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feat(quickwit_output): implement the quickwit output
Signed-off-by: Idriss Neumann <idriss.neumann@comwork.io>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| # Quickwit | ||
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| - **Category**: Logs | ||
| - **Website**: https://quickwit.io/ | ||
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| ## Table of content | ||
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| - [Quickwit](#quickwit) | ||
| - [Table of content](#table-of-content) | ||
| - [Configuration](#configuration) | ||
| - [Example of config.yaml](#example-of-configyaml) | ||
| - [Screenshots](#screenshots) | ||
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| ## Configuration | ||
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| | Setting | Env var | Default value | Description | | ||
| | ------------------------------- | ------------------------------- | ---------------- | -------------------------------------------------------------------------------------------------------------------------------------- | | ||
| | `quickwit.hosport` | `QUICKWIT_HOSTPORT` | | http://{domain or ip}:{port}, if not empty, Quickwit output is **enabled** | | ||
| | `quickwit.apiendpoint` | `QUICKWIT_APIENDPOINT` | `api/v1` | API endpoint (containing the API version, overideable in case of quickwit behind a reverse proxy with URL rewriting) | | ||
| | `quickwit.index` | `QUICKWIT_INDEX` | `falco` | Index | | ||
| | `quickwit.version` | `QUICKWIT_VERSION` | `0.7` | Version of quickwit | | ||
| | `quickwit.autocreateindex` | `QUICKWIT_AUTOCREATEINDEX` | `false` | Autocreate a `falco` index mapping if it doesn't exists | | ||
| | `quickwit.customheaders` | `QUICKWIT_CUSTOMHEADERS` | | Custom headers to add in POST, useful for Authentication | | ||
| | `quickwit.mutualtls` | `QUICKWIT_MUTUALTLS` | `false` | Authenticate to the output with TLS, if true, checkcert flag will be ignored (server cert will always be checked) | | ||
| | `quickwit.checkcert` | `QUICKWIT_CHECKCERT` | `true` | Check if ssl certificate of the output is valid | | ||
| | `quickwit.minimumpriority` | `QUICKWIT_MINIMUMPRIORITY` | `""` (= `debug`) | Minimum priority of event for using this output, order is `emergency,alert,critical,error,warning,notice,informational,debug or ""` | | ||
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| > **Note** | ||
| The Env var values override the settings from yaml file. | ||
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| ## Example of config.yaml | ||
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| ```yaml | ||
| quickwit: | ||
| # hostport: "" | ||
| # apiendpoint: "/api/v1" | ||
| # index: "falco" | ||
| # version: "0.7" | ||
| # autocreateindex: false | ||
| # customHeaders: | ||
| # key: value | ||
| # mutualtls: false | ||
| # checkcert: true | ||
| # minimumpriority: "" | ||
| ``` | ||
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| ## Screenshots | ||
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| With Grafana: | ||
|  |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,202 @@ | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| /* | ||
| Copyright (C) 2023 The Falco 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. | ||
| */ | ||
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| package outputs | ||
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| import ( | ||
| "fmt" | ||
| "log" | ||
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| "github.com/falcosecurity/falcosidekick/types" | ||
| ) | ||
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| type QuickwitDynamicMapping struct { | ||
| Description string `json:"description"` | ||
| Fast bool `json:"fast"` | ||
| ExpendDots bool `json:"expand_dots"` | ||
| Indexed bool `json:"indexed"` | ||
| Record string `json:"record"` | ||
| Stored bool `json:"stored"` | ||
| Tokenizer string `json:"tokenizer"` | ||
| } | ||
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| type QuickwitFieldMapping struct { | ||
| Name string `json:"name"` | ||
| Type string `json:"type"` | ||
| Fast bool `json:"fast"` | ||
| } | ||
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| type QuickwitSearchSettings struct { | ||
| DefaultSearchFields []string `json:"default_search_fields"` | ||
| } | ||
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| type QuickwitDocMapping struct { | ||
| DynamicMapping QuickwitDynamicMapping `json:"dynamic_mapping"` | ||
| FieldMappings []QuickwitFieldMapping `json:"field_mappings"` | ||
| Mode string `json:"mode"` | ||
| StoreSource bool `json:"store_source"` | ||
| TimestampField string `json:"timestamp_field"` | ||
| } | ||
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| type QuickwitMappingPayload struct { | ||
| Id string `json:"index_id"` | ||
| Version string `json:"version"` | ||
| SearchSettings QuickwitSearchSettings `json:"search_settings"` | ||
| DocMapping QuickwitDocMapping `json:"doc_mapping"` | ||
| } | ||
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| func (c *Client) checkQuickwitIndexAlreadyExists(args types.InitClientArgs) bool { | ||
| config := args.Config.Quickwit | ||
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| endpointUrl := fmt.Sprintf("%s/%s/indexes/%s/describe", config.HostPort, config.ApiEndpoint, config.Index) | ||
| quickwitCheckClient, err := InitClient("QuickwitCheckAlreadyExists", endpointUrl, config.MutualTLS, config.CheckCert, args) | ||
| if err != nil { | ||
| return false | ||
| } | ||
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| if nil != quickwitCheckClient.sendRequest("GET", "") { | ||
| return false | ||
| } | ||
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| return true | ||
| } | ||
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| func (c *Client) AutoCreateQuickwitIndex(args types.InitClientArgs) error { | ||
| config := args.Config.Quickwit | ||
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| if c.checkQuickwitIndexAlreadyExists(args) { | ||
| return nil | ||
| } | ||
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| endpointUrl := fmt.Sprintf("%s/%s/indexes", config.HostPort, config.ApiEndpoint) | ||
| quickwitInitClient, err := InitClient("QuickwitInit", endpointUrl, config.MutualTLS, config.CheckCert, args) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| mapping := &QuickwitMappingPayload{ | ||
| Id: config.Index, | ||
| Version: config.Version, | ||
| DocMapping: QuickwitDocMapping{ | ||
| Mode: "dynamic", | ||
| StoreSource: true, | ||
| TimestampField: "time", | ||
| DynamicMapping: QuickwitDynamicMapping{ | ||
| Description: "Falco", | ||
| Fast: true, | ||
| ExpendDots: true, | ||
| Indexed: true, | ||
| Stored: true, | ||
| Record: "basic", | ||
| Tokenizer: "raw", | ||
| }, | ||
| FieldMappings: []QuickwitFieldMapping{ | ||
| { | ||
| Name: "time", | ||
| Type: "datetime", | ||
| Fast: true, | ||
| }, | ||
| { | ||
| Name: "uuid", | ||
| Type: "text", | ||
| Fast: true, | ||
| }, | ||
| { | ||
| Name: "hostname", | ||
| Type: "text", | ||
| Fast: true, | ||
| }, | ||
| { | ||
| Name: "priority", | ||
| Type: "text", | ||
| Fast: true, | ||
| }, | ||
| { | ||
| Name: "source", | ||
| Type: "text", | ||
| Fast: true, | ||
| }, | ||
| { | ||
| Name: "output", | ||
| Type: "text", | ||
| }, | ||
| { | ||
| Name: "rule", | ||
| Type: "text", | ||
| Fast: true, | ||
| }, | ||
| { | ||
| Name: "tags", | ||
| Type: "array<text>", | ||
| Fast: true, | ||
| }, | ||
| { | ||
| Name: "output_fields", | ||
| Type: "json", | ||
| Fast: true, | ||
| }, | ||
| }, | ||
| }, | ||
| SearchSettings: QuickwitSearchSettings{ | ||
| DefaultSearchFields: []string{"rule", "source", "output", "priority", "hostname", "tags"}, | ||
| }, | ||
| } | ||
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| if args.Config.Debug { | ||
| log.Printf("[DEBUG] : Quickwit - mapping: %#v\n", mapping) | ||
| } | ||
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| err = quickwitInitClient.Post(mapping) | ||
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| // This error means it's an http 400 (meaning the index already exists, so no need to throw an error) | ||
| if err != nil && err.Error() == "header missing" { | ||
| return nil | ||
| } | ||
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| return err | ||
| } | ||
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| func (c *Client) QuickwitPost(falcopayload types.FalcoPayload) { | ||
| c.Stats.Quickwit.Add(Total, 1) | ||
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| if len(c.Config.Quickwit.CustomHeaders) != 0 { | ||
| c.httpClientLock.Lock() | ||
| defer c.httpClientLock.Unlock() | ||
| for i, j := range c.Config.Quickwit.CustomHeaders { | ||
| c.AddHeader(i, j) | ||
| } | ||
| } | ||
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| if c.Config.Debug { | ||
| log.Printf("[DEBUG] : Quickwit - ingesting payload: %v\n", falcopayload) | ||
| } | ||
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| err := c.Post(falcopayload) | ||
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| if err != nil { | ||
| go c.CountMetric(Outputs, 1, []string{"output:quickwit", "status:error"}) | ||
| c.Stats.Quickwit.Add(Error, 1) | ||
| c.PromStats.Outputs.With(map[string]string{"destination": "quickwit", "status": Error}).Inc() | ||
| log.Printf("[ERROR] : Quickwit - %v\n", err.Error()) | ||
| return | ||
| } | ||
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| // Setting the success status | ||
| go c.CountMetric(Outputs, 1, []string{"output:quickwit", "status:ok"}) | ||
| c.Stats.Quickwit.Add(OK, 1) | ||
| c.PromStats.Outputs.With(map[string]string{"destination": "quickwit", "status": OK}).Inc() | ||
| } |
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