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Support Azure Sovereign Environments with endpoint_url option (#5453)

This commit is contained in:
Andrew Ernst 2019-02-20 15:16:23 -08:00 committed by Daniel Nelson
parent 03776088f1
commit 6add84eb25
2 changed files with 23 additions and 1 deletions
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5
plugins/outputs/azure_monitor/README.md
View File

@ -40,6 +40,11 @@ written as a dimension on each Azure Monitor metric.
## The Azure Resource ID against which metric will be logged, e.g.
## ex: resource_id = "/subscriptions/<subscription_id>/resourceGroups/<resource_group>/providers/Microsoft.Compute/virtualMachines/<vm_name>"
# resource_id = ""
## Optionally, if in Azure US Government, China, or other sovereign
## cloud environment, set the appropriate REST endpoint for receiving
## metrics. (Note: region may be unused in this context)
# endpoint_url = "https://monitoring.core.usgovcloudapi.net"
```
### Setup

19
plugins/outputs/azure_monitor/azure_monitor.go
View File

@ -31,6 +31,7 @@ type AzureMonitor struct {
StringsAsDimensions bool `toml:"strings_as_dimensions"`
Region string
ResourceID string `toml:"resource_id"`
EndpointUrl string `toml:"endpoint_url"`
url string
auth autorest.Authorizer
@ -65,6 +66,7 @@ const (
vmInstanceMetadataURL = "http://169.254.169.254/metadata/instance?api-version=2017-12-01"
resourceIDTemplate = "/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Compute/virtualMachines/%s"
urlTemplate = "https://%s.monitoring.azure.com%s/metrics"
urlOverrideTemplate = "%s%s/metrics"
maxRequestBodySize = 4000000
)
@ -91,6 +93,11 @@ var sampleConfig = `
## The Azure Resource ID against which metric will be logged, e.g.
## ex: resource_id = "/subscriptions/<subscription_id>/resourceGroups/<resource_group>/providers/Microsoft.Compute/virtualMachines/<vm_name>"
# resource_id = ""
## Optionally, if in Azure US Government, China or other sovereign
## cloud environment, set appropriate REST endpoint for receiving
## metrics. (Note: region may be unused in this context)
# endpoint_url = "https://monitoring.core.usgovcloudapi.net"
`
// Description provides a description of the plugin
@ -125,6 +132,8 @@ func (a *AzureMonitor) Connect() error {
var err error
var region string
var resourceID string
var endpointUrl string
if a.Region == "" || a.ResourceID == "" {
// Pull region and resource identifier
region, resourceID, err = vmInstanceMetadata(a.client)
@ -138,13 +147,21 @@ func (a *AzureMonitor) Connect() error {
if a.ResourceID != "" {
resourceID = a.ResourceID
}
if a.EndpointUrl != "" {
endpointUrl = a.EndpointUrl
}
if resourceID == "" {
return fmt.Errorf("no resource ID configured or available via VM instance metadata")
} else if region == "" {
return fmt.Errorf("no region configured or available via VM instance metadata")
}
a.url = fmt.Sprintf(urlTemplate, region, resourceID)
if endpointUrl == "" {
a.url = fmt.Sprintf(urlTemplate, region, resourceID)
} else {
a.url = fmt.Sprintf(urlOverrideTemplate, endpointUrl, resourceID)
}
log.Printf("D! Writing to Azure Monitor URL: %s", a.url)