prosody-modules: mod_pubsub_alertmanager/mod_pubsub

annotate mod_pubsub_alertmanager/mod_pubsub_alertmanager.lua @ 4627:adda872fa9e1

mod_pubsub_alertmanager: Include status booleans in template input For easier conditionals, e.g. {firing&oh no} or {resolved&okay then}

author	Kim Alvefur <zash@zash.se>
date	Sun, 18 Jul 2021 00:21:35 +0200
parents	285efde5e8a5
children	67190744b1eb

rev	line source
1619 43c54a27bab2 mod_pubsub_post: Module to publish to pubsub nodes from a simple HTTP POST Matthew Wild <mwild1@gmail.com> parents: diff changeset	1 local st = require "util.stanza";
43c54a27bab2 mod_pubsub_post: Module to publish to pubsub nodes from a simple HTTP POST Matthew Wild <mwild1@gmail.com> parents: diff changeset	2 local json = require "util.json";
4625 f7e26c43a9bc mod_pubsub_alertmanager: Add TODOs Kim Alvefur <zash@zash.se> parents: 4621 diff changeset	3 local filters = { --[[ TODO what's useful? ]] };
4619 b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	4 local render = require "util.interpolation".new("%b{}", tostring, filters);
1619 43c54a27bab2 mod_pubsub_post: Module to publish to pubsub nodes from a simple HTTP POST Matthew Wild <mwild1@gmail.com> parents: diff changeset	5 local uuid_generate = require "util.uuid".generate;
4618 48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	6
4625 f7e26c43a9bc mod_pubsub_alertmanager: Add TODOs Kim Alvefur <zash@zash.se> parents: 4621 diff changeset	7 -- TODO alertmanager supports inclusion of HTTP auth and OAuth, worth looking
f7e26c43a9bc mod_pubsub_alertmanager: Add TODOs Kim Alvefur <zash@zash.se> parents: 4621 diff changeset	8 -- into for using instead of request IP
f7e26c43a9bc mod_pubsub_alertmanager: Add TODOs Kim Alvefur <zash@zash.se> parents: 4621 diff changeset	9
4618 48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	10 module:depends("http");
1619 43c54a27bab2 mod_pubsub_post: Module to publish to pubsub nodes from a simple HTTP POST Matthew Wild <mwild1@gmail.com> parents: diff changeset	11
43c54a27bab2 mod_pubsub_post: Module to publish to pubsub nodes from a simple HTTP POST Matthew Wild <mwild1@gmail.com> parents: diff changeset	12 local pubsub_service = module:depends("pubsub").service;
43c54a27bab2 mod_pubsub_post: Module to publish to pubsub nodes from a simple HTTP POST Matthew Wild <mwild1@gmail.com> parents: diff changeset	13
3014 72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	14 local error_mapping = {
72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	15 ["forbidden"] = 403;
72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	16 ["item-not-found"] = 404;
72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	17 ["internal-server-error"] = 500;
72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	18 ["conflict"] = 409;
72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	19 };
72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	20
3017 8e48c0b233e0 mod_pubsub_post: Factor out the 'actor' into an argument Kim Alvefur <zash@zash.se> parents: 3016 diff changeset	21 local function publish_payload(node, actor, item_id, payload)
3014 72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	22 local post_item = st.stanza("item", { xmlns = "http://jabber.org/protocol/pubsub", id = item_id, })
72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	23 :add_child(payload);
3017 8e48c0b233e0 mod_pubsub_post: Factor out the 'actor' into an argument Kim Alvefur <zash@zash.se> parents: 3016 diff changeset	24 local ok, err = pubsub_service:publish(node, actor, item_id, post_item);
3014 72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	25 module:log("debug", ":publish(%q, true, %q, %s) -> %q", node, item_id, payload:top_tag(), err or "");
72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	26 if not ok then
72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	27 return error_mapping[err] or 500;
72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	28 end
72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	29 return 202;
72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	30 end
1619 43c54a27bab2 mod_pubsub_post: Module to publish to pubsub nodes from a simple HTTP POST Matthew Wild <mwild1@gmail.com> parents: diff changeset	31
4621 ebc2c099a11b mod_pubsub_alertmanager: Allow templating the pubsub node to publish to Kim Alvefur <zash@zash.se> parents: 4620 diff changeset	32 local node_template = module:get_option_string("alertmanager_node_template", "{path?alerts}");
ebc2c099a11b mod_pubsub_alertmanager: Allow templating the pubsub node to publish to Kim Alvefur <zash@zash.se> parents: 4620 diff changeset	33
3014 72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	34 function handle_POST(event, path)
72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	35 local request = event.request;
72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	36
4618 48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	37 local payload = json.decode(event.request.body);
48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	38 if type(payload) ~= "table" then return 400; end
48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	39 if payload.version ~= "4" then return 501; end
3501 1df139b157fb mod_pubsub_post: Add support for WebSub authentication Kim Alvefur <zash@zash.se> parents: 3255 diff changeset	40
4618 48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	41 for _, alert in ipairs(payload.alerts) do
48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	42 local item = st.stanza("alerts", {xmlns = "urn:uuid:e3bec775-c607-4e9b-9a3f-94de1316d861:v4", status=alert.status});
48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	43 for k, v in pairs(alert.annotations) do
48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	44 item:text_tag("annotation", v, { name=k });
48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	45 end
48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	46 for k, v in pairs(alert.labels) do
48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	47 item:text_tag("label", v, { name=k });
48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	48 end
48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	49 item:tag("starts", { at = alert.startsAt}):up();
4626 285efde5e8a5 mod_pubsub_alertmanager: Exclude "ends at" timestamp for unresolved alerts Kim Alvefur <zash@zash.se> parents: 4625 diff changeset	50 if alert.endsAt and alert.status == "resolved" then
4618 48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	51 item:tag("ends", { at = alert.endsAt }):up();
48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	52 end
48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	53 if alert.generatorURL then
48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	54 item:tag("link", { href=alert.generatorURL }):up();
48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	55 end
3255 64d1dfbd1740 mod_pubsub_post: Ensure actor is non-nil (catch inability to determine IP or simliar) Kim Alvefur <zash@zash.se> parents: 3254 diff changeset	56
4621 ebc2c099a11b mod_pubsub_alertmanager: Allow templating the pubsub node to publish to Kim Alvefur <zash@zash.se> parents: 4620 diff changeset	57 local node = render(node_template, {alert = alert, path = path, payload = payload, request = request});
ebc2c099a11b mod_pubsub_alertmanager: Allow templating the pubsub node to publish to Kim Alvefur <zash@zash.se> parents: 4620 diff changeset	58 local ret = publish_payload(node, request.ip, uuid_generate(), item);
4618 48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	59 if ret ~= 202 then
48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	60 return ret
48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	61 end
3014 72dbc9b66de8 mod_pubsub_post: Change to support arbitrary XML payloads Kim Alvefur <zash@zash.se> parents: 3013 diff changeset	62 end
4618 48132b6e1b16 mod_pubsub_alertmanager: Publish Alertmanager alerts into pubsub Kim Alvefur <zash@zash.se> parents: 4552 diff changeset	63 return 202;
1619 43c54a27bab2 mod_pubsub_post: Module to publish to pubsub nodes from a simple HTTP POST Matthew Wild <mwild1@gmail.com> parents: diff changeset	64 end
43c54a27bab2 mod_pubsub_post: Module to publish to pubsub nodes from a simple HTTP POST Matthew Wild <mwild1@gmail.com> parents: diff changeset	65
4620 9b253cce7d88 mod_pubsub_alertmanager: Allow configuring template for <body> rendering Kim Alvefur <zash@zash.se> parents: 4619 diff changeset	66 local template = module:get_option_string("alertmanager_body_template", [[
4619 b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	67 ALARM!
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	68 Status: {status}
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	69 Starts at: {startsAt}{endsAt&
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	70 Ends at: {endsAt}}
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	71 Labels: {labels%
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	72 {idx}: {item}}
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	73 Annotations: {annotations%
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	74 {idx}: {item}}
4620 9b253cce7d88 mod_pubsub_alertmanager: Allow configuring template for <body> rendering Kim Alvefur <zash@zash.se> parents: 4619 diff changeset	75 ]]);
4619 b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	76
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	77 module:hook("pubsub-summary/urn:uuid:e3bec775-c607-4e9b-9a3f-94de1316d861:v4", function(event)
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	78 local payload = event.payload;
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	79
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	80 local data = {
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	81 status = payload.attr.status,
4627 adda872fa9e1 mod_pubsub_alertmanager: Include status booleans in template input Kim Alvefur <zash@zash.se> parents: 4626 diff changeset	82 firing = "firing" == payload.attr.status,
adda872fa9e1 mod_pubsub_alertmanager: Include status booleans in template input Kim Alvefur <zash@zash.se> parents: 4626 diff changeset	83 resolved = "resolved" == payload.attr.status,
4619 b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	84 annotations = {},
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	85 labels = {},
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	86 endsAt = payload:find("ends/@at"),
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	87 startsAt = payload:find("starts/@at"),
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	88 };
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	89 for label in payload:childtags("label") do
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	90 data.labels[tostring(label.attr.name)] = label:get_text();
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	91 end
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	92 for annotation in payload:childtags("annotation") do
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	93 data.annotations[tostring(annotation.attr.name)] = annotation:get_text();
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	94 end
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	95
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	96 return render(template, data);
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	97 end);
b11001bd915d mod_pubsub_alertmanager: Add a plain text summary Kim Alvefur <zash@zash.se> parents: 4618 diff changeset	98
1619 43c54a27bab2 mod_pubsub_post: Module to publish to pubsub nodes from a simple HTTP POST Matthew Wild <mwild1@gmail.com> parents: diff changeset	99 module:provides("http", {
43c54a27bab2 mod_pubsub_post: Module to publish to pubsub nodes from a simple HTTP POST Matthew Wild <mwild1@gmail.com> parents: diff changeset	100 route = {
43c54a27bab2 mod_pubsub_post: Module to publish to pubsub nodes from a simple HTTP POST Matthew Wild <mwild1@gmail.com> parents: diff changeset	101 ["POST /*"] = handle_POST;
4621 ebc2c099a11b mod_pubsub_alertmanager: Allow templating the pubsub node to publish to Kim Alvefur <zash@zash.se> parents: 4620 diff changeset	102 ["POST"] = handle_POST;
1619 43c54a27bab2 mod_pubsub_post: Module to publish to pubsub nodes from a simple HTTP POST Matthew Wild <mwild1@gmail.com> parents: diff changeset	103 };
43c54a27bab2 mod_pubsub_post: Module to publish to pubsub nodes from a simple HTTP POST Matthew Wild <mwild1@gmail.com> parents: diff changeset	104 });

Mercurial > prosody-modules

annotate mod_pubsub_alertmanager/mod_pubsub_alertmanager.lua @ 4627:adda872fa9e1