private async Task <KubernetesOutline> LoadKubernetesOutline(string path)
{
return(await Task.Run <KubernetesOutline>(() =>
{
return KubernetesOutline.FromFile(path);
}));
}
private async Task GenerateKubernetes(string path, ProvisioningData provisioningData,
IoTHubConnectionStrings iotHubConnectionStrings)
{
var outline = new KubernetesOutline();
await GenerateKubernetesOutline(outline, provisioningData, iotHubConnectionStrings);
await SaveKubernetesOutline(path, outline);
}
private async Task ProcessKubernetesOutline(KubernetesOutline outline)
{
await Task.Run(() =>
{
foreach (var deployment in outline.Deployments)
{
try
{
if (deployment.spec.template == null)
{
continue;
}
foreach (var container in deployment.spec.template.spec.containers)
{
var containerImage = FormatContainerImageName(container.image);
container.image = containerImage;
if (container.env != null)
{
var dtApiSetting = container.env.FirstOrDefault(s => s.name == DigitalTwinsManagementApiSetting);
if (dtApiSetting != null)
{
dtApiSetting.value = DigitalTwinsApiEndpoint;
}
var iotSetting = container.env.FirstOrDefault(s => s.name == IoTHubConnectionStringSetting);
if (iotSetting != null)
{
iotSetting.value = IoTHubConnectionString;
}
var dbSetting = container.env.FirstOrDefault(s => s.name == DatabaseSetting);
if (dbSetting != null)
{
dbSetting.value = DatabaseConnectionString;
}
var mongoSetting = container.env.FirstOrDefault(s => s.name == MongoDBSetting);
if (mongoSetting != null)
{
mongoSetting.value = DatabaseConnectionString;
}
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
});
}
private async Task SaveKubernetesOutline(string path, KubernetesOutline outline)
{
string output = string.Empty;
var yamlSerializer = new SerializerBuilder().Build();
foreach (var deployment in outline.Deployments)
{
output += yamlSerializer.Serialize(deployment);
output += "---\n";
}
await File.WriteAllTextAsync(path, output);
}
private async Task ProcessKubernetesProvisioningData(KubernetesOutline outline, ProvisioningData provisioningData)
{
await Task.Run(async() =>
{
string iotFile = await File.ReadAllTextAsync(IoTConnectionFile);
Dictionary <string, Dictionary <string, string> > iotInfo = JsonConvert.DeserializeObject <Dictionary <string, Dictionary <string, string> > >(iotFile);
foreach (var deployment in outline.Deployments)
{
try
{
var metadata = deployment.metadata;
if (metadata != null)
{
var qualifiers = metadata.name.Split('.');
var room = qualifiers.Last().ToLower();
if (provisioningData.ContainsKey(room))
{
foreach (var container in deployment.spec.template.spec.containers)
{
var apiUrlSetting = container.env.FirstOrDefault(e => e.name == DigitalTwinsManagementApiSetting);
if (apiUrlSetting != null)
{
apiUrlSetting.value = DigitalTwinsApiEndpoint;
}
var messageIntervalSetting = container.env.FirstOrDefault(e => e.name == MessageIntervalSetting);
if (messageIntervalSetting != null)
{
messageIntervalSetting.value = MessageInterval > 0 ? MessageInterval.ToString() : MessageIntervalDefault.ToString();
}
var containerImage = FormatContainerImageName(container.image);
container.image = containerImage;
var typeSetting = container.env.FirstOrDefault(s => s.name == SensorTypeSetting);
if (typeSetting != null)
{
if (iotInfo.ContainsKey(room))
{
Dictionary <string, string> iotConnectionStrings = iotInfo[room];
if (iotConnectionStrings.ContainsKey(typeSetting.value.ToLower()))
{
var iotSetting = container.env.FirstOrDefault(s => s.name == IoTHubConnectionStringSetting);
if (iotSetting != null)
{
iotSetting.value = iotConnectionStrings[typeSetting.value.ToLower()];
}
}
}
DeviceDescription device = provisioningData[room].FirstOrDefault(d => d.sensors.Any(s => s.dataType.ToLower() == typeSetting.value.ToLower()));
if (device != null)
{
var sasTokenSetting = container.env.FirstOrDefault(e => e.name == SasTokenSetting);
if (sasTokenSetting != null)
{
sasTokenSetting.value = device.SasToken;
}
var hardwareIdSetting = container.env.FirstOrDefault(e => e.name == HardwareIdSetting);
if (hardwareIdSetting != null)
{
hardwareIdSetting.value = device.hardwareId;
}
}
}
}
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
});
}
private async Task GenerateKubernetesOutline(KubernetesOutline outline, ProvisioningData provisioningData,
IoTHubConnectionStrings iotHubConnectionStrings)
{
await Task.Run(() =>
{
int deploymentCount = 0;
foreach (KeyValuePair <string, List <DeviceDescription> > provisioningEntry in provisioningData)
{
iotHubConnectionStrings.TryGetValue(provisioningEntry.Key,
out string iotHubConnectionString);
foreach (DeviceDescription device in provisioningEntry.Value)
{
deploymentCount++;
string deviceType = device.name.ToLower();
string serviceKey = $"sh.d.{deviceType}.{provisioningEntry.Key.ToLower()}";
var container = new KubernetesContainer
{
name = $"device-{deviceType}",
image = GetContainerImageName(deviceType),
imagePullPolicy = "Always",
env = new List <KubernetesEnvironmentSetting>()
};
container.env.Add(new KubernetesEnvironmentSetting {
name = HardwareIdSetting, value = device.hardwareId
});
container.env.Add(new KubernetesEnvironmentSetting {
name = IoTHubConnectionStringSetting, value = iotHubConnectionString
});
container.env.Add(new KubernetesEnvironmentSetting {
name = DigitalTwinsManagementApiSetting, value = DigitalTwinsApiEndpoint
});
container.env.Add(new KubernetesEnvironmentSetting
{
name = MessageIntervalSetting,
value = MessageInterval > 0 ? MessageInterval.ToString() : MessageIntervalDefault.ToString()
});
container.env.Add(new KubernetesEnvironmentSetting {
name = SasTokenSetting, value = device.SasToken
});
container.env.Add(new KubernetesEnvironmentSetting
{
name = StartupDelayInSecondsSetting,
value = Math.Floor(deploymentCount / DigitalTwinsApiCallLimiter).ToString()
});
var template = new KubernetesTemplate
{
metadata = new KubernetesMetadata {
labels = new KubernetesLabels {
app = serviceKey, component = serviceKey
}
},
spec = new KubernetesSpec {
containers = new List <KubernetesContainer> {
container
}
}
};
var spec = new KubernetesSpec
{
template = template
};
var deployment = new KubernetesDeployment
{
apiVersion = "extensions/v1beta1",
kind = "Deployment",
metadata = new KubernetesMetadata {
name = serviceKey
},
spec = spec
};
outline.Deployments.Add(deployment);
}
}
});
}
private async Task ProcessExistingKubernetesOutline(KubernetesOutline outline, ProvisioningData provisioningData,
IoTHubConnectionStrings iotHubConnectionStrings)
{
await Task.Run(() =>
{
foreach (var deployment in outline.Deployments)
{
try
{
var metadata = deployment.metadata;
if (metadata != null)
{
var qualifiers = metadata.name.Split('.');
var room = qualifiers.Last().ToLower();
if (provisioningData.ContainsKey(room))
{
foreach (var container in deployment.spec.template.spec.containers)
{
var apiUrlSetting = container.env.FirstOrDefault(e => e.name == DigitalTwinsManagementApiSetting);
if (apiUrlSetting != null)
{
apiUrlSetting.value = DigitalTwinsApiEndpoint;
}
var messageIntervalSetting = container.env.FirstOrDefault(e => e.name == MessageIntervalSetting);
if (messageIntervalSetting != null)
{
messageIntervalSetting.value = MessageInterval > 0 ? MessageInterval.ToString() : MessageIntervalDefault.ToString();
}
var containerImage = FormatContainerImageName(container.image);
container.image = containerImage;
if (iotHubConnectionStrings.ContainsKey(room))
{
string connectionString = iotHubConnectionStrings[room];
var iotSetting = container.env.FirstOrDefault(s => s.name == IoTHubConnectionStringSetting);
if (iotSetting != null)
{
iotSetting.value = connectionString;
}
}
DeviceDescription device = provisioningData[room].FirstOrDefault();
if (device != null)
{
var sasTokenSetting = container.env.FirstOrDefault(e => e.name == SasTokenSetting);
if (sasTokenSetting != null)
{
sasTokenSetting.value = device.SasToken;
}
var hardwareIdSetting = container.env.FirstOrDefault(e => e.name == HardwareIdSetting);
if (hardwareIdSetting != null)
{
hardwareIdSetting.value = device.hardwareId;
}
}
}
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
});
}
