[Inference API] Add Chat Completion to Amazon Bedrock for the Inference API - #139411

POST _inference/chat_completion/test-chat/_stream
{
    "messages": [
        {
            "role": "user",
            "content": "test"
        },
        {
            "role": "assistant",
            "content": "tool call",
            "tool_calls": [
                {
                    "function": {
                        "name": "context",
                        "arguments": "{}"
                    },
                    "id": "803434",
                    "type": "function"
                }
            ]
        },
        {
            "role": "tool",
            "content": "{\"screen_description\":\"The user is looking at http://localhost:5601/app/observability/overview?rangeFrom=now-15m&rangeTo=now. The current time range is 2024-12-13T01:18:25.752Z - 2024-12-13T01:33:25.752Z.\\n\\nThe user is viewing the Overview page which shows a summary of the following apps: {\\\"universal_profiling\\\":{\\\"hasData\\\":false,\\\"status\\\":\\\"success\\\"},\\\"alert\\\":{\\\"hasData\\\":false,\\\"status\\\":\\\"success\\\"},\\\"uptime\\\":{\\\"hasData\\\":false,\\\"indices\\\":\\\"heartbeat-*\\\",\\\"status\\\":\\\"success\\\"},\\\"infra_metrics\\\":{\\\"hasData\\\":false,\\\"indices\\\":\\\"metrics-*,metricbeat-*\\\",\\\"status\\\":\\\"success\\\"},\\\"ux\\\":{\\\"hasData\\\":false,\\\"indices\\\":\\\"traces-apm*,apm-*,traces-*.otel-*,logs-apm*,apm-*,logs-*.otel-*,metrics-apm*,apm-*,metrics-*.otel-*\\\",\\\"status\\\":\\\"success\\\"},\\\"infra_logs\\\":{\\\"hasData\\\":false,\\\"indices\\\":\\\"logs-*-*,logs-*,filebeat-*\\\",\\\"status\\\":\\\"success\\\"},\\\"apm\\\":{\\\"hasData\\\":false,\\\"indices\\\":{\\\"transaction\\\":\\\"traces-apm*,apm-*,traces-*.otel-*\\\",\\\"span\\\":\\\"traces-apm*,apm-*,traces-*.otel-*\\\",\\\"error\\\":\\\"logs-apm*,apm-*,logs-*.otel-*\\\",\\\"metric\\\":\\\"metrics-apm*,apm-*,metrics-*.otel-*\\\",\\\"onboarding\\\":\\\"apm-*\\\",\\\"sourcemap\\\":\\\"apm-*\\\"},\\\"status\\\":\\\"success\\\"}}\",\"learnings\":[]}",
            "tool_call_id": "803434"
        }
    ],
    "tool_choice": "auto",
    "tools": [
        {
            "type": "function",
            "function": {
                "name": "query",
                "description": "This function generates, executes and/or visualizes a query\n      based on the user's request. It also explains how ES|QL works and how to\n      convert queries from one language to another. Make sure you call one of\n      the get_dataset functions first if you need index or field names. This\n      function takes no input.",
                "parameters": {
                    "type": "object",
                    "properties": {}
                }
            }
        },
        {
            "type": "function",
            "function": {
                "name": "get_alerts_dataset_info",
                "description": "Use this function to get information about alerts data.",
                "parameters": {
                    "type": "object",
                    "properties": {
                        "start": {
                            "type": "string",
                            "description": "The start of the current time range, in datemath, like now-24h or an ISO timestamp"
                        },
                        "end": {
                            "type": "string",
                            "description": "The end of the current time range, in datemath, like now-24h or an ISO timestamp"
                        }
                    }
                }
            }
        },
        
        {
            "type": "function",
            "function": {
                "name": "execute_connector",
                "description": "Use this function when user explicitly asks to call a kibana connector.",
                "parameters": {
                    "type": "object",
                    "properties": {
                        "id": {
                            "type": "string",
                            "description": "The id of the connector"
                        },
                        "params": {
                            "type": "object",
                            "description": "The connector parameters"
                        }
                    },
                    "required": [
                        "id",
                        "params"
                    ]
                }
            }
        }
    ]
}