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mod_pubsub_alertmanager/mod_pubsub_alertmanager.lua @ 5271:3a1df3adad0c
mod_http_oauth2: Allow user to decide which requested scopes to grant
These should at the very least be shown to the user, so they can decide
whether to grant them.
Considered whether to filter the requested scopes down to actually
understood scopes that would be granted, but decided that this was a bit
complex for a first step, since role role selection and other kinds of
scopes are mixed into the same field here.
author | Kim Alvefur <zash@zash.se> |
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date | Thu, 23 Mar 2023 16:28:08 +0100 |
parent | 4627:adda872fa9e1 |
child | 5485:67190744b1eb |
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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; }; });