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resource_evpn.go
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resource_evpn.go
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package junos
import (
"context"
"fmt"
"regexp"
"strings"
"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/validation"
)
type evpnOptions struct {
routingInstanceEvpn bool
defaultGateway string
encapsulation string
multicastMode string
routingInstance string
switchOrRIOptions []map[string]interface{}
}
func resourceEvpn() *schema.Resource {
return &schema.Resource{
CreateWithoutTimeout: resourceEvpnCreate,
ReadWithoutTimeout: resourceEvpnRead,
UpdateWithoutTimeout: resourceEvpnUpdate,
DeleteWithoutTimeout: resourceEvpnDelete,
Importer: &schema.ResourceImporter{
StateContext: resourceEvpnImport,
},
Schema: map[string]*schema.Schema{
"routing_instance": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Default: defaultW,
ValidateDiagFunc: validateNameObjectJunos([]string{}, 64, formatDefault),
},
"routing_instance_evpn": {
Type: schema.TypeBool,
Optional: true,
ForceNew: true,
RequiredWith: []string{"routing_instance", "switch_or_ri_options"},
},
"encapsulation": {
Type: schema.TypeString,
Required: true,
ValidateFunc: validation.StringInSlice([]string{"mpls", "vxlan"}, false),
},
"default_gateway": {
Type: schema.TypeString,
Optional: true,
ValidateFunc: validation.StringInSlice([]string{"advertise", "do-not-advertise", "no-gateway-community"}, false),
},
"multicast_mode": {
Type: schema.TypeString,
Optional: true,
ValidateFunc: validation.StringInSlice([]string{"ingress-replication"}, false),
},
"switch_or_ri_options": {
Type: schema.TypeList,
Optional: true,
MaxItems: 1,
ForceNew: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"route_distinguisher": {
Type: schema.TypeString,
Required: true,
ValidateFunc: validation.StringMatch(regexp.MustCompile(
`^(\d|\.)+L?:\d+$`), "must have valid route distinguisher. Use format 'x:y'"),
},
"vrf_export": {
Type: schema.TypeList,
Optional: true,
Elem: &schema.Schema{
Type: schema.TypeString,
ValidateDiagFunc: validateNameObjectJunos([]string{}, 64, formatDefault),
},
},
"vrf_import": {
Type: schema.TypeList,
Optional: true,
Elem: &schema.Schema{
Type: schema.TypeString,
ValidateDiagFunc: validateNameObjectJunos([]string{}, 64, formatDefault),
},
},
"vrf_target": {
Type: schema.TypeString,
Optional: true,
ValidateFunc: validation.StringMatch(regexp.MustCompile(
`^target:(\d|\.)+L?:\d+$`), "must have valid target. Use format 'target:x:y'"),
},
"vrf_target_auto": {
Type: schema.TypeBool,
Optional: true,
},
"vrf_target_export": {
Type: schema.TypeString,
Optional: true,
ValidateFunc: validation.StringMatch(regexp.MustCompile(
`^target:(\d|\.)+L?:\d+$`), "must have valid target. Use format 'target:x:y'"),
},
"vrf_target_import": {
Type: schema.TypeString,
Optional: true,
ValidateFunc: validation.StringMatch(regexp.MustCompile(
`^target:(\d|\.)+L?:\d+$`), "must have valid target. Use format 'target:x:y'"),
},
},
},
},
},
}
}
func resourceEvpnCreate(ctx context.Context, d *schema.ResourceData, m interface{}) diag.Diagnostics {
clt := m.(*Client)
if clt.fakeCreateSetFile != "" {
if err := setEvpn(d, clt, nil); err != nil {
return diag.FromErr(err)
}
d.SetId(d.Get("routing_instance").(string))
return nil
}
junSess, err := clt.startNewSession(ctx)
if err != nil {
return diag.FromErr(err)
}
defer clt.closeSession(junSess)
if err := clt.configLock(ctx, junSess); err != nil {
return diag.FromErr(err)
}
var diagWarns diag.Diagnostics
if d.Get("routing_instance").(string) != defaultW {
instanceExists, err := checkRoutingInstanceExists(d.Get("routing_instance").(string), clt, junSess)
if err != nil {
appendDiagWarns(&diagWarns, clt.configClear(junSess))
return append(diagWarns, diag.FromErr(err)...)
}
if !instanceExists {
appendDiagWarns(&diagWarns, clt.configClear(junSess))
return append(diagWarns,
diag.FromErr(fmt.Errorf("routing instance %v doesn't exist", d.Get("routing_instance").(string)))...)
}
}
if err := setEvpn(d, clt, junSess); err != nil {
appendDiagWarns(&diagWarns, clt.configClear(junSess))
return append(diagWarns, diag.FromErr(err)...)
}
warns, err := clt.commitConf("create resource junos_evpn", junSess)
appendDiagWarns(&diagWarns, warns)
if err != nil {
appendDiagWarns(&diagWarns, clt.configClear(junSess))
return append(diagWarns, diag.FromErr(err)...)
}
d.SetId(d.Get("routing_instance").(string))
return append(diagWarns, resourceEvpnReadWJunSess(d, clt, junSess)...)
}
func resourceEvpnRead(ctx context.Context, d *schema.ResourceData, m interface{}) diag.Diagnostics {
clt := m.(*Client)
junSess, err := clt.startNewSession(ctx)
if err != nil {
return diag.FromErr(err)
}
defer clt.closeSession(junSess)
return resourceEvpnReadWJunSess(d, clt, junSess)
}
func resourceEvpnReadWJunSess(d *schema.ResourceData, clt *Client, junSess *junosSession) diag.Diagnostics {
mutex.Lock()
if d.Get("routing_instance").(string) != defaultW {
instanceExists, err := checkRoutingInstanceExists(d.Get("routing_instance").(string), clt, junSess)
if err != nil {
mutex.Unlock()
return diag.FromErr(err)
}
if !instanceExists {
mutex.Unlock()
d.SetId("")
return nil
}
}
evpnOptions, err := readEvpn(d.Get("routing_instance").(string), clt, junSess)
mutex.Unlock()
if err != nil {
return diag.FromErr(err)
}
if evpnOptions.routingInstance == "" {
d.SetId("")
} else {
fillEvpnData(d, evpnOptions)
}
return nil
}
func resourceEvpnUpdate(ctx context.Context, d *schema.ResourceData, m interface{}) diag.Diagnostics {
d.Partial(true)
clt := m.(*Client)
if clt.fakeUpdateAlso {
if err := delEvpn(false, d, clt, nil); err != nil {
return diag.FromErr(err)
}
if err := setEvpn(d, clt, nil); err != nil {
return diag.FromErr(err)
}
d.Partial(false)
return nil
}
junSess, err := clt.startNewSession(ctx)
if err != nil {
return diag.FromErr(err)
}
defer clt.closeSession(junSess)
if err := clt.configLock(ctx, junSess); err != nil {
return diag.FromErr(err)
}
var diagWarns diag.Diagnostics
if err := delEvpn(false, d, clt, junSess); err != nil {
appendDiagWarns(&diagWarns, clt.configClear(junSess))
return append(diagWarns, diag.FromErr(err)...)
}
if err := setEvpn(d, clt, junSess); err != nil {
appendDiagWarns(&diagWarns, clt.configClear(junSess))
return append(diagWarns, diag.FromErr(err)...)
}
warns, err := clt.commitConf("update resource junos_evpn", junSess)
appendDiagWarns(&diagWarns, warns)
if err != nil {
appendDiagWarns(&diagWarns, clt.configClear(junSess))
return append(diagWarns, diag.FromErr(err)...)
}
d.Partial(false)
return append(diagWarns, resourceEvpnReadWJunSess(d, clt, junSess)...)
}
func resourceEvpnDelete(ctx context.Context, d *schema.ResourceData, m interface{}) diag.Diagnostics {
clt := m.(*Client)
if clt.fakeDeleteAlso {
if err := delEvpn(true, d, clt, nil); err != nil {
return diag.FromErr(err)
}
return nil
}
junSess, err := clt.startNewSession(ctx)
if err != nil {
return diag.FromErr(err)
}
defer clt.closeSession(junSess)
if err := clt.configLock(ctx, junSess); err != nil {
return diag.FromErr(err)
}
var diagWarns diag.Diagnostics
if err := delEvpn(true, d, clt, junSess); err != nil {
appendDiagWarns(&diagWarns, clt.configClear(junSess))
return append(diagWarns, diag.FromErr(err)...)
}
warns, err := clt.commitConf("delete resource junos_evpn", junSess)
appendDiagWarns(&diagWarns, warns)
if err != nil {
appendDiagWarns(&diagWarns, clt.configClear(junSess))
return append(diagWarns, diag.FromErr(err)...)
}
return diagWarns
}
func resourceEvpnImport(ctx context.Context, d *schema.ResourceData, m interface{},
) ([]*schema.ResourceData, error) {
clt := m.(*Client)
junSess, err := clt.startNewSession(ctx)
if err != nil {
return nil, err
}
defer clt.closeSession(junSess)
result := make([]*schema.ResourceData, 1)
idList := strings.Split(d.Id(), idSeparator)
if idList[0] != defaultW {
instanceExists, err := checkRoutingInstanceExists(idList[0], clt, junSess)
if err != nil {
return nil, err
}
if !instanceExists {
return nil, fmt.Errorf("routing instance %v doesn't exist", idList[0])
}
}
evpnOptions, err := readEvpn(idList[0], clt, junSess)
if err != nil {
return nil, err
}
if evpnOptions.routingInstance == "" {
return nil, fmt.Errorf("don't find protocols evpn with id '%v' "+
"(id must be <routing_instance>)", d.Id())
}
fillEvpnData(d, evpnOptions)
if len(idList) > 1 || idList[0] == defaultW {
if tfErr := d.Set("switch_or_ri_options", evpnOptions.switchOrRIOptions); tfErr != nil {
panic(tfErr)
}
}
result[0] = d
return result, nil
}
func setEvpn(d *schema.ResourceData, clt *Client, junSess *junosSession) error {
configSet := make([]string, 0)
setPrefix := setLS
setPrefixSwitchRIVRF := setLS
if d.Get("routing_instance").(string) == defaultW {
if len(d.Get("switch_or_ri_options").([]interface{})) == 0 {
return fmt.Errorf("`switch_or_ri_options` required if `routing_instance` = %s", defaultW)
}
if d.Get("routing_instance_evpn").(bool) {
return fmt.Errorf("`routing_instance_evpn` incompatible if `routing_instance` = %s", defaultW)
}
if v := d.Get("default_gateway").(string); v != "" {
return fmt.Errorf("`default_gateway` incompatible if `routing_instance` = %s", defaultW)
}
setPrefix += "protocols evpn "
setPrefixSwitchRIVRF += "switch-options "
} else {
setPrefix = setRoutingInstances + d.Get("routing_instance").(string) + " protocols evpn "
setPrefixSwitchRIVRF = setRoutingInstances + d.Get("routing_instance").(string) + " "
}
if d.Get("routing_instance_evpn").(bool) {
if len(d.Get("switch_or_ri_options").([]interface{})) == 0 {
return fmt.Errorf("`switch_or_ri_options` required if routing_instance_evpn = true")
}
configSet = append(configSet, setPrefixSwitchRIVRF+"instance-type evpn")
}
if v := d.Get("encapsulation").(string); v != "" {
configSet = append(configSet, setPrefix+"encapsulation "+v)
}
if v := d.Get("default_gateway").(string); v != "" {
configSet = append(configSet, setPrefix+"default-gateway "+v)
}
if v := d.Get("multicast_mode").(string); v != "" {
configSet = append(configSet, setPrefix+"multicast-mode "+v)
}
for _, v := range d.Get("switch_or_ri_options").([]interface{}) {
swOpts := v.(map[string]interface{})
configSet = append(configSet, setPrefixSwitchRIVRF+"route-distinguisher "+swOpts["route_distinguisher"].(string))
for _, v2 := range swOpts["vrf_export"].([]interface{}) {
configSet = append(configSet, setPrefixSwitchRIVRF+"vrf-export \""+v2.(string)+"\"")
}
for _, v2 := range swOpts["vrf_import"].([]interface{}) {
configSet = append(configSet, setPrefixSwitchRIVRF+"vrf-import \""+v2.(string)+"\"")
}
if v2 := swOpts["vrf_target"].(string); v2 != "" {
configSet = append(configSet, setPrefixSwitchRIVRF+"vrf-target "+v2)
}
if swOpts["vrf_target_auto"].(bool) {
configSet = append(configSet, setPrefixSwitchRIVRF+"vrf-target auto")
}
if v2 := swOpts["vrf_target_export"].(string); v2 != "" {
configSet = append(configSet, setPrefixSwitchRIVRF+"vrf-target export "+v2)
}
if v2 := swOpts["vrf_target_import"].(string); v2 != "" {
configSet = append(configSet, setPrefixSwitchRIVRF+"vrf-target import "+v2)
}
}
return clt.configSet(configSet, junSess)
}
func readEvpn(routingInstance string, clt *Client, junSess *junosSession,
) (evpnOptions, error) {
var confRead evpnOptions
var showConfig string
var showConfigSwitchRI string
if routingInstance == defaultW {
var err error
showConfig, err = clt.command(cmdShowConfig+"protocols evpn"+pipeDisplaySetRelative, junSess)
if err != nil {
return confRead, err
}
showConfigSwitchRI, err = clt.command(cmdShowConfig+"switch-options"+pipeDisplaySetRelative, junSess)
if err != nil {
return confRead, err
}
} else {
var err error
showConfig, err = clt.command(cmdShowConfig+routingInstancesWS+routingInstance+" "+
"protocols evpn"+pipeDisplaySetRelative, junSess)
if err != nil {
return confRead, err
}
showConfigSwitchRI, err = clt.command(cmdShowConfig+routingInstancesWS+routingInstance+
pipeDisplaySetRelative, junSess)
if err != nil {
return confRead, err
}
}
if showConfig != emptyW {
confRead.routingInstance = routingInstance
for _, item := range strings.Split(showConfig, "\n") {
if strings.Contains(item, xmlStartTagConfigOut) {
continue
}
if strings.Contains(item, xmlEndTagConfigOut) {
break
}
itemTrim := strings.TrimPrefix(item, setLS)
switch {
case strings.HasPrefix(itemTrim, "default-gateway "):
confRead.defaultGateway = strings.TrimPrefix(itemTrim, "default-gateway ")
case strings.HasPrefix(itemTrim, "encapsulation "):
confRead.encapsulation = strings.TrimPrefix(itemTrim, "encapsulation ")
case strings.HasPrefix(itemTrim, "multicast-mode "):
confRead.multicastMode = strings.TrimPrefix(itemTrim, "multicast-mode ")
}
}
}
if showConfigSwitchRI != emptyW {
for _, item := range strings.Split(showConfigSwitchRI, "\n") {
if strings.Contains(item, xmlStartTagConfigOut) {
continue
}
if strings.Contains(item, xmlEndTagConfigOut) {
break
}
itemTrim := strings.TrimPrefix(item, setLS)
switch {
case itemTrim == "instance-type evpn":
confRead.routingInstanceEvpn = true
case strings.HasPrefix(itemTrim, "route-distinguisher ") ||
strings.HasPrefix(itemTrim, "vrf-export") ||
strings.HasPrefix(itemTrim, "vrf-import") ||
strings.HasPrefix(itemTrim, "vrf-target"):
if len(confRead.switchOrRIOptions) == 0 {
confRead.switchOrRIOptions = append(confRead.switchOrRIOptions, map[string]interface{}{
"route_distinguisher": "",
"vrf_export": make([]string, 0),
"vrf_import": make([]string, 0),
"vrf_target": "",
"vrf_target_auto": false,
"vrf_target_export": "",
"vrf_target_import": "",
})
}
switch {
case strings.HasPrefix(itemTrim, "route-distinguisher "):
confRead.switchOrRIOptions[0]["route_distinguisher"] = strings.TrimPrefix(itemTrim, "route-distinguisher ")
case strings.HasPrefix(itemTrim, "vrf-export "):
confRead.switchOrRIOptions[0]["vrf_export"] = append(confRead.switchOrRIOptions[0]["vrf_export"].([]string),
strings.Trim(strings.TrimPrefix(itemTrim, "vrf-export "), "\""))
case strings.HasPrefix(itemTrim, "vrf-import "):
confRead.switchOrRIOptions[0]["vrf_import"] = append(confRead.switchOrRIOptions[0]["vrf_import"].([]string),
strings.Trim(strings.TrimPrefix(itemTrim, "vrf-import "), "\""))
case itemTrim == "vrf-target auto":
confRead.switchOrRIOptions[0]["vrf_target_auto"] = true
case strings.HasPrefix(itemTrim, "vrf-target export "):
confRead.switchOrRIOptions[0]["vrf_target_export"] = strings.TrimPrefix(itemTrim, "vrf-target export ")
case strings.HasPrefix(itemTrim, "vrf-target import "):
confRead.switchOrRIOptions[0]["vrf_target_import"] = strings.TrimPrefix(itemTrim, "vrf-target import ")
case strings.HasPrefix(itemTrim, "vrf-target "):
confRead.switchOrRIOptions[0]["vrf_target"] = strings.TrimPrefix(itemTrim, "vrf-target ")
}
}
}
}
return confRead, nil
}
func delEvpn(destroy bool, d *schema.ResourceData, clt *Client, junSess *junosSession) error {
configSet := make([]string, 0, 1)
delPrefix := "delete protocols evpn "
delPrefixSwitchRIVRF := "delete switch-options "
if d.Get("routing_instance").(string) != defaultW {
delPrefix = delRoutingInstances + d.Get("routing_instance").(string) + " protocols evpn "
delPrefixSwitchRIVRF = delRoutingInstances + d.Get("routing_instance").(string) + " "
}
listLinesToDelete := []string{
"default-gateway",
"encapsulation",
"multicast-mode",
}
// to remove line "set protocols evpn" without options when destroy resource
if destroy {
listLinesToDelete = append(listLinesToDelete, "")
}
for _, line := range listLinesToDelete {
configSet = append(configSet, delPrefix+line)
}
listLinesToDelete = listLinesToDelete[:0]
if d.Get("routing_instance_evpn").(bool) {
listLinesToDelete = append(listLinesToDelete, "instance-type")
}
if len(d.Get("switch_or_ri_options").([]interface{})) != 0 {
listLinesToDelete = append(listLinesToDelete,
"route-distinguisher",
"vrf-export",
"vrf-import",
"vrf-target",
)
}
for _, line := range listLinesToDelete {
configSet = append(configSet, delPrefixSwitchRIVRF+line)
}
return clt.configSet(configSet, junSess)
}
func fillEvpnData(d *schema.ResourceData, evpnOptions evpnOptions) {
if tfErr := d.Set("routing_instance", evpnOptions.routingInstance); tfErr != nil {
panic(tfErr)
}
if tfErr := d.Set("routing_instance_evpn", evpnOptions.routingInstanceEvpn); tfErr != nil {
panic(tfErr)
}
if tfErr := d.Set("encapsulation", evpnOptions.encapsulation); tfErr != nil {
panic(tfErr)
}
if tfErr := d.Set("default_gateway", evpnOptions.defaultGateway); tfErr != nil {
panic(tfErr)
}
if tfErr := d.Set("multicast_mode", evpnOptions.multicastMode); tfErr != nil {
panic(tfErr)
}
if _, s := d.GetOk("switch_or_ri_options"); s {
if tfErr := d.Set("switch_or_ri_options", evpnOptions.switchOrRIOptions); tfErr != nil {
panic(tfErr)
}
}
}