align files to .editorconfig (#203)
* align files to .editorconfig * fix space cause build failed
This commit is contained in:
committed by
Brendan Burns
parent
09a8c8773a
commit
9372e3291f
@@ -1,402 +1,402 @@
|
||||
using System;
|
||||
using System.IO;
|
||||
using System.Linq;
|
||||
using System.Runtime.InteropServices;
|
||||
using System.Security.Cryptography.X509Certificates;
|
||||
using System.Threading.Tasks;
|
||||
using k8s.Exceptions;
|
||||
using k8s.KubeConfigModels;
|
||||
|
||||
namespace k8s
|
||||
{
|
||||
public partial class KubernetesClientConfiguration
|
||||
{
|
||||
/// <summary>
|
||||
/// kubeconfig Default Location
|
||||
/// </summary>
|
||||
private static readonly string KubeConfigDefaultLocation =
|
||||
RuntimeInformation.IsOSPlatform(OSPlatform.Windows)
|
||||
? Path.Combine(Environment.GetEnvironmentVariable("USERPROFILE"), @".kube\config")
|
||||
: Path.Combine(Environment.GetEnvironmentVariable("HOME"), ".kube/config");
|
||||
|
||||
/// <summary>
|
||||
/// Gets CurrentContext
|
||||
/// </summary>
|
||||
public string CurrentContext { get; private set; }
|
||||
|
||||
/// <summary>
|
||||
/// Initializes a new instance of the <see cref="KubernetesClientConfiguration" /> from config file
|
||||
/// </summary>
|
||||
/// <param name="masterUrl">kube api server endpoint</param>
|
||||
/// <param name="kubeconfigPath">Explicit file path to kubeconfig. Set to null to use the default file path</param>
|
||||
/// <param name="useRelativePaths">When <see langword="true"/>, the paths in the kubeconfig file will be considered to be relative to the directory in which the kubeconfig
|
||||
/// file is located. When <see langword="false"/>, the paths will be considered to be relative to the current working directory.</param>
|
||||
public static KubernetesClientConfiguration BuildConfigFromConfigFile(string kubeconfigPath = null,
|
||||
string currentContext = null, string masterUrl = null, bool useRelativePaths = true)
|
||||
{
|
||||
return BuildConfigFromConfigFile(new FileInfo(kubeconfigPath ?? KubeConfigDefaultLocation), null,
|
||||
masterUrl, useRelativePaths);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// </summary>
|
||||
/// <param name="kubeconfig">Fileinfo of the kubeconfig, cannot be null</param>
|
||||
/// <param name="currentContext">override the context in config file, set null if do not want to override</param>
|
||||
/// <param name="masterUrl">override the kube api server endpoint, set null if do not want to override</param>
|
||||
/// <param name="useRelativePaths">When <see langword="true"/>, the paths in the kubeconfig file will be considered to be relative to the directory in which the kubeconfig
|
||||
/// file is located. When <see langword="false"/>, the paths will be considered to be relative to the current working directory.</param>
|
||||
public static KubernetesClientConfiguration BuildConfigFromConfigFile(FileInfo kubeconfig,
|
||||
string currentContext = null, string masterUrl = null, bool useRelativePaths = true)
|
||||
{
|
||||
if (kubeconfig == null)
|
||||
{
|
||||
throw new NullReferenceException(nameof(kubeconfig));
|
||||
}
|
||||
|
||||
var k8SConfig = LoadKubeConfig(kubeconfig, useRelativePaths);
|
||||
var k8SConfiguration = GetKubernetesClientConfiguration(currentContext, masterUrl, k8SConfig);
|
||||
|
||||
return k8SConfiguration;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// </summary>
|
||||
/// <param name="kubeconfig">Fileinfo of the kubeconfig, cannot be null, whitespaced or empty</param>
|
||||
/// <param name="currentContext">override the context in config file, set null if do not want to override</param>
|
||||
/// <param name="masterUrl">overrider kube api server endpoint, set null if do not want to override</param>
|
||||
public static KubernetesClientConfiguration BuildConfigFromConfigFile(Stream kubeconfig,
|
||||
string currentContext = null, string masterUrl = null)
|
||||
{
|
||||
if (kubeconfig == null)
|
||||
{
|
||||
throw new NullReferenceException(nameof(kubeconfig));
|
||||
}
|
||||
|
||||
if (!kubeconfig.CanSeek)
|
||||
{
|
||||
throw new Exception("Stream don't support seeking!");
|
||||
}
|
||||
|
||||
kubeconfig.Position = 0;
|
||||
|
||||
var k8SConfig = Yaml.LoadFromStreamAsync<K8SConfiguration>(kubeconfig).GetAwaiter().GetResult();
|
||||
var k8SConfiguration = GetKubernetesClientConfiguration(currentContext, masterUrl, k8SConfig);
|
||||
|
||||
return k8SConfiguration;
|
||||
}
|
||||
|
||||
private static KubernetesClientConfiguration GetKubernetesClientConfiguration(string currentContext, string masterUrl, K8SConfiguration k8SConfig)
|
||||
{
|
||||
var k8SConfiguration = new KubernetesClientConfiguration();
|
||||
|
||||
currentContext = currentContext ?? k8SConfig.CurrentContext;
|
||||
// only init context if context if set
|
||||
if (currentContext != null)
|
||||
{
|
||||
k8SConfiguration.InitializeContext(k8SConfig, currentContext);
|
||||
}
|
||||
if (!string.IsNullOrWhiteSpace(masterUrl))
|
||||
{
|
||||
k8SConfiguration.Host = masterUrl;
|
||||
}
|
||||
|
||||
if (string.IsNullOrWhiteSpace(k8SConfiguration.Host))
|
||||
{
|
||||
throw new KubeConfigException("Cannot infer server host url either from context or masterUrl");
|
||||
}
|
||||
|
||||
return k8SConfiguration;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Validates and Intializes Client Configuration
|
||||
/// </summary>
|
||||
/// <param name="k8SConfig">Kubernetes Configuration</param>
|
||||
/// <param name="currentContext">Current Context</param>
|
||||
private void InitializeContext(K8SConfiguration k8SConfig, string currentContext)
|
||||
{
|
||||
// current context
|
||||
var activeContext =
|
||||
k8SConfig.Contexts.FirstOrDefault(
|
||||
c => c.Name.Equals(currentContext, StringComparison.OrdinalIgnoreCase));
|
||||
if (activeContext == null)
|
||||
{
|
||||
throw new KubeConfigException($"CurrentContext: {currentContext} not found in contexts in kubeconfig");
|
||||
}
|
||||
|
||||
CurrentContext = activeContext.Name;
|
||||
|
||||
// cluster
|
||||
SetClusterDetails(k8SConfig, activeContext);
|
||||
|
||||
// user
|
||||
SetUserDetails(k8SConfig, activeContext);
|
||||
|
||||
// namespace
|
||||
Namespace = activeContext.Namespace;
|
||||
}
|
||||
|
||||
private void SetClusterDetails(K8SConfiguration k8SConfig, Context activeContext)
|
||||
{
|
||||
var clusterDetails =
|
||||
k8SConfig.Clusters.FirstOrDefault(c => c.Name.Equals(activeContext.ContextDetails.Cluster,
|
||||
StringComparison.OrdinalIgnoreCase));
|
||||
|
||||
if (clusterDetails?.ClusterEndpoint == null)
|
||||
{
|
||||
throw new KubeConfigException($"Cluster not found for context {activeContext} in kubeconfig");
|
||||
}
|
||||
|
||||
if (string.IsNullOrWhiteSpace(clusterDetails.ClusterEndpoint.Server))
|
||||
{
|
||||
throw new KubeConfigException($"Server not found for current-context {activeContext} in kubeconfig");
|
||||
}
|
||||
Host = clusterDetails.ClusterEndpoint.Server;
|
||||
|
||||
SkipTlsVerify = clusterDetails.ClusterEndpoint.SkipTlsVerify;
|
||||
|
||||
try
|
||||
{
|
||||
var uri = new Uri(Host);
|
||||
if (uri.Scheme == "https")
|
||||
{
|
||||
// check certificate for https
|
||||
if (!clusterDetails.ClusterEndpoint.SkipTlsVerify &&
|
||||
string.IsNullOrWhiteSpace(clusterDetails.ClusterEndpoint.CertificateAuthorityData) &&
|
||||
string.IsNullOrWhiteSpace(clusterDetails.ClusterEndpoint.CertificateAuthority))
|
||||
{
|
||||
throw new KubeConfigException(
|
||||
$"neither certificate-authority-data nor certificate-authority not found for current-context :{activeContext} in kubeconfig");
|
||||
}
|
||||
|
||||
if (!string.IsNullOrEmpty(clusterDetails.ClusterEndpoint.CertificateAuthorityData))
|
||||
{
|
||||
var data = clusterDetails.ClusterEndpoint.CertificateAuthorityData;
|
||||
SslCaCert = new X509Certificate2(Convert.FromBase64String(data));
|
||||
}
|
||||
else if (!string.IsNullOrEmpty(clusterDetails.ClusterEndpoint.CertificateAuthority))
|
||||
{
|
||||
SslCaCert = new X509Certificate2(GetFullPath(k8SConfig, clusterDetails.ClusterEndpoint.CertificateAuthority));
|
||||
}
|
||||
}
|
||||
}
|
||||
catch (UriFormatException e)
|
||||
{
|
||||
throw new KubeConfigException("Bad Server host url", e);
|
||||
}
|
||||
}
|
||||
|
||||
private void SetUserDetails(K8SConfiguration k8SConfig, Context activeContext)
|
||||
{
|
||||
if (string.IsNullOrWhiteSpace(activeContext.ContextDetails.User))
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
var userDetails = k8SConfig.Users.FirstOrDefault(c => c.Name.Equals(activeContext.ContextDetails.User,
|
||||
StringComparison.OrdinalIgnoreCase));
|
||||
|
||||
if (userDetails == null)
|
||||
{
|
||||
throw new KubeConfigException("User not found for context {activeContext.Name} in kubeconfig");
|
||||
}
|
||||
|
||||
if (userDetails.UserCredentials == null)
|
||||
{
|
||||
throw new KubeConfigException($"User credentials not found for user: {userDetails.Name} in kubeconfig");
|
||||
}
|
||||
|
||||
var userCredentialsFound = false;
|
||||
|
||||
// Basic and bearer tokens are mutually exclusive
|
||||
if (!string.IsNullOrWhiteSpace(userDetails.UserCredentials.Token))
|
||||
{
|
||||
AccessToken = userDetails.UserCredentials.Token;
|
||||
userCredentialsFound = true;
|
||||
}
|
||||
else if (!string.IsNullOrWhiteSpace(userDetails.UserCredentials.UserName) &&
|
||||
!string.IsNullOrWhiteSpace(userDetails.UserCredentials.Password))
|
||||
{
|
||||
Username = userDetails.UserCredentials.UserName;
|
||||
Password = userDetails.UserCredentials.Password;
|
||||
userCredentialsFound = true;
|
||||
}
|
||||
|
||||
// Token and cert based auth can co-exist
|
||||
if (!string.IsNullOrWhiteSpace(userDetails.UserCredentials.ClientCertificateData) &&
|
||||
!string.IsNullOrWhiteSpace(userDetails.UserCredentials.ClientKeyData))
|
||||
{
|
||||
ClientCertificateData = userDetails.UserCredentials.ClientCertificateData;
|
||||
ClientCertificateKeyData = userDetails.UserCredentials.ClientKeyData;
|
||||
userCredentialsFound = true;
|
||||
}
|
||||
|
||||
if (!string.IsNullOrWhiteSpace(userDetails.UserCredentials.ClientCertificate) &&
|
||||
!string.IsNullOrWhiteSpace(userDetails.UserCredentials.ClientKey))
|
||||
{
|
||||
ClientCertificateFilePath = GetFullPath(k8SConfig, userDetails.UserCredentials.ClientCertificate);
|
||||
ClientKeyFilePath = GetFullPath(k8SConfig, userDetails.UserCredentials.ClientKey);
|
||||
userCredentialsFound = true;
|
||||
}
|
||||
|
||||
if (userDetails.UserCredentials.AuthProvider != null)
|
||||
{
|
||||
if (userDetails.UserCredentials.AuthProvider.Name == "azure" &&
|
||||
userDetails.UserCredentials.AuthProvider.Config != null &&
|
||||
userDetails.UserCredentials.AuthProvider.Config.ContainsKey("access-token"))
|
||||
{
|
||||
var config = userDetails.UserCredentials.AuthProvider.Config;
|
||||
if (config.ContainsKey("expires-on"))
|
||||
{
|
||||
var expiresOn = Int32.Parse(config["expires-on"]);
|
||||
DateTimeOffset expires;
|
||||
#if NET452
|
||||
var epoch = new DateTimeOffset(1970, 1, 1, 0, 0, 0, TimeSpan.Zero);
|
||||
expires = epoch.AddSeconds(expiresOn);
|
||||
#else
|
||||
expires = DateTimeOffset.FromUnixTimeSeconds(expiresOn);
|
||||
#endif
|
||||
|
||||
if (DateTimeOffset.Compare(expires, DateTimeOffset.Now) <= 0)
|
||||
{
|
||||
var tenantId = config["tenant-id"];
|
||||
var clientId = config["client-id"];
|
||||
var apiServerId = config["apiserver-id"];
|
||||
var refresh = config["refresh-token"];
|
||||
var newToken = RenewAzureToken(tenantId, clientId, apiServerId, refresh);
|
||||
config["access-token"] = newToken;
|
||||
}
|
||||
}
|
||||
AccessToken = config["access-token"];
|
||||
userCredentialsFound = true;
|
||||
}
|
||||
}
|
||||
|
||||
if (!userCredentialsFound)
|
||||
{
|
||||
throw new KubeConfigException(
|
||||
$"User: {userDetails.Name} does not have appropriate auth credentials in kubeconfig");
|
||||
}
|
||||
}
|
||||
|
||||
public static string RenewAzureToken(string tenantId, string clientId, string apiServerId, string refresh)
|
||||
{
|
||||
throw new KubeConfigException("Refresh not supported.");
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Loads entire Kube Config from default or explicit file path
|
||||
/// </summary>
|
||||
/// <param name="kubeconfigPath">Explicit file path to kubeconfig. Set to null to use the default file path</param>
|
||||
/// <param name="useRelativePaths">When <see langword="true"/>, the paths in the kubeconfig file will be considered to be relative to the directory in which the kubeconfig
|
||||
/// file is located. When <see langword="false"/>, the paths will be considered to be relative to the current working directory.</param>
|
||||
/// <returns>Instance of the <see cref="K8SConfiguration"/> class</returns>
|
||||
public static async Task<K8SConfiguration> LoadKubeConfigAsync(string kubeconfigPath = null, bool useRelativePaths = true)
|
||||
{
|
||||
var fileInfo = new FileInfo(kubeconfigPath ?? KubeConfigDefaultLocation);
|
||||
|
||||
return await LoadKubeConfigAsync(fileInfo, useRelativePaths);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Loads entire Kube Config from default or explicit file path
|
||||
/// </summary>
|
||||
/// <param name="kubeconfigPath">Explicit file path to kubeconfig. Set to null to use the default file path</param>
|
||||
/// <param name="useRelativePaths">When <see langword="true"/>, the paths in the kubeconfig file will be considered to be relative to the directory in which the kubeconfig
|
||||
/// file is located. When <see langword="false"/>, the paths will be considered to be relative to the current working directory.</param>
|
||||
/// <returns>Instance of the <see cref="K8SConfiguration"/> class</returns>
|
||||
public static K8SConfiguration LoadKubeConfig(string kubeconfigPath = null, bool useRelativePaths = true)
|
||||
{
|
||||
return LoadKubeConfigAsync(kubeconfigPath, useRelativePaths).GetAwaiter().GetResult();
|
||||
}
|
||||
|
||||
// <summary>
|
||||
/// Loads Kube Config
|
||||
/// </summary>
|
||||
/// <param name="kubeconfig">Kube config file contents</param>
|
||||
/// <param name="useRelativePaths">When <see langword="true"/>, the paths in the kubeconfig file will be considered to be relative to the directory in which the kubeconfig
|
||||
/// file is located. When <see langword="false"/>, the paths will be considered to be relative to the current working directory.</param>
|
||||
/// <returns>Instance of the <see cref="K8SConfiguration"/> class</returns>
|
||||
public static async Task<K8SConfiguration> LoadKubeConfigAsync(FileInfo kubeconfig, bool useRelativePaths = true)
|
||||
{
|
||||
if (!kubeconfig.Exists)
|
||||
{
|
||||
throw new KubeConfigException($"kubeconfig file not found at {kubeconfig.FullName}");
|
||||
}
|
||||
|
||||
using (var stream = kubeconfig.OpenRead())
|
||||
{
|
||||
var config = await Yaml.LoadFromStreamAsync<K8SConfiguration>(stream);
|
||||
|
||||
if (useRelativePaths)
|
||||
{
|
||||
config.FileName = kubeconfig.FullName;
|
||||
}
|
||||
|
||||
return config;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Loads Kube Config
|
||||
/// </summary>
|
||||
/// <param name="kubeconfig">Kube config file contents</param>
|
||||
/// <param name="useRelativePaths">When <see langword="true"/>, the paths in the kubeconfig file will be considered to be relative to the directory in which the kubeconfig
|
||||
/// file is located. When <see langword="false"/>, the paths will be considered to be relative to the current working directory.</param>
|
||||
/// <returns>Instance of the <see cref="K8SConfiguration"/> class</returns>
|
||||
public static K8SConfiguration LoadKubeConfig(FileInfo kubeconfig, bool useRelativePaths = true)
|
||||
{
|
||||
return LoadKubeConfigAsync(kubeconfig, useRelativePaths).GetAwaiter().GetResult();
|
||||
}
|
||||
|
||||
// <summary>
|
||||
/// Loads Kube Config
|
||||
/// </summary>
|
||||
/// <param name="kubeconfigStream">Kube config file contents stream</param>
|
||||
/// <returns>Instance of the <see cref="K8SConfiguration"/> class</returns>
|
||||
public static async Task<K8SConfiguration> LoadKubeConfigAsync(Stream kubeconfigStream)
|
||||
{
|
||||
return await Yaml.LoadFromStreamAsync<K8SConfiguration>(kubeconfigStream);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Loads Kube Config
|
||||
/// </summary>
|
||||
/// <param name="kubeconfig">Kube config file contents stream</param>
|
||||
/// <returns>Instance of the <see cref="K8SConfiguration"/> class</returns>
|
||||
public static K8SConfiguration LoadKubeConfig(Stream kubeconfigStream)
|
||||
{
|
||||
return LoadKubeConfigAsync(kubeconfigStream).GetAwaiter().GetResult();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Tries to get the full path to a file referenced from the Kubernetes configuration.
|
||||
/// </summary>
|
||||
/// <param name="configuration">
|
||||
/// The Kubernetes configuration.
|
||||
/// </param>
|
||||
/// <param name="path">
|
||||
/// The path to resolve.
|
||||
/// </param>
|
||||
/// <returns>
|
||||
/// When possible a fully qualified path to the file.
|
||||
/// </returns>
|
||||
/// <remarks>
|
||||
/// For example, if the configuration file is at "C:\Users\me\kube.config" and path is "ca.crt",
|
||||
/// this will return "C:\Users\me\ca.crt". Similarly, if path is "D:\ca.cart", this will return
|
||||
/// "D:\ca.crt".
|
||||
/// </remarks>
|
||||
private static string GetFullPath(K8SConfiguration configuration, string path)
|
||||
{
|
||||
// If we don't have a file name,
|
||||
if (string.IsNullOrWhiteSpace(configuration.FileName) || Path.IsPathRooted(path))
|
||||
{
|
||||
return path;
|
||||
}
|
||||
else
|
||||
{
|
||||
return Path.Combine(Path.GetDirectoryName(configuration.FileName), path);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
using System;
|
||||
using System.IO;
|
||||
using System.Linq;
|
||||
using System.Runtime.InteropServices;
|
||||
using System.Security.Cryptography.X509Certificates;
|
||||
using System.Threading.Tasks;
|
||||
using k8s.Exceptions;
|
||||
using k8s.KubeConfigModels;
|
||||
|
||||
namespace k8s
|
||||
{
|
||||
public partial class KubernetesClientConfiguration
|
||||
{
|
||||
/// <summary>
|
||||
/// kubeconfig Default Location
|
||||
/// </summary>
|
||||
private static readonly string KubeConfigDefaultLocation =
|
||||
RuntimeInformation.IsOSPlatform(OSPlatform.Windows)
|
||||
? Path.Combine(Environment.GetEnvironmentVariable("USERPROFILE"), @".kube\config")
|
||||
: Path.Combine(Environment.GetEnvironmentVariable("HOME"), ".kube/config");
|
||||
|
||||
/// <summary>
|
||||
/// Gets CurrentContext
|
||||
/// </summary>
|
||||
public string CurrentContext { get; private set; }
|
||||
|
||||
/// <summary>
|
||||
/// Initializes a new instance of the <see cref="KubernetesClientConfiguration" /> from config file
|
||||
/// </summary>
|
||||
/// <param name="masterUrl">kube api server endpoint</param>
|
||||
/// <param name="kubeconfigPath">Explicit file path to kubeconfig. Set to null to use the default file path</param>
|
||||
/// <param name="useRelativePaths">When <see langword="true"/>, the paths in the kubeconfig file will be considered to be relative to the directory in which the kubeconfig
|
||||
/// file is located. When <see langword="false"/>, the paths will be considered to be relative to the current working directory.</param>
|
||||
public static KubernetesClientConfiguration BuildConfigFromConfigFile(string kubeconfigPath = null,
|
||||
string currentContext = null, string masterUrl = null, bool useRelativePaths = true)
|
||||
{
|
||||
return BuildConfigFromConfigFile(new FileInfo(kubeconfigPath ?? KubeConfigDefaultLocation), null,
|
||||
masterUrl, useRelativePaths);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// </summary>
|
||||
/// <param name="kubeconfig">Fileinfo of the kubeconfig, cannot be null</param>
|
||||
/// <param name="currentContext">override the context in config file, set null if do not want to override</param>
|
||||
/// <param name="masterUrl">override the kube api server endpoint, set null if do not want to override</param>
|
||||
/// <param name="useRelativePaths">When <see langword="true"/>, the paths in the kubeconfig file will be considered to be relative to the directory in which the kubeconfig
|
||||
/// file is located. When <see langword="false"/>, the paths will be considered to be relative to the current working directory.</param>
|
||||
public static KubernetesClientConfiguration BuildConfigFromConfigFile(FileInfo kubeconfig,
|
||||
string currentContext = null, string masterUrl = null, bool useRelativePaths = true)
|
||||
{
|
||||
if (kubeconfig == null)
|
||||
{
|
||||
throw new NullReferenceException(nameof(kubeconfig));
|
||||
}
|
||||
|
||||
var k8SConfig = LoadKubeConfig(kubeconfig, useRelativePaths);
|
||||
var k8SConfiguration = GetKubernetesClientConfiguration(currentContext, masterUrl, k8SConfig);
|
||||
|
||||
return k8SConfiguration;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// </summary>
|
||||
/// <param name="kubeconfig">Fileinfo of the kubeconfig, cannot be null, whitespaced or empty</param>
|
||||
/// <param name="currentContext">override the context in config file, set null if do not want to override</param>
|
||||
/// <param name="masterUrl">overrider kube api server endpoint, set null if do not want to override</param>
|
||||
public static KubernetesClientConfiguration BuildConfigFromConfigFile(Stream kubeconfig,
|
||||
string currentContext = null, string masterUrl = null)
|
||||
{
|
||||
if (kubeconfig == null)
|
||||
{
|
||||
throw new NullReferenceException(nameof(kubeconfig));
|
||||
}
|
||||
|
||||
if (!kubeconfig.CanSeek)
|
||||
{
|
||||
throw new Exception("Stream don't support seeking!");
|
||||
}
|
||||
|
||||
kubeconfig.Position = 0;
|
||||
|
||||
var k8SConfig = Yaml.LoadFromStreamAsync<K8SConfiguration>(kubeconfig).GetAwaiter().GetResult();
|
||||
var k8SConfiguration = GetKubernetesClientConfiguration(currentContext, masterUrl, k8SConfig);
|
||||
|
||||
return k8SConfiguration;
|
||||
}
|
||||
|
||||
private static KubernetesClientConfiguration GetKubernetesClientConfiguration(string currentContext, string masterUrl, K8SConfiguration k8SConfig)
|
||||
{
|
||||
var k8SConfiguration = new KubernetesClientConfiguration();
|
||||
|
||||
currentContext = currentContext ?? k8SConfig.CurrentContext;
|
||||
// only init context if context if set
|
||||
if (currentContext != null)
|
||||
{
|
||||
k8SConfiguration.InitializeContext(k8SConfig, currentContext);
|
||||
}
|
||||
if (!string.IsNullOrWhiteSpace(masterUrl))
|
||||
{
|
||||
k8SConfiguration.Host = masterUrl;
|
||||
}
|
||||
|
||||
if (string.IsNullOrWhiteSpace(k8SConfiguration.Host))
|
||||
{
|
||||
throw new KubeConfigException("Cannot infer server host url either from context or masterUrl");
|
||||
}
|
||||
|
||||
return k8SConfiguration;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Validates and Intializes Client Configuration
|
||||
/// </summary>
|
||||
/// <param name="k8SConfig">Kubernetes Configuration</param>
|
||||
/// <param name="currentContext">Current Context</param>
|
||||
private void InitializeContext(K8SConfiguration k8SConfig, string currentContext)
|
||||
{
|
||||
// current context
|
||||
var activeContext =
|
||||
k8SConfig.Contexts.FirstOrDefault(
|
||||
c => c.Name.Equals(currentContext, StringComparison.OrdinalIgnoreCase));
|
||||
if (activeContext == null)
|
||||
{
|
||||
throw new KubeConfigException($"CurrentContext: {currentContext} not found in contexts in kubeconfig");
|
||||
}
|
||||
|
||||
CurrentContext = activeContext.Name;
|
||||
|
||||
// cluster
|
||||
SetClusterDetails(k8SConfig, activeContext);
|
||||
|
||||
// user
|
||||
SetUserDetails(k8SConfig, activeContext);
|
||||
|
||||
// namespace
|
||||
Namespace = activeContext.Namespace;
|
||||
}
|
||||
|
||||
private void SetClusterDetails(K8SConfiguration k8SConfig, Context activeContext)
|
||||
{
|
||||
var clusterDetails =
|
||||
k8SConfig.Clusters.FirstOrDefault(c => c.Name.Equals(activeContext.ContextDetails.Cluster,
|
||||
StringComparison.OrdinalIgnoreCase));
|
||||
|
||||
if (clusterDetails?.ClusterEndpoint == null)
|
||||
{
|
||||
throw new KubeConfigException($"Cluster not found for context {activeContext} in kubeconfig");
|
||||
}
|
||||
|
||||
if (string.IsNullOrWhiteSpace(clusterDetails.ClusterEndpoint.Server))
|
||||
{
|
||||
throw new KubeConfigException($"Server not found for current-context {activeContext} in kubeconfig");
|
||||
}
|
||||
Host = clusterDetails.ClusterEndpoint.Server;
|
||||
|
||||
SkipTlsVerify = clusterDetails.ClusterEndpoint.SkipTlsVerify;
|
||||
|
||||
try
|
||||
{
|
||||
var uri = new Uri(Host);
|
||||
if (uri.Scheme == "https")
|
||||
{
|
||||
// check certificate for https
|
||||
if (!clusterDetails.ClusterEndpoint.SkipTlsVerify &&
|
||||
string.IsNullOrWhiteSpace(clusterDetails.ClusterEndpoint.CertificateAuthorityData) &&
|
||||
string.IsNullOrWhiteSpace(clusterDetails.ClusterEndpoint.CertificateAuthority))
|
||||
{
|
||||
throw new KubeConfigException(
|
||||
$"neither certificate-authority-data nor certificate-authority not found for current-context :{activeContext} in kubeconfig");
|
||||
}
|
||||
|
||||
if (!string.IsNullOrEmpty(clusterDetails.ClusterEndpoint.CertificateAuthorityData))
|
||||
{
|
||||
var data = clusterDetails.ClusterEndpoint.CertificateAuthorityData;
|
||||
SslCaCert = new X509Certificate2(Convert.FromBase64String(data));
|
||||
}
|
||||
else if (!string.IsNullOrEmpty(clusterDetails.ClusterEndpoint.CertificateAuthority))
|
||||
{
|
||||
SslCaCert = new X509Certificate2(GetFullPath(k8SConfig, clusterDetails.ClusterEndpoint.CertificateAuthority));
|
||||
}
|
||||
}
|
||||
}
|
||||
catch (UriFormatException e)
|
||||
{
|
||||
throw new KubeConfigException("Bad Server host url", e);
|
||||
}
|
||||
}
|
||||
|
||||
private void SetUserDetails(K8SConfiguration k8SConfig, Context activeContext)
|
||||
{
|
||||
if (string.IsNullOrWhiteSpace(activeContext.ContextDetails.User))
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
var userDetails = k8SConfig.Users.FirstOrDefault(c => c.Name.Equals(activeContext.ContextDetails.User,
|
||||
StringComparison.OrdinalIgnoreCase));
|
||||
|
||||
if (userDetails == null)
|
||||
{
|
||||
throw new KubeConfigException("User not found for context {activeContext.Name} in kubeconfig");
|
||||
}
|
||||
|
||||
if (userDetails.UserCredentials == null)
|
||||
{
|
||||
throw new KubeConfigException($"User credentials not found for user: {userDetails.Name} in kubeconfig");
|
||||
}
|
||||
|
||||
var userCredentialsFound = false;
|
||||
|
||||
// Basic and bearer tokens are mutually exclusive
|
||||
if (!string.IsNullOrWhiteSpace(userDetails.UserCredentials.Token))
|
||||
{
|
||||
AccessToken = userDetails.UserCredentials.Token;
|
||||
userCredentialsFound = true;
|
||||
}
|
||||
else if (!string.IsNullOrWhiteSpace(userDetails.UserCredentials.UserName) &&
|
||||
!string.IsNullOrWhiteSpace(userDetails.UserCredentials.Password))
|
||||
{
|
||||
Username = userDetails.UserCredentials.UserName;
|
||||
Password = userDetails.UserCredentials.Password;
|
||||
userCredentialsFound = true;
|
||||
}
|
||||
|
||||
// Token and cert based auth can co-exist
|
||||
if (!string.IsNullOrWhiteSpace(userDetails.UserCredentials.ClientCertificateData) &&
|
||||
!string.IsNullOrWhiteSpace(userDetails.UserCredentials.ClientKeyData))
|
||||
{
|
||||
ClientCertificateData = userDetails.UserCredentials.ClientCertificateData;
|
||||
ClientCertificateKeyData = userDetails.UserCredentials.ClientKeyData;
|
||||
userCredentialsFound = true;
|
||||
}
|
||||
|
||||
if (!string.IsNullOrWhiteSpace(userDetails.UserCredentials.ClientCertificate) &&
|
||||
!string.IsNullOrWhiteSpace(userDetails.UserCredentials.ClientKey))
|
||||
{
|
||||
ClientCertificateFilePath = GetFullPath(k8SConfig, userDetails.UserCredentials.ClientCertificate);
|
||||
ClientKeyFilePath = GetFullPath(k8SConfig, userDetails.UserCredentials.ClientKey);
|
||||
userCredentialsFound = true;
|
||||
}
|
||||
|
||||
if (userDetails.UserCredentials.AuthProvider != null)
|
||||
{
|
||||
if (userDetails.UserCredentials.AuthProvider.Name == "azure" &&
|
||||
userDetails.UserCredentials.AuthProvider.Config != null &&
|
||||
userDetails.UserCredentials.AuthProvider.Config.ContainsKey("access-token"))
|
||||
{
|
||||
var config = userDetails.UserCredentials.AuthProvider.Config;
|
||||
if (config.ContainsKey("expires-on"))
|
||||
{
|
||||
var expiresOn = Int32.Parse(config["expires-on"]);
|
||||
DateTimeOffset expires;
|
||||
#if NET452
|
||||
var epoch = new DateTimeOffset(1970, 1, 1, 0, 0, 0, TimeSpan.Zero);
|
||||
expires = epoch.AddSeconds(expiresOn);
|
||||
#else
|
||||
expires = DateTimeOffset.FromUnixTimeSeconds(expiresOn);
|
||||
#endif
|
||||
|
||||
if (DateTimeOffset.Compare(expires, DateTimeOffset.Now) <= 0)
|
||||
{
|
||||
var tenantId = config["tenant-id"];
|
||||
var clientId = config["client-id"];
|
||||
var apiServerId = config["apiserver-id"];
|
||||
var refresh = config["refresh-token"];
|
||||
var newToken = RenewAzureToken(tenantId, clientId, apiServerId, refresh);
|
||||
config["access-token"] = newToken;
|
||||
}
|
||||
}
|
||||
AccessToken = config["access-token"];
|
||||
userCredentialsFound = true;
|
||||
}
|
||||
}
|
||||
|
||||
if (!userCredentialsFound)
|
||||
{
|
||||
throw new KubeConfigException(
|
||||
$"User: {userDetails.Name} does not have appropriate auth credentials in kubeconfig");
|
||||
}
|
||||
}
|
||||
|
||||
public static string RenewAzureToken(string tenantId, string clientId, string apiServerId, string refresh)
|
||||
{
|
||||
throw new KubeConfigException("Refresh not supported.");
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Loads entire Kube Config from default or explicit file path
|
||||
/// </summary>
|
||||
/// <param name="kubeconfigPath">Explicit file path to kubeconfig. Set to null to use the default file path</param>
|
||||
/// <param name="useRelativePaths">When <see langword="true"/>, the paths in the kubeconfig file will be considered to be relative to the directory in which the kubeconfig
|
||||
/// file is located. When <see langword="false"/>, the paths will be considered to be relative to the current working directory.</param>
|
||||
/// <returns>Instance of the <see cref="K8SConfiguration"/> class</returns>
|
||||
public static async Task<K8SConfiguration> LoadKubeConfigAsync(string kubeconfigPath = null, bool useRelativePaths = true)
|
||||
{
|
||||
var fileInfo = new FileInfo(kubeconfigPath ?? KubeConfigDefaultLocation);
|
||||
|
||||
return await LoadKubeConfigAsync(fileInfo, useRelativePaths);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Loads entire Kube Config from default or explicit file path
|
||||
/// </summary>
|
||||
/// <param name="kubeconfigPath">Explicit file path to kubeconfig. Set to null to use the default file path</param>
|
||||
/// <param name="useRelativePaths">When <see langword="true"/>, the paths in the kubeconfig file will be considered to be relative to the directory in which the kubeconfig
|
||||
/// file is located. When <see langword="false"/>, the paths will be considered to be relative to the current working directory.</param>
|
||||
/// <returns>Instance of the <see cref="K8SConfiguration"/> class</returns>
|
||||
public static K8SConfiguration LoadKubeConfig(string kubeconfigPath = null, bool useRelativePaths = true)
|
||||
{
|
||||
return LoadKubeConfigAsync(kubeconfigPath, useRelativePaths).GetAwaiter().GetResult();
|
||||
}
|
||||
|
||||
// <summary>
|
||||
/// Loads Kube Config
|
||||
/// </summary>
|
||||
/// <param name="kubeconfig">Kube config file contents</param>
|
||||
/// <param name="useRelativePaths">When <see langword="true"/>, the paths in the kubeconfig file will be considered to be relative to the directory in which the kubeconfig
|
||||
/// file is located. When <see langword="false"/>, the paths will be considered to be relative to the current working directory.</param>
|
||||
/// <returns>Instance of the <see cref="K8SConfiguration"/> class</returns>
|
||||
public static async Task<K8SConfiguration> LoadKubeConfigAsync(FileInfo kubeconfig, bool useRelativePaths = true)
|
||||
{
|
||||
if (!kubeconfig.Exists)
|
||||
{
|
||||
throw new KubeConfigException($"kubeconfig file not found at {kubeconfig.FullName}");
|
||||
}
|
||||
|
||||
using (var stream = kubeconfig.OpenRead())
|
||||
{
|
||||
var config = await Yaml.LoadFromStreamAsync<K8SConfiguration>(stream);
|
||||
|
||||
if (useRelativePaths)
|
||||
{
|
||||
config.FileName = kubeconfig.FullName;
|
||||
}
|
||||
|
||||
return config;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Loads Kube Config
|
||||
/// </summary>
|
||||
/// <param name="kubeconfig">Kube config file contents</param>
|
||||
/// <param name="useRelativePaths">When <see langword="true"/>, the paths in the kubeconfig file will be considered to be relative to the directory in which the kubeconfig
|
||||
/// file is located. When <see langword="false"/>, the paths will be considered to be relative to the current working directory.</param>
|
||||
/// <returns>Instance of the <see cref="K8SConfiguration"/> class</returns>
|
||||
public static K8SConfiguration LoadKubeConfig(FileInfo kubeconfig, bool useRelativePaths = true)
|
||||
{
|
||||
return LoadKubeConfigAsync(kubeconfig, useRelativePaths).GetAwaiter().GetResult();
|
||||
}
|
||||
|
||||
// <summary>
|
||||
/// Loads Kube Config
|
||||
/// </summary>
|
||||
/// <param name="kubeconfigStream">Kube config file contents stream</param>
|
||||
/// <returns>Instance of the <see cref="K8SConfiguration"/> class</returns>
|
||||
public static async Task<K8SConfiguration> LoadKubeConfigAsync(Stream kubeconfigStream)
|
||||
{
|
||||
return await Yaml.LoadFromStreamAsync<K8SConfiguration>(kubeconfigStream);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Loads Kube Config
|
||||
/// </summary>
|
||||
/// <param name="kubeconfig">Kube config file contents stream</param>
|
||||
/// <returns>Instance of the <see cref="K8SConfiguration"/> class</returns>
|
||||
public static K8SConfiguration LoadKubeConfig(Stream kubeconfigStream)
|
||||
{
|
||||
return LoadKubeConfigAsync(kubeconfigStream).GetAwaiter().GetResult();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Tries to get the full path to a file referenced from the Kubernetes configuration.
|
||||
/// </summary>
|
||||
/// <param name="configuration">
|
||||
/// The Kubernetes configuration.
|
||||
/// </param>
|
||||
/// <param name="path">
|
||||
/// The path to resolve.
|
||||
/// </param>
|
||||
/// <returns>
|
||||
/// When possible a fully qualified path to the file.
|
||||
/// </returns>
|
||||
/// <remarks>
|
||||
/// For example, if the configuration file is at "C:\Users\me\kube.config" and path is "ca.crt",
|
||||
/// this will return "C:\Users\me\ca.crt". Similarly, if path is "D:\ca.cart", this will return
|
||||
/// "D:\ca.crt".
|
||||
/// </remarks>
|
||||
private static string GetFullPath(K8SConfiguration configuration, string path)
|
||||
{
|
||||
// If we don't have a file name,
|
||||
if (string.IsNullOrWhiteSpace(configuration.FileName) || Path.IsPathRooted(path))
|
||||
{
|
||||
return path;
|
||||
}
|
||||
else
|
||||
{
|
||||
return Path.Combine(Path.GetDirectoryName(configuration.FileName), path);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user