Mercurial > prosody-modules
view mod_pubsub_alertmanager/mod_pubsub_alertmanager.lua @ 4656:4eb684ab440c
mod_spam_reporting: Handle unknown or future report types
An unrecognised value in the 'reason' attribute would have caused an error.
This change makes it mirror the behavior for the previous XEP version.
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 25 Aug 2021 15:05:56 +0200 |
parents | adda872fa9e1 |
children | 67190744b1eb |
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local st = require "util.stanza"; local json = require "util.json"; local filters = { --[[ TODO what's useful? ]] }; local render = require "util.interpolation".new("%b{}", tostring, filters); local uuid_generate = require "util.uuid".generate; -- TODO alertmanager supports inclusion of HTTP auth and OAuth, worth looking -- into for using instead of request IP module:depends("http"); local pubsub_service = module:depends("pubsub").service; local error_mapping = { ["forbidden"] = 403; ["item-not-found"] = 404; ["internal-server-error"] = 500; ["conflict"] = 409; }; local function publish_payload(node, actor, item_id, payload) local post_item = st.stanza("item", { xmlns = "http://jabber.org/protocol/pubsub", id = item_id, }) :add_child(payload); local ok, err = pubsub_service:publish(node, actor, item_id, post_item); module:log("debug", ":publish(%q, true, %q, %s) -> %q", node, item_id, payload:top_tag(), err or ""); if not ok then return error_mapping[err] or 500; end return 202; end local node_template = module:get_option_string("alertmanager_node_template", "{path?alerts}"); function handle_POST(event, path) local request = event.request; local payload = json.decode(event.request.body); if type(payload) ~= "table" then return 400; end if payload.version ~= "4" then return 501; end for _, alert in ipairs(payload.alerts) do local item = st.stanza("alerts", {xmlns = "urn:uuid:e3bec775-c607-4e9b-9a3f-94de1316d861:v4", status=alert.status}); for k, v in pairs(alert.annotations) do item:text_tag("annotation", v, { name=k }); end for k, v in pairs(alert.labels) do item:text_tag("label", v, { name=k }); end item:tag("starts", { at = alert.startsAt}):up(); if alert.endsAt and alert.status == "resolved" then item:tag("ends", { at = alert.endsAt }):up(); end if alert.generatorURL then item:tag("link", { href=alert.generatorURL }):up(); end local node = render(node_template, {alert = alert, path = path, payload = payload, request = request}); local ret = publish_payload(node, request.ip, uuid_generate(), item); if ret ~= 202 then return ret end end return 202; end local template = module:get_option_string("alertmanager_body_template", [[ *ALARM!* Status: {status} Starts at: {startsAt}{endsAt& Ends at: {endsAt}} Labels: {labels% {idx}: {item}} Annotations: {annotations% {idx}: {item}} ]]); module:hook("pubsub-summary/urn:uuid:e3bec775-c607-4e9b-9a3f-94de1316d861:v4", function(event) local payload = event.payload; local data = { status = payload.attr.status, firing = "firing" == payload.attr.status, resolved = "resolved" == payload.attr.status, annotations = {}, labels = {}, endsAt = payload:find("ends/@at"), startsAt = payload:find("starts/@at"), }; for label in payload:childtags("label") do data.labels[tostring(label.attr.name)] = label:get_text(); end for annotation in payload:childtags("annotation") do data.annotations[tostring(annotation.attr.name)] = annotation:get_text(); end return render(template, data); end); module:provides("http", { route = { ["POST /*"] = handle_POST; ["POST"] = handle_POST; }; });