diff --git a/dev/loadgen/delete-all-ws.sh b/dev/loadgen/delete-all-ws.sh new file mode 100755 index 00000000000000..4e017e4aee8836 --- /dev/null +++ b/dev/loadgen/delete-all-ws.sh @@ -0,0 +1,6 @@ +#!/bin/bash + +for ws in $(kubectl get ws | cut -d ' ' -f 1); do kubectl patch ws "$ws" -p '{"metadata":{"finalizers":null}}' --type=merge; kubectl delete ws "$ws"; done + + +for ws in $(kubectl get pod -l component=workspace | cut -d ' ' -f 1); do kubectl patch pod "$ws" -p '{"metadata":{"finalizers":null}}' --type=merge; kubectl delete pod "$ws"; done diff --git a/scheduler/go.mod b/scheduler/go.mod new file mode 100644 index 00000000000000..6b9de344ce4235 --- /dev/null +++ b/scheduler/go.mod @@ -0,0 +1,50 @@ +module gitpod.io/scheduler/v2 + +go 1.22.2 + +require ( + k8s.io/api v0.31.1 + k8s.io/apimachinery v0.31.1 + k8s.io/client-go v0.31.1 +) + +require ( + github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect + github.com/emicklei/go-restful/v3 v3.11.0 // indirect + github.com/fxamacker/cbor/v2 v2.7.0 // indirect + github.com/go-logr/logr v1.4.2 // indirect + github.com/go-openapi/jsonpointer v0.19.6 // indirect + github.com/go-openapi/jsonreference v0.20.2 // indirect + github.com/go-openapi/swag v0.22.4 // indirect + github.com/gogo/protobuf v1.3.2 // indirect + github.com/golang/protobuf v1.5.4 // indirect + github.com/google/gnostic-models v0.6.8 // indirect + github.com/google/go-cmp v0.6.0 // indirect + github.com/google/gofuzz v1.2.0 // indirect + github.com/google/uuid v1.6.0 // indirect + github.com/imdario/mergo v0.3.6 // indirect + github.com/josharian/intern v1.0.0 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/mailru/easyjson v0.7.7 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect + github.com/spf13/pflag v1.0.5 // indirect + github.com/x448/float16 v0.8.4 // indirect + golang.org/x/net v0.26.0 // indirect + golang.org/x/oauth2 v0.21.0 // indirect + golang.org/x/sys v0.21.0 // indirect + golang.org/x/term v0.21.0 // indirect + golang.org/x/text v0.16.0 // indirect + golang.org/x/time v0.3.0 // indirect + google.golang.org/protobuf v1.34.2 // indirect + gopkg.in/inf.v0 v0.9.1 // indirect + gopkg.in/yaml.v2 v2.4.0 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect + k8s.io/klog/v2 v2.130.1 // indirect + k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340 // indirect + k8s.io/utils v0.0.0-20240711033017-18e509b52bc8 // indirect + sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect + sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect + sigs.k8s.io/yaml v1.4.0 // indirect +) diff --git a/scheduler/go.sum b/scheduler/go.sum new file mode 100644 index 00000000000000..4dcca4b8853452 --- /dev/null +++ b/scheduler/go.sum @@ -0,0 +1,154 @@ +github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM= +github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/emicklei/go-restful/v3 v3.11.0 h1:rAQeMHw1c7zTmncogyy8VvRZwtkmkZ4FxERmMY4rD+g= +github.com/emicklei/go-restful/v3 v3.11.0/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc= +github.com/fxamacker/cbor/v2 v2.7.0 h1:iM5WgngdRBanHcxugY4JySA0nk1wZorNOpTgCMedv5E= +github.com/fxamacker/cbor/v2 v2.7.0/go.mod h1:pxXPTn3joSm21Gbwsv0w9OSA2y1HFR9qXEeXQVeNoDQ= +github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY= +github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY= +github.com/go-openapi/jsonpointer v0.19.6 h1:eCs3fxoIi3Wh6vtgmLTOjdhSpiqphQ+DaPn38N2ZdrE= +github.com/go-openapi/jsonpointer v0.19.6/go.mod h1:osyAmYz/mB/C3I+WsTTSgw1ONzaLJoLCyoi6/zppojs= +github.com/go-openapi/jsonreference v0.20.2 h1:3sVjiK66+uXK/6oQ8xgcRKcFgQ5KXa2KvnJRumpMGbE= +github.com/go-openapi/jsonreference v0.20.2/go.mod h1:Bl1zwGIM8/wsvqjsOQLJ/SH+En5Ap4rVB5KVcIDZG2k= +github.com/go-openapi/swag v0.22.3/go.mod h1:UzaqsxGiab7freDnrUUra0MwWfN/q7tE4j+VcZ0yl14= +github.com/go-openapi/swag v0.22.4 h1:QLMzNJnMGPRNDCbySlcj1x01tzU8/9LTTL9hZZZogBU= +github.com/go-openapi/swag v0.22.4/go.mod h1:UzaqsxGiab7freDnrUUra0MwWfN/q7tE4j+VcZ0yl14= +github.com/go-task/slim-sprig/v3 v3.0.0 h1:sUs3vkvUymDpBKi3qH1YSqBQk9+9D/8M2mN1vB6EwHI= +github.com/go-task/slim-sprig/v3 v3.0.0/go.mod h1:W848ghGpv3Qj3dhTPRyJypKRiqCdHZiAzKg9hl15HA8= +github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q= +github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q= +github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek= +github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps= +github.com/google/gnostic-models v0.6.8 h1:yo/ABAfM5IMRsS1VnXjTBvUb61tFIHozhlYvRgGre9I= +github.com/google/gnostic-models v0.6.8/go.mod h1:5n7qKqH0f5wFt+aWF8CW6pZLLNOfYuF5OpfBSENuI8U= +github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= +github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= +github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= +github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= +github.com/google/gofuzz v1.2.0 h1:xRy4A+RhZaiKjJ1bPfwQ8sedCA+YS2YcCHW6ec7JMi0= +github.com/google/gofuzz v1.2.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= +github.com/google/pprof v0.0.0-20240525223248-4bfdf5a9a2af h1:kmjWCqn2qkEml422C2Rrd27c3VGxi6a/6HNq8QmHRKM= +github.com/google/pprof v0.0.0-20240525223248-4bfdf5a9a2af/go.mod h1:K1liHPHnj73Fdn/EKuT8nrFqBihUSKXoLYU0BuatOYo= +github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0= +github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= +github.com/imdario/mergo v0.3.6 h1:xTNEAn+kxVO7dTZGu0CegyqKZmoWFI0rF8UxjlB2d28= +github.com/imdario/mergo v0.3.6/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA= +github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY= +github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y= +github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM= +github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo= +github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8= +github.com/kisielk/gotool v1.0.0/go.mod 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Function to get the Kubernetes client +func getClient() (*kubernetes.Clientset, error) { + var config *rest.Config + var err error + + // Try to get in-cluster config + config, err = rest.InClusterConfig() + if err != nil { + // Fall back to using kubeconfig file if not running in a cluster + kubeconfigFlag := flag.String("kubeconfig", "~/.kube/config", "location of your kubeconfig file") + flag.Parse() + kubeconfig, err := filepath.Abs(*kubeconfigFlag) + if err != nil { + fmt.Printf("Cannot resolve kubeconfig path: %s", *kubeconfigFlag) + } + config, err = clientcmd.BuildConfigFromFlags("", kubeconfig) + if err != nil { + return nil, err + } + } + + clientset, err := kubernetes.NewForConfig(config) + if err != nil { + return nil, err + } + return clientset, nil +} + +type patchStringValue struct { + Op string `json:"op"` + Path string `json:"path"` + Value string `json:"value"` +} + +// Main scheduler logic +func main() { + // Get Kubernetes client + clientset, err := getClient() + if err != nil { + fmt.Printf("Error creating Kubernetes client: %v\n", err) + os.Exit(1) + } + + namespace := "default" + ctx := context.Background() + + // Listen for pod events to schedule + podWatcher, err := clientset.CoreV1().Pods(namespace).Watch(ctx, metav1.ListOptions{ + LabelSelector: "component=workspace", + }) + if err != nil { + fmt.Printf("Error watching pods: %v\n", err) + os.Exit(1) + } + + // Handle pod events + ch := podWatcher.ResultChan() + stopChan := make(chan os.Signal, 1) + signal.Notify(stopChan, syscall.SIGINT, syscall.SIGTERM) + + fmt.Println("Starting breaker...") + + knownPodVersions := map[string]string{} + podRejectedCount := map[string]int{} + + for { + select { + case event := <-ch: + pod, ok := event.Object.(*corev1.Pod) + if !ok { + fmt.Println("Unexpected type") + continue + } + + marked := true + // marked := slices.ContainsFunc(pod.Spec.Containers[0].Env, func(e corev1.EnvVar) bool { + // return e.Name == "GITPOD_WORKSPACE_CONTEXT_URL" && strings.Contains(e.Value, "geropl") + // }) + + knownVersion, known := knownPodVersions[pod.Name] + if known && knownVersion >= pod.ResourceVersion { + fmt.Printf("Skipping pod %s bc of outdated version...\n", pod.Name) + continue + } + + if count := podRejectedCount[pod.Name]; count > 0 || !marked { + fmt.Printf("Skipping pod %s...\n", pod.Name) + continue + } + fmt.Printf("Found marked pod %s\n", pod.Name) + + if pod.Status.Phase == corev1.PodPending && pod.Spec.NodeName != "" { + fmt.Printf("found marked pending & scheduled pod: %s\n", pod.Name) + patch := []patchStringValue{ + { + Path: "/status/phase", + Op: "replace", + Value: string(corev1.PodFailed), + }, + { + Path: "/status/reason", + Op: "replace", + Value: "NodeAffinity", + }, + { + Path: "/status/message", + Op: "replace", + Value: "Pod was rejected", + }, + } + patchBytes, _ := json.Marshal(patch) + pUpdated, err := clientset.CoreV1().Pods(namespace).Patch(ctx, pod.Name, types.JSONPatchType, patchBytes, metav1.PatchOptions{}, "status") + if err != nil { + fmt.Printf("error patching pod %s: %v\n", pod.Name, err) + } + podRejectedCount[pod.Name] = podRejectedCount[pod.Name] + 1 + knownPodVersions[pUpdated.Name] = pUpdated.ResourceVersion + fmt.Printf("Applied status: %s\n", pUpdated.Status.Phase) + } + + case <-stopChan: + fmt.Println("Shutting down breaker...") + return + } + } +}