add leidinggevenden consumer

This commit is contained in:
Boris De Vloed
2022-11-30 14:56:36 +00:00
parent d2f49fef61
commit e1fdde7010
5 changed files with 404 additions and 1 deletions

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@@ -0,0 +1,25 @@
const BATCH_SIZE = parseInt(process.env.BATCH_SIZE) || 100;
const MU_CALL_SCOPE_ID_INITIAL_SYNC = process.env.MU_CALL_SCOPE_ID_INITIAL_SYNC || 'http://redpencil.data.gift/id/concept/muScope/deltas/consumer/initialSync';
const BYPASS_MU_AUTH_FOR_EXPENSIVE_QUERIES = process.env.BYPASS_MU_AUTH_FOR_EXPENSIVE_QUERIES == 'true' ? true : false;
const DIRECT_DATABASE_ENDPOINT = process.env.DIRECT_DATABASE_ENDPOINT || 'http://virtuoso:8890/sparql';
const MAX_DB_RETRY_ATTEMPTS = parseInt(process.env.MAX_DB_RETRY_ATTEMPTS || 5);
const SLEEP_BETWEEN_BATCHES = parseInt(process.env.SLEEP_BETWEEN_BATCHES || 1000);
const SLEEP_TIME_AFTER_FAILED_DB_OPERATION = parseInt(process.env.SLEEP_TIME_AFTER_FAILED_DB_OPERATION || 60000);
const INGEST_GRAPH = process.env.INGEST_GRAPH || `http://mu.semte.ch/graphs/public`;
if(!process.env.FILE_SYNC_GRAPH)
throw `Expected 'FILE_SYNC_GRAPH' to be provided.`;
const FILE_SYNC_GRAPH = process.env.FILE_SYNC_GRAPH;
module.exports = {
BATCH_SIZE,
MU_CALL_SCOPE_ID_INITIAL_SYNC,
BYPASS_MU_AUTH_FOR_EXPENSIVE_QUERIES,
DIRECT_DATABASE_ENDPOINT,
MAX_DB_RETRY_ATTEMPTS,
SLEEP_BETWEEN_BATCHES,
SLEEP_TIME_AFTER_FAILED_DB_OPERATION,
INGEST_GRAPH,
FILE_SYNC_GRAPH
};

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@@ -0,0 +1,126 @@
const { transformStatements, batchedDbUpdate, partition } = require('./util');
const { BYPASS_MU_AUTH_FOR_EXPENSIVE_QUERIES,
DIRECT_DATABASE_ENDPOINT,
MU_CALL_SCOPE_ID_INITIAL_SYNC,
BATCH_SIZE,
MAX_DB_RETRY_ATTEMPTS,
SLEEP_BETWEEN_BATCHES,
SLEEP_TIME_AFTER_FAILED_DB_OPERATION,
INGEST_GRAPH,
FILE_SYNC_GRAPH
} = require('./config');
/**
* Dispatch the fetched information to a target graph.
* Note: <share://file/data> will be ADDED to it's own graph.
* We take only care of adding them, not updating triples, this is a TODO
* @param { mu, muAuthSudo } lib - The provided libraries from the host service.
* @param { termObjectChangeSets: { deletes, inserts } } data - The fetched changes sets, which objects of serialized Terms
* [ {
* graph: "<http://foo>",
* subject: "<http://bar>",
* predicate: "<http://baz>",
* object: "<http://boom>^^<http://datatype>"
* }
* ]
* @return {void} Nothing
*/
async function dispatch(lib, data) {
const { mu, muAuthSudo, fetch } = lib;
const { termObjectChangeSets } = data;
for (let { deletes, inserts } of termObjectChangeSets) {
const deletePartitions = partition(deletes, o => o.subject.startsWith('<share://'));
const regularDeletes = deletePartitions.fails;
const fileDeletes = deletePartitions.passes;
const fileDeleteStatements = fileDeletes.map(o => `${o.subject} ${o.predicate} ${o.object}.`);
const deleteStatements = regularDeletes.map(o => `${o.subject} ${o.predicate} ${o.object}.`);
if (deleteStatements.length) {
await transformStatements(fetch, deleteStatements).then(
transformedStatements => {
batchedDbUpdate(
muAuthSudo.updateSudo,
INGEST_GRAPH,
transformedStatements,
{ 'mu-call-scope-id': 'http://redpencil.data.gift/id/concept/muScope/deltas/write-for-dispatch' },
process.env.MU_SPARQL_ENDPOINT, //Note: this is the default endpoint through auth
BATCH_SIZE,
MAX_DB_RETRY_ATTEMPTS,
SLEEP_BETWEEN_BATCHES,
SLEEP_TIME_AFTER_FAILED_DB_OPERATION,
"DELETE"
);
}
)
}
if (fileDeleteStatements.length) {
await transformStatements(fetch, fileDeleteStatements).then(
transformedStatements => {
batchedDbUpdate(
muAuthSudo.updateSudo,
FILE_SYNC_GRAPH,
transformedStatements,
{ 'mu-call-scope-id': 'http://redpencil.data.gift/id/concept/muScope/deltas/write-for-dispatch' },
process.env.MU_SPARQL_ENDPOINT, //Note: this is the default endpoint through auth
BATCH_SIZE,
MAX_DB_RETRY_ATTEMPTS,
SLEEP_BETWEEN_BATCHES,
SLEEP_TIME_AFTER_FAILED_DB_OPERATION,
"DELETE"
);
}
)
}
const insertPartitions = partition(inserts, o => o.subject.startsWith('<share://'));
const regularInserts = insertPartitions.fails;
const fileInserts = insertPartitions.passes;
const regularInsertStatements = regularInserts.map(o => `${o.subject} ${o.predicate} ${o.object}.`);
const fileInsertStatements = fileInserts.map(o => `${o.subject} ${o.predicate} ${o.object}.`);
if (regularInsertStatements.length) {
await transformStatements(fetch, regularInsertStatements).then(
transformedStatements => {
batchedDbUpdate(
muAuthSudo.updateSudo,
INGEST_GRAPH,
transformedStatements,
{},
process.env.MU_SPARQL_ENDPOINT, //Note: this is the default endpoint through auth
BATCH_SIZE,
MAX_DB_RETRY_ATTEMPTS,
SLEEP_BETWEEN_BATCHES,
SLEEP_TIME_AFTER_FAILED_DB_OPERATION,
"INSERT"
);
}
)
}
if (fileInsertStatements.length) {
await transformStatements(fetch, fileInsertStatements).then(
transformedStatements => {
batchedDbUpdate(
muAuthSudo.updateSudo,
FILE_SYNC_GRAPH,
transformedStatements,
{},
process.env.MU_SPARQL_ENDPOINT,
BATCH_SIZE,
MAX_DB_RETRY_ATTEMPTS,
SLEEP_BETWEEN_BATCHES,
SLEEP_TIME_AFTER_FAILED_DB_OPERATION,
"INSERT"
);
}
)
}
}
}
module.exports = {
dispatch
};

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@@ -0,0 +1,84 @@
const { transformStatements, batchedDbUpdate, partition } = require('./util');
const { BYPASS_MU_AUTH_FOR_EXPENSIVE_QUERIES,
DIRECT_DATABASE_ENDPOINT,
MU_CALL_SCOPE_ID_INITIAL_SYNC,
BATCH_SIZE,
MAX_DB_RETRY_ATTEMPTS,
SLEEP_BETWEEN_BATCHES,
SLEEP_TIME_AFTER_FAILED_DB_OPERATION,
INGEST_GRAPH,
FILE_SYNC_GRAPH
} = require('./config');
const endpoint = BYPASS_MU_AUTH_FOR_EXPENSIVE_QUERIES ? DIRECT_DATABASE_ENDPOINT : process.env.MU_SPARQL_ENDPOINT;
/**
* Dispatch the fetched information to a target graph.
* @param { mu, muAuthSudo } lib - The provided libraries from the host service.
* @param { termObjects } data - The fetched quad information, which objects of serialized Terms
* [ {
* graph: "<http://foo>",
* subject: "<http://bar>",
* predicate: "<http://baz>",
* object: "<http://boom>^^<http://datatype>"
* }
* ]
* @return {void} Nothing
*/
async function dispatch(lib, data) {
const { mu, muAuthSudo, fetch } = lib;
const { termObjects } = data;
const partitions = partition(termObjects, o => o.subject.startsWith('<share://'));
const regularInserts = partitions.fails;
const fileInserts = partitions.passes;
if (BYPASS_MU_AUTH_FOR_EXPENSIVE_QUERIES) {
console.warn(`Service configured to skip MU_AUTH!`);
}
console.log(`Using ${endpoint} to insert triples`);
if (regularInserts.length) {
originalRegularInsertTriples = regularInserts.map(o => `${o.subject} ${o.predicate} ${o.object}.`)
await transformStatements(fetch, originalRegularInsertTriples).then(
transformedRegularInsertTriples => {
// console.log(transformedRegularInsertTriples);
batchedDbUpdate(
muAuthSudo.updateSudo,
INGEST_GRAPH,
transformedRegularInsertTriples,
{ 'mu-call-scope-id': MU_CALL_SCOPE_ID_INITIAL_SYNC },
endpoint,
BATCH_SIZE,
MAX_DB_RETRY_ATTEMPTS,
SLEEP_BETWEEN_BATCHES,
SLEEP_TIME_AFTER_FAILED_DB_OPERATION
)
}
)
}
if (fileInserts.length) {
originalFileInsertTriples = fileInserts.map(o => `${o.subject} ${o.predicate} ${o.object}.`)
await transformStatements(fetch, originalFileInsertTriples).then(
transformedFileInsertTriples => {
// console.log(transformedFileInsertTriples);
batchedDbUpdate(
muAuthSudo.updateSudo,
FILE_SYNC_GRAPH,
transformedFileInsertTriples,
{ 'mu-call-scope-id': MU_CALL_SCOPE_ID_INITIAL_SYNC },
endpoint,
BATCH_SIZE,
MAX_DB_RETRY_ATTEMPTS,
SLEEP_BETWEEN_BATCHES,
SLEEP_TIME_AFTER_FAILED_DB_OPERATION
)
}
)
}
}
module.exports = {
dispatch
};

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@@ -0,0 +1,137 @@
async function batchedDbUpdate(muUpdate,
graph,
triples,
extraHeaders,
endpoint,
batchSize,
maxAttempts,
sleepBetweenBatches = 1000,
sleepTimeOnFail = 1000,
operation = 'INSERT'
) {
for (let i = 0; i < triples.length; i += batchSize) {
console.log(`Inserting triples in batch: ${i}-${i + batchSize}`);
const batch = triples.slice(i, i + batchSize).join('\n');
const insertCall = async () => {
await muUpdate(`
${operation} DATA {
GRAPH <${graph}> {
${batch}
}
}
`, extraHeaders, endpoint);
};
await dbOperationWithRetry(insertCall, 0, maxAttempts, sleepTimeOnFail);
console.log(`Sleeping before next query execution: ${sleepBetweenBatches}`);
await new Promise(r => setTimeout(r, sleepBetweenBatches));
}
}
async function dbOperationWithRetry(callback,
attempt,
maxAttempts,
sleepTimeOnFail) {
try {
return await callback();
}
catch (e) {
console.log(`Operation failed for ${callback.toString()}, attempt: ${attempt} of ${maxAttempts}`);
console.log(`Error: ${e}`);
console.log(`Sleeping ${sleepTimeOnFail} ms`);
if (attempt >= maxAttempts) {
console.log(`Max attempts reached for ${callback.toString()}, giving up`);
throw e;
}
await new Promise(r => setTimeout(r, sleepTimeOnFail));
return dbOperationWithRetry(callback, ++attempt, maxAttempts, sleepTimeOnFail);
}
}
/**
* Splits an array into two parts, a part that passes and a part that fails a predicate function.
* Credits: https://github.com/benjay10
* @public
* @function partition
* @param {Array} arr - Array to be partitioned
* @param {Function} fn - Function that accepts single argument: an element of the array, and should return a truthy or falsy value.
* @returns {Object} Object that contains keys passes and fails, each representing an array with elemets that pass or fail the predicate respectively
*/
function partition(arr, fn) {
let passes = [], fails = [];
arr.forEach((item) => (fn(item) ? passes : fails).push(item));
return { passes, fails };
}
/**
* Send triples to reasoning service for conversion
*
*/
function transformGraph(fetch, triples) {
return preProcess(fetch, triples)
.then(preprocessed => mainConversion(fetch, preprocessed));
}
function preProcess(fetch, triples) {
let formdata = new URLSearchParams();
formdata.append("data", triples);
let requestOptions = {
method: 'POST',
body: formdata,
redirect: 'follow'
};
// console.log('!!! Input\n' + triples)
return fetch("http://reasoner/reason/dl2op/preprocess", requestOptions)
.then(response => response.text())
// .then(result => {
// console.log(`!!! PREPROCESS\n${result}`)
// return result
// })
.catch(error => console.log('error', error));
}
function mainConversion(fetch, triples) {
let formdata = new URLSearchParams();
formdata.append("data", triples);
let requestOptions = {
method: 'POST',
body: formdata,
redirect: 'follow'
};
return fetch("http://reasoner/reason/dl2op/main", requestOptions)
.then(response => response.text())
// .then(result => {
// console.log(`!!! MAIN\n${result}`)
// return result
// })
.catch(error => console.log('error', error));
}
function transformStatements(fetch, triples) {
return transformGraph(fetch, triples.join('\n')).then(
graph => {
statements = graph.replace(/\n{2,}/g, '').split('\n')
console.log(`CONVERSION: FROM ${triples.length} triples to ${statements.length}`)
return statements
}
)
}
module.exports = {
batchedDbUpdate,
partition,
transformStatements
};

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@@ -407,7 +407,10 @@ services:
################################################################################
# DELTA CONSUMERS
################################################################################
mandatendatabank-consumer:
################################################################################
# LOKET MANDATEN CONSUMERS
################################################################################
mandaten-consumer:
image: bdevloed/delta-consumer:fetch
environment:
DCR_SERVICE_NAME: "mandatendatabank-consumer"
@@ -432,6 +435,34 @@ services:
- triplestore:virtuoso
logging: *default-logging
################################################################################
# LOKET LEIDINGGEVENDEN CONSUMERS
################################################################################
leidinggevenden-consumer:
image: bdevloed/delta-consumer:fetch
environment:
DCR_SERVICE_NAME: "leidinggevenden-consumer"
DCR_SYNC_BASE_URL: "https://loket.lblod.info" # replace with link to Loket API
DCR_SYNC_DATASET_SUBJECT: "http://data.lblod.info/datasets/delta-producer/dumps/LeidinggevendenCacheGraphDump"
DCR_INITIAL_SYNC_JOB_OPERATION: "http://redpencil.data.gift/id/jobs/concept/JobOperation/deltas/consumer/initialSync/leidinggevenden"
DCR_DELTA_SYNC_JOB_OPERATION: "http://redpencil.data.gift/id/jobs/concept/JobOperation/deltas/consumer/deltaSync/leidinggevenden"
DCR_JOB_CREATOR_URI: "http://data.lblod.info/services/id/leidinggevenden-consumer"
INGEST_GRAPH: "http://mu.semte.ch/graphs/organisatieportaal"
# DISABLE_INITIAL_SYNC: "true"
BYPASS_MU_AUTH_FOR_EXPENSIVE_QUERIES: "true"
DCR_SYNC_FILES_PATH: "/sync/leidinggevenden/files"
FILE_SYNC_GRAPH: "http://mu.semte.ch/graphs/temp/original-physical-files-data"
KEEP_DELTA_FILES: "true"
volumes:
- ./config/loket-consumer/leidinggevenden-dispatching:/config/triples-dispatching/custom-dispatching
restart: always
labels:
- "logging=true"
links:
- db:database
- triplestore:virtuoso
logging: *default-logging
################################################################################
# DELTA CONSUMERS: END
################################################################################