private async Task <string> GetAccessKeyAsync(CancellationToken token)
{
var accessToken = await Curl.GetAsync <AccessToken>(this.options.ArmMsiUri, new Dictionary <string, string>() { { "Metadata", "true" } }, token);
this.logger.Information("Got access token expires in {0}, expires on {1}, not before {2}, now {3}, resource {4}, token type {5}",
accessToken.expires_in, accessToken.expires_on, accessToken.not_before, (DateTimeOffset.Now - new DateTimeOffset(1970, 1, 1, 0, 0, 0, TimeSpan.FromSeconds(0))).TotalSeconds,
accessToken.resource, accessToken.token_type);
return(accessToken.access_token);
}
private async Task <StorageConfiguration> GetStorageConfigAsync(string accessToken, CancellationToken token)
{
// 1. Tags
// 1.1 Node tags
// 1.2 Resource group tags
// 2. Config
// 3. Node Metadata Inspections
var compute = await Curl.GetAsync <Compute>(this.options.ArmComputeMetadataUri, new Dictionary <string, string>() { { "Metadata", "true" } }, token);
this.logger.Information("queried metadata.");
var config = this.GetConfigFromTags(compute.tags);
if (config == null)
{
this.logger.Information("Getting tags from resource group {0}, subid {1}", compute.resourceGroupName, compute.subscriptionId);
config = this.GetConfigFromTags((await Curl.GetAsync <ResourceGroupInfo>(
string.Format(this.options.ArmResourceGroupUri, compute.subscriptionId, compute.resourceGroupName),
new Dictionary <string, string>()
{
{ "Authorization", $"Bearer {accessToken}" }
},
token)).tags?.StorageConfiguration, true);
}
if (config == null)
{
this.logger.Information("Couldn't get config from tags, getting from config file");
if (this.options.Storage == null)
{
this.logger.Information("Couldn't get config from config file, returning null");
return(null);
}
config = this.options.Storage.Clone();
}
this.logger.Information("Config Info From config file: SubscriptionId {0}, resource group {1}", config.SubscriptionId, config.ResourceGroup);
config.SubscriptionId = config.SubscriptionId ?? compute.subscriptionId;
config.ResourceGroup = config.ResourceGroup ?? compute.resourceGroupName;
this.logger.Information("Config Info Combined with metadata: SubscriptionId {0}, resource group {1}", config.SubscriptionId, config.ResourceGroup);
return(config);
}
public async Task <StorageConfiguration> GetStorageConfigAsync(CancellationToken token)
{
// get token
this.logger.Information("Getting access token");
var accessToken = await this.GetAccessKeyAsync(token);
// resolve config
this.logger.Information("Getting storage config");
var config = await this.GetStorageConfigAsync(accessToken, token);
// get keys
if (config == null)
{
return(null);
}
this.logger.Information("Getting storage key");
var requestUri = this.GetListStorageKeyUri(config);
var keys = await Curl.PostAsync <StorageKeys, object>(requestUri, new Dictionary <string, string>() { { "Authorization", $"Bearer {accessToken}" } }, null, token);
var key = keys.keys.FirstOrDefault(k => config.KeyName == null || string.Equals(k.keyName, config.KeyName, StringComparison.OrdinalIgnoreCase));
config.KeyValue = key?.value;
return(config);
}
