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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| package prompts | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "sort" | ||
| "strings" | ||
|
|
||
| "github.com/strowk/foxy-contexts/pkg/fxctx" | ||
| "github.com/strowk/foxy-contexts/pkg/mcp" | ||
| "github.com/strowk/mcp-k8s-go/internal/content" | ||
| "github.com/strowk/mcp-k8s-go/internal/k8s" | ||
| "github.com/strowk/mcp-k8s-go/internal/utils" | ||
|
|
||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| ) | ||
|
|
||
| func NewListPodsPrompt(pool k8s.ClientPool) fxctx.Prompt { | ||
| return fxctx.NewPrompt( | ||
| mcp.Prompt{ | ||
| Name: "list-k8s-pods", | ||
| Description: utils.Ptr( | ||
| "List Kubernetes Pods with name and namespace in the current context", | ||
| ), | ||
| Arguments: []mcp.PromptArgument{ | ||
| { | ||
| Name: "namespace", | ||
| Description: utils.Ptr( | ||
| "Namespace to list Pods from, defaults to all namespaces", | ||
| ), | ||
| Required: utils.Ptr(false), | ||
| }, | ||
| }, | ||
| }, | ||
| func(req *mcp.GetPromptRequest) (*mcp.GetPromptResult, error) { | ||
| k8sNamespace := req.Params.Arguments["namespace"] | ||
| if k8sNamespace == "" { | ||
| k8sNamespace = metav1.NamespaceAll | ||
| } | ||
|
|
||
| clientset, err := pool.GetClientset("") | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to get k8s client: %w", err) | ||
| } | ||
|
|
||
| pods, err := clientset. | ||
| CoreV1(). | ||
| Pods(k8sNamespace). | ||
| List(context.Background(), metav1.ListOptions{}) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to list pods: %w", err) | ||
| } | ||
|
|
||
| sort.Slice(pods.Items, func(i, j int) bool { | ||
| return pods.Items[i].Name < pods.Items[j].Name | ||
| }) | ||
|
|
||
| namespaceInMessage := "all namespaces" | ||
| if k8sNamespace != metav1.NamespaceAll { | ||
| namespaceInMessage = fmt.Sprintf("namespace '%s'", k8sNamespace) | ||
| } | ||
|
|
||
| var messages []mcp.PromptMessage = make( | ||
| []mcp.PromptMessage, | ||
| len(pods.Items)+1, | ||
| ) | ||
| messages[0] = mcp.PromptMessage{ | ||
| Content: mcp.TextContent{ | ||
| Type: "text", | ||
| Text: fmt.Sprintf( | ||
| "There are %d pods in %s:", | ||
| len(pods.Items), | ||
| namespaceInMessage, | ||
| ), | ||
| }, | ||
| Role: mcp.RoleUser, | ||
| } | ||
|
|
||
| type PodInList struct { | ||
| Name string `json:"name"` | ||
| Namespace string `json:"namespace"` | ||
| } | ||
|
|
||
| for i, pod := range pods.Items { | ||
| content, err := content.NewJsonContent(PodInList{ | ||
| Name: pod.Name, | ||
| Namespace: pod.Namespace, | ||
| }) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to create content: %w", err) | ||
| } | ||
| messages[i+1] = mcp.PromptMessage{ | ||
| Content: content, | ||
| Role: mcp.RoleUser, | ||
| } | ||
| } | ||
|
|
||
| ofContextMsg := "" | ||
| currentContext, err := k8s.GetCurrentContext() | ||
| if err == nil && currentContext != "" { | ||
| ofContextMsg = fmt.Sprintf(", context '%s'", currentContext) | ||
| } | ||
|
|
||
| return &mcp.GetPromptResult{ | ||
| Description: utils.Ptr( | ||
| fmt.Sprintf("Pods in %s%s", namespaceInMessage, ofContextMsg), | ||
| ), | ||
| Messages: messages, | ||
| }, nil | ||
| }, | ||
| ).WithCompleter(func(arg *mcp.PromptArgument, value string) (*mcp.CompleteResult, error) { | ||
| if arg.Name == "namespace" { | ||
|
|
||
| client, err := pool.GetClientset("") | ||
|
|
||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to get k8s client: %w", err) | ||
| } | ||
|
|
||
| namespaces, err := client.CoreV1().Namespaces().List(context.Background(), metav1.ListOptions{}) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to get namespaces: %w", err) | ||
| } | ||
|
|
||
| var completions []string | ||
| for _, ns := range namespaces.Items { | ||
| if strings.HasPrefix(ns.Name, value) { | ||
| completions = append(completions, ns.Name) | ||
| } | ||
| } | ||
|
|
||
| return &mcp.CompleteResult{ | ||
| Completion: mcp.CompleteResultCompletion{ | ||
| HasMore: utils.Ptr(false), | ||
| Total: utils.Ptr(len(completions)), | ||
| Values: completions, | ||
| }, | ||
| }, nil | ||
| } | ||
|
|
||
| return nil, fmt.Errorf("no such argument to complete for prompt: '%s'", arg.Name) | ||
| }) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| case: List Prompts | ||
| in: { "jsonrpc": "2.0", "method": "prompts/list", "id": 1, "params": {} } | ||
| out: | ||
| { | ||
| "id": 1, | ||
| "jsonrpc": "2.0", | ||
| "result": | ||
| { | ||
| "prompts": [ | ||
| { | ||
| "name": "list-k8s-pods", | ||
| "description": "List Kubernetes Pods with name and namespace in the current context", | ||
| "arguments": [ | ||
| { | ||
| "description": "Namespace to list Pods from, defaults to all namespaces", | ||
| "name": "namespace", | ||
| "required": false, | ||
| }, | ||
| ] | ||
| } | ||
| ] | ||
| }, | ||
| } |
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