mirror of https://github.com/hashicorp/consul
61 lines
2.1 KiB
Go
61 lines
2.1 KiB
Go
package agent
|
|
|
|
import (
|
|
"fmt"
|
|
"log"
|
|
|
|
"github.com/Azure/azure-sdk-for-go/arm/network"
|
|
"github.com/Azure/go-autorest/autorest"
|
|
"github.com/Azure/go-autorest/autorest/azure"
|
|
)
|
|
|
|
// discoverAzureHosts searches an Azure Subscription, returning a list of instance ips
|
|
// where AzureTag_Name = AzureTag_Value
|
|
func (c *Config) discoverAzureHosts(logger *log.Logger) ([]string, error) {
|
|
var servers []string
|
|
// Only works for the Azure PublicCLoud for now; no ability to test other Environment
|
|
oauthConfig, err := azure.PublicCloud.OAuthConfigForTenant(c.RetryJoinAzure.TenantID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
// Get the ServicePrincipalToken for use searching the NetworkInterfaces
|
|
sbt, tokerr := azure.NewServicePrincipalToken(*oauthConfig,
|
|
c.RetryJoinAzure.ClientID,
|
|
c.RetryJoinAzure.SecretAccessKey,
|
|
azure.PublicCloud.ResourceManagerEndpoint,
|
|
)
|
|
if tokerr != nil {
|
|
return nil, tokerr
|
|
}
|
|
// Setup the client using autorest; followed the structure from Terraform
|
|
vmnet := network.NewInterfacesClient(c.RetryJoinAzure.SubscriptionID)
|
|
vmnet.Client.UserAgent = fmt.Sprint("Hashicorp-Consul")
|
|
vmnet.Authorizer = sbt
|
|
vmnet.Sender = autorest.CreateSender(autorest.WithLogging(logger))
|
|
// Get all Network interfaces across ResourceGroups unless there is a compelling reason to restrict
|
|
netres, neterr := vmnet.ListAll()
|
|
if neterr != nil {
|
|
return nil, neterr
|
|
}
|
|
// For now, ignore Primary interfaces, choose any PrivateIPAddress with the matching tags
|
|
for _, oneint := range *netres.Value {
|
|
// Make it a little more robust just in case there is actually no Tags
|
|
if oneint.Tags != nil {
|
|
tv := (*oneint.Tags)[c.RetryJoinAzure.TagName]
|
|
if tv != nil && *tv == c.RetryJoinAzure.TagValue {
|
|
// Make it a little more robust just in case IPConfigurations nil
|
|
if oneint.IPConfigurations != nil {
|
|
for _, onecfg := range *oneint.IPConfigurations {
|
|
// fmt.Println("Internal FQDN: ", *onecfg.Name, " IP: ", *onecfg.PrivateIPAddress)
|
|
// Only get the address if there is private IP address
|
|
if onecfg.PrivateIPAddress != nil {
|
|
servers = append(servers, *onecfg.PrivateIPAddress)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return servers, nil
|
|
}
|