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Restart sts daemonset deployment example (#819)

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* chore : csr approval example using json patch net package

* chore : use top level feature, remove k8s client and use reference instead

* chore : remove target framework

* fix : remove redundant reference package

* feat : implement restart sts, daemonset & deployment option using patch

* refactor : optimize code and resolve warnings
This commit is contained in:
Arzu Suleymanov
2022-04-05 01:19:36 +02:00
committed by GitHub
parent 541a2f5630
commit 6ff5460812
3 changed files with 104 additions and 0 deletions
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76
examples/restart/Program.cs Normal file
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using System.Globalization;
using System.Text.Json;
using Json.Patch;
using k8s;
using k8s.Models;
double ConvertToUnixTimestamp(DateTime date)
{
var origin = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
var diff = date.ToUniversalTime() - origin;
return Math.Floor(diff.TotalSeconds);
}
async Task RestartDaemonSetAsync(string name, string @namespace, IKubernetes client)
{
var daemonSet = await client.ReadNamespacedDaemonSetAsync(name, @namespace);
var options = new JsonSerializerOptions { PropertyNamingPolicy = JsonNamingPolicy.CamelCase, WriteIndented = true };
var old = JsonSerializer.SerializeToDocument(daemonSet, options);
var restart = new Dictionary<string, string>(daemonSet.Spec.Template.Metadata.Annotations)
{
["date"] = ConvertToUnixTimestamp(DateTime.UtcNow).ToString(CultureInfo.InvariantCulture)
};
daemonSet.Spec.Template.Metadata.Annotations = restart;
var expected = JsonSerializer.SerializeToDocument(daemonSet);
var patch = old.CreatePatch(expected);
await client.PatchNamespacedDaemonSetAsync(new V1Patch(patch, V1Patch.PatchType.JsonPatch), name, @namespace);
}
async Task RestartDeploymentAsync(string name, string @namespace, IKubernetes client)
{
var deployment = await client.ReadNamespacedDeploymentAsync(name, @namespace);
var options = new JsonSerializerOptions { PropertyNamingPolicy = JsonNamingPolicy.CamelCase, WriteIndented = true };
var old = JsonSerializer.SerializeToDocument(deployment, options);
var restart = new Dictionary<string, string>(deployment.Spec.Template.Metadata.Annotations)
{
["date"] = ConvertToUnixTimestamp(DateTime.UtcNow).ToString(CultureInfo.InvariantCulture)
};
deployment.Spec.Template.Metadata.Annotations = restart;
var expected = JsonSerializer.SerializeToDocument(deployment);
var patch = old.CreatePatch(expected);
await client.PatchNamespacedDeploymentAsync(new V1Patch(patch, V1Patch.PatchType.JsonPatch), name, @namespace);
}
async Task RestartStatefulSetAsync(string name, string @namespace, IKubernetes client)
{
var deployment = await client.ReadNamespacedStatefulSetAsync(name, @namespace);
var options = new JsonSerializerOptions { PropertyNamingPolicy = JsonNamingPolicy.CamelCase, WriteIndented = true };
var old = JsonSerializer.SerializeToDocument(deployment, options);
var restart = new Dictionary<string, string>(deployment.Spec.Template.Metadata.Annotations)
{
["date"] = ConvertToUnixTimestamp(DateTime.UtcNow).ToString(CultureInfo.InvariantCulture)
};
deployment.Spec.Template.Metadata.Annotations = restart;
var expected = JsonSerializer.SerializeToDocument(deployment);
var patch = old.CreatePatch(expected);
await client.PatchNamespacedStatefulSetAsync(new V1Patch(patch, V1Patch.PatchType.JsonPatch), name, @namespace);
}
var config = KubernetesClientConfiguration.BuildConfigFromConfigFile();
IKubernetes client = new Kubernetes(config);
await RestartDeploymentAsync("event-exporter", "monitoring", client);
await RestartDaemonSetAsync("prometheus-exporter", "monitoring", client);
await RestartStatefulSetAsync("argocd-application-controlle", "argocd", client);

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examples/restart/restart.csproj Normal file
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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="JsonPatch.Net" Version="1.1.2" />
</ItemGroup>
</Project>