prosody-modules
48132b6e1b16
mod_pubsub_alertmanager/mod_pubsub_alertmanager.lua

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mod_pubsub_alertmanager/mod_pubsub_alertmanager.lua @ 4618:48132b6e1b16

mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub For integration with other things as pubsub subscribers.
author Kim Alvefur <zash@zash.se>
date Wed, 09 Jun 2021 01:14:46 +0200
parent 4552:mod_pubsub_post/mod_pubsub_post.lua@c87181a98f29
child 4619:b11001bd915d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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";
43c54a27bab2 mod_pubsub_post: Module to publish to pubsub nodes from a simple HTTP POST
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2 local json = require "util.json";
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3 local uuid_generate = require "util.uuid".generate;
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4
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5 module:depends("http");
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6
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7 local pubsub_service = module:depends("pubsub").service;
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8
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9 local error_mapping = {
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10 ["forbidden"] = 403;
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11 ["item-not-found"] = 404;
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12 ["internal-server-error"] = 500;
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13 ["conflict"] = 409;
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14 };
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15
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16 local function publish_payload(node, actor, item_id, payload)
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17 local post_item = st.stanza("item", { xmlns = "http://jabber.org/protocol/pubsub", id = item_id, })
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18 :add_child(payload);
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19 local ok, err = pubsub_service:publish(node, actor, item_id, post_item);
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20 module:log("debug", ":publish(%q, true, %q, %s) -> %q", node, item_id, payload:top_tag(), err or "");
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21 if not ok then
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22 return error_mapping[err] or 500;
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23 end
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24 return 202;
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25 end
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26
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27 function handle_POST(event, path)
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28 local request = event.request;
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29
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30 local payload = json.decode(event.request.body);
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31 if type(payload) ~= "table" then return 400; end
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32 if payload.version ~= "4" then return 501; end
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33
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34 for _, alert in ipairs(payload.alerts) do
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35 local item = st.stanza("alerts", {xmlns = "urn:uuid:e3bec775-c607-4e9b-9a3f-94de1316d861:v4", status=alert.status});
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36 for k, v in pairs(alert.annotations) do
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37 item:text_tag("annotation", v, { name=k });
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38 end
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39 for k, v in pairs(alert.labels) do
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40 item:text_tag("label", v, { name=k });
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41 end
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42 item:tag("starts", { at = alert.startsAt}):up();
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43 if alert.endsAt then
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44 item:tag("ends", { at = alert.endsAt }):up();
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45 end
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46 if alert.generatorURL then
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47 item:tag("link", { href=alert.generatorURL }):up();
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48 end
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49
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50 local ret = publish_payload(path, request.ip, uuid_generate(), item);
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51 if ret ~= 202 then
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52 return ret
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53 end
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54 end
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55 return 202;
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56 end
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57
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58 module:provides("http", {
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59 route = {
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60 ["POST /*"] = handle_POST;
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61 };
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62 });