diff --git a/all.sln b/all.sln index fe0140528..f76687235 100644 --- a/all.sln +++ b/all.sln @@ -119,6 +119,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dapr.Common", "src\Dapr.Com EndProject Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dapr.Common.Test", "test\Dapr.Common.Test\Dapr.Common.Test.csproj", "{CDB47863-BEBD-4841-A807-46D868962521}" EndProject +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WorkflowMonitor", "examples\Workflow\WorkflowMonitor\WorkflowMonitor.csproj", "{7F73A3D8-FFC2-4E31-AA3D-A4840316A8C6}" +EndProject Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WorkflowTaskChaining", "examples\Workflow\WorkflowTaskChaining\WorkflowTaskChaining.csproj", "{945DD3B7-94E5-435E-B3CB-796C20A652C7}" EndProject Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WorkflowSubworkflow", "examples\Workflow\WorkflowSubworkflow\WorkflowSubworkflow.csproj", "{FD3E9371-3134-4235-8E80-32226DFB4B1F}" @@ -325,6 +327,10 @@ Global {CDB47863-BEBD-4841-A807-46D868962521}.Debug|Any CPU.Build.0 = Debug|Any CPU {CDB47863-BEBD-4841-A807-46D868962521}.Release|Any CPU.ActiveCfg = Release|Any CPU {CDB47863-BEBD-4841-A807-46D868962521}.Release|Any CPU.Build.0 = Release|Any CPU + {7F73A3D8-FFC2-4E31-AA3D-A4840316A8C6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {7F73A3D8-FFC2-4E31-AA3D-A4840316A8C6}.Debug|Any CPU.Build.0 = Debug|Any CPU + {7F73A3D8-FFC2-4E31-AA3D-A4840316A8C6}.Release|Any CPU.ActiveCfg = Release|Any CPU + {7F73A3D8-FFC2-4E31-AA3D-A4840316A8C6}.Release|Any CPU.Build.0 = Release|Any CPU {945DD3B7-94E5-435E-B3CB-796C20A652C7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU {945DD3B7-94E5-435E-B3CB-796C20A652C7}.Debug|Any CPU.Build.0 = Debug|Any CPU {945DD3B7-94E5-435E-B3CB-796C20A652C7}.Release|Any CPU.ActiveCfg = Release|Any CPU @@ -421,6 +427,7 @@ Global {DFBABB04-50E9-42F6-B470-310E1B545638} = {27C5D71D-0721-4221-9286-B94AB07B58CF} {B445B19C-A925-4873-8CB7-8317898B6970} = {27C5D71D-0721-4221-9286-B94AB07B58CF} {CDB47863-BEBD-4841-A807-46D868962521} = {DD020B34-460F-455F-8D17-CF4A949F100B} + {7F73A3D8-FFC2-4E31-AA3D-A4840316A8C6} = {BF3ED6BF-ADF3-4D25-8E89-02FB8D945CA9} {945DD3B7-94E5-435E-B3CB-796C20A652C7} = {BF3ED6BF-ADF3-4D25-8E89-02FB8D945CA9} {FD3E9371-3134-4235-8E80-32226DFB4B1F} = {BF3ED6BF-ADF3-4D25-8E89-02FB8D945CA9} {D83B27F3-4401-42F5-843E-147566B4999A} = {BF3ED6BF-ADF3-4D25-8E89-02FB8D945CA9} diff --git a/examples/Workflow/WorkflowMonitor/Activities/CheckStatus.cs b/examples/Workflow/WorkflowMonitor/Activities/CheckStatus.cs new file mode 100644 index 000000000..99e5ba2b1 --- /dev/null +++ b/examples/Workflow/WorkflowMonitor/Activities/CheckStatus.cs @@ -0,0 +1,31 @@ +// ------------------------------------------------------------------------ +// Copyright 2024 The Dapr Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// ------------------------------------------------------------------------ + +using Dapr.Workflow; + +namespace WorkflowMonitor.Activities; + +internal sealed class CheckStatus : WorkflowActivity +{ + private static List status = new List { "healthy", "unhealthy" }; + private Random random = new(); + + /// + /// Override to implement async (non-blocking) workflow activity logic. + /// + /// Provides access to additional context for the current activity execution. + /// The deserialized activity input. + /// The output of the activity as a task. + public override Task RunAsync(WorkflowActivityContext context, bool input) => + Task.FromResult(status[random.Next(status.Count)]); +} diff --git a/examples/Workflow/WorkflowMonitor/Program.cs b/examples/Workflow/WorkflowMonitor/Program.cs new file mode 100644 index 000000000..05697d480 --- /dev/null +++ b/examples/Workflow/WorkflowMonitor/Program.cs @@ -0,0 +1,39 @@ +// ------------------------------------------------------------------------ +// Copyright 2024 The Dapr Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// ------------------------------------------------------------------------ + +using Dapr.Workflow; +using Microsoft.Extensions.DependencyInjection; +using Microsoft.Extensions.Hosting; +using WorkflowMonitor.Activities; +using WorkflowMonitor.Workflows; + +var builder = Host.CreateDefaultBuilder(args).ConfigureServices(services => +{ + services.AddDaprWorkflow(options => + { + options.RegisterWorkflow(); + options.RegisterActivity(); + }); +}); + +using var host = builder.Build(); +await host.StartAsync(); + +await using var scope = host.Services.CreateAsyncScope(); +var daprWorkflowClient = scope.ServiceProvider.GetRequiredService(); + +var instanceId = $"demo-workflow-{Guid.NewGuid().ToString()[..8]}"; +var isHealthy = true; +await daprWorkflowClient.ScheduleNewWorkflowAsync(nameof(DemoWorkflow), instanceId, isHealthy); + +//We don't want to block on workflow completion as this workflow will never complete diff --git a/examples/Workflow/WorkflowMonitor/WorkflowMonitor.csproj b/examples/Workflow/WorkflowMonitor/WorkflowMonitor.csproj new file mode 100644 index 000000000..91ded8afb --- /dev/null +++ b/examples/Workflow/WorkflowMonitor/WorkflowMonitor.csproj @@ -0,0 +1,18 @@ + + + + Exe + net6.0 + enable + enable + + + + + + + + + + + diff --git a/examples/Workflow/WorkflowMonitor/Workflows/DemoWorkflow.cs b/examples/Workflow/WorkflowMonitor/Workflows/DemoWorkflow.cs new file mode 100644 index 000000000..e456eea15 --- /dev/null +++ b/examples/Workflow/WorkflowMonitor/Workflows/DemoWorkflow.cs @@ -0,0 +1,57 @@ +// ------------------------------------------------------------------------ +// Copyright 2024 The Dapr Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// ------------------------------------------------------------------------ + +using Dapr.Workflow; +using WorkflowMonitor.Activities; + +namespace WorkflowMonitor.Workflows; + +internal sealed class DemoWorkflow : Workflow +{ + /// + /// Override to implement workflow logic. + /// + /// The workflow context. + /// The deserialized workflow input. + /// The output of the workflow as a task. + public override async Task RunAsync(WorkflowContext context, bool isHealthy) + { + string status = await context.CallActivityAsync(nameof(CheckStatus), true); + int next_sleep_interval; + if (!context.IsReplaying) + { + Console.WriteLine($"This job is {status}"); + } + + if (status == "healthy") + { + isHealthy = true; + next_sleep_interval = 30; + } + else + { + if (isHealthy) + { + isHealthy = false; + } + Console.WriteLine("Status is unhealthy. Set check interval to 5s"); + next_sleep_interval = 5; + } + + await context.CreateTimer(TimeSpan.FromSeconds(next_sleep_interval)); + context.ContinueAsNew(isHealthy); + + //This workflow will never complete + return true; + } +}