Merge branch 'feature/mongodb-migration' of github.com:atlarge-research/opendc-dev into feature/mongodb-migration

10 files changed, 0 insertions, 1394 deletions

diff --git a/database/Dockerfile b/database/Dockerfile
deleted file mode 100644
index e30aed51..00000000
--- a/database/Dockerfile
+++ /dev/null
@@ -1,8 +0,0 @@
-FROM mariadb:10.1
-MAINTAINER Fabian Mastenbroek <f.s.mastenbroek@student.tudelft.nl>
-
-# Import schema into database
-ADD schema.sql /docker-entrypoint-initdb.d
-
-# Add test data into database
-#ADD test.sql /docker-entrypoint-initdb.d
diff --git a/database/README.md b/database/README.md
deleted file mode 100644
index 9fba2d5c..00000000
--- a/database/README.md
+++ /dev/null
@@ -1,13 +0,0 @@
-# OpenDC Database
-
-To rebuild the database at a location (or in this directory if none is specified):
-
-```bash
-python rebuild-database.py "path/to/database/directory"
-```
-
-To view a table in the database:
-
-```bash
-python view-table.py "path/to/database/directory" table_name
-```
diff --git a/database/gwf_converter/gwf_converter.py b/database/gwf_converter/gwf_converter.py
deleted file mode 100644
index 902bd93f..00000000
--- a/database/gwf_converter/gwf_converter.py
+++ /dev/null
@@ -1,115 +0,0 @@
-import os
-import sys
-
-import mysql.connector as mariadb
-
-
-class Job:
-    def __init__(self, gwf_id):
-        self.gwf_id = gwf_id
-        self.db_id = -1
-        self.tasks = []
-
-
-class Task:
-    def __init__(self, gwf_id, job, submit_time, run_time, num_processors, dependency_gwf_ids):
-        self.gwf_id = gwf_id
-        self.job = job
-        self.submit_time = submit_time
-        self.run_time = run_time
-        self.cores = num_processors
-        self.flops = 4000 * run_time * num_processors
-        self.dependency_gwf_ids = dependency_gwf_ids
-        self.db_id = -1
-        self.dependencies = []
-
-
-def get_jobs_from_gwf_file(file_name):
-    jobs = {}
-    tasks = {}
-
-    with open(file_name, "r") as f:
-        # Skip first CSV header line
-        f.readline()
-
-        for line in f:
-            if line.startswith("#") or len(line.strip()) == 0:
-                continue
-
-            values = [col.strip() for col in line.split(",")]
-            cast_values = [int(values[i]) for i in range(len(values) - 1)]
-            job_id, task_id, submit_time, run_time, num_processors, req_num_processors = cast_values
-            dependency_gwf_ids = [int(val) for val in values[-1].split(" ") if val != ""]
-
-            if job_id not in jobs:
-                jobs[job_id] = Job(job_id)
-
-            new_task = Task(task_id, jobs[job_id], submit_time, run_time, num_processors, dependency_gwf_ids)
-            tasks[task_id] = new_task
-            jobs[job_id].tasks.append(new_task)
-
-    for task in tasks.values():
-        for dependency_gwf_id in task.dependency_gwf_ids:
-            if dependency_gwf_id in tasks:
-                task.dependencies.append(tasks[dependency_gwf_id])
-
-    return jobs.values()
-
-
-def write_to_db(conn, trace_name, jobs):
-    cursor = conn.cursor()
-
-    trace_id = execute_insert_query(conn, cursor, "INSERT INTO traces (name) VALUES ('%s')" % trace_name)
-
-    for job in jobs:
-        job.db_id = execute_insert_query(conn, cursor, "INSERT INTO jobs (name, trace_id) VALUES ('%s',%d)"
-                                         % ("Job %d" % job.gwf_id, trace_id))
-
-        for task in job.tasks:
-            task.db_id = execute_insert_query(conn, cursor,
-                                              "INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) "
-                                              "VALUES (%d,%d,%d,%d)"
-                                              % (task.submit_time, task.flops, task.cores, job.db_id))
-
-    for job in jobs:
-        for task in job.tasks:
-            for dependency in task.dependencies:
-                execute_insert_query(conn, cursor, "INSERT INTO task_dependencies (first_task_id, second_task_id) "
-                                                   "VALUES (%d,%d)"
-                                     % (dependency.db_id, task.db_id))
-
-def execute_insert_query(conn, cursor, sql):
-    try:
-        cursor.execute(sql)
-    except mariadb.Error as error:
-        print("SQL Error: {}".format(error))
-
-    conn.commit()
-    return cursor.lastrowid
-
-
-def main(trace_path):
-    trace_name = sys.argv[2] if (len(sys.argv) > 2) else \
-        os.path.splitext(os.path.basename(trace_path))[0]
-    gwf_jobs = get_jobs_from_gwf_file(trace_path)
-
-    host = os.environ.get('PERSISTENCE_HOST','localhost')
-    user = os.environ.get('PERSISTENCE_USER','opendc')
-    password = os.environ.get('PERSISTENCE_PASSWORD','opendcpassword')
-    database = os.environ.get('PERSISTENCE_DATABASE','opendc')
-    conn = mariadb.connect(host=host, user=user, password=password, database=database)
-    write_to_db(conn, trace_name, gwf_jobs)
-    conn.close()
-
-
-if __name__ == "__main__":
-    if len(sys.argv) < 2:
-        sys.exit("Usage: %s file [name]" % sys.argv[0])
-
-    if sys.argv[1] in ("-a", "--all"):
-        for f in os.listdir("traces"):
-            if f.endswith(".gwf"):
-                print("Converting {}".format(f))
-                main(os.path.join("traces", f))
-    else:
-        main(sys.argv[1])
diff --git a/database/gwf_converter/requirements.txt b/database/gwf_converter/requirements.txt
deleted file mode 100644
index 0eaebf12..00000000
--- a/database/gwf_converter/requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
-mysql
diff --git a/database/gwf_converter/traces/default.gwf b/database/gwf_converter/traces/default.gwf
deleted file mode 100644
index b1c55a17..00000000
--- a/database/gwf_converter/traces/default.gwf
+++ /dev/null
@@ -1,6 +0,0 @@
-WorkflowID, JobID , SubmitTime , RunTime , NProcs , ReqNProcs , Dependencies
-0         , 1     , 1          , 1       , 1      , 1, 5 4 3
-0         , 2     , 2          , 2       , 2      , 2, 3
-0         , 3     , 3          , 3       , 3      , 3, 5
-0         , 4     , 4          , 4       , 4      , 4,
-0         , 5     , 5          , 5       , 5      , 5,
diff --git a/database/rebuild-database.py b/database/rebuild-database.py
deleted file mode 100644
index 0cbeb27a..00000000
--- a/database/rebuild-database.py
+++ /dev/null
@@ -1,32 +0,0 @@
-import os
-import sqlite3
-import sys
-
-sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0)
-
-try:
-    BASE_DIR = directory_name=sys.argv[1]
-except:
-    BASE_DIR = os.path.dirname(os.path.abspath(__file__))
-db_location = os.path.join(BASE_DIR, 'opendc.db')
-
-if os.path.exists(db_location):
-    print "Removing old database..."
-    os.remove(db_location)
-
-print "Connecting to new database..."
-conn = sqlite3.connect(db_location)
-c = conn.cursor()
-
-print "Importing schema..."
-with open('schema.sql') as schema:
-    c.executescript(schema.read())
-
-print "Importing test data..."
-with open('test.sql') as test:
-    c.executescript(test.read())
-
-conn.commit()
-conn.close()
-
-print "Done."
diff --git a/database/rebuild.bat b/database/rebuild.bat
deleted file mode 100644
index c0f38da1..00000000
--- a/database/rebuild.bat
+++ /dev/null
@@ -1,3 +0,0 @@
-del database.db
-sqlite3 database.db < schema.sql
-sqlite3 database.db < test.sql
\ No newline at end of file
diff --git a/database/schema.sql b/database/schema.sql
deleted file mode 100644
index f6286260..00000000
--- a/database/schema.sql
+++ /dev/null
@@ -1,818 +0,0 @@
--- Tables referred to in foreign key constraints are defined after the constraints are defined
-SET FOREIGN_KEY_CHECKS = 0;
-
-/*
-*   A user is identified by their google_id, which the server gets by authenticating with Google.
-*/
-
--- Users
-DROP TABLE IF EXISTS users;
-CREATE TABLE users (
-  id          INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  google_id   TEXT                    NOT NULL,
-  email       TEXT,
-  given_name  TEXT,
-  family_name TEXT
-);
-
-/*
-*   The authorizations table defines which users are authorized to "OWN", "EDIT", or "VIEW" a simulation. The
-*   authorization_level table defines the permission levels.
-*/
-
--- User authorizations
-DROP TABLE IF EXISTS authorizations;
-CREATE TABLE authorizations (
-  user_id             INTEGER     NOT NULL,
-  simulation_id       INTEGER     NOT NULL,
-  authorization_level VARCHAR(50) NOT NULL,
-
-  FOREIGN KEY (user_id) REFERENCES users (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (simulation_id) REFERENCES simulations (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (authorization_level) REFERENCES authorization_levels (level)
-);
-
-CREATE UNIQUE INDEX authorizations_index
-  ON authorizations (
-    user_id,
-    simulation_id
-  );
-
--- Authorization levels
-DROP TABLE IF EXISTS authorization_levels;
-CREATE TABLE authorization_levels (
-  level VARCHAR(50) PRIMARY KEY        NOT NULL
-);
-INSERT INTO authorization_levels (level) VALUES ('OWN');
-INSERT INTO authorization_levels (level) VALUES ('EDIT');
-INSERT INTO authorization_levels (level) VALUES ('VIEW');
-
-/*
-*   A Simulation has several Paths, which define the topology of the datacenter at different times. A Simulation also
-*   has several Experiments, which can be run on a combination of Paths, Schedulers and Traces. Simulations also serve
-*   as the scope to which different Users can be Authorized.
-*
-*   The datetime_created and datetime_last_edited columns are in a subset of ISO-8601 (second fractions are ommitted): 
-*   YYYY-MM-DDTHH:MM:SS, where...
-*       -   YYYY is the four-digit year,
-*       -   MM is the two-digit month (1-12)
-*       -   DD is the two-digit day of the month (1-31)
-*       -   HH is the two-digit hours part (0-23)
-*       -   MM is the two-digit minutes part (0-59)
-*       -   SS is the two-digit seconds part (0-59)
-*/
-
--- Simulation
-DROP TABLE IF EXISTS simulations;
-CREATE TABLE simulations (
-  id                   INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  datetime_created     VARCHAR(50)             NOT NULL CHECK (datetime_created LIKE '____-__-__T__:__:__'),
-  datetime_last_edited VARCHAR(50)             NOT NULL CHECK (datetime_last_edited LIKE '____-__-__T__:__:__'),
-  name                 VARCHAR(50)             NOT NULL
-);
-
-/*
-*   An Experiment consists of a Path, a Scheduler, and a Trace. The Path defines the topology of the datacenter at
-*   different times in the simulation. The Scheduler defines which scheduler to use to simulate this experiment. The
-*   Trace defines which tasks have to be run in the simulation.
-*/
-
-DROP TABLE IF EXISTS experiments;
-CREATE TABLE experiments (
-  id                  INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  simulation_id       INTEGER                 NOT NULL,
-  path_id             INTEGER                 NOT NULL,
-  trace_id            INTEGER                 NOT NULL,
-  scheduler_name      VARCHAR(50)             NOT NULL,
-  name                TEXT                    NOT NULL,
-  state               TEXT                    NOT NULL,
-  last_simulated_tick INTEGER                 NOT NULL DEFAULT 0 CHECK (last_simulated_tick >= 0),
-
-  FOREIGN KEY (simulation_id) REFERENCES simulations (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (path_id) REFERENCES paths (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (trace_id) REFERENCES traces (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (scheduler_name) REFERENCES schedulers (name)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
-/*
-*   A Simulation has several Paths, which each contain Sections. A Section details which Datacenter topology to use
-*   starting at which point in time (known internally as a "tick"). So, combining the several Sections in a Path
-*   tells us which Datacenter topology to use at each tick.
-*/
-
--- Path
-DROP TABLE IF EXISTS paths;
-CREATE TABLE paths (
-  id               INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  simulation_id    INTEGER                 NOT NULL,
-  name             TEXT,
-  datetime_created VARCHAR(50)             NOT NULL CHECK (datetime_created LIKE '____-__-__T__:__:__'),
-
-  FOREIGN KEY (simulation_id) REFERENCES simulations (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
--- Sections
-DROP TABLE IF EXISTS sections;
-CREATE TABLE sections (
-  id            INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  path_id       INTEGER                 NOT NULL,
-  datacenter_id INTEGER                 NOT NULL,
-  start_tick    INTEGER                 NOT NULL CHECK (start_tick >= 0),
-
-  FOREIGN KEY (path_id) REFERENCES paths (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (datacenter_id) REFERENCES datacenters (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
--- Scheduler names
-DROP TABLE IF EXISTS schedulers;
-CREATE TABLE schedulers (
-  name VARCHAR(50) PRIMARY KEY        NOT NULL
-);
-INSERT INTO schedulers (name) VALUES ('FIFO-FIRSTFIT');
-INSERT INTO schedulers (name) VALUES ('FIFO-BESTFIT');
-INSERT INTO schedulers (name) VALUES ('FIFO-WORSTFIT');
-INSERT INTO schedulers (name) VALUES ('FIFO-RANDOM');
-INSERT INTO schedulers (name) VALUES ('SRTF-FIRSTFIT');
-INSERT INTO schedulers (name) VALUES ('SRTF-BESTFIT');
-INSERT INTO schedulers (name) VALUES ('SRTF-WORSTFIT');
-INSERT INTO schedulers (name) VALUES ('SRTF-RANDOM');
-INSERT INTO schedulers (name) VALUES ('RANDOM-FIRSTFIT');
-INSERT INTO schedulers (name) VALUES ('RANDOM-BESTFIT');
-INSERT INTO schedulers (name) VALUES ('RANDOM-WORSTFIT');
-INSERT INTO schedulers (name) VALUES ('RANDOM-RANDOM');
-
-/*
-*   Each simulation has a single trace. A trace contains tasks and their start times.
-*/
-
--- A trace describes when tasks arrives in a datacenter
-DROP TABLE IF EXISTS traces;
-CREATE TABLE traces (
-  id   INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  name TEXT                    NOT NULL
-);
-
--- A job
-DROP TABLE IF EXISTS jobs;
-CREATE TABLE jobs (
-  id       INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  name     TEXT                    NOT NULL,
-  trace_id INTEGER                 NOT NULL,
-
-  FOREIGN KEY (trace_id) REFERENCES traces (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
--- A task that's defined in terms of how many flops (floating point operations) it takes to complete
-DROP TABLE IF EXISTS tasks;
-CREATE TABLE tasks (
-  id               INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  start_tick       INTEGER                 NOT NULL CHECK (start_tick >= 0),
-  total_flop_count BIGINT                  NOT NULL CHECK (total_flop_count >= 0),
-  core_count       INTEGER                 NOT NULL CHECK (core_count >= 0),
-  job_id           INTEGER                 NOT NULL,
-
-  FOREIGN KEY (job_id) REFERENCES jobs (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
--- A dependency between two tasks.
-DROP TABLE IF EXISTS task_dependencies;
-CREATE TABLE task_dependencies (
-  first_task_id  INTEGER NOT NULL,
-  second_task_id INTEGER NOT NULL,
-
-  PRIMARY KEY (first_task_id, second_task_id),
-  FOREIGN KEY (first_task_id) REFERENCES tasks (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (second_task_id) REFERENCES tasks (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
-/*
-*   A task_state describes how much of a task has already been completed at the time of the current tick. Several
-*   machine_states show which machines worked on the task.
-*/
-
--- A state for a task_flop
-DROP TABLE IF EXISTS task_states;
-CREATE TABLE task_states (
-  id            INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  task_id       INTEGER                 NOT NULL,
-  experiment_id INTEGER                 NOT NULL,
-  tick          INTEGER                 NOT NULL CHECK (tick >= 0),
-  flops_left    INTEGER                 NOT NULL CHECK (flops_left >= 0),
-  cores_used    INTEGER                 NOT NULL CHECK (cores_used >= 0),
-
-  FOREIGN KEY (task_id) REFERENCES tasks (id),
-  FOREIGN KEY (experiment_id) REFERENCES experiments (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
--- The measurements of a single stage
-DROP TABLE IF EXISTS stage_measurements;
-CREATE TABLE stage_measurements (
-  id            INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  experiment_id INTEGER                 NOT NULL,
-  tick          INTEGER                 NOT NULL CHECK (tick >= 0),
-  stage         INTEGER                 NOT NULL CHECK (stage >= 0),
-  cpu           BIGINT                  NOT NULL CHECK (cpu >= 0),
-  wall          BIGINT                  NOT NULL CHECK (wall >= 0),
-  size          INTEGER                 NOT NULL CHECK (size >= 0),
-  iterations    INTEGER                 NOT NULL CHECK (iterations >= 0),
-
-  FOREIGN KEY (experiment_id) REFERENCES experiments (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
--- Metrics of a job task
-DROP TABLE IF EXISTS job_metrics;
-CREATE TABLE job_metrics (
-  id                   INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  experiment_id        INTEGER                 NOT NULL,
-  job_id               INTEGER                 NOT NULL,
-  critical_path        INTEGER                 NOT NULL CHECK (critical_path >= 0),
-  critical_path_length INTEGER                 NOT NULL CHECK (critical_path_length >= 0),
-  waiting_time         INTEGER                 NOT NULL CHECK (waiting_time >= 0),
-  makespan             INTEGER                 NOT NULL CHECK (makespan >= 0),
-  nsl                  INTEGER                 NOT NULL CHECK (nsl >= 0),
-
-  FOREIGN KEY (experiment_id) REFERENCES experiments (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (job_id) REFERENCES jobs (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
--- Metrics of a single task
-DROP TABLE IF EXISTS task_metrics;
-CREATE TABLE task_metrics (
-  id            INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  experiment_id INTEGER                 NOT NULL,
-  task_id       INTEGER                 NOT NULL,
-  job_id        INTEGER                 NOT NULL,
-  waiting       INTEGER                 NOT NULL CHECK (waiting >= 0),
-  execution     INTEGER                 NOT NULL CHECK (execution >= 0),
-  turnaround    INTEGER                 NOT NULL CHECK (turnaround >= 0),
-
-  FOREIGN KEY (experiment_id) REFERENCES experiments (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (task_id) REFERENCES tasks (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (job_id) REFERENCES jobs (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
--- A machine state
-DROP TABLE IF EXISTS machine_states;
-CREATE TABLE machine_states (
-  id               INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  machine_id       INTEGER                 NOT NULL,
-  experiment_id    INTEGER                 NOT NULL,
-  tick             INTEGER                 NOT NULL,
-  temperature_c    REAL,
-  in_use_memory_mb INTEGER,
-  load_fraction    REAL CHECK (load_fraction >= 0 AND load_fraction <= 1),
-
-  FOREIGN KEY (machine_id) REFERENCES machines (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (experiment_id) REFERENCES experiments (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
-/*
-*   A Section references a Datacenter topology, which can be used by multiple Sections to create Paths that go back and
-*   forth between different topologies.
-*/
-
--- Datacenters
-DROP TABLE IF EXISTS datacenters;
-CREATE TABLE datacenters (
-  id            INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  simulation_id INTEGER                 NOT NULL,
-  starred       INTEGER CHECK (starred = 0 OR starred = 1),
-
-  FOREIGN KEY (simulation_id) REFERENCES simulations (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
-/*
-*   A datacenter consists of several rooms. A room has a type that specifies what kind of objects can be in it.
-*/
-
--- Rooms in a datacenter
-DROP TABLE IF EXISTS rooms;
-CREATE TABLE rooms (
-  id            INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  name          TEXT                    NOT NULL,
-  datacenter_id INTEGER                 NOT NULL,
-  type          VARCHAR(50)             NOT NULL,
-  topology_id   INTEGER,
-
-  FOREIGN KEY (datacenter_id) REFERENCES datacenters (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (type) REFERENCES room_types (name)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (topology_id) REFERENCES rooms (id)
-    ON DELETE NO ACTION
-    ON UPDATE CASCADE
-);
-
-DROP TABLE IF EXISTS room_types;
-CREATE TABLE room_types (
-  name VARCHAR(50) PRIMARY KEY        NOT NULL
-);
-INSERT INTO room_types (name) VALUES ('SERVER');
-INSERT INTO room_types (name) VALUES ('HALLWAY');
-INSERT INTO room_types (name) VALUES ('OFFICE');
-INSERT INTO room_types (name) VALUES ('POWER');
-INSERT INTO room_types (name) VALUES ('COOLING');
-
-/*
-*   A room consists of tiles that have a quantized (x,y) position. The same tile can't be in multiple rooms. All tiles 
-*   in a room must touch at least one edge to another tile in that room. A tile is occupied by a single object, which
-*   has a type from the object_types table.
-*/
-
--- Tiles in a room
-DROP TABLE IF EXISTS tiles;
-CREATE TABLE tiles (
-  id          INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  position_x  INTEGER                 NOT NULL,
-  position_y  INTEGER                 NOT NULL,
-  room_id     INTEGER                 NOT NULL,
-  object_id   INTEGER,
-  topology_id INTEGER,
-
-  FOREIGN KEY (room_id) REFERENCES rooms (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (object_id) REFERENCES objects (id),
-  FOREIGN KEY (topology_id) REFERENCES tiles (id)
-    ON DELETE NO ACTION
-    ON UPDATE CASCADE,
-
-  UNIQUE (position_x, position_y, room_id), -- only one tile can be in the same position in a room
-  UNIQUE (object_id)                        -- an object can only be on one tile
-);
-
-DELIMITER //
-
--- Make sure this datacenter doesn't already have a tile in this location
--- and tiles in a room are connected.
-DROP TRIGGER IF EXISTS before_insert_tiles_check_existence;
-CREATE TRIGGER before_insert_tiles_check_existence
-  BEFORE INSERT
-  ON tiles
-  FOR EACH ROW
-  BEGIN
-    -- checking tile overlap
-    -- a tile already exists such that..
-    IF EXISTS(SELECT datacenter_id
-              FROM tiles
-                JOIN rooms ON tiles.room_id = rooms.id
-              WHERE (
-
-                -- it's in the same datacenter as the new tile...
-                datacenter_id = (SELECT datacenter_id
-                                 FROM rooms
-                                 WHERE rooms.id = NEW.room_id)
-
-                -- and in the the same position as the new tile.
-                AND NEW.position_x = tiles.position_x AND NEW.position_y = tiles.position_y
-              ))
-    THEN
-      -- raise an error
-      SIGNAL SQLSTATE '45000'
-      SET MESSAGE_TEXT = 'OccupiedTilePosition';
-    END IF;
-
-    -- checking tile adjacency
-    -- this isn't the first tile, ...
-    IF (EXISTS(SELECT *
-               FROM tiles
-               WHERE (NEW.room_id = tiles.room_id))
-
-        -- and the new tile isn't directly to right, to the left, above, or below an exisiting tile.
-        AND NOT EXISTS(SELECT *
-                       FROM tiles
-                       WHERE (
-                         NEW.room_id = tiles.room_id AND (
-                           (NEW.position_x + 1 = tiles.position_x AND NEW.position_y = tiles.position_y)     -- right
-                           OR (NEW.position_x - 1 = tiles.position_x AND NEW.position_y = tiles.position_y)  -- left
-                           OR (NEW.position_x = tiles.position_x AND NEW.position_y + 1 = tiles.position_y)  -- above
-                           OR (NEW.position_x = tiles.position_x AND NEW.position_y - 1 = tiles.position_y)  -- below
-                         )
-                       )))
-    THEN
-      -- raise an error
-      SIGNAL SQLSTATE '45000'
-      SET MESSAGE_TEXT = 'InvalidTilePosition';
-    END IF;
-  END//
-
-DELIMITER ;
-
-/*
-*   Objects are on tiles and have a type. They form an extra abstraction layer to make it easier to find what object is
-*   on a tile, as well as to enforce that only objects of the right type are in a certain room.
-*
-*   To add a PSU, cooling item, or rack to a tile, first add an object. Then use that object's ID as the value for the
-*   object_id column of the PSU, cooling item, or rack table.
-*   
-*   The allowed_object table specifies what types of objects are allowed in what types of rooms.
-*/
-
--- Objects
-DROP TABLE IF EXISTS objects;
-CREATE TABLE objects (
-  id   INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  type VARCHAR(50)             NOT NULL,
-
-  FOREIGN KEY (type) REFERENCES object_types (name)
-);
-
--- Object types
-DROP TABLE IF EXISTS object_types;
-CREATE TABLE object_types (
-  name VARCHAR(50) PRIMARY KEY        NOT NULL
-);
-INSERT INTO object_types (name) VALUES ('PSU');
-INSERT INTO object_types (name) VALUES ('COOLING_ITEM');
-INSERT INTO object_types (name) VALUES ('RACK');
-
--- Allowed objects table
-DROP TABLE IF EXISTS allowed_objects;
-CREATE TABLE allowed_objects (
-  room_type   VARCHAR(50) NOT NULL,
-  object_type VARCHAR(50) NOT NULL,
-
-  FOREIGN KEY (room_type) REFERENCES room_types (name),
-  FOREIGN KEY (object_type) REFERENCES object_types (name)
-);
-
--- Allowed objects per room
-INSERT INTO allowed_objects (room_type, object_type) VALUES ('SERVER', 'RACK');
--- INSERT INTO allowed_objects (room_type, object_type) VALUES ('POWER', 'PSU');
--- INSERT INTO allowed_objects (room_type, object_type) VALUES ('COOLING', 'COOLING_ITEM');
-
-DELIMITER //
-
--- Make sure objects are added to tiles in rooms they're allowed to be in.
-DROP TRIGGER IF EXISTS before_update_tiles;
-CREATE TRIGGER before_update_tiles
-  BEFORE UPDATE
-  ON tiles
-  FOR EACH ROW
-  BEGIN
-
-    IF ((NEW.object_id IS NOT NULL) AND (
-
-      -- the type of the object being added to the tile...
-      (
-        SELECT objects.type
-        FROM objects
-          JOIN tiles ON tiles.object_id = objects.id
-        WHERE tiles.id = NEW.id
-      )
-
-      -- is not in the set of allowed object types for the room the tile is in.
-      NOT IN (
-        SELECT object_type
-        FROM allowed_objects
-          JOIN rooms ON rooms.type = allowed_objects.room_type
-        WHERE rooms.id = NEW.room_id
-      )
-    ))
-    THEN
-      -- raise an error
-      SIGNAL SQLSTATE '45000'
-      SET MESSAGE_TEXT = 'ForbiddenObjectType';
-    END IF;
-  END//
-
-DELIMITER ;
-
-/*
-*   PSUs are a type of object.
-*/
-
--- PSUs on tiles
-DROP TABLE IF EXISTS psus;
-CREATE TABLE psus (
-  id               INTEGER     NOT NULL,
-  energy_kwh       INTEGER     NOT NULL CHECK (energy_kwh > 0),
-  type             VARCHAR(50) NOT NULL,
-  failure_model_id INTEGER     NOT NULL,
-
-  FOREIGN KEY (id) REFERENCES objects (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (failure_model_id) REFERENCES failure_models (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-
-  PRIMARY KEY (id)
-);
-
-/*
-*   Cooling items are a type of object.
-*/
-
--- Cooling items on tiles
-DROP TABLE IF EXISTS cooling_items;
-CREATE TABLE cooling_items (
-  id                   INTEGER     NOT NULL,
-  energy_consumption_w INTEGER     NOT NULL CHECK (energy_consumption_w > 0),
-  type                 VARCHAR(50) NOT NULL,
-  failure_model_id     INTEGER     NOT NULL,
-
-  FOREIGN KEY (id) REFERENCES objects (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (failure_model_id) REFERENCES failure_models (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-
-  PRIMARY KEY (id)
-);
-
-/*
-*   Racks are a type of object.
-*/
-
--- Racks on tiles
-DROP TABLE IF EXISTS racks;
-CREATE TABLE racks (
-  id               INTEGER NOT NULL,
-  name             TEXT,
-  capacity         INTEGER NOT NULL CHECK (capacity > 0),
-  power_capacity_w INTEGER NOT NULL CHECK (power_capacity_w > 0),
-  topology_id      INTEGER,
-
-  FOREIGN KEY (id) REFERENCES objects (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (topology_id) REFERENCES racks (id)
-    ON DELETE NO ACTION
-    ON UPDATE CASCADE,
-
-  PRIMARY KEY (id)
-);
-
-/*
-*   A rack contains a number of machines. A rack cannot have more than its capacity of machines in it. No more than one
-*   machine can occupy a position in a rack at the same time.
-*/
-
--- Machines in racks
-DROP TABLE IF EXISTS machines;
-CREATE TABLE machines (
-  id          INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  rack_id     INTEGER                 NOT NULL,
-  position    INTEGER                 NOT NULL CHECK (position > 0),
-  topology_id INTEGER,
-
-  FOREIGN KEY (rack_id) REFERENCES racks (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (topology_id) REFERENCES machines (id)
-    ON DELETE NO ACTION
-    ON UPDATE CASCADE,
-
-  -- Prevent machines from occupying the same position in a rack.
-  UNIQUE (rack_id, position)
-);
-
-DELIMITER //
-
--- Make sure a machine is not inserted at a position that does not exist for its rack.
-DROP TRIGGER IF EXISTS before_insert_machine;
-CREATE TRIGGER before_insert_machine
-  BEFORE INSERT
-  ON machines
-  FOR EACH ROW
-  BEGIN
-    IF (
-      NEW.position > (SELECT capacity
-                      FROM racks
-                      WHERE racks.id = NEW.rack_id)
-    )
-    THEN
-      -- raise an error
-      SIGNAL SQLSTATE '45000'
-      SET MESSAGE_TEXT = 'InvalidMachinePosition';
-    END IF;
-  END//
-
-DELIMITER ;
-
-/*
-*   A machine can have a tag for easy search and filtering.
-*/
-
--- Tags for machines
-DROP TABLE IF EXISTS machine_tags;
-CREATE TABLE machine_tags (
-  name       TEXT    NOT NULL,
-  machine_id INTEGER NOT NULL,
-
-  FOREIGN KEY (machine_id) REFERENCES machines (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
-/*
-*   A failure model defines the probability of a machine breaking at any given time.
-*/
-
--- Failure models
-DROP TABLE IF EXISTS failure_models;
-CREATE TABLE failure_models (
-  id   INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  name TEXT                    NOT NULL,
-  rate REAL                    NOT NULL CHECK (rate >= 0 AND rate <= 1)
-);
-
-/*
-*   A cpu stores information about a type of cpu. The machine_cpu table keeps track of which cpus are in which machines.
-*/
-
--- CPU specs
-DROP TABLE IF EXISTS cpus;
-CREATE TABLE cpus (
-  id                   INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  manufacturer         TEXT                    NOT NULL,
-  family               TEXT                    NOT NULL,
-  generation           TEXT                    NOT NULL,
-  model                TEXT                    NOT NULL,
-  clock_rate_mhz       INTEGER                 NOT NULL CHECK (clock_rate_mhz > 0),
-  number_of_cores      INTEGER                 NOT NULL CHECK (number_of_cores > 0),
-  energy_consumption_w REAL                    NOT NULL CHECK (energy_consumption_w > 0),
-  failure_model_id     INTEGER                 NOT NULL,
-
-  FOREIGN KEY (failure_model_id) REFERENCES failure_models (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
--- CPUs in machines
-DROP TABLE IF EXISTS machine_cpus;
-CREATE TABLE machine_cpus (
-  id         INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  machine_id INTEGER                 NOT NULL,
-  cpu_id     INTEGER                 NOT NULL,
-
-  FOREIGN KEY (machine_id) REFERENCES machines (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (cpu_id) REFERENCES cpus (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
-/*
-*   A gpu stores information about a type of gpu. The machine_gpu table keeps track of which gpus are in which machines.
-*/
-
--- GPU specs
-DROP TABLE IF EXISTS gpus;
-CREATE TABLE gpus (
-  id                   INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  manufacturer         TEXT                    NOT NULL,
-  family               TEXT                    NOT NULL,
-  generation           TEXT                    NOT NULL,
-  model                TEXT                    NOT NULL,
-  clock_rate_mhz       INTEGER                 NOT NULL CHECK (clock_rate_mhz > 0),
-  number_of_cores      INTEGER                 NOT NULL CHECK (number_of_cores > 0),
-  energy_consumption_w REAL                    NOT NULL CHECK (energy_consumption_w > 0),
-  failure_model_id     INTEGER                 NOT NULL,
-
-  FOREIGN KEY (failure_model_id) REFERENCES failure_models (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
--- GPUs in machines
-DROP TABLE IF EXISTS machine_gpus;
-CREATE TABLE machine_gpus (
-  id         INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  machine_id INTEGER                 NOT NULL,
-  gpu_id     INTEGER                 NOT NULL,
-
-  FOREIGN KEY (machine_id) REFERENCES machines (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (gpu_id) REFERENCES gpus (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
-/*
-*   A memory stores information about a type of memory. The machine_memory table keeps track of which memories are in 
-*   which machines.
-*/
-
--- Memory specs
-DROP TABLE IF EXISTS memories;
-CREATE TABLE memories (
-  id                   INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  manufacturer         TEXT                    NOT NULL,
-  family               TEXT                    NOT NULL,
-  generation           TEXT                    NOT NULL,
-  model                TEXT                    NOT NULL,
-  speed_mb_per_s       INTEGER                 NOT NULL CHECK (speed_mb_per_s > 0),
-  size_mb              INTEGER                 NOT NULL CHECK (size_mb > 0),
-  energy_consumption_w REAL                    NOT NULL CHECK (energy_consumption_w > 0),
-  failure_model_id     INTEGER                 NOT NULL,
-
-  FOREIGN KEY (failure_model_id) REFERENCES failure_models (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
--- Memory in machines
-DROP TABLE IF EXISTS machine_memories;
-CREATE TABLE machine_memories (
-  id         INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  machine_id INTEGER                 NOT NULL,
-  memory_id  INTEGER                 NOT NULL,
-
-  FOREIGN KEY (machine_id) REFERENCES machines (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (memory_id) REFERENCES memories (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
-/*
-*   A storage stores information about a type of storage. The machine_storage table keeps track of which storages are in 
-*   which machines.
-*/
-
--- Storage specs
-DROP TABLE IF EXISTS storages;
-CREATE TABLE storages (
-  id                   INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  manufacturer         TEXT                    NOT NULL,
-  family               TEXT                    NOT NULL,
-  generation           TEXT                    NOT NULL,
-  model                TEXT                    NOT NULL,
-  speed_mb_per_s       INTEGER                 NOT NULL CHECK (speed_mb_per_s > 0),
-  size_mb              INTEGER                 NOT NULL CHECK (size_mb > 0),
-  energy_consumption_w REAL                    NOT NULL CHECK (energy_consumption_w > 0),
-  failure_model_id     INTEGER                 NOT NULL,
-
-  FOREIGN KEY (failure_model_id) REFERENCES failure_models (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
-
--- Storage in machines
-DROP TABLE IF EXISTS machine_storages;
-CREATE TABLE machine_storages (
-  id         INTEGER PRIMARY KEY     NOT NULL AUTO_INCREMENT,
-  machine_id INTEGER                 NOT NULL,
-  storage_id INTEGER                 NOT NULL,
-
-  FOREIGN KEY (machine_id) REFERENCES machines (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE,
-  FOREIGN KEY (storage_id) REFERENCES storages (id)
-    ON DELETE CASCADE
-    ON UPDATE CASCADE
-);
diff --git a/database/test.sql b/database/test.sql
deleted file mode 100644
index 55801b76..00000000
--- a/database/test.sql
+++ /dev/null
@@ -1,381 +0,0 @@
--- Users
-INSERT INTO users (google_id, email, given_name, family_name)
-VALUES ('106671218963420759042', 'l.overweel@gmail.com', 'Leon', 'Overweel');
-INSERT INTO users (google_id, email, given_name, family_name)
-VALUES ('118147174005839766927', 'jorgos.andreadis@gmail.com', 'Jorgos', 'Andreadis');
-
--- Simulations
-INSERT INTO simulations (name, datetime_created, datetime_last_edited)
-VALUES ('Test Simulation 1', '2016-07-11T11:00:00', '2016-07-11T11:00:00');
-
--- Authorizations
-INSERT INTO authorizations (user_id, simulation_id, authorization_level)
-VALUES (1, 1, 'OWN');
-INSERT INTO authorizations (user_id, simulation_id, authorization_level)
-VALUES (2, 1, 'OWN');
-
--- Paths
-INSERT INTO paths (simulation_id, datetime_created)
-VALUES (1, '2016-07-11T11:00:00');
-INSERT INTO paths (simulation_id, datetime_created)
-VALUES (1, '2016-07-18T09:00:00');
-
--- Datacenter
-INSERT INTO datacenters (starred, simulation_id) VALUES (0, 1);
-INSERT INTO datacenters (starred, simulation_id) VALUES (0, 1);
-INSERT INTO datacenters (starred, simulation_id) VALUES (0, 1);
-
--- Sections
-INSERT INTO sections (path_id, datacenter_id, start_tick) VALUES (1, 1, 0);
-INSERT INTO sections (path_id, datacenter_id, start_tick) VALUES (1, 2, 50);
-INSERT INTO sections (path_id, datacenter_id, start_tick) VALUES (1, 3, 100);
-
-INSERT INTO sections (path_id, datacenter_id, start_tick) VALUES (2, 3, 0);
-
--- Default Test Trace
-INSERT INTO traces (name) VALUES ('Default');
-
--- Jobs
-INSERT INTO jobs (name, trace_id) VALUES ('Default', 1);
-
--- Tasks
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (0, 400000, 1, 1);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (25, 10000, 1, 1);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (25, 10000, 1, 1);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (26, 10000, 1, 1);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (80, 200000, 1, 1);
-
-INSERT INTO task_dependencies (first_task_id, second_task_id) VALUES (1, 5);
-
--- Image Processing Trace
-INSERT INTO traces (name) VALUES ('Image Processing');
-
--- Jobs
-INSERT INTO jobs (name, trace_id) VALUES ('Image Processing', 2);
-
--- Tasks
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (0, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (10, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (20, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (0, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (10, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (20, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (1, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (11, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (21, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (1, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (11, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (21, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (0, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (10, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (20, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (0, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (10, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (20, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (1, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (11, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (21, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (1, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (11, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (21, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (0, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (10, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (20, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (0, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (10, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (20, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (1, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (11, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (21, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (1, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (11, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (21, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (0, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (10, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (20, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (0, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (10, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (20, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (1, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (11, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (21, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (1, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (11, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (21, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (0, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (10, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (20, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (0, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (10, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (20, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (1, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (11, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (21, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (1, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (11, 100000, 1, 2);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (21, 100000, 1, 2);
-
--- Path Planning Trace
-INSERT INTO traces (name) VALUES ('Path planning');
-
--- Jobs
-INSERT INTO jobs (name, trace_id) VALUES ('Path planning', 3);
-
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (0, 1000000, 1, 3);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (11, 200000, 1, 3);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (12, 200000, 1, 3);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (13, 200000, 1, 3);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (14, 200000, 1, 3);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (11, 200000, 1, 3);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (12, 200000, 1, 3);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (13, 200000, 1, 3);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (14, 200000, 1, 3);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (11, 200000, 1, 3);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (12, 200000, 1, 3);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (13, 200000, 1, 3);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (14, 200000, 1, 3);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (11, 200000, 1, 3);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (12, 200000, 1, 3);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (13, 200000, 1, 3);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (14, 200000, 1, 3);
-
-INSERT INTO task_dependencies (first_task_id, second_task_id) VALUES (66, 67);
-INSERT INTO task_dependencies (first_task_id, second_task_id) VALUES (66, 68);
-INSERT INTO task_dependencies (first_task_id, second_task_id) VALUES (66, 69);
-INSERT INTO task_dependencies (first_task_id, second_task_id) VALUES (66, 70);
-INSERT INTO task_dependencies (first_task_id, second_task_id) VALUES (66, 71);
-INSERT INTO task_dependencies (first_task_id, second_task_id) VALUES (66, 72);
-INSERT INTO task_dependencies (first_task_id, second_task_id) VALUES (66, 73);
-INSERT INTO task_dependencies (first_task_id, second_task_id) VALUES (66, 74);
-INSERT INTO task_dependencies (first_task_id, second_task_id) VALUES (66, 75);
-INSERT INTO task_dependencies (first_task_id, second_task_id) VALUES (66, 76);
-INSERT INTO task_dependencies (first_task_id, second_task_id) VALUES (66, 77);
-INSERT INTO task_dependencies (first_task_id, second_task_id) VALUES (66, 78);
-INSERT INTO task_dependencies (first_task_id, second_task_id) VALUES (66, 79);
-INSERT INTO task_dependencies (first_task_id, second_task_id) VALUES (66, 80);
-INSERT INTO task_dependencies (first_task_id, second_task_id) VALUES (66, 81);
-INSERT INTO task_dependencies (first_task_id, second_task_id) VALUES (66, 82);
-
--- Parallelizable Trace
-INSERT INTO traces (name) VALUES ('Parallel heavy trace');
-
--- Jobs
-INSERT INTO jobs (name, trace_id) VALUES ('Parallel heavy trace', 4);
-
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (0, 100000, 1, 4);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (0, 900000, 1, 4);
-
--- Sequential Trace
-INSERT INTO traces (name) VALUES ('Sequential heavy trace');
-
--- Jobs
-INSERT INTO jobs (name, trace_id) VALUES ('Sequential heavy trace', 5);
-
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (0, 100000, 1, 5);
-INSERT INTO tasks (start_tick, total_flop_count, core_count, job_id) VALUES (0, 900000, 1, 5);
-
--- Experiments
-INSERT INTO experiments (simulation_id, path_id, trace_id, scheduler_name, name, state, last_simulated_tick)
-VALUES (1, 1, 3, 'fifo-bestfit', 'Path planning trace, FIFO', 'QUEUED', 0);
-INSERT INTO experiments (simulation_id, path_id, trace_id, scheduler_name, name, state, last_simulated_tick)
-VALUES (1, 1, 1, 'srtf-firstfit', 'Default trace, SRTF', 'QUEUED', 0);
-INSERT INTO experiments (simulation_id, path_id, trace_id, scheduler_name, name, state, last_simulated_tick)
-VALUES (1, 1, 2, 'srtf-firstfit', 'Image processing trace, SRTF', 'QUEUED', 0);
-INSERT INTO experiments (simulation_id, path_id, trace_id, scheduler_name, name, state, last_simulated_tick)
-VALUES (1, 1, 3, 'fifo-firstfit', 'Path planning trace, FIFO', 'QUEUED', 0);
-
--- Rooms
-INSERT INTO rooms (name, datacenter_id, type) VALUES ('room 1', 1, 'SERVER');
-INSERT INTO rooms (name, datacenter_id, type, topology_id) VALUES ('room 1', 2, 'SERVER', 1);
-INSERT INTO rooms (name, datacenter_id, type, topology_id) VALUES ('room 1', 3, 'SERVER', 1);
-INSERT INTO rooms (name, datacenter_id, type) VALUES ('room 2', 3, 'SERVER');
-INSERT INTO rooms (name, datacenter_id, type) VALUES ('Power Room', 1, 'POWER');
-
--- Tiles
-INSERT INTO tiles (position_x, position_y, room_id) VALUES (10, 10, 1);
-INSERT INTO tiles (position_x, position_y, room_id) VALUES (9, 10, 1);
-INSERT INTO tiles (position_x, position_y, room_id) VALUES (10, 11, 1);
-
-INSERT INTO tiles (position_x, position_y, room_id, topology_id) VALUES (10, 10, 2, 1);
-INSERT INTO tiles (position_x, position_y, room_id, topology_id) VALUES (9, 10, 2, 2);
-INSERT INTO tiles (position_x, position_y, room_id, topology_id) VALUES (10, 11, 2, 3);
-INSERT INTO tiles (position_x, position_y, room_id) VALUES (11, 11, 2);
-
-INSERT INTO tiles (position_x, position_y, room_id, topology_id) VALUES (10, 10, 3, 1);
-INSERT INTO tiles (position_x, position_y, room_id, topology_id) VALUES (9, 10, 3, 2);
-INSERT INTO tiles (position_x, position_y, room_id, topology_id) VALUES (10, 11, 3, 3);
-INSERT INTO tiles (position_x, position_y, room_id, topology_id) VALUES (11, 11, 3, 7);
-
-INSERT INTO tiles (position_x, position_y, room_id) VALUES (11, 10, 4);
-INSERT INTO tiles (position_x, position_y, room_id) VALUES (12, 10, 4);
-
-INSERT INTO tiles (position_x, position_y, room_id) VALUES (10, 12, 5);
-INSERT INTO tiles (position_x, position_y, room_id) VALUES (10, 13, 5);
-
--- Racks
-INSERT INTO objects (type) VALUES ('RACK');
-INSERT INTO racks (id, capacity, name, power_capacity_w) VALUES (1, 42, 'Rack 1', 5000);
-UPDATE tiles
-SET object_id = 1
-WHERE id = 1;
-INSERT INTO objects (type) VALUES ('RACK');
-INSERT INTO racks (id, capacity, name, power_capacity_w) VALUES (2, 42, 'Rack 2', 5000);
-UPDATE tiles
-SET object_id = 2
-WHERE id = 2;
-
-INSERT INTO objects (type) VALUES ('RACK');
-INSERT INTO racks (id, capacity, name, power_capacity_w, topology_id) VALUES (3, 42, 'Rack 1', 5000, 1);
-UPDATE tiles
-SET object_id = 3
-WHERE id = 4;
-INSERT INTO objects (type) VALUES ('RACK');
-INSERT INTO racks (id, capacity, name, power_capacity_w, topology_id) VALUES (4, 42, 'Rack 2', 5000, 2);
-UPDATE tiles
-SET object_id = 4
-WHERE id = 5;
-INSERT INTO objects (type) VALUES ('RACK');
-INSERT INTO racks (id, capacity, name, power_capacity_w) VALUES (5, 42, 'Rack 3', 5000);
-UPDATE tiles
-SET object_id = 5
-WHERE id = 7;
-
-INSERT INTO objects (type) VALUES ('RACK');
-INSERT INTO racks (id, capacity, name, power_capacity_w, topology_id) VALUES (6, 42, 'Rack 1', 5000, 1);
-UPDATE tiles
-SET object_id = 6
-WHERE id = 8;
-
-INSERT INTO objects (type) VALUES ('RACK');
-INSERT INTO racks (id, capacity, name, power_capacity_w, topology_id) VALUES (7, 42, 'Rack 2', 5000, 2);
-UPDATE tiles
-SET object_id = 7
-WHERE id = 9;
-
-INSERT INTO objects (type) VALUES ('RACK');
-INSERT INTO racks (id, capacity, name, power_capacity_w, topology_id) VALUES (8, 42, 'Rack 3', 5000, 5);
-UPDATE tiles
-SET object_id = 8
-WHERE id = 11;
-
-INSERT INTO objects (type) VALUES ('RACK');
-INSERT INTO racks (id, capacity, name, power_capacity_w) VALUES (9, 42, 'Rack 4', 5000);
-UPDATE tiles
-SET object_id = 9
-WHERE id = 12;
-
--- Machines
-INSERT INTO machines (rack_id, position) VALUES (1, 1);
-INSERT INTO machines (rack_id, position) VALUES (1, 2);
-INSERT INTO machines (rack_id, position) VALUES (1, 6);
-INSERT INTO machines (rack_id, position) VALUES (1, 10);
-INSERT INTO machines (rack_id, position) VALUES (2, 1);
-INSERT INTO machines (rack_id, position) VALUES (2, 2);
-
-INSERT INTO machines (rack_id, position, topology_id) VALUES (3, 1, 1);
-INSERT INTO machines (rack_id, position, topology_id) VALUES (3, 2, 2);
-INSERT INTO machines (rack_id, position, topology_id) VALUES (3, 6, 3);
-INSERT INTO machines (rack_id, position, topology_id) VALUES (3, 10, 4);
-INSERT INTO machines (rack_id, position, topology_id) VALUES (4, 1, 5);
-INSERT INTO machines (rack_id, position, topology_id) VALUES (4, 2, 6);
-INSERT INTO machines (rack_id, position) VALUES (5, 1);
-INSERT INTO machines (rack_id, position) VALUES (5, 2);
-INSERT INTO machines (rack_id, position) VALUES (5, 3);
-
-INSERT INTO machines (rack_id, position, topology_id) VALUES (6, 1, 1);
-INSERT INTO machines (rack_id, position, topology_id) VALUES (6, 2, 2);
-INSERT INTO machines (rack_id, position, topology_id) VALUES (6, 6, 3);
-INSERT INTO machines (rack_id, position, topology_id) VALUES (6, 10, 4);
-INSERT INTO machines (rack_id, position, topology_id) VALUES (7, 1, 5);
-INSERT INTO machines (rack_id, position, topology_id) VALUES (7, 2, 6);
-INSERT INTO machines (rack_id, position, topology_id) VALUES (8, 1, 13);
-INSERT INTO machines (rack_id, position, topology_id) VALUES (8, 2, 14);
-INSERT INTO machines (rack_id, position, topology_id) VALUES (8, 3, 15);
-INSERT INTO machines (rack_id, position) VALUES (9, 4);
-INSERT INTO machines (rack_id, position) VALUES (9, 5);
-INSERT INTO machines (rack_id, position) VALUES (9, 6);
-INSERT INTO machines (rack_id, position) VALUES (9, 7);
-
--- Tags
-INSERT INTO machine_tags (name, machine_id) VALUES ('my fave machine', 1);
-INSERT INTO machine_tags (name, machine_id) VALUES ('my best machine', 2);
-
--- Failure models
-INSERT INTO failure_models (name, rate) VALUES ('test_model', 0);
-
--- CPUs
-INSERT INTO cpus (manufacturer, family, generation, model, clock_rate_mhz, number_of_cores, energy_consumption_w,
-                  failure_model_id) VALUES ('intel', 'i7', 'v6', '6700k', 4100, 4, 70, 1);
-INSERT INTO cpus (manufacturer, family, generation, model, clock_rate_mhz, number_of_cores, energy_consumption_w,
-                  failure_model_id) VALUES ('intel', 'i5', 'v6', '6700k', 3500, 2, 50, 1);
-
--- GPUs
-INSERT INTO gpus (manufacturer, family, generation, model, clock_rate_mhz, number_of_cores, energy_consumption_w,
-                  failure_model_id) VALUES ('NVIDIA', 'GTX', '4', '1080', 1200, 200, 250, 1);
-
--- CPUs in machines
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (1, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (1, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (1, 2);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (2, 2);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (2, 2);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (3, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (3, 2);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (3, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (4, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (4, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (4, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (5, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (6, 1);
-
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (7, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (7, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (7, 2);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (8, 2);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (8, 2);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (9, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (9, 2);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (9, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (10, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (10, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (10, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (11, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (12, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (13, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (14, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (15, 1);
-
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (16, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (16, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (16, 2);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (17, 2);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (17, 2);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (18, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (18, 2);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (18, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (19, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (19, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (19, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (20, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (21, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (22, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (23, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (24, 1);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (25, 2);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (26, 2);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (27, 2);
-INSERT INTO machine_cpus (machine_id, cpu_id) VALUES (28, 2);
-
--- GPUs
-INSERT INTO gpus (manufacturer, family, generation, model, clock_rate_mhz, number_of_cores, energy_consumption_w,
-                  failure_model_id) VALUES ('nvidia', 'GeForce GTX Series', '10', '80', 1607, 2560, 70, 1);
-
--- Memories
-
-INSERT INTO memories (manufacturer, family, generation, model, speed_mb_per_s, size_mb, energy_consumption_w,
-                      failure_model_id) VALUES ('samsung', 'PC DRAM', 'K4A4G045WD', 'DDR4', 16000, 4000, 10, 1);
-
--- Storages
-
-INSERT INTO storages (manufacturer, family, generation, model, speed_mb_per_s, size_mb, energy_consumption_w,
-                      failure_model_id) VALUES ('samsung', 'EVO', '2016', 'SATA III', 6000, 250000, 10, 1);
diff --git a/database/view-table.py b/database/view-table.py
deleted file mode 100644
index 615b4081..00000000
--- a/database/view-table.py
+++ /dev/null
@@ -1,17 +0,0 @@
-import os
-import sqlite3
-import sys
-
-try:
-    BASE_DIR = directory_name=sys.argv[1]
-except:
-    BASE_DIR = os.path.dirname(os.path.abspath(__file__))
-db_location = os.path.join(BASE_DIR, 'opendc.db')
-
-conn = sqlite3.connect(db_location)
-c = conn.cursor()
-
-rows = c.execute('SELECT * FROM ' + sys.argv[2])
-
-for row in rows:
-    print row