- Improve the "shutdownController.sh" script.
- Set names for the Prometheus and Grafana containers. - Code polishing.
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@ -4,6 +4,7 @@ services:
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prometheus:
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image: 'prom/prometheus:latest'
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container_name: prometheus
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ports:
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- '9090:9090'
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command: '--config.file=/etc/prometheus/config.yml'
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@ -12,6 +13,7 @@ services:
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grafana:
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image: 'grafana/grafana:latest'
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container_name: grafana
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ports:
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- '3000:3000'
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depends_on:
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@ -1,7 +1,10 @@
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echo "Running compose down.."
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sudo docker compose -f ./prometheus/docker-compose-prometheus.yml down
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sudo docker compose -f docker-compose.yml -f ./prometheus/docker-compose-prometheus.yml down
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# This script shuts down (ONLY!) the Controller, by stopping and killing the related containers.
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# It is used during testing.
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# It does not shuts down the whole service! The workers will keep running and their work will be lost.
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echo "Running compose down.."
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sudo docker compose -f docker-compose.yml down
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sudo docker compose -f ./prometheus/docker-compose-prometheus.yml down
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# In case we need to hard-remove the containers, use the following commands:
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#sudo docker stop $(sudo docker ps -aqf "name=^(?:urlscontroller-urls_controller|prometheus-(?:prometheus|grafana))-1$") || true # There may be no active containers
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@ -4,8 +4,8 @@ import org.springframework.http.ResponseEntity;
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public interface StatsService {
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ResponseEntity<?> getNumberOfPayloads(String getPayloadsNumberQuery, String extraMsg, int retryNum);
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ResponseEntity<?> getNumberOfPayloads(String getPayloadsNumberQuery, String extraMsg, int retryCount);
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ResponseEntity<?> getNumberOfRecordsInspectedByServiceThroughCrawling(int retryNum);
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ResponseEntity<?> getNumberOfRecordsInspectedByServiceThroughCrawling(int retryCount);
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}
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@ -24,10 +24,10 @@ public class StatsServiceImpl implements StatsService {
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// Thus, we need to have an "error-detection-and-retry" mechanism, in order to avoid returning error that we know will exist in certain times and we can overcome them.
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// The final time-to-return of the results-retrieval methods may be somewhat large, but the alternative of returning predictable errors or locking the DB and slowing down the aggregation system are even worse.
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public ResponseEntity<?> getNumberOfPayloads(String getNumberQuery, String message, int retryNum)
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public ResponseEntity<?> getNumberOfPayloads(String getNumberQuery, String message, int retryCount)
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{
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if ( retryNum > 10 ) {
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String errorMsg = "Could not find the requested payload-type table in an non-merging state, after " + retryNum + " retries!";
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if ( retryCount > 10 ) {
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String errorMsg = "Could not find the requested payload-type table in an non-merging state, after " + retryCount + " retries!";
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logger.error(errorMsg);
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return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorMsg);
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}
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@ -46,7 +46,7 @@ public class StatsServiceImpl implements StatsService {
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String exMsg = e.getMessage();
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if ( (exMsg != null) && (exMsg.contains("Could not resolve table reference") || exMsg.contains("Failed to open HDFS file")) ) {
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sleep1min();
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return getNumberOfPayloads(getNumberQuery, message, (++retryNum));
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return getNumberOfPayloads(getNumberQuery, message, (++retryCount));
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}
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String errorMsg = "Problem when executing \"getNumberQuery\": " + getNumberQuery;
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logger.error(errorMsg, e);
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@ -56,10 +56,10 @@ public class StatsServiceImpl implements StatsService {
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}
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public ResponseEntity<?> getNumberOfRecordsInspectedByServiceThroughCrawling(int retryNum)
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public ResponseEntity<?> getNumberOfRecordsInspectedByServiceThroughCrawling(int retryCount)
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{
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if ( retryNum > 10 ) {
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String errorMsg = "Could not find the requested attempt table in an non-merging state, after " + retryNum + " retries!";
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if ( retryCount > 10 ) {
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String errorMsg = "Could not find the requested attempt table in an non-merging state, after " + retryCount + " retries!";
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logger.error(errorMsg);
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return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorMsg);
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}
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@ -84,7 +84,7 @@ public class StatsServiceImpl implements StatsService {
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String exMsg = e.getMessage();
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if ( (exMsg != null) && (exMsg.contains("Could not resolve table reference") || exMsg.contains("Failed to open HDFS file")) ) {
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sleep1min();
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return getNumberOfRecordsInspectedByServiceThroughCrawling(++retryNum);
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return getNumberOfRecordsInspectedByServiceThroughCrawling(++retryCount);
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}
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String errorMsg = "Problem when executing \"getInspectedRecordsNumberQuery\": " + getInspectedRecordsNumberQuery;
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logger.error(errorMsg, e);
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@ -170,7 +170,7 @@ public class UrlsServiceImpl implements UrlsService {
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assignment.setAssignmentsBatchCounter(curAssignmentsBatchCounter);
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assignment.setTimestamp(timestamp);
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Datasource datasource = new Datasource();
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try { // For each of the 4 columns returned. The indexing starts from 1
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try { // For each of the 4 columns returned, do the following. The column-indexing starts from 1
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assignment.setId(rs.getString(1));
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assignment.setOriginalUrl(rs.getString(2));
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datasource.setId(rs.getString(3));
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