Mercurial > prosody-modules

annotate mod_pubsub_alertmanager/mod_pubsub_alertmanager.lua @ 5265:f845c218e52c

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mod_http_oauth2: Allow revoking a token without OAuth client credentials If you have a valid token, and you're not supposed to have it, revoking it seems the most responsible thing to do with it, so it should be allowed, while if you are supposed to have it, you should also be allowed to revoke it.
author Kim Alvefur <zash@zash.se>
date Tue, 21 Mar 2023 22:02:38 +0100
parents adda872fa9e1
children 67190744b1eb
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rev   line source
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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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12 local pubsub_service = module:depends("pubsub").service;
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13
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72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads
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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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8e48c0b233e0 mod_pubsub_post: Factor out the 'actor' into an argument
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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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ebc2c099a11b mod_pubsub_alertmanager: Allow templating the pubsub node to publish to
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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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285efde5e8a5 mod_pubsub_alertmanager: Exclude "ends at" timestamp for unresolved alerts
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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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43c54a27bab2 mod_pubsub_post: Module to publish to pubsub nodes from a simple HTTP POST
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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 });