public void RegisterFromIMDS()
{
// if IMDS can't be reached, this test takes >15 seconds
Region regionFromIMDS = Region.RegisterRegionFromInstanceMetadataService();
RegionSchema regionSchemaFromIMDS = Region.GetRegionSchemaFromInstanceMetaDataService();
if (regionFromIMDS != null && regionSchemaFromIMDS != null)
{
Assert.Equal(regionFromIMDS.RegionId, regionSchemaFromIMDS.regionIdentifier.ToLower());
Assert.Equal(regionFromIMDS.RegionCode, regionSchemaFromIMDS.regionKey.ToLower());
Assert.Equal(regionFromIMDS.Realm.RealmId, regionSchemaFromIMDS.realmKey);
Assert.Equal(regionFromIMDS.Realm.SecondLevelDomain, regionSchemaFromIMDS.realmDomainComponent);
}
else
{
Assert.True(regionFromIMDS == null && regionSchemaFromIMDS == null);
}
}
public static RegionSchema GetRegionSchemaFromInstanceMetaDataService()
{
if (HasReceivedInstanceMetadataServiceResponse)
{
return(RegionSchemaFromIMDS);
}
var client = new HttpClient();
try
{
logger.Info($"Requesting region metadata blob from IMDS at {METADATA_SERVICE_BASE_URL}{METADATA_SERVICE_API_URL}");
client.BaseAddress = new Uri(METADATA_SERVICE_BASE_URL);
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", "Oracle");
client.DefaultRequestHeaders.UserAgent.ParseAdd(HttpUtils.BuildUserAgent(""));
var response = client.GetAsync(METADATA_SERVICE_API_URL).Result;
if (response.IsSuccessStatusCode)
{
var regionMetadata = response.Content.ReadAsStringAsync().Result;
logger.Debug($"Response from IMDS: {regionMetadata}");
if (!String.IsNullOrEmpty(regionMetadata))
{
RegionSchemaFromIMDS = JsonConvert.DeserializeObject <RegionSchema>(regionMetadata);
logger.Debug($"Region read from IMDS Id:{RegionSchemaFromIMDS.regionIdentifier} Realm:{RegionSchemaFromIMDS.realmKey} Domain:{RegionSchemaFromIMDS.realmDomainComponent} Key:{RegionSchemaFromIMDS.regionKey}");
}
}
else
{
logger.Info($"Request to Instance Metadata Service failed: {response.StatusCode} ({response.ReasonPhrase})");
}
}
catch (Exception e)
{
logger.Warn($"Region Schema read from Instance Metadata Service due to expception: {e}");
}
finally
{
client.Dispose();
}
return(RegionSchemaFromIMDS);
}
