prosody-modules
dc0f502c12f1
mod_pubsub_alertmanager/mod_pubsub_alertmanager.lua

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mod_pubsub_alertmanager/mod_pubsub_alertmanager.lua @ 5213:dc0f502c12f1

mod_http_oauth2: Fix authorization code logic I have no idea what it did before or if it even worked. RFC 6749 section 4.1.2 says: > A maximum authorization code lifetime of 10 minutes is RECOMMENDED. So this should prevent use of codes older than 10 minutes and remove them from the cache some time after they expire.
author Kim Alvefur <zash@zash.se>
date Mon, 06 Mar 2023 16:49:43 +0100
parent 4627:adda872fa9e1
child 5485:67190744b1eb
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43c54a27bab2 mod_pubsub_post: Module to publish to pubsub nodes from a simple HTTP POST
Matthew Wild <mwild1@gmail.com>
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1 local st = require "util.stanza";
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2 local json = require "util.json";
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3 local filters = { --[[ TODO what's useful? ]] };
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4 local render = require "util.interpolation".new("%b{}", tostring, filters);
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5 local uuid_generate = require "util.uuid".generate;
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6
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7 -- TODO alertmanager supports inclusion of HTTP auth and OAuth, worth looking
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8 -- into for using instead of request IP
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9
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10 module:depends("http");
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11
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12 local pubsub_service = module:depends("pubsub").service;
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13
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14 local error_mapping = {
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15 ["forbidden"] = 403;
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16 ["item-not-found"] = 404;
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17 ["internal-server-error"] = 500;
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18 ["conflict"] = 409;
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19 };
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20
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21 local function publish_payload(node, actor, item_id, payload)
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22 local post_item = st.stanza("item", { xmlns = "http://jabber.org/protocol/pubsub", id = item_id, })
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23 :add_child(payload);
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24 local ok, err = pubsub_service:publish(node, actor, item_id, post_item);
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25 module:log("debug", ":publish(%q, true, %q, %s) -> %q", node, item_id, payload:top_tag(), err or "");
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26 if not ok then
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27 return error_mapping[err] or 500;
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28 end
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29 return 202;
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30 end
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31
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32 local node_template = module:get_option_string("alertmanager_node_template", "{path?alerts}");
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33
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34 function handle_POST(event, path)
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35 local request = event.request;
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36
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37 local payload = json.decode(event.request.body);
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38 if type(payload) ~= "table" then return 400; end
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39 if payload.version ~= "4" then return 501; end
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40
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41 for _, alert in ipairs(payload.alerts) do
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42 local item = st.stanza("alerts", {xmlns = "urn:uuid:e3bec775-c607-4e9b-9a3f-94de1316d861:v4", status=alert.status});
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43 for k, v in pairs(alert.annotations) do
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44 item:text_tag("annotation", v, { name=k });
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45 end
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46 for k, v in pairs(alert.labels) do
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47 item:text_tag("label", v, { name=k });
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48 end
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49 item:tag("starts", { at = alert.startsAt}):up();
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50 if alert.endsAt and alert.status == "resolved" then
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51 item:tag("ends", { at = alert.endsAt }):up();
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52 end
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53 if alert.generatorURL then
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54 item:tag("link", { href=alert.generatorURL }):up();
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55 end
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56
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57 local node = render(node_template, {alert = alert, path = path, payload = payload, request = request});
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58 local ret = publish_payload(node, request.ip, uuid_generate(), item);
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59 if ret ~= 202 then
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60 return ret
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61 end
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62 end
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63 return 202;
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64 end
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65
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66 local template = module:get_option_string("alertmanager_body_template", [[
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67 *ALARM!*
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68 Status: {status}
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69 Starts at: {startsAt}{endsAt&
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70 Ends at: {endsAt}}
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71 Labels: {labels%
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72 {idx}: {item}}
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73 Annotations: {annotations%
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74 {idx}: {item}}
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75 ]]);
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76
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77 module:hook("pubsub-summary/urn:uuid:e3bec775-c607-4e9b-9a3f-94de1316d861:v4", function(event)
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78 local payload = event.payload;
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79
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80 local data = {
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81 status = payload.attr.status,
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82 firing = "firing" == payload.attr.status,
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83 resolved = "resolved" == payload.attr.status,
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84 annotations = {},
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85 labels = {},
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86 endsAt = payload:find("ends/@at"),
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87 startsAt = payload:find("starts/@at"),
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88 };
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89 for label in payload:childtags("label") do
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90 data.labels[tostring(label.attr.name)] = label:get_text();
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91 end
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92 for annotation in payload:childtags("annotation") do
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93 data.annotations[tostring(annotation.attr.name)] = annotation:get_text();
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94 end
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95
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96 return render(template, data);
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97 end);
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98
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99 module:provides("http", {
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100 route = {
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101 ["POST /*"] = handle_POST;
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102 ["POST"] = handle_POST;
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103 };
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104 });