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resource_docker_container_funcs.go
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resource_docker_container_funcs.go
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package provider
import (
"archive/tar"
"bufio"
"bytes"
"context"
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"log"
"os"
"strings"
"time"
"github.com/docker/cli/opts"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/api/types/mount"
"github.com/docker/docker/api/types/network"
"github.com/docker/docker/client"
"github.com/docker/go-connections/nat"
"github.com/docker/go-units"
"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
)
const (
containerReadRefreshTimeoutMillisecondsDefault = 15000
containerReadRefreshWaitBeforeRefreshes = 100 * time.Millisecond
containerReadRefreshDelay = 100 * time.Millisecond
)
var (
errContainerFailedToBeCreated = errors.New("container failed to be created")
errContainerFailedToBeDeleted = errors.New("container failed to be deleted")
errContainerExitedImmediately = errors.New("container exited immediately")
errContainerFailedToBeInRunningState = errors.New("container failed to be in running state")
errContainerFailedToBeInHealthyState = errors.New("container failed to be in healthy state")
)
// NOTE mavogel: we keep this global var for tracking
// the time in the create and read func
var creationTime time.Time
func resourceDockerContainerCreate(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
var err error
client := meta.(*ProviderConfig).DockerClient
authConfigs := meta.(*ProviderConfig).AuthConfigs
image := d.Get("image").(string)
_, err = findImage(ctx, image, client, authConfigs, "")
if err != nil {
return diag.Errorf("Unable to create container with image %s: %s", image, err)
}
var stopTimeout *int
if v, ok := d.GetOk("stop_timeout"); ok {
tmp := v.(int)
stopTimeout = &tmp
}
config := &container.Config{
Image: image,
Hostname: d.Get("hostname").(string),
Domainname: d.Get("domainname").(string),
Tty: d.Get("tty").(bool),
OpenStdin: d.Get("stdin_open").(bool),
StopSignal: d.Get("stop_signal").(string),
StopTimeout: stopTimeout,
}
if v, ok := d.GetOk("env"); ok {
config.Env = stringSetToStringSlice(v.(*schema.Set))
}
if v, ok := d.GetOk("command"); ok {
config.Cmd = stringListToStringSlice(v.([]interface{}))
for _, v := range config.Cmd {
if v == "" {
return diag.Errorf("values for command may not be empty")
}
}
}
if v, ok := d.GetOk("entrypoint"); ok {
config.Entrypoint = stringListToStringSlice(v.([]interface{}))
}
if v, ok := d.GetOk("user"); ok {
config.User = v.(string)
}
exposedPorts := map[nat.Port]struct{}{}
portBindings := map[nat.Port][]nat.PortBinding{}
if v, ok := d.GetOk("ports"); ok {
exposedPorts, portBindings = portSetToDockerPorts(v.([]interface{}))
}
if len(exposedPorts) != 0 {
config.ExposedPorts = exposedPorts
}
if v, ok := d.GetOk("working_dir"); ok {
config.WorkingDir = v.(string)
}
extraHosts := []string{}
if v, ok := d.GetOk("host"); ok {
extraHosts = extraHostsSetToContainerExtraHosts(v.(*schema.Set))
}
extraUlimits := []*units.Ulimit{}
if v, ok := d.GetOk("ulimit"); ok {
extraUlimits = ulimitsToDockerUlimits(v.(*schema.Set))
}
volumes := map[string]struct{}{}
binds := []string{}
volumesFrom := []string{}
if v, ok := d.GetOk("volumes"); ok {
volumes, binds, volumesFrom, err = volumeSetToDockerVolumes(v.(*schema.Set))
if err != nil {
return diag.Errorf("Unable to parse volumes: %s", err)
}
}
if len(volumes) != 0 {
config.Volumes = volumes
}
if v, ok := d.GetOk("labels"); ok {
config.Labels = labelSetToMap(v.(*schema.Set))
}
if value, ok := d.GetOk("healthcheck"); ok {
config.Healthcheck = &container.HealthConfig{}
if len(value.([]interface{})) > 0 {
for _, rawHealthCheck := range value.([]interface{}) {
rawHealthCheck := rawHealthCheck.(map[string]interface{})
if testCommand, ok := rawHealthCheck["test"]; ok {
config.Healthcheck.Test = stringListToStringSlice(testCommand.([]interface{}))
}
if rawInterval, ok := rawHealthCheck["interval"]; ok {
config.Healthcheck.Interval, _ = time.ParseDuration(rawInterval.(string))
}
if rawTimeout, ok := rawHealthCheck["timeout"]; ok {
config.Healthcheck.Timeout, _ = time.ParseDuration(rawTimeout.(string))
}
if rawStartPeriod, ok := rawHealthCheck["start_period"]; ok {
config.Healthcheck.StartPeriod, _ = time.ParseDuration(rawStartPeriod.(string))
}
if rawRetries, ok := rawHealthCheck["retries"]; ok {
config.Healthcheck.Retries, _ = rawRetries.(int)
}
}
}
}
mounts := []mount.Mount{}
if value, ok := d.GetOk("mounts"); ok {
for _, rawMount := range value.(*schema.Set).List() {
rawMount := rawMount.(map[string]interface{})
mountType := mount.Type(rawMount["type"].(string))
mountInstance := mount.Mount{
Type: mountType,
Target: rawMount["target"].(string),
Source: rawMount["source"].(string),
}
if value, ok := rawMount["read_only"]; ok {
mountInstance.ReadOnly = value.(bool)
}
if mountType == mount.TypeBind {
if value, ok := rawMount["bind_options"]; ok {
if len(value.([]interface{})) > 0 {
mountInstance.BindOptions = &mount.BindOptions{}
for _, rawBindOptions := range value.([]interface{}) {
rawBindOptions := rawBindOptions.(map[string]interface{})
if value, ok := rawBindOptions["propagation"]; ok {
mountInstance.BindOptions.Propagation = mount.Propagation(value.(string))
}
}
}
}
} else if mountType == mount.TypeVolume {
if value, ok := rawMount["volume_options"]; ok {
if len(value.([]interface{})) > 0 {
mountInstance.VolumeOptions = &mount.VolumeOptions{}
for _, rawVolumeOptions := range value.([]interface{}) {
rawVolumeOptions := rawVolumeOptions.(map[string]interface{})
if value, ok := rawVolumeOptions["no_copy"]; ok {
mountInstance.VolumeOptions.NoCopy = value.(bool)
}
if value, ok := rawVolumeOptions["labels"]; ok {
mountInstance.VolumeOptions.Labels = labelSetToMap(value.(*schema.Set))
}
// because it is not possible to nest maps
if value, ok := rawVolumeOptions["driver_name"]; ok {
if mountInstance.VolumeOptions.DriverConfig == nil {
mountInstance.VolumeOptions.DriverConfig = &mount.Driver{}
}
mountInstance.VolumeOptions.DriverConfig.Name = value.(string)
}
if value, ok := rawVolumeOptions["driver_options"]; ok {
if mountInstance.VolumeOptions.DriverConfig == nil {
mountInstance.VolumeOptions.DriverConfig = &mount.Driver{}
}
mountInstance.VolumeOptions.DriverConfig.Options = mapTypeMapValsToString(value.(map[string]interface{}))
}
}
}
}
} else if mountType == mount.TypeTmpfs {
if value, ok := rawMount["tmpfs_options"]; ok {
if len(value.([]interface{})) > 0 {
mountInstance.TmpfsOptions = &mount.TmpfsOptions{}
for _, rawTmpfsOptions := range value.([]interface{}) {
rawTmpfsOptions := rawTmpfsOptions.(map[string]interface{})
if value, ok := rawTmpfsOptions["size_bytes"]; ok {
mountInstance.TmpfsOptions.SizeBytes = (int64)(value.(int))
}
if value, ok := rawTmpfsOptions["mode"]; ok {
mountInstance.TmpfsOptions.Mode = os.FileMode(value.(int))
}
}
}
}
}
mounts = append(mounts, mountInstance)
}
}
hostConfig := &container.HostConfig{
Privileged: d.Get("privileged").(bool),
PublishAllPorts: d.Get("publish_all_ports").(bool),
RestartPolicy: container.RestartPolicy{
Name: d.Get("restart").(string),
MaximumRetryCount: d.Get("max_retry_count").(int),
},
Runtime: d.Get("runtime").(string),
Mounts: mounts,
AutoRemove: d.Get("rm").(bool),
ReadonlyRootfs: d.Get("read_only").(bool),
LogConfig: container.LogConfig{
Type: d.Get("log_driver").(string),
},
}
if v, ok := d.GetOk("tmpfs"); ok {
hostConfig.Tmpfs = mapTypeMapValsToString(v.(map[string]interface{}))
}
if len(portBindings) != 0 {
hostConfig.PortBindings = portBindings
}
if len(extraHosts) != 0 {
hostConfig.ExtraHosts = extraHosts
}
if len(binds) != 0 {
hostConfig.Binds = binds
}
if len(volumesFrom) != 0 {
hostConfig.VolumesFrom = volumesFrom
}
if len(extraUlimits) != 0 {
hostConfig.Ulimits = extraUlimits
}
if v, ok := d.GetOk("capabilities"); ok {
for _, capInt := range v.(*schema.Set).List() {
capa := capInt.(map[string]interface{})
hostConfig.CapAdd = stringSetToStringSlice(capa["add"].(*schema.Set))
hostConfig.CapDrop = stringSetToStringSlice(capa["drop"].(*schema.Set))
break
}
}
if v, ok := d.GetOk("devices"); ok {
hostConfig.Devices = deviceSetToDockerDevices(v.(*schema.Set))
}
if v, ok := d.GetOk("dns"); ok {
hostConfig.DNS = stringSetToStringSlice(v.(*schema.Set))
}
if v, ok := d.GetOk("dns_opts"); ok {
hostConfig.DNSOptions = stringSetToStringSlice(v.(*schema.Set))
}
if v, ok := d.GetOk("dns_search"); ok {
hostConfig.DNSSearch = stringSetToStringSlice(v.(*schema.Set))
}
if v, ok := d.GetOk("security_opts"); ok {
hostConfig.SecurityOpt = stringSetToStringSlice(v.(*schema.Set))
}
if v, ok := d.GetOk("memory"); ok {
hostConfig.Memory = int64(v.(int)) * 1024 * 1024
}
if v, ok := d.GetOk("memory_swap"); ok {
swap := int64(v.(int))
if swap > 0 {
swap = swap * 1024 * 1024
}
hostConfig.MemorySwap = swap
}
if v, ok := d.GetOk("shm_size"); ok {
hostConfig.ShmSize = int64(v.(int)) * 1024 * 1024
}
if v, ok := d.GetOk("cpu_shares"); ok {
hostConfig.CPUShares = int64(v.(int))
}
if v, ok := d.GetOk("cpu_set"); ok {
hostConfig.CpusetCpus = v.(string)
}
if v, ok := d.GetOk("log_opts"); ok {
hostConfig.LogConfig.Config = mapTypeMapValsToString(v.(map[string]interface{}))
}
networkingConfig := &network.NetworkingConfig{}
if v, ok := d.GetOk("network_mode"); ok {
hostConfig.NetworkMode = container.NetworkMode(v.(string))
}
if v, ok := d.GetOk("userns_mode"); ok {
hostConfig.UsernsMode = container.UsernsMode(v.(string))
}
if v, ok := d.GetOk("pid_mode"); ok {
hostConfig.PidMode = container.PidMode(v.(string))
}
if v, ok := d.GetOk("sysctls"); ok {
hostConfig.Sysctls = mapTypeMapValsToString(v.(map[string]interface{}))
}
if v, ok := d.GetOk("ipc_mode"); ok {
hostConfig.IpcMode = container.IpcMode(v.(string))
}
if v, ok := d.GetOk("group_add"); ok {
hostConfig.GroupAdd = stringSetToStringSlice(v.(*schema.Set))
}
if v, ok := d.GetOk("gpus"); ok {
if client.ClientVersion() >= "1.40" {
var gpu opts.GpuOpts
err := gpu.Set(v.(string))
if err != nil {
return diag.Errorf("Error setting gpus: %s", err)
}
hostConfig.DeviceRequests = gpu.Value()
} else {
log.Printf("[WARN] GPU support requires docker version 1.40 or higher")
}
}
if v, ok := d.GetOk("cgroupns_mode"); ok {
if client.ClientVersion() >= "1.41" {
cgroupnsMode := container.CgroupnsMode(v.(string))
if !cgroupnsMode.Valid() {
return diag.Errorf("cgroupns_mode: invalid CGROUP mode, must be either 'private', 'host' or empty")
} else {
hostConfig.CgroupnsMode = cgroupnsMode
}
} else {
log.Printf("[WARN] cgroupns_mode requires docker version 1.41 or higher")
}
}
init := d.Get("init").(bool)
hostConfig.Init = &init
if v, ok := d.GetOk("storage_opts"); ok {
hostConfig.StorageOpt = mapTypeMapValsToString(v.(map[string]interface{}))
}
var retContainer container.ContainerCreateCreatedBody
// TODO mavogel add platform later which comes from API v1.41. Currently we pass nil
if retContainer, err = client.ContainerCreate(ctx, config, hostConfig, networkingConfig, nil, d.Get("name").(string)); err != nil {
return diag.Errorf("Unable to create container: %s", err)
}
log.Printf("[INFO] retContainer %#v", retContainer)
d.SetId(retContainer.ID)
// But overwrite them with the future ones, if set
if v, ok := d.GetOk("networks_advanced"); ok {
if err := client.NetworkDisconnect(ctx, "bridge", retContainer.ID, false); err != nil {
if !containsIgnorableErrorMessage(err.Error(), "is not connected to the network bridge") {
return diag.Errorf("Unable to disconnect the default network: %s", err)
}
}
for _, rawNetwork := range v.(*schema.Set).List() {
networkID := rawNetwork.(map[string]interface{})["name"].(string)
endpointConfig := &network.EndpointSettings{}
endpointIPAMConfig := &network.EndpointIPAMConfig{}
if v, ok := rawNetwork.(map[string]interface{})["aliases"]; ok {
endpointConfig.Aliases = stringSetToStringSlice(v.(*schema.Set))
}
if v, ok := rawNetwork.(map[string]interface{})["ipv4_address"]; ok {
endpointIPAMConfig.IPv4Address = v.(string)
}
if v, ok := rawNetwork.(map[string]interface{})["ipv6_address"]; ok {
endpointIPAMConfig.IPv6Address = v.(string)
}
endpointConfig.IPAMConfig = endpointIPAMConfig
if err := client.NetworkConnect(ctx, networkID, retContainer.ID, endpointConfig); err != nil {
return diag.Errorf("Unable to connect to network '%s': %s", networkID, err)
}
}
}
if v, ok := d.GetOk("upload"); ok {
var mode int64
for _, upload := range v.(*schema.Set).List() {
content := upload.(map[string]interface{})["content"].(string)
contentBase64 := upload.(map[string]interface{})["content_base64"].(string)
source := upload.(map[string]interface{})["source"].(string)
testParams := []string{content, contentBase64, source}
setParams := 0
for _, v := range testParams {
if v != "" {
setParams++
}
}
if setParams == 0 {
return diag.Errorf("error with upload content: one of 'content', 'content_base64', or 'source' must be set")
}
if setParams > 1 {
return diag.Errorf("error with upload content: only one of 'content', 'content_base64', or 'source' can be set")
}
var contentToUpload string
if content != "" {
contentToUpload = content
}
if contentBase64 != "" {
decoded, _ := base64.StdEncoding.DecodeString(contentBase64)
contentToUpload = string(decoded)
}
if source != "" {
sourceContent, err := ioutil.ReadFile(source)
if err != nil {
return diag.Errorf("could not read file: %s", err)
}
contentToUpload = string(sourceContent)
}
file := upload.(map[string]interface{})["file"].(string)
executable := upload.(map[string]interface{})["executable"].(bool)
buf := new(bytes.Buffer)
tw := tar.NewWriter(buf)
if executable {
mode = 0o744
} else {
mode = 0o644
}
hdr := &tar.Header{
Name: file,
Mode: mode,
Size: int64(len(contentToUpload)),
ModTime: time.Now(),
}
if err := tw.WriteHeader(hdr); err != nil {
return diag.Errorf("Error creating tar archive: %s", err)
}
if _, err := tw.Write([]byte(contentToUpload)); err != nil {
return diag.Errorf("Error creating tar archive: %s", err)
}
if err := tw.Close(); err != nil {
return diag.Errorf("Error creating tar archive: %s", err)
}
dstPath := "/"
uploadContent := bytes.NewReader(buf.Bytes())
options := types.CopyToContainerOptions{}
if err := client.CopyToContainer(ctx, retContainer.ID, dstPath, uploadContent, options); err != nil {
return diag.Errorf("Unable to upload volume content: %s", err)
}
}
}
if d.Get("start").(bool) {
creationTime = time.Now()
options := types.ContainerStartOptions{}
if err := client.ContainerStart(ctx, retContainer.ID, options); err != nil {
return diag.Errorf("Unable to start container: %s", err)
}
if d.Get("wait").(bool) {
waitForHealthyState := func(result chan<- error) {
for {
infos, err := client.ContainerInspect(ctx, retContainer.ID)
if err != nil {
result <- fmt.Errorf("error inspecting container state: %s", err)
}
//infos.ContainerJSONBase.State.Health is only set when there is a healthcheck defined on the container resource
if infos.ContainerJSONBase.State.Health.Status == types.Healthy {
log.Printf("[DEBUG] container state is healthy")
break
}
log.Printf("[DEBUG] waiting for container healthy state")
time.Sleep(time.Second)
}
result <- nil
}
ctx, cancel := context.WithTimeout(ctx, time.Duration(d.Get("wait_timeout").(int))*time.Second)
defer cancel()
result := make(chan error, 1)
go waitForHealthyState(result)
select {
case <-ctx.Done():
log.Printf("[ERROR] Container %s failed to be in healthy state in time", retContainer.ID)
return diag.FromErr(errContainerFailedToBeInHealthyState)
case err := <-result:
if err != nil {
return diag.FromErr(err)
}
}
}
}
if d.Get("attach").(bool) {
var b bytes.Buffer
logsRead := make(chan bool)
if d.Get("logs").(bool) {
go func() {
defer func() { logsRead <- true }()
reader, err := client.ContainerLogs(ctx, retContainer.ID, types.ContainerLogsOptions{
ShowStdout: true,
ShowStderr: true,
Follow: true,
Timestamps: false,
})
if err != nil {
log.Panic(err)
}
defer reader.Close()
scanner := bufio.NewScanner(reader)
for scanner.Scan() {
line := scanner.Text()
b.WriteString(line)
b.WriteString("\n")
log.Printf("[DEBUG] container logs: %s", line)
}
if err := scanner.Err(); err != nil {
log.Fatal(err)
}
}()
}
attachCh, errAttachCh := client.ContainerWait(ctx, retContainer.ID, container.WaitConditionNotRunning)
select {
case err := <-errAttachCh:
if err != nil {
return diag.Errorf("Unable to wait container end of execution: %s", err)
}
case <-attachCh:
if d.Get("logs").(bool) {
// There is a race condition here.
// If the goroutine does not finish writing into the buffer by this line, we will have no logs.
// Thus, waiting for the goroutine to finish
<-logsRead
d.Set("container_logs", b.String())
}
}
}
return resourceDockerContainerRead(ctx, d, meta)
}
func resourceDockerContainerRead(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
containerReadRefreshTimeoutMilliseconds := d.Get("container_read_refresh_timeout_milliseconds").(int)
// Ensure the timeout can never be 0, the default integer value.
// This also ensures imported resources will get the default of 15 seconds
if containerReadRefreshTimeoutMilliseconds == 0 {
containerReadRefreshTimeoutMilliseconds = containerReadRefreshTimeoutMillisecondsDefault
}
log.Printf("[INFO] Waiting for container: '%s' to run: max '%v seconds'", d.Id(), containerReadRefreshTimeoutMilliseconds/1000)
client := meta.(*ProviderConfig).DockerClient
apiContainer, err := fetchDockerContainer(ctx, d.Id(), client)
if err != nil {
return diag.FromErr(err)
}
if apiContainer == nil {
// This container doesn't exist anymore
d.SetId("")
return nil
}
stateConf := &resource.StateChangeConf{
Pending: []string{"pending"},
Target: []string{"running"},
Refresh: resourceDockerContainerReadRefreshFunc(ctx, d, meta),
Timeout: time.Duration(containerReadRefreshTimeoutMilliseconds) * time.Millisecond,
MinTimeout: containerReadRefreshWaitBeforeRefreshes,
Delay: containerReadRefreshDelay,
}
containerRaw, err := stateConf.WaitForStateContext(ctx)
if err != nil {
if errors.Is(err, errContainerFailedToBeCreated) {
return resourceDockerContainerDelete(ctx, d, meta)
}
if errors.Is(err, errContainerExitedImmediately) {
if err := resourceDockerContainerDelete(ctx, d, meta); err != nil {
log.Printf("[ERROR] Container %s failed to be deleted: %v", apiContainer.ID, err)
return diag.FromErr(errContainerFailedToBeDeleted)
}
}
return diag.FromErr(err)
}
container := containerRaw.(types.ContainerJSON)
jsonObj, _ := json.MarshalIndent(container, "", "\t")
log.Printf("[DEBUG] Docker container inspect from stateFunc: %s", jsonObj)
if !container.State.Running && d.Get("must_run").(bool) {
if err := resourceDockerContainerDelete(ctx, d, meta); err != nil {
log.Printf("[ERROR] Container %s failed to be deleted: %v", container.ID, err)
return err
}
log.Printf("[ERROR] Container %s failed to be in running state", container.ID)
return diag.FromErr(errContainerFailedToBeInRunningState)
}
if !container.State.Running {
d.Set("exit_code", container.State.ExitCode)
}
// Read Network Settings
if container.NetworkSettings != nil {
d.Set("bridge", container.NetworkSettings.Bridge)
if err := d.Set("ports", flattenContainerPorts(container.NetworkSettings.Ports)); err != nil {
log.Printf("[WARN] failed to set ports from API: %s", err)
}
if err := d.Set("network_data", flattenContainerNetworks(container.NetworkSettings)); err != nil {
log.Printf("[WARN] failed to set network settings from API: %s", err)
}
}
// TODO all the other attributes
d.SetId(container.ID)
d.Set("name", strings.TrimLeft(container.Name, "/")) // api prefixes with '/' ...
d.Set("rm", container.HostConfig.AutoRemove)
d.Set("read_only", container.HostConfig.ReadonlyRootfs)
// "start" can't be imported
// attach
// logs
// "must_run" can't be imported
// container_logs
d.Set("image", container.Image)
d.Set("hostname", container.Config.Hostname)
d.Set("domainname", container.Config.Domainname)
d.Set("command", container.Config.Cmd)
d.Set("entrypoint", container.Config.Entrypoint)
d.Set("user", container.Config.User)
d.Set("dns", container.HostConfig.DNS)
d.Set("dns_opts", container.HostConfig.DNSOptions)
d.Set("security_opts", container.HostConfig.SecurityOpt)
d.Set("dns_search", container.HostConfig.DNSSearch)
d.Set("publish_all_ports", container.HostConfig.PublishAllPorts)
d.Set("restart", container.HostConfig.RestartPolicy.Name)
d.Set("max_retry_count", container.HostConfig.RestartPolicy.MaximumRetryCount)
// From what I can tell Init being nullable is only for container creation to allow
// dockerd to default it to the daemons own default settings. So this != nil
// check is most likely not ever going to fail. In the event that it does the
// "init" value will be set to false as there isn't much else we can do about it.
if container.HostConfig.Init != nil {
d.Set("init", *container.HostConfig.Init)
} else {
d.Set("init", false)
}
d.Set("working_dir", container.Config.WorkingDir)
if len(container.HostConfig.CapAdd) > 0 || len(container.HostConfig.CapDrop) > 0 {
// TODO implement DiffSuppressFunc
d.Set("capabilities", []interface{}{
map[string]interface{}{
"add": container.HostConfig.CapAdd,
"drop": container.HostConfig.CapDrop,
},
})
}
d.Set("runtime", container.HostConfig.Runtime)
d.Set("mounts", getDockerContainerMounts(container))
// volumes
d.Set("tmpfs", container.HostConfig.Tmpfs)
if err := d.Set("host", flattenExtraHosts(container.HostConfig.ExtraHosts)); err != nil {
log.Printf("[WARN] failed to set container hostconfig extrahosts from API: %s", err)
}
if err = d.Set("ulimit", flattenUlimits(container.HostConfig.Ulimits)); err != nil {
log.Printf("[WARN] failed to set container hostconfig ulimits from API: %s", err)
}
// We decided not to set the environment variables and labels
// because they are taken over from the Docker image and aren't scalar
// so it's difficult to treat them well.
// For detail, please see the following URLs.
// https://github.com/terraform-providers/terraform-provider-docker/issues/242
// https://github.com/terraform-providers/terraform-provider-docker/pull/269
d.Set("privileged", container.HostConfig.Privileged)
if err = d.Set("devices", flattenDevices(container.HostConfig.Devices)); err != nil {
log.Printf("[WARN] failed to set container hostconfig devices from API: %s", err)
}
// "destroy_grace_seconds" can't be imported
d.Set("memory", container.HostConfig.Memory/1024/1024)
if container.HostConfig.MemorySwap > 0 {
d.Set("memory_swap", container.HostConfig.MemorySwap/1024/1024)
} else {
d.Set("memory_swap", container.HostConfig.MemorySwap)
}
d.Set("shm_size", container.HostConfig.ShmSize/1024/1024)
d.Set("cpu_shares", container.HostConfig.CPUShares)
d.Set("cpu_set", container.HostConfig.CpusetCpus)
d.Set("log_driver", container.HostConfig.LogConfig.Type)
d.Set("log_opts", container.HostConfig.LogConfig.Config)
d.Set("storage_opts", container.HostConfig.StorageOpt)
d.Set("network_mode", container.HostConfig.NetworkMode)
d.Set("pid_mode", container.HostConfig.PidMode)
d.Set("userns_mode", container.HostConfig.UsernsMode)
// "upload" can't be imported
if container.Config.Healthcheck != nil {
d.Set("healthcheck", []interface{}{
map[string]interface{}{
"test": container.Config.Healthcheck.Test,
"interval": container.Config.Healthcheck.Interval.String(),
"timeout": container.Config.Healthcheck.Timeout.String(),
"start_period": container.Config.Healthcheck.StartPeriod.String(),
"retries": container.Config.Healthcheck.Retries,
},
})
}
d.Set("sysctls", container.HostConfig.Sysctls)
d.Set("ipc_mode", container.HostConfig.IpcMode)
d.Set("group_add", container.HostConfig.GroupAdd)
d.Set("tty", container.Config.Tty)
d.Set("stdin_open", container.Config.OpenStdin)
d.Set("stop_signal", container.Config.StopSignal)
d.Set("stop_timeout", container.Config.StopTimeout)
if len(container.HostConfig.DeviceRequests) > 0 {
// TODO pass the original gpus property string back to the resource
// var gpuOpts opts.GpuOpts
// gpuOpts = opts.GpuOpts{container.HostConfig.DeviceRequests}
d.Set("gpus", "all")
}
return nil
}
func resourceDockerContainerReadRefreshFunc(ctx context.Context,
d *schema.ResourceData, meta interface{}) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
client := meta.(*ProviderConfig).DockerClient
containerID := d.Id()
var container types.ContainerJSON
container, err := client.ContainerInspect(ctx, containerID)
if err != nil {
return container, "pending", err
}
jsonObj, _ := json.MarshalIndent(container, "", "\t")
log.Printf("[DEBUG] Docker container inspect: %s", jsonObj)
if container.State.Running ||
!container.State.Running && !d.Get("must_run").(bool) {
log.Printf("[DEBUG] Container %s is running: %v", containerID, container.State.Running)
return container, "running", nil
}
if creationTime.IsZero() { // We didn't just create it, so don't wait around
log.Printf("[DEBUG] Container %s was not created", containerID)
return container, "pending", errContainerFailedToBeCreated
}
finishTime, err := time.Parse(time.RFC3339, container.State.FinishedAt)
if err != nil {
log.Printf("[ERROR] Container %s finish time could not be parsed: %s", containerID, container.State.FinishedAt)
return container, "pending", err
}
if finishTime.After(creationTime) {
log.Printf("[INFO] Container %s exited immediately: started: %v - finished: %v", containerID, creationTime, finishTime)
return container, "pending", errContainerExitedImmediately
}
// TODO mavogel wait until all properties are exposed from the API
// dns = []
// dns_opts = []
// dns_search = []
// group_add = []
// id = "9e6d9e987923e2c3a99f17e8781c7ce3515558df0e45f8ab06f6adb2dda0de50"
// log_opts = {}
// name = "nginx"
// sysctls = {}
// tmpfs = {}
return container, "running", nil
}
}
func resourceDockerContainerUpdate(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
attrs := []string{
"restart", "max_retry_count", "cpu_shares", "memory", "cpu_set", "memory_swap",
}
for _, attr := range attrs {
if d.HasChange(attr) {
// TODO update ulimits
// Updating ulimits seems not to work well.
// It succeeds to run `DockerClient.ContainerUpdate` with `ulimit` but actually `ulimit` aren't changed.
// https://github.com/terraform-providers/terraform-provider-docker/pull/236#discussion_r373819536
// ulimits := []*units.Ulimit{}
// if v, ok := d.GetOk("ulimit"); ok {
// ulimits = ulimitsToDockerUlimits(v.(*schema.Set))
// }
updateConfig := container.UpdateConfig{
RestartPolicy: container.RestartPolicy{
Name: d.Get("restart").(string),
MaximumRetryCount: d.Get("max_retry_count").(int),
},
Resources: container.Resources{
CPUShares: int64(d.Get("cpu_shares").(int)),
Memory: int64(d.Get("memory").(int)) * 1024 * 1024,
CpusetCpus: d.Get("cpu_set").(string),
// Ulimits: ulimits,
},
}
if ms, ok := d.GetOk("memory_swap"); ok {
a := int64(ms.(int))
if a > 0 {
a = a * 1024 * 1024
}
updateConfig.Resources.MemorySwap = a
}
client := meta.(*ProviderConfig).DockerClient
_, err := client.ContainerUpdate(ctx, d.Id(), updateConfig)
if err != nil {
return diag.Errorf("Unable to update a container: %v", err)
}
break
}
}
return nil
}
func resourceDockerContainerDelete(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
client := meta.(*ProviderConfig).DockerClient
if !d.Get("attach").(bool) {
// Stop the container before removing if destroy_grace_seconds is defined
var timeout time.Duration
if d.Get("destroy_grace_seconds").(int) > 0 {
timeout = time.Duration(int32(d.Get("destroy_grace_seconds").(int))) * time.Second
}
log.Printf("[INFO] Stopping Container '%s' with timeout %v", d.Id(), timeout)
if err := client.ContainerStop(ctx, d.Id(), &timeout); err != nil {
return diag.Errorf("Error stopping container %s: %s", d.Id(), err)
}
}
removeOpts := types.ContainerRemoveOptions{
RemoveVolumes: d.Get("remove_volumes").(bool),
RemoveLinks: d.Get("rm").(bool),
Force: true,
}
log.Printf("[INFO] Removing Container '%s'", d.Id())
if err := client.ContainerRemove(ctx, d.Id(), removeOpts); err != nil {
if !containsIgnorableErrorMessage(err.Error(), "No such container", "is already in progress") {
return diag.Errorf("Error deleting container %s: %s", d.Id(), err)
}
}
waitCondition := container.WaitConditionNotRunning
if d.Get("rm").(bool) {
waitCondition = container.WaitConditionRemoved
}
log.Printf("[INFO] Waiting for Container '%s' with condition '%s'", d.Id(), waitCondition)
waitOkC, errorC := client.ContainerWait(ctx, d.Id(), waitCondition)
select {
case waitOk := <-waitOkC:
log.Printf("[INFO] Container exited with code [%v]: '%s'", waitOk.StatusCode, d.Id())
case err := <-errorC:
if !containsIgnorableErrorMessage(err.Error(), "No such container", "is already in progress") {
return diag.Errorf("Error waiting for container removal '%s': %s", d.Id(), err)
}
log.Printf("[INFO] Waiting for Container '%s' errord: '%s'", d.Id(), err.Error())
}
d.SetId("")
return nil
}
func fetchDockerContainer(ctx context.Context, ID string, client *client.Client) (*types.Container, error) {
apiContainers, err := client.ContainerList(ctx, types.ContainerListOptions{All: true})
if err != nil {
return nil, fmt.Errorf("error fetching container information from Docker: %s\n", err)
}
for _, apiContainer := range apiContainers {
if apiContainer.ID == ID {
return &apiContainer, nil
}
}
return nil, nil
}