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common.go
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common.go
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package cloud
import (
"bytes"
"context"
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"fmt"
"path/filepath"
"time"
"github.com/Juniper/asf/pkg/retry"
"github.com/Juniper/contrail/pkg/client"
"github.com/Juniper/contrail/pkg/models"
"github.com/Juniper/contrail/pkg/services"
"github.com/sirupsen/logrus"
"golang.org/x/crypto/ssh"
)
const (
statusRetryInterval = 3 * time.Second
)
// GetCloudDir gets directory of cloud
func GetCloudDir(cloudID string) string {
return filepath.Join(DefaultWorkRoot, cloudID)
}
// GetMultiCloudRepodir returns path to multi-cloud directory
func GetMultiCloudRepodir() string {
return filepath.Join(DefaultMultiCloudDir, DefaultMultiCloudRepo)
}
// GetGenInventoryCmd get generate inventory command
func GetGenInventoryCmd(mcDir string) string {
return filepath.Join(mcDir, DefaultGenInventoryScript)
}
// GetCloud gets cloud data for a given cloud UUID
func GetCloud(ctx context.Context, client *client.HTTP, cloudID string) (*models.Cloud, error) {
request := new(services.GetCloudRequest)
request.ID = cloudID
cloudResp, err := client.GetCloud(ctx, request)
if err != nil {
return nil, err
}
return cloudResp.GetCloud(), nil
}
// GetTopoFile gets topology file for a cloud
func GetTopoFile(cloudID string) string {
return filepath.Join(GetCloudDir(cloudID), DefaultTopologyFile)
}
// GetSecretFile gets secret file for a cloud
func GetSecretFile(cloudID string) string {
return filepath.Join(GetCloudDir(cloudID), DefaultSecretFile)
}
// GetTFStateFile get terraform state file
func GetTFStateFile(cloudID string) string {
return filepath.Join(GetCloudDir(cloudID), DefaultTFStateFile)
}
// GetTerraformAWSPlanFile gets terraform AWS plan file
func GetTerraformAWSPlanFile(cloudID string) string {
return filepath.Join(GetCloudDir(cloudID), DefaultAWSPlanTF)
}
// GetTerraformAzurePlanFile gets terraform Azure plan file
func GetTerraformAzurePlanFile(cloudID string) string {
return filepath.Join(GetCloudDir(cloudID), DefaultAzurePlanTF)
}
// GetTerraformGCPPlanFile gets terraform GCP plan file
func GetTerraformGCPPlanFile(cloudID string) string {
return filepath.Join(GetCloudDir(cloudID), DefaultGCPPlanTF)
}
func deleteNodeObjects(ctx context.Context,
client *client.HTTP, nodeList []*instanceData) []string {
var errList []string
// Delete Node related dependencies and node itself
for _, node := range nodeList {
if node.info.PortGroups != nil {
for _, portGroup := range node.info.PortGroups {
_, err := client.DeletePortGroup(ctx,
&services.DeletePortGroupRequest{
ID: portGroup.UUID,
},
)
if err != nil {
errList = append(errList, fmt.Sprintf(
"failed deleting PortGroup %s err_msg: %s",
portGroup.UUID, err))
}
}
}
if node.info.Ports != nil {
for _, port := range node.info.Ports {
_, err := client.DeletePort(ctx,
&services.DeletePortRequest{
ID: port.UUID,
},
)
if err != nil {
errList = append(errList, fmt.Sprintf(
"failed deleting Port %s err_msg: %s",
port.UUID, err))
}
}
}
_, err := client.DeleteNode(ctx,
&services.DeleteNodeRequest{
ID: node.info.UUID,
},
)
if err != nil {
errList = append(errList, fmt.Sprintf(
"failed deleting Node %s err_msg: %s",
node.info.UUID, err))
}
}
return errList
}
func removePvtSubnetRefFromNodes(ctx context.Context,
client *client.HTTP, nodeList []*instanceData) error {
for _, node := range nodeList {
for _, cloudPvtSubnetRef := range node.info.CloudPrivateSubnetRefs {
_, err := client.DeleteNodeCloudPrivateSubnetRef(ctx,
&services.DeleteNodeCloudPrivateSubnetRefRequest{
ID: node.info.UUID,
NodeCloudPrivateSubnetRef: cloudPvtSubnetRef,
},
)
if err != nil {
return err
}
}
}
return nil
}
func deleteContrailMCGWRole(ctx context.Context,
client *client.HTTP, nodeList []*instanceData) []string {
var errList []string
for _, node := range nodeList {
if node.info.ContrailMulticloudGWNodeBackRefs != nil {
for _, mcGWNodeBackRef := range node.info.ContrailMulticloudGWNodeBackRefs {
_, err := client.DeleteContrailMulticloudGWNode(ctx,
&services.DeleteContrailMulticloudGWNodeRequest{
ID: mcGWNodeBackRef.UUID,
},
)
if err != nil {
errList = append(errList, fmt.Sprintf(
"failed deleting ContrailMulticloudGWNode %s err_msg: %s",
mcGWNodeBackRef.UUID, err))
}
}
}
}
return errList
}
func deleteSGObjects(ctx context.Context,
client *client.HTTP, sgList []*sgData) []string {
var errList []string
// Delete CloudSecurityGroup related dependencies and CloudSecurityGroup itself
for _, sg := range sgList {
for _, sgRule := range sg.info.CloudSecurityGroupRules {
_, err := client.DeleteCloudSecurityGroupRule(ctx,
&services.DeleteCloudSecurityGroupRuleRequest{
ID: sgRule.UUID,
},
)
if err != nil {
errList = append(errList, fmt.Sprintf(
"failed deleting CloudSecurityGroupRule %s err_msg: %s",
sgRule.UUID, err))
}
}
_, err := client.DeleteCloudSecurityGroup(ctx,
&services.DeleteCloudSecurityGroupRequest{
ID: sg.info.UUID,
},
)
if err != nil {
errList = append(errList, fmt.Sprintf(
"failed deleting CloudSecurityGroup %s err_msg: %s",
sg.info.UUID, err))
}
}
return errList
}
func deletePvtSubnetObjects(ctx context.Context,
client *client.HTTP, subnetList []*subnetData) []string {
var errList []string
// Delete CloudPrivateSubnet related dependencies and CloudPrivateSubnet itself
for _, pvtsubnet := range subnetList {
_, err := client.DeleteCloudPrivateSubnet(ctx,
&services.DeleteCloudPrivateSubnetRequest{
ID: pvtsubnet.info.UUID,
},
)
if err != nil {
errList = append(errList, fmt.Sprintf(
"failed deleting CloudPrivateSubnet %s err_msg: %s",
pvtsubnet.info.UUID, err))
}
}
return errList
}
func deleteCloudProviderAndDeps(ctx context.Context,
client *client.HTTP, providerList []*providerData) []string {
var errList []string
// Delete Provider dependencies and iteslf
for _, provider := range providerList {
for _, region := range provider.regions {
for _, vc := range region.virtualClouds {
retErrList := deleteSGObjects(ctx, client, vc.sgs)
if retErrList != nil {
errList = append(errList, retErrList...)
}
retErrList = deletePvtSubnetObjects(ctx, client, vc.subnets)
if retErrList != nil {
errList = append(errList, retErrList...)
}
_, err := client.DeleteVirtualCloud(ctx,
&services.DeleteVirtualCloudRequest{
ID: vc.info.UUID,
},
)
if err != nil {
errList = append(errList, fmt.Sprintf(
"failed deleting VirtualCloud %s err_msg: %s",
vc.info.UUID, err))
}
}
_, err := client.DeleteCloudRegion(ctx,
&services.DeleteCloudRegionRequest{
ID: region.info.UUID,
},
)
if err != nil {
errList = append(errList, fmt.Sprintf(
"failed deleting CloudRegion %s err_msg: %s",
region.info.UUID, err))
}
}
_, err := client.DeleteCloudProvider(ctx,
&services.DeleteCloudProviderRequest{
ID: provider.info.UUID,
},
)
if err != nil {
errList = append(errList, fmt.Sprintf(
"failed deleting CloudProvider %s err_msg: %s",
provider.info.UUID, err))
}
}
return errList
}
func deleteCloudUsers(ctx context.Context,
client *client.HTTP, userList []*models.CloudUser) []string {
var errList []string
// Delete user & its dependencies
for _, u := range userList {
_, err := client.DeleteCloudUser(ctx,
&services.DeleteCloudUserRequest{
ID: u.UUID,
},
)
if err != nil {
errList = append(errList, err.Error())
}
}
return errList
}
func deleteCredentialAndDeps(ctx context.Context,
client *client.HTTP, credList []*models.Credential) []string {
var errList []string
// Delete credential & its dependencies
for _, cred := range credList {
_, err := client.DeleteCredential(ctx,
&services.DeleteCredentialRequest{
ID: cred.UUID,
},
)
if err != nil {
errList = append(errList, err.Error())
}
for _, kp := range cred.KeypairRefs {
_, err := client.DeleteKeypair(ctx,
&services.DeleteKeypairRequest{
ID: kp.UUID,
},
)
if err != nil {
errList = append(errList, err.Error())
}
}
}
return errList
}
func genKeyPair(bits int) ([]byte, []byte, error) {
// creating private key
pvtKey, err := rsa.GenerateKey(rand.Reader, bits)
if err != nil {
return nil, nil, err
}
// encoding private key with PEM format
pvtKeyPEM := &pem.Block{
Type: "RSA PRIVATE KEY",
Bytes: x509.MarshalPKCS1PrivateKey(pvtKey),
}
var encodedPvtKey bytes.Buffer
if err = pem.Encode(&encodedPvtKey, pvtKeyPEM); err != nil {
return nil, nil, err
}
// creating public key
pubKey, err := ssh.NewPublicKey(&pvtKey.PublicKey)
if err != nil {
return nil, nil, err
}
pub := ssh.MarshalAuthorizedKey(pubKey)
return pub, encodedPvtKey.Bytes(), nil
}
func tfStateOutputExists(cloudID string) bool {
tfState, err := readStateFile(GetTFStateFile(cloudID))
if err != nil {
return false
}
mState := tfState.RootModule()
if len(mState.Outputs) == 0 && len(mState.Resources) == 0 {
return false
}
return true
}
func waitForClusterStatusToBeUpdated(ctx context.Context, log *logrus.Entry,
httpClient *client.HTTP, clusterUUID string) error {
return retry.Do(func() (retry bool, err error) {
clusterResp, err := httpClient.GetContrailCluster(ctx,
&services.GetContrailClusterRequest{
ID: clusterUUID,
},
)
if err != nil {
return false, err
}
if clusterResp.ContrailCluster.ProvisioningAction == "DELETE_CLOUD" {
switch clusterResp.ContrailCluster.ProvisioningState {
case StatusCreateProgress:
return true, fmt.Errorf("waiting for create cluster %s to complete",
clusterUUID)
case StatusUpdateProgress:
return true, fmt.Errorf("waiting for update cluster %s to complete",
clusterUUID)
case StatusNoState:
return true, fmt.Errorf("waiting for cluster %s to complete processing",
clusterUUID)
case StatusCreated:
return false, nil
case StatusUpdated:
return false, nil
case StatusCreateFailed:
return false, fmt.Errorf("cluster %s status has failed in creating",
clusterUUID)
case StatusUpdateFailed:
return false, fmt.Errorf("cluster %s status has failed in updating",
clusterUUID)
}
return false, fmt.Errorf("unknown cluster status %s for cluster %s",
clusterResp.ContrailCluster.ProvisioningState, clusterUUID)
}
return false, fmt.Errorf("contrail-cluster %s does not have provisioning_action set to DELETE_CLOUD",
clusterUUID)
}, retry.WithLog(log.Logger),
retry.WithInterval(statusRetryInterval))
}