package tools
import (
"bytes"
"context"
"encoding/json"
"fmt"
mcpgolang "github.com/metoro-io/mcp-golang"
"github.com/metoro-io/metoro-mcp-server/utils"
)
type GetServiceGraphHandlerArgs struct {
TimeConfig utils.TimeConfig `json:"time_config" jsonschema:"required,description=The time period to get the service graph for. e.g. if you want to get the graph for the last 5 minutes you would set time_period=5 and time_window=Minutes. You can also set an absoulute time range by setting start_time and end_time"`
ServiceName string `json:"serviceName" jsonschema:"required,description=The name of the service to get the graph for"`
Environments []string `json:"environments" jsonschema:"description=The environments to get the service graph for. If empty all environments will be used."`
}
type GetServiceGraphRequest struct {
// If Environments is not empty, only services that are in the list will be included in the graph.
// If Environments is empty, all services will be included in the graph.
Environments []string `json:"environments"`
// If InitialServices is not empty, only services that are in the list will be included in the graph.
// If InitialServices is empty, all services will be included in the graph.
InitialServices []string `json:"initialServices"`
// If EndingServices is not empty, only services that are in the list will be included in the graph.
// If EndingServices is empty, all services will be included in the graph.
EndingServices []string `json:"endingServices"`
// StartTime is the start time of the graph in seconds since epoch
StartTime int64 `json:"startTime"`
// EndTime is the end time of the graph in seconds since epoch
EndTime int64 `json:"endTime"`
// The filters to apply to the traces, so for example, if you want to get traces for a specific service
// you can pass in a filter like {"service_name": ["microservice_a"]}
Filters map[string][]string `json:"filters"`
// ExcludeFilters are filters that should be excluded from the traces
// For example, if you want to get traces for all services except microservice_a you can pass in
// {"service_name": ["microservice_a"]}
ExcludeFilters map[string][]string `json:"excludeFilters"`
// Regexes are used to filter traces based on a regex inclusively
Regexes []string `json:"regexes"`
// ExcludeRegexes are used to filter traces based on a regex exclusively
ExcludeRegexes []string `json:"excludeRegexes"`
}
func GetServiceGraphHandler(ctx context.Context, arguments GetServiceGraphHandlerArgs) (*mcpgolang.ToolResponse, error) {
startTime, endTime, err := utils.CalculateTimeRange(arguments.TimeConfig)
if err != nil {
return nil, fmt.Errorf("error calculating time range: %v", err)
}
request := GetServiceGraphRequest{
StartTime: startTime,
EndTime: endTime,
Environments: arguments.Environments,
InitialServices: []string{arguments.ServiceName},
EndingServices: []string{arguments.ServiceName},
}
body, err := getServiceGraphMetoroCall(ctx, request)
if err != nil {
return nil, fmt.Errorf("error getting service graph: %v", err)
}
return mcpgolang.NewToolResponse(mcpgolang.NewTextContent(fmt.Sprintf("%s", string(body)))), nil
}
func getServiceGraphMetoroCall(ctx context.Context, request GetServiceGraphRequest) ([]byte, error) {
requestBody, err := json.Marshal(request)
if err != nil {
return nil, fmt.Errorf("error marshaling service graph request: %v", err)
}
return utils.MakeMetoroAPIRequest("POST", "serviceGraph", bytes.NewBuffer(requestBody), utils.GetAPIRequirementsFromRequest(ctx))
}