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import { RStreamsSdk } from "../index";
import moment from "moment";
import util from "./reference";
import { ReadEvent } from "./types";
const logger = require('leo-logger')('event-trace');
export interface EventTraceOptions {
queue: string;
eid: string;
children?: string[];
}
export interface TraceReadEvent extends ReadEvent<any> {
kinesis_number: any;
lag: number;
label: any;
type: string;
server_id: string;
}
export async function trace(sdk: RStreamsSdk, statsTableName: string, options: EventTraceOptions) {
let ls = sdk.streams;
let dynamodb = sdk.aws.dynamodb;
let queue = util.ref(options.queue).toString();
let id = options.eid;
Iif (options.children) {
let children = options.children;//.split(/,/);
let results = {};
logger.debug("With children", queue, prevId(id))
return await new Promise((resolve, reject) => {
ls.pipe(
ls.fromLeo("test", queue, {
start: prevId(id),
limit: 1,
}),
ls.write(function (readEvent, done) {
let event = readEvent as TraceReadEvent;
let correlation = {
start: event.eid || event.kinesis_number,
timestamp: moment(event.timestamp),
source: util.ref(event.event).id
};
async.doWhilst((done) => {
let [bot_id, queue_id] = children.splice(0, 2).map((n, i) => util.ref(n, i == 0 && "bot"));
searchCorrelationId(sdk, statsTableName, queue_id, bot_id, correlation, (err, event) => {
if (err) {
logger.log("Error Searching for Correlation Id", err);
return done(err);
}
if (event) {
results[bot_id.toString()] = {
checkpoint: event.eid || event.kinesis_number,
lag: event.timestamp - event.event_source_timestamp,
};
results[queue_id.toString()] = {
payload: event.payload,
lag: event.timestamp - event.event_source_timestamp,
checkpoint: event.eid || event.kinesis_number
};
correlation = {
start: event.eid || event.kinesis_number,
timestamp: moment(event.timestamp),
source: util.ref(event.event).id
};
} else {
results[bot_id.toString()] = results[bot_id.toString()] || {};
results[queue_id.toString()] = results[queue_id.toString()] || {};
}
done();
});
}, () => {
return children.length > 0;
}, (err) => {
done(err);
});
}), function (err) {
if (err) {
reject(err);
} else {
resolve(results);
}
}
);
});
} else {
let bots = {};
let queues = {};
let botLookup = {};
return new Promise((resolve, reject) => {
dynamodb.query({
TableName: sdk.configuration.resources.LeoCron,
"ReturnConsumedCapacity": 'TOTAL'
}, {
method: "scan",
mb: 10
}).then((data) => {
let crons = data.Items;
crons.forEach((cron) => {
let botId = util.refId(cron.id, "bot");
Eif (cron.checkpoints) {
botLookup[botId] = util.fixBotReferences(cron, {
checkpoints: true
});
Object.keys(cron?.checkpoints?.read || {}).forEach((key) => {
let queue = util.refId(key);
if (!(queue in queues)) {
queues[queue] = {
parents: [],
children: []
};
}
queues[queue].children.push(botId);
if (!(botId in bots)) {
bots[botId] = {
parents: [],
children: []
}
}
bots[botId].parents.push(queue);
});
Object.keys(cron?.checkpoints?.write || {}).forEach((key) => {
let queue = util.refId(key);
if (!(queue in queues)) {
queues[queue] = {
parents: [],
children: []
}
}
queues[queue].parents.push(botId);
if (!(botId in bots)) {
bots[botId] = {
parents: [],
children: []
}
}
bots[botId].children.push(queue);
});
}
});
let parents = [];
let current = {
queue: queue,
id: id
};
let seen = {};
let targetEvent = null;
async.doWhilst((done) => {
logger.debug("doWhilst", current.queue, current.id, prevId(current.id));
let gotEvent = false;
ls.pipe(
ls.fromLeo("test", current.queue, {
start: prevId(current.id),
limit: 1,
}),
ls.write(function (readEvent, done) {
let event = readEvent as TraceReadEvent;
gotEvent = true;
let botId = util.refId(event.id, "bot");
Iif (seen[botId]) {
current = null;
done();
return;
}
seen[botId] = 1;
if (!targetEvent) {
targetEvent = event;
}
let b = {
id: botId,
server_id: botId,
type: "bot",
label: botLookup[botId].name
};
let eRef = util.ref(event.event);
event.id = eRef.refId(); //util.botRefId(event.id);
event.event = eRef.refId();
event.server_id = event.id;
event.type = "queue";
event.label = eRef.id;
event.lag = moment(event.timestamp).diff(event.event_source_timestamp);
event.kinesis_number = event.eid || event.kinesis_number;
parents.unshift(event);
parents.unshift(b);
Eif (event.correlation_id && event.correlation_id.start != undefined) {
current = {
id: event.correlation_id.start,
queue: util.ref(event.correlation_id.source).toString()
};
} else {
current = null;
}
done();
}), function (err) {
if (!gotEvent) {
current = null;
}
done(err);
});
}, () => {
return current !== null;
}, (err) => {
Iif (err) {
reject(err);
return;
}
let seen = {};
function children(queue, id, force = false) {
Iif (seen[queue]) {
return {};
}
seen[queue] = 1;
let kids = {};
queues[queue].children.forEach((bot) => {
let checkpoint = (botLookup[bot].checkpoints && botLookup[bot].checkpoints.read[queue]) || {};
let lag = checkpoint.source_timestamp ? moment(checkpoint.source_timestamp).diff(targetEvent.event_source_timestamp) : null;
let has_processed = checkpoint.checkpoint > id || false;
kids[bot] = {
id: bot,
server_id: bot,
type: 'bot',
label: botLookup[bot].name,
has_processed: has_processed,
lag: !has_processed ? lag : 0,
checkpoint: checkpoint,
children: {}
};
if (force || has_processed) {
bots[bot].children.map((q_id) => {
kids[bot].children[q_id] = {
id: q_id,
label: q_id,
server_id: q_id,
lag: null,
type: 'queue',
event: null,
children: children(q_id, id, force || has_processed)
};
});
}
});
return kids;
}
resolve({
parents: parents.slice(0, -1),
event: targetEvent,
children: children(queue, id)
});
});
}).catch(reject);
})
}
}
function prevId(id) {
return id.slice(0, -1) + (id.slice(-1) == "0" ? ' ' : id.slice(-1) - 1);
}
function searchCorrelationId(sdk: RStreamsSdk, statsTableName: string, queue_id, bot_id, correlation, callback) {
let dynamodb = sdk.aws.dynamodb;
let ls = sdk.streams;
logger.debug("Search Correlation Id:", bot_id.refId())
dynamodb.docClient.query({
TableName: statsTableName,
KeyConditionExpression: "#id = :id and #bucket >= :bucket",
ExpressionAttributeNames: {
"#bucket": "bucket",
"#id": "id"
},
Limit: 14 * 24,
ExpressionAttributeValues: {
":bucket": statsBuckets.data.hour.transform(correlation.timestamp.clone()),
":id": bot_id.refId()
},
"ReturnConsumedCapacity": 'TOTAL'
}, (err, result) => {
if (err) {
callback(err);
return;
}
let found = null;
let source = util.ref(correlation.source).queue().refId();
for (let i = 0; i < result.Items.length; i++) {
let stat = result.Items[i];
logger.debug(stat.bucket, stat.current.read[source] && stat.current.read[source].checkpoint, correlation.start)
if (stat.current.read[source] && stat.current.read[source].checkpoint >= correlation.start) {
found = stat;
break;
}
}
if (!found) {
return callback();
}
let timestamp = moment(found.time);
dynamodb.docClient.query({
TableName: statsTableName,
KeyConditionExpression: "#id = :id and #bucket >= :bucket",
ExpressionAttributeNames: {
"#bucket": "bucket",
"#id": "id"
},
Limit: 60,
ExpressionAttributeValues: {
":bucket": statsBuckets.data.minute_1.transform(timestamp),
":id": bot_id.refId()
},
"ReturnConsumedCapacity": 'TOTAL'
}, (err, result) => {
if (err) {
return callback(err);
}
let found = null;
for (let i = 0; i < result.Items.length; i++) {
let stat = result.Items[i];
logger.debug(stat.bucket, stat.current.read[source] && stat.current.read[source].checkpoint, correlation.start)
if (stat.current.read[source] && stat.current.read[source].checkpoint >= correlation.start) {
found = stat;
break;
}
}
if (!found) {
//return callback();
}
let timestamp = moment(found.time);
if (correlation.timestamp > timestamp) {
timestamp = correlation.timestamp;
}
found = null;
let start = timestamp.format("[z/]YYYY/MM/DD/HH/mm/ss");
let shouldContinue = true;
logger.debug("Searching Events", queue_id.refId(), start)
ls.pipe(
ls.fromLeo("test", queue_id, {
start: start,
maxOverride: timestamp.clone().add(1, "m").format("[z/]YYYY/MM/DD/HH/mm/ss"),
fast_s3_read: true
}),
ls.write(function (readEvent, done) {
let e = readEvent as TraceReadEvent;
if (!shouldContinue) {
logger.debug("Should stop")
return done();
}
e.kinesis_number = e.eid || e.kinesis_number;
if (
(e.correlation_id.end && correlation.start <= e.correlation_id.end && correlation.start >= e.correlation_id.start) ||
e.correlation_id.start == correlation.start
) {
found = e;
shouldContinue = false;
done();
} else {
done();
}
}), (err) => {
callback(err, found);
});
});
});
}
const bucketsData = {
"minute_1": {
period: "minute",
prefix: "minute_",
transform: function (timestamp) {
return "minute_" + timestamp.clone().utc().startOf("minute").format("YYYY-MM-DD HH:mm");
},
value: function (timestamp) {
return timestamp.clone().utc().startOf("minute");
},
prev: function (timestamp, amount) {
return moment(timestamp).utc().subtract((amount || 1), "minutes");
},
next: function (timestamp, amount) {
return moment(timestamp).utc().add((amount || 1), "minutes");
},
parent: "minute_5",
duration: {
m: 1
},
defaultContainer: "minute",
defaultContainerInterval: 6 * 5
},
"minute_5": {
period: "minute_5",
prefix: "minute_5_",
transform: function (timestamp) {
let offset = (timestamp.utc().minute() + 5) % 5;
return "minute_5_" + timestamp.clone().utc().subtract(offset, "minutes").startOf("minute").format("YYYY-MM-DD HH:mm");
},
value: function (timestamp) {
let offset = (timestamp.utc().minute() + 5) % 5;
return timestamp.clone().utc().subtract(offset, "minutes").startOf("minute");
},
prev: function (timestamp, amount) {
return moment(timestamp).utc().subtract(5 * (amount || 1), "minutes");
},
next: function (timestamp, amount) {
return moment(timestamp).utc().add(5 * (amount || 1), "minutes");
},
parent: "minute_15",
duration: {
m: 5
},
defaultContainer: "minute",
defaultContainerInterval: 6 * 15
},
"minute_15": {
period: "minute_15",
prefix: "minute_15_",
transform: function (timestamp) {
let offset = (timestamp.utc().minute() + 15) % 15;
return "minute_15_" + timestamp.clone().utc().subtract(offset, "minutes").startOf("minute").format("YYYY-MM-DD HH:mm");
},
value: function (timestamp) {
let offset = (timestamp.utc().minute() + 15) % 15;
return timestamp.clone().utc().subtract(offset, "minutes").startOf("minute");
},
prev: function (timestamp, amount) {
return moment(timestamp).utc().subtract(15 * (amount || 1), "minutes");
},
next: function (timestamp, amount) {
return moment(timestamp).utc().add(15 * (amount || 1), "minutes");
},
parent: "hour",
duration: {
m: 15
},
defaultContainer: "hour",
defaultContainerInterval: 6
},
"hour": {
period: "hour",
prefix: "hour_",
transform: function (timestamp) {
return "hour_" + timestamp.clone().utc().startOf("hour").format("YYYY-MM-DD HH");
},
value: function (timestamp) {
return timestamp.clone().utc().startOf("hour");
},
prev: function (timestamp, amount) {
return moment(timestamp).utc().subtract((amount || 1), "hour");
},
next: function (timestamp, amount) {
return moment(timestamp).utc().add((amount || 1), "hour");
},
parent: "day",
duration: {
h: 1
},
defaultContainer: "hour",
defaultContainerInterval: 30
},
"day": {
period: "day",
prefix: "day_",
transform: function (timestamp) {
return "day_" + timestamp.clone().utc().startOf("day").format("YYYY-MM-DD");
},
value: function (timestamp) {
return timestamp.clone().utc().startOf("day");
},
prev: function (timestamp, amount) {
return moment(timestamp).utc().subtract((amount || 1), "day");
},
next: function (timestamp, amount) {
return moment(timestamp).utc().add((amount || 1), "day");
},
parent: "week",
duration: {
d: 1
},
defaultContainer: "day",
defaultContainerInterval: 30
},
"week": {
period: "week",
prefix: "week_",
transform: function (timestamp) {
return "week_" + timestamp.clone().utc().startOf("week").format("YYYY-MM-DD");
},
value: function (timestamp) {
return timestamp.clone().utc().startOf("week");
},
prev: function (timestamp, amount) {
return moment(timestamp).utc().subtract((amount || 1), "week");
},
next: function (timestamp, amount) {
return moment(timestamp).utc().add((amount || 1), "week");
},
parent: null,
duration: {
w: 1
},
defaultContainer: "week",
defaultContainerInterval: 30
}
};
const ranges = {
"minute": {
period: "minute_1",
count: 1,
startOf: (timestamp) => timestamp.clone().startOf("minute")
},
"minute_1": {
period: "minute_1",
count: 1,
startOf: (timestamp) => timestamp.clone().startOf("minute")
},
"minute_5": {
period: "minute_1",
count: 5,
startOf: (timestamp) => {
let offset = (timestamp.utc().minute() + 5) % 5;
return timestamp.clone().subtract(offset, "minutes").startOf("minute");
}
},
"minute_15": {
period: "minute_1",
count: 15,
startOf: (timestamp) => {
let offset = (timestamp.minute() + 15) % 15;
return timestamp.clone().subtract(offset, "minutes").startOf("minute");
}
},
"hour": {
period: "hour",
count: 1,
startOf: (timestamp) => timestamp.clone().startOf("hour"),
rolling: {
period: "minute_15",
count: 4
}
},
"hour_6": {
period: "hour",
count: 6,
startOf: (timestamp) => timestamp.clone().startOf("hour"),
},
"day": {
period: "hour",
count: 24,
startOf: (timestamp) => timestamp.clone().startOf("day")
},
"week": {
period: "hour",
count: 168,
startOf: (timestamp) => timestamp.clone().startOf("week")
}
};
const statsBuckets = {
data: bucketsData,
ranges: ranges
};
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