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/
resource_docker_network_funcs.go
198 lines (165 loc) · 5.54 KB
/
resource_docker_network_funcs.go
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package docker
import (
"fmt"
"strings"
"context"
"encoding/json"
"log"
"time"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/network"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceDockerNetworkCreate(d *schema.ResourceData, meta interface{}) error {
client := meta.(*ProviderConfig).DockerClient
createOpts := types.NetworkCreate{}
if v, ok := d.GetOk("labels"); ok {
createOpts.Labels = mapTypeMapValsToString(v.(map[string]interface{}))
}
if v, ok := d.GetOk("check_duplicate"); ok {
createOpts.CheckDuplicate = v.(bool)
}
if v, ok := d.GetOk("driver"); ok {
createOpts.Driver = v.(string)
}
if v, ok := d.GetOk("options"); ok {
createOpts.Options = mapTypeMapValsToString(v.(map[string]interface{}))
}
if v, ok := d.GetOk("internal"); ok {
createOpts.Internal = v.(bool)
}
if v, ok := d.GetOk("attachable"); ok {
createOpts.Attachable = v.(bool)
}
if v, ok := d.GetOk("ingress"); ok {
createOpts.Ingress = v.(bool)
}
if v, ok := d.GetOk("ipv6"); ok {
createOpts.EnableIPv6 = v.(bool)
}
ipamOpts := &network.IPAM{}
ipamOptsSet := false
if v, ok := d.GetOk("ipam_driver"); ok {
ipamOpts.Driver = v.(string)
ipamOptsSet = true
}
if v, ok := d.GetOk("ipam_config"); ok {
ipamOpts.Config = ipamConfigSetToIpamConfigs(v.(*schema.Set))
ipamOptsSet = true
}
if ipamOptsSet {
createOpts.IPAM = ipamOpts
}
retNetwork := types.NetworkCreateResponse{}
retNetwork, err := client.NetworkCreate(context.Background(), d.Get("name").(string), createOpts)
if err != nil {
return fmt.Errorf("Unable to create network: %s", err)
}
d.SetId(retNetwork.ID)
return resourceDockerNetworkRead(d, meta)
}
func resourceDockerNetworkRead(d *schema.ResourceData, meta interface{}) error {
log.Printf("[INFO] Waiting for network: '%s' to expose all fields: max '%v seconds'", d.Id(), 30)
stateConf := &resource.StateChangeConf{
Pending: []string{"pending"},
Target: []string{"all_fields", "removed"},
Refresh: resourceDockerNetworkReadRefreshFunc(d, meta),
Timeout: 30 * time.Second,
MinTimeout: 5 * time.Second,
Delay: 2 * time.Second,
}
// Wait, catching any errors
_, err := stateConf.WaitForState()
if err != nil {
return err
}
return nil
}
func resourceDockerNetworkDelete(d *schema.ResourceData, meta interface{}) error {
log.Printf("[INFO] Waiting for network: '%s' to be removed: max '%v seconds'", d.Id(), 30)
stateConf := &resource.StateChangeConf{
Pending: []string{"pending"},
Target: []string{"removed"},
Refresh: resourceDockerNetworkRemoveRefreshFunc(d, meta),
Timeout: 30 * time.Second,
MinTimeout: 5 * time.Second,
Delay: 2 * time.Second,
}
// Wait, catching any errors
_, err := stateConf.WaitForState()
if err != nil {
return err
}
d.SetId("")
return nil
}
func ipamConfigSetToIpamConfigs(ipamConfigSet *schema.Set) []network.IPAMConfig {
ipamConfigs := make([]network.IPAMConfig, ipamConfigSet.Len())
for i, ipamConfigInt := range ipamConfigSet.List() {
ipamConfigRaw := ipamConfigInt.(map[string]interface{})
ipamConfig := network.IPAMConfig{}
ipamConfig.Subnet = ipamConfigRaw["subnet"].(string)
ipamConfig.IPRange = ipamConfigRaw["ip_range"].(string)
ipamConfig.Gateway = ipamConfigRaw["gateway"].(string)
auxAddressRaw := ipamConfigRaw["aux_address"].(map[string]interface{})
ipamConfig.AuxAddress = make(map[string]string, len(auxAddressRaw))
for k, v := range auxAddressRaw {
ipamConfig.AuxAddress[k] = v.(string)
}
ipamConfigs[i] = ipamConfig
}
return ipamConfigs
}
func resourceDockerNetworkReadRefreshFunc(
d *schema.ResourceData, meta interface{}) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
client := meta.(*ProviderConfig).DockerClient
networkID := d.Id()
retNetwork, _, err := client.NetworkInspectWithRaw(context.Background(), networkID, types.NetworkInspectOptions{})
if err != nil {
log.Printf("[WARN] Network (%s) not found, removing from state", networkID)
d.SetId("")
return networkID, "removed", nil
}
jsonObj, _ := json.MarshalIndent(retNetwork, "", "\t")
log.Printf("[DEBUG] Docker network inspect: %s", jsonObj)
d.Set("internal", retNetwork.Internal)
d.Set("attachable", retNetwork.Attachable)
d.Set("ingress", retNetwork.Ingress)
d.Set("ipv6", retNetwork.EnableIPv6)
d.Set("driver", retNetwork.Driver)
d.Set("scope", retNetwork.Scope)
if retNetwork.Scope == "overlay" {
if retNetwork.Options != nil && len(retNetwork.Options) != 0 {
d.Set("options", retNetwork.Options)
} else {
log.Printf("[DEBUG] options: %v not exposed", retNetwork.Options)
return networkID, "pending", nil
}
} else {
d.Set("options", retNetwork.Options)
}
log.Println("[DEBUG] all network fields exposed")
return networkID, "all_fields", nil
}
}
func resourceDockerNetworkRemoveRefreshFunc(
d *schema.ResourceData, meta interface{}) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
client := meta.(*ProviderConfig).DockerClient
networkID := d.Id()
_, _, err := client.NetworkInspectWithRaw(context.Background(), networkID, types.NetworkInspectOptions{})
if err != nil {
log.Printf("[INFO] Network (%s) not found. Already removed", networkID)
return networkID, "removed", nil
}
if err := client.NetworkRemove(context.Background(), networkID); err != nil {
if strings.Contains(err.Error(), "has active endpoints") {
return networkID, "pending", nil
}
return networkID, "other", err
}
return networkID, "removed", nil
}
}