diff options
Diffstat (limited to 'opendc-trace/opendc-trace-wtf/src/main')
3 files changed, 242 insertions, 0 deletions
diff --git a/opendc-trace/opendc-trace-wtf/src/main/kotlin/org/opendc/trace/wtf/WtfTaskTableReader.kt b/opendc-trace/opendc-trace-wtf/src/main/kotlin/org/opendc/trace/wtf/WtfTaskTableReader.kt new file mode 100644 index 00000000..45ec25dd --- /dev/null +++ b/opendc-trace/opendc-trace-wtf/src/main/kotlin/org/opendc/trace/wtf/WtfTaskTableReader.kt @@ -0,0 +1,163 @@ +/* + * Copyright (c) 2021 AtLarge Research + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +package org.opendc.trace.wtf + +import org.apache.avro.Schema +import org.apache.avro.generic.GenericRecord +import org.opendc.trace.* +import org.opendc.trace.util.parquet.LocalParquetReader +import java.time.Duration +import java.time.Instant + +/** + * A [TableReader] implementation for the WTF format. + */ +internal class WtfTaskTableReader(private val reader: LocalParquetReader<GenericRecord>) : TableReader { + /** + * The current record. + */ + private var record: GenericRecord? = null + + /** + * A flag to indicate that the columns have been initialized. + */ + private var hasInitializedColumns = false + + override fun nextRow(): Boolean { + val record = reader.read() + this.record = record + + if (!hasInitializedColumns && record != null) { + initColumns(record.schema) + hasInitializedColumns = true + } + + return record != null + } + + override fun resolve(column: TableColumn<*>): Int = columns[column] ?: -1 + + override fun isNull(index: Int): Boolean { + check(index in 0..columns.size) { "Invalid column index" } + return get(index) == null + } + + override fun get(index: Int): Any? { + val record = checkNotNull(record) { "Reader in invalid state" } + @Suppress("UNCHECKED_CAST") + return when (index) { + COL_ID -> (record[AVRO_COL_ID] as Long).toString() + COL_WORKFLOW_ID -> (record[AVRO_COL_WORKFLOW_ID] as Long).toString() + COL_SUBMIT_TIME -> Instant.ofEpochMilli(record[AVRO_COL_SUBMIT_TIME] as Long) + COL_WAIT_TIME -> Duration.ofMillis(record[AVRO_COL_WAIT_TIME] as Long) + COL_RUNTIME -> Duration.ofMillis(record[AVRO_COL_RUNTIME] as Long) + COL_REQ_NCPUS, COL_GROUP_ID, COL_USER_ID -> getInt(index) + COL_PARENTS -> (record[AVRO_COL_PARENTS] as ArrayList<GenericRecord>).map { it["item"].toString() }.toSet() + COL_CHILDREN -> (record[AVRO_COL_CHILDREN] as ArrayList<GenericRecord>).map { it["item"].toString() }.toSet() + else -> throw IllegalArgumentException("Invalid column") + } + } + + override fun getBoolean(index: Int): Boolean { + throw IllegalArgumentException("Invalid column") + } + + override fun getInt(index: Int): Int { + val record = checkNotNull(record) { "Reader in invalid state" } + + return when (index) { + COL_REQ_NCPUS -> (record[AVRO_COL_REQ_NCPUS] as Double).toInt() + COL_GROUP_ID -> record[AVRO_COL_GROUP_ID] as Int + COL_USER_ID -> record[AVRO_COL_USER_ID] as Int + else -> throw IllegalArgumentException("Invalid column") + } + } + + override fun getLong(index: Int): Long { + throw IllegalArgumentException("Invalid column") + } + + override fun getDouble(index: Int): Double { + throw IllegalArgumentException("Invalid column") + } + + override fun close() { + reader.close() + } + + /** + * Initialize the columns for the reader based on [schema]. + */ + private fun initColumns(schema: Schema) { + try { + AVRO_COL_ID = schema.getField("id").pos() + AVRO_COL_WORKFLOW_ID = schema.getField("workflow_id").pos() + AVRO_COL_SUBMIT_TIME = schema.getField("ts_submit").pos() + AVRO_COL_WAIT_TIME = schema.getField("wait_time").pos() + AVRO_COL_RUNTIME = schema.getField("runtime").pos() + AVRO_COL_REQ_NCPUS = schema.getField("resource_amount_requested").pos() + AVRO_COL_PARENTS = schema.getField("parents").pos() + AVRO_COL_CHILDREN = schema.getField("children").pos() + AVRO_COL_GROUP_ID = schema.getField("group_id").pos() + AVRO_COL_USER_ID = schema.getField("user_id").pos() + } catch (e: NullPointerException) { + // This happens when the field we are trying to access does not exist + throw IllegalArgumentException("Invalid schema", e) + } + } + + private var AVRO_COL_ID = -1 + private var AVRO_COL_WORKFLOW_ID = -1 + private var AVRO_COL_SUBMIT_TIME = -1 + private var AVRO_COL_WAIT_TIME = -1 + private var AVRO_COL_RUNTIME = -1 + private var AVRO_COL_REQ_NCPUS = -1 + private var AVRO_COL_PARENTS = -1 + private var AVRO_COL_CHILDREN = -1 + private var AVRO_COL_GROUP_ID = -1 + private var AVRO_COL_USER_ID = -1 + + private val COL_ID = 0 + private val COL_WORKFLOW_ID = 1 + private val COL_SUBMIT_TIME = 2 + private val COL_WAIT_TIME = 3 + private val COL_RUNTIME = 4 + private val COL_REQ_NCPUS = 5 + private val COL_PARENTS = 6 + private val COL_CHILDREN = 7 + private val COL_GROUP_ID = 8 + private val COL_USER_ID = 9 + + private val columns = mapOf( + TASK_ID to COL_ID, + TASK_WORKFLOW_ID to COL_WORKFLOW_ID, + TASK_SUBMIT_TIME to COL_SUBMIT_TIME, + TASK_WAIT_TIME to COL_WAIT_TIME, + TASK_RUNTIME to COL_RUNTIME, + TASK_REQ_NCPUS to COL_REQ_NCPUS, + TASK_PARENTS to COL_PARENTS, + TASK_CHILDREN to COL_CHILDREN, + TASK_GROUP_ID to COL_GROUP_ID, + TASK_USER_ID to COL_USER_ID, + ) +} diff --git a/opendc-trace/opendc-trace-wtf/src/main/kotlin/org/opendc/trace/wtf/WtfTraceFormat.kt b/opendc-trace/opendc-trace-wtf/src/main/kotlin/org/opendc/trace/wtf/WtfTraceFormat.kt new file mode 100644 index 00000000..ef88d295 --- /dev/null +++ b/opendc-trace/opendc-trace-wtf/src/main/kotlin/org/opendc/trace/wtf/WtfTraceFormat.kt @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2021 AtLarge Research + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +package org.opendc.trace.wtf + +import org.apache.avro.generic.GenericRecord +import org.opendc.trace.* +import org.opendc.trace.spi.TableDetails +import org.opendc.trace.spi.TraceFormat +import org.opendc.trace.util.parquet.LocalParquetReader +import java.nio.file.Path + +/** + * A [TraceFormat] implementation for the Workflow Trace Format (WTF). + */ +public class WtfTraceFormat : TraceFormat { + override val name: String = "wtf" + + override fun create(path: Path) { + throw UnsupportedOperationException("Writing not supported for this format") + } + + override fun getTables(path: Path): List<String> = listOf(TABLE_TASKS) + + override fun getDetails(path: Path, table: String): TableDetails { + return when (table) { + TABLE_TASKS -> TableDetails( + listOf( + TASK_ID, + TASK_WORKFLOW_ID, + TASK_SUBMIT_TIME, + TASK_WAIT_TIME, + TASK_RUNTIME, + TASK_REQ_NCPUS, + TASK_PARENTS, + TASK_CHILDREN, + TASK_GROUP_ID, + TASK_USER_ID + ), + listOf(TASK_SUBMIT_TIME) + ) + else -> throw IllegalArgumentException("Table $table not supported") + } + } + + override fun newReader(path: Path, table: String): TableReader { + return when (table) { + TABLE_TASKS -> { + val reader = LocalParquetReader<GenericRecord>(path.resolve("tasks/schema-1.0")) + WtfTaskTableReader(reader) + } + else -> throw IllegalArgumentException("Table $table not supported") + } + } + + override fun newWriter(path: Path, table: String): TableWriter { + throw UnsupportedOperationException("Writing not supported for this format") + } +} diff --git a/opendc-trace/opendc-trace-wtf/src/main/resources/META-INF/services/org.opendc.trace.spi.TraceFormat b/opendc-trace/opendc-trace-wtf/src/main/resources/META-INF/services/org.opendc.trace.spi.TraceFormat new file mode 100644 index 00000000..32da52ff --- /dev/null +++ b/opendc-trace/opendc-trace-wtf/src/main/resources/META-INF/services/org.opendc.trace.spi.TraceFormat @@ -0,0 +1 @@ +org.opendc.trace.wtf.WtfTraceFormat |