411 lines
10 KiB
Go
411 lines
10 KiB
Go
package docker
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import (
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"archive/tar"
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"bytes"
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"fmt"
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"testing"
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dc "github.com/fsouza/go-dockerclient"
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"github.com/hashicorp/terraform/helper/resource"
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"github.com/hashicorp/terraform/terraform"
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)
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func TestAccDockerContainer_basic(t *testing.T) {
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var c dc.Container
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resource.Test(t, resource.TestCase{
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PreCheck: func() { testAccPreCheck(t) },
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Providers: testAccProviders,
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Steps: []resource.TestStep{
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resource.TestStep{
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Config: testAccDockerContainerConfig,
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Check: resource.ComposeTestCheckFunc(
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testAccContainerRunning("docker_container.foo", &c),
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),
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},
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},
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})
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}
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func TestAccDockerContainerPath_validation(t *testing.T) {
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cases := []struct {
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Value string
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ErrCount int
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}{
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{Value: "/var/log", ErrCount: 0},
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{Value: "/tmp", ErrCount: 0},
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{Value: "C:\\Windows\\System32", ErrCount: 0},
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{Value: "C:\\Program Files\\MSBuild", ErrCount: 0},
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{Value: "test", ErrCount: 1},
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{Value: "C:Test", ErrCount: 1},
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{Value: "", ErrCount: 1},
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}
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for _, tc := range cases {
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_, errors := validateDockerContainerPath(tc.Value, "docker_container")
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if len(errors) != tc.ErrCount {
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t.Fatalf("Expected the Docker Container Path to trigger a validation error")
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}
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}
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}
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func TestAccDockerContainer_volume(t *testing.T) {
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var c dc.Container
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testCheck := func(*terraform.State) error {
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if len(c.Mounts) != 1 {
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return fmt.Errorf("Incorrect number of mounts: expected 1, got %d", len(c.Mounts))
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}
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for _, v := range c.Mounts {
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if v.Name != "testAccDockerContainerVolume_volume" {
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continue
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}
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if v.Destination != "/tmp/volume" {
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return fmt.Errorf("Bad destination on mount: expected /tmp/volume, got %q", v.Destination)
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}
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if v.Mode != "rw" {
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return fmt.Errorf("Bad mode on mount: expected rw, got %q", v.Mode)
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}
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return nil
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}
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return fmt.Errorf("Mount for testAccDockerContainerVolume_volume not found")
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}
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resource.Test(t, resource.TestCase{
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PreCheck: func() { testAccPreCheck(t) },
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Providers: testAccProviders,
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Steps: []resource.TestStep{
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resource.TestStep{
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Config: testAccDockerContainerVolumeConfig,
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Check: resource.ComposeTestCheckFunc(
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testAccContainerRunning("docker_container.foo", &c),
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testCheck,
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),
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},
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},
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})
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}
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func TestAccDockerContainer_customized(t *testing.T) {
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var c dc.Container
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testCheck := func(*terraform.State) error {
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if len(c.Config.Entrypoint) < 3 ||
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(c.Config.Entrypoint[0] != "/bin/bash" &&
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c.Config.Entrypoint[1] != "-c" &&
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c.Config.Entrypoint[2] != "ping localhost") {
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return fmt.Errorf("Container wrong entrypoint: %s", c.Config.Entrypoint)
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}
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if c.Config.User != "root:root" {
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return fmt.Errorf("Container wrong user: %s", c.Config.User)
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}
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if c.HostConfig.RestartPolicy.Name == "on-failure" {
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if c.HostConfig.RestartPolicy.MaximumRetryCount != 5 {
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return fmt.Errorf("Container has wrong restart policy max retry count: %d", c.HostConfig.RestartPolicy.MaximumRetryCount)
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}
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} else {
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return fmt.Errorf("Container has wrong restart policy: %s", c.HostConfig.RestartPolicy.Name)
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}
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if c.HostConfig.Memory != (512 * 1024 * 1024) {
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return fmt.Errorf("Container has wrong memory setting: %d", c.HostConfig.Memory)
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}
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if c.HostConfig.MemorySwap != (2048 * 1024 * 1024) {
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return fmt.Errorf("Container has wrong memory swap setting: %d\n\r\tPlease check that you machine supports memory swap (you can do that by running 'docker info' command).", c.HostConfig.MemorySwap)
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}
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if c.HostConfig.CPUShares != 32 {
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return fmt.Errorf("Container has wrong cpu shares setting: %d", c.HostConfig.CPUShares)
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}
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if len(c.HostConfig.DNS) != 1 {
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return fmt.Errorf("Container does not have the correct number of dns entries: %d", len(c.HostConfig.DNS))
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}
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if c.HostConfig.DNS[0] != "8.8.8.8" {
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return fmt.Errorf("Container has wrong dns setting: %v", c.HostConfig.DNS[0])
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}
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if len(c.HostConfig.DNSOptions) != 1 {
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return fmt.Errorf("Container does not have the correct number of dns option entries: %d", len(c.HostConfig.DNS))
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}
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if c.HostConfig.DNSOptions[0] != "rotate" {
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return fmt.Errorf("Container has wrong dns option setting: %v", c.HostConfig.DNS[0])
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}
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if len(c.HostConfig.DNSSearch) != 1 {
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return fmt.Errorf("Container does not have the correct number of dns search entries: %d", len(c.HostConfig.DNS))
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}
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if c.HostConfig.DNSSearch[0] != "example.com" {
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return fmt.Errorf("Container has wrong dns search setting: %v", c.HostConfig.DNS[0])
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}
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if len(c.HostConfig.CapAdd) != 1 {
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return fmt.Errorf("Container does not have the correct number of Capabilities in ADD: %d", len(c.HostConfig.CapAdd))
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}
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if c.HostConfig.CapAdd[0] != "ALL" {
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return fmt.Errorf("Container has wrong CapAdd setting: %v", c.HostConfig.CapAdd[0])
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}
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if len(c.HostConfig.CapDrop) != 1 {
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return fmt.Errorf("Container does not have the correct number of Capabilities in Drop: %d", len(c.HostConfig.CapDrop))
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}
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if c.HostConfig.CapDrop[0] != "SYS_ADMIN" {
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return fmt.Errorf("Container has wrong CapDrop setting: %v", c.HostConfig.CapDrop[0])
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}
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if c.HostConfig.CPUShares != 32 {
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return fmt.Errorf("Container has wrong cpu shares setting: %d", c.HostConfig.CPUShares)
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}
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if c.HostConfig.CPUShares != 32 {
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return fmt.Errorf("Container has wrong cpu shares setting: %d", c.HostConfig.CPUShares)
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}
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if c.Config.Labels["env"] != "prod" || c.Config.Labels["role"] != "test" {
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return fmt.Errorf("Container does not have the correct labels")
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}
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if c.HostConfig.LogConfig.Type != "json-file" {
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return fmt.Errorf("Container does not have the correct log config: %s", c.HostConfig.LogConfig.Type)
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}
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if c.HostConfig.LogConfig.Config["max-size"] != "10m" {
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return fmt.Errorf("Container does not have the correct max-size log option: %v", c.HostConfig.LogConfig.Config["max-size"])
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}
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if c.HostConfig.LogConfig.Config["max-file"] != "20" {
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return fmt.Errorf("Container does not have the correct max-file log option: %v", c.HostConfig.LogConfig.Config["max-file"])
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}
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if len(c.HostConfig.ExtraHosts) != 2 {
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return fmt.Errorf("Container does not have correct number of extra host entries, got %d", len(c.HostConfig.ExtraHosts))
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}
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if c.HostConfig.ExtraHosts[0] != "testhost2:10.0.2.0" {
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return fmt.Errorf("Container has incorrect extra host string: %q", c.HostConfig.ExtraHosts[0])
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}
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if c.HostConfig.ExtraHosts[1] != "testhost:10.0.1.0" {
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return fmt.Errorf("Container has incorrect extra host string: %q", c.HostConfig.ExtraHosts[1])
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}
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if _, ok := c.NetworkSettings.Networks["test"]; !ok {
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return fmt.Errorf("Container is not connected to the right user defined network: test")
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}
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return nil
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}
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resource.Test(t, resource.TestCase{
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PreCheck: func() { testAccPreCheck(t) },
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Providers: testAccProviders,
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Steps: []resource.TestStep{
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resource.TestStep{
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Config: testAccDockerContainerCustomizedConfig,
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Check: resource.ComposeTestCheckFunc(
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testAccContainerRunning("docker_container.foo", &c),
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testCheck,
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),
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},
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},
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})
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}
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func TestAccDockerContainer_upload(t *testing.T) {
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var c dc.Container
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testCheck := func(*terraform.State) error {
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client := testAccProvider.Meta().(*dc.Client)
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buf := new(bytes.Buffer)
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opts := dc.DownloadFromContainerOptions{
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OutputStream: buf,
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Path: "/terraform/test.txt",
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}
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if err := client.DownloadFromContainer(c.ID, opts); err != nil {
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return fmt.Errorf("Unable to download a file from container: %s", err)
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}
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r := bytes.NewReader(buf.Bytes())
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tr := tar.NewReader(r)
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if _, err := tr.Next(); err != nil {
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return fmt.Errorf("Unable to read content of tar archive: %s", err)
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}
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fbuf := new(bytes.Buffer)
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fbuf.ReadFrom(tr)
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content := fbuf.String()
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if content != "foo" {
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return fmt.Errorf("file content is invalid")
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}
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return nil
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}
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resource.Test(t, resource.TestCase{
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PreCheck: func() { testAccPreCheck(t) },
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Providers: testAccProviders,
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Steps: []resource.TestStep{
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resource.TestStep{
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Config: testAccDockerContainerUploadConfig,
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Check: resource.ComposeTestCheckFunc(
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testAccContainerRunning("docker_container.foo", &c),
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testCheck,
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),
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},
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},
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})
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}
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func testAccContainerRunning(n string, container *dc.Container) resource.TestCheckFunc {
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return func(s *terraform.State) error {
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rs, ok := s.RootModule().Resources[n]
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if !ok {
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return fmt.Errorf("Not found: %s", n)
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}
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if rs.Primary.ID == "" {
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return fmt.Errorf("No ID is set")
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}
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client := testAccProvider.Meta().(*dc.Client)
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containers, err := client.ListContainers(dc.ListContainersOptions{})
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if err != nil {
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return err
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}
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for _, c := range containers {
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if c.ID == rs.Primary.ID {
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inspected, err := client.InspectContainer(c.ID)
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if err != nil {
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return fmt.Errorf("Container could not be inspected: %s", err)
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}
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*container = *inspected
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return nil
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}
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}
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return fmt.Errorf("Container not found: %s", rs.Primary.ID)
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}
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}
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const testAccDockerContainerConfig = `
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resource "docker_image" "foo" {
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name = "nginx:latest"
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}
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resource "docker_container" "foo" {
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name = "tf-test"
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image = "${docker_image.foo.latest}"
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}
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`
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const testAccDockerContainerVolumeConfig = `
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resource "docker_image" "foo" {
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name = "nginx:latest"
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}
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resource "docker_volume" "foo" {
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name = "testAccDockerContainerVolume_volume"
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}
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resource "docker_container" "foo" {
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name = "tf-test"
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image = "${docker_image.foo.latest}"
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volumes {
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volume_name = "${docker_volume.foo.name}"
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container_path = "/tmp/volume"
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read_only = false
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}
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}
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`
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const testAccDockerContainerCustomizedConfig = `
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resource "docker_image" "foo" {
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name = "nginx:latest"
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}
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resource "docker_container" "foo" {
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name = "tf-test"
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image = "${docker_image.foo.latest}"
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entrypoint = ["/bin/bash", "-c", "ping localhost"]
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user = "root:root"
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restart = "on-failure"
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destroy_grace_seconds = 10
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max_retry_count = 5
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memory = 512
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memory_swap = 2048
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cpu_shares = 32
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capabilities {
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add= ["ALL"]
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drop = ["SYS_ADMIN"]
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}
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dns = ["8.8.8.8"]
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dns_opts = ["rotate"]
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dns_search = ["example.com"]
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labels {
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env = "prod"
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role = "test"
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}
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log_driver = "json-file"
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log_opts = {
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max-size = "10m"
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max-file = 20
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}
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network_mode = "bridge"
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networks = ["${docker_network.test_network.name}"]
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network_alias = ["tftest"]
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host {
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host = "testhost"
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ip = "10.0.1.0"
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}
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host {
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host = "testhost2"
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ip = "10.0.2.0"
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}
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}
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resource "docker_network" "test_network" {
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name = "test"
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}
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`
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const testAccDockerContainerUploadConfig = `
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resource "docker_image" "foo" {
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name = "nginx:latest"
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}
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resource "docker_container" "foo" {
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name = "tf-test"
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image = "${docker_image.foo.latest}"
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upload {
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content = "foo"
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file = "/terraform/test.txt"
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}
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}
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`
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