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Adding support for multiple azure environments (#4569)

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Signed-off-by: Tariq Ibrahim <tariq.ibrahim@microsoft.com>
This commit is contained in:
Tariq Ibrahim 2018-09-04 08:55:40 -07:00 committed by Tobias Schmidt
parent 40517dc4b3
commit f708fd5c99
4 changed files with 30 additions and 14 deletions
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1
config/config_test.go
View file

@ -441,6 +441,7 @@ var expectedConf = &Config{
ServiceDiscoveryConfig: sd_config.ServiceDiscoveryConfig{
AzureSDConfigs: []*azure.SDConfig{
{
Environment: "AzurePublicCloud",
SubscriptionID: "11AAAA11-A11A-111A-A111-1111A1111A11",
TenantID: "BBBB222B-B2B2-2B22-B222-2BB2222BB2B2",
ClientID: "333333CC-3C33-3333-CCC3-33C3CCCCC33C",

3
config/testdata/conf.good.yml vendored
View file

@ -195,7 +195,8 @@ scrape_configs:
- job_name: service-azure
azure_sd_configs:
- subscription_id: 11AAAA11-A11A-111A-A111-1111A1111A11
- environment: AzurePublicCloud
subscription_id: 11AAAA11-A11A-111A-A111-1111A1111A11
tenant_id: BBBB222B-B2B2-2B22-B222-2BB2222BB2B2
client_id: 333333CC-3C33-3333-CCC3-33C3CCCCC33C
client_secret: mysecret

38
discovery/azure/azure.go
View file

@ -65,11 +65,13 @@ var (
DefaultSDConfig = SDConfig{
Port: 80,
RefreshInterval: model.Duration(5 * time.Minute),
Environment: azure.PublicCloud.Name,
}
)
// SDConfig is the configuration for Azure based service discovery.
type SDConfig struct {
Environment string `yaml:"environment,omitempty"`
Port int `yaml:"port"`
SubscriptionID string `yaml:"subscription_id"`
TenantID string `yaml:"tenant_id,omitempty"`
@ -159,27 +161,37 @@ type azureClient struct {
// createAzureClient is a helper function for creating an Azure compute client to ARM.
func createAzureClient(cfg SDConfig) (azureClient, error) {
env, err := azure.EnvironmentFromName(cfg.Environment)
if err != nil {
return azureClient{}, err
}
activeDirectoryEndpoint := env.ActiveDirectoryEndpoint
resourceManagerEndpoint := env.ResourceManagerEndpoint
var c azureClient
oauthConfig, err := adal.NewOAuthConfig(azure.PublicCloud.ActiveDirectoryEndpoint, cfg.TenantID)
oauthConfig, err := adal.NewOAuthConfig(activeDirectoryEndpoint, cfg.TenantID)
if err != nil {
return azureClient{}, err
}
spt, err := adal.NewServicePrincipalToken(*oauthConfig, cfg.ClientID, string(cfg.ClientSecret), azure.PublicCloud.ResourceManagerEndpoint)
spt, err := adal.NewServicePrincipalToken(*oauthConfig, cfg.ClientID, string(cfg.ClientSecret), resourceManagerEndpoint)
if err != nil {
return azureClient{}, err
}
c.vm = compute.NewVirtualMachinesClient(cfg.SubscriptionID)
c.vm.Authorizer = autorest.NewBearerAuthorizer(spt)
bearerAuthorizer := autorest.NewBearerAuthorizer(spt)
c.nic = network.NewInterfacesClient(cfg.SubscriptionID)
c.nic.Authorizer = autorest.NewBearerAuthorizer(spt)
c.vm = compute.NewVirtualMachinesClientWithBaseURI(resourceManagerEndpoint, cfg.SubscriptionID)
c.vm.Authorizer = bearerAuthorizer
c.vmss = compute.NewVirtualMachineScaleSetsClient(cfg.SubscriptionID)
c.vmss.Authorizer = autorest.NewBearerAuthorizer(spt)
c.nic = network.NewInterfacesClientWithBaseURI(resourceManagerEndpoint, cfg.SubscriptionID)
c.nic.Authorizer = bearerAuthorizer
c.vmssvm = compute.NewVirtualMachineScaleSetVMsClient(cfg.SubscriptionID)
c.vmssvm.Authorizer = autorest.NewBearerAuthorizer(spt)
c.vmss = compute.NewVirtualMachineScaleSetsClientWithBaseURI(resourceManagerEndpoint, cfg.SubscriptionID)
c.vmss.Authorizer = bearerAuthorizer
c.vmssvm = compute.NewVirtualMachineScaleSetVMsClientWithBaseURI(resourceManagerEndpoint, cfg.SubscriptionID)
c.vmssvm.Authorizer = bearerAuthorizer
return c, nil
}
@ -347,7 +359,7 @@ func (d *Discovery) refresh() (tg *targetgroup.Group, err error) {
}
func (client *azureClient) getVMs() ([]virtualMachine, error) {
vms := []virtualMachine{}
var vms []virtualMachine
result, err := client.vm.ListAll()
if err != nil {
return vms, fmt.Errorf("could not list virtual machines: %s", err)
@ -373,7 +385,7 @@ func (client *azureClient) getVMs() ([]virtualMachine, error) {
}
func (client *azureClient) getScaleSets() ([]compute.VirtualMachineScaleSet, error) {
scaleSets := []compute.VirtualMachineScaleSet{}
var scaleSets []compute.VirtualMachineScaleSet
result, err := client.vmss.ListAll()
if err != nil {
return scaleSets, fmt.Errorf("could not list virtual machine scale sets: %s", err)
@ -392,7 +404,7 @@ func (client *azureClient) getScaleSets() ([]compute.VirtualMachineScaleSet, err
}
func (client *azureClient) getScaleSetVMs(scaleSet compute.VirtualMachineScaleSet) ([]virtualMachine, error) {
vms := []virtualMachine{}
var vms []virtualMachine
//TODO do we really need to fetch the resourcegroup this way?
r, err := newAzureResourceFromID(*scaleSet.ID, nil)

2
docs/configuration/configuration.md
View file

@ -272,6 +272,8 @@ See below for the configuration options for Azure discovery:
```yaml
# The information to access the Azure API.
# The Azure environment.
[ environment: <string> | default = AzurePublicCloud ]
# The subscription ID.
subscription_id: <string>
# The tenant ID.