect(exposedIP).To(ContainSubstring(":80->80/tcp"))
url := strings.ReplaceAll(exposedIP, "->80/TCP", "")
output = NewCommand("curl", url).ExecOrDie()
Expect(output).To(ContainSubstring("Docker Compose demo"))
output = NewCommand("curl", url+"/words/noun").ExecOrDie()
Expect(output).To(ContainSubstring("\"word\":"))
}
url := strings.ReplaceAll(exposedIP, "->80/tcp", "")
output = NewCommand("curl", url).ExecOrDie()
Expect(output).To(ContainSubstring("Docker Compose demo"))
output = NewCommand("curl", url+"/words/noun").ExecOrDie()
Expect(output).To(ContainSubstring("\"word\":"))
}
Expect(webChecked).To(BeTrue())
*/
}
Expect(webChecked).To(BeTrue())
})
It("get logs from web service", func() {

View File

@ -65,7 +65,7 @@ func main() {
output := NewDockerCommand("ps").ExecOrDie()
lines := Lines(output)
Expect(len(lines)).To(Equal(3))
Expect(lines[2]).To(ContainSubstring("1234 alpine"))
Expect(lines[2]).To(ContainSubstring("1234 alpine"))
})
It("can run quiet ps command", func() {