126 lines
5.5 KiB
Python
126 lines
5.5 KiB
Python
from wtforms import SubmitField, StringField, FloatField, HiddenField, validators, Form
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from flask_wtf import FlaskForm
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from flask import request, render_template, redirect
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from main import db, app, ma
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from sqlalchemy import Sequence
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from sqlalchemy.exc import SQLAlchemyError
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from status import st, Status
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from datetime import datetime, timedelta
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import pytz
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import socket
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from shared import PA_JOB_MANAGER_HOST, PA_JOB_MANAGER_PORT
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################################################################################
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# Class describing Job in the database, and via sqlalchemy, connected to the DB as well
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################################################################################
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class JobExtra(db.Model):
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__tablename__ = "jobextra"
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id = db.Column(db.Integer, db.Sequence('jobextra_id_seq'), primary_key=True )
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job_id = db.Column(db.Integer, db.ForeignKey('job.id') )
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name = db.Column(db.String)
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value = db.Column(db.String)
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def __repr__(self):
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return "<id: {}, job_id: {}, name: {}, value: {}>".format(self.id, self.job_id, self.name, self.value )
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class Joblog(db.Model):
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id = db.Column(db.Integer, db.Sequence('joblog_id_seq'), primary_key=True )
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job_id = db.Column(db.Integer, db.ForeignKey('job.id'), primary_key=True )
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log_date = db.Column(db.DateTime(timezone=True))
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log = db.Column(db.String)
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def __repr__(self):
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return "<id: {}, job_id: {}, log: {}".format(self.id, self.job_id, self.log )
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class Job(db.Model):
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id = db.Column(db.Integer, db.Sequence('job_id_seq'), primary_key=True )
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start_time = db.Column(db.DateTime(timezone=True))
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last_update = db.Column(db.DateTime(timezone=True))
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name = db.Column(db.String)
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state = db.Column(db.String)
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num_files = db.Column(db.Integer)
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current_file_num = db.Column(db.Integer)
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current_file = db.Column(db.String)
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wait_for = db.Column(db.Integer)
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pa_job_state = db.Column(db.String)
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extra = db.relationship( "JobExtra")
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logs = db.relationship( "Joblog")
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def __repr__(self):
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return "<id: {}, start_time: {}, last_update: {}, name: {}, state: {}, num_files: {}, current_file_num: {}, current_file: {}, pa_job_state: {}, wait_for: {}, extra: {}, logs: {}>".format(self.id, self.start_time, self.last_update, self.name, self.state, self.num_files, self.current_file_num, self.current_file, self.pa_job_state, self.wait_for, self.extra, self.logs)
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################################################################################
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# Utility classes for Jobs
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################################################################################
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def GetNumActiveJobs():
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ret = db.engine.execute("select count(1) from job where pa_job_state is distinct from 'Completed'").first()
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return ret.count
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def WakePAJobManager():
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try:
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print("Waking up PA Job Manager")
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s=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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s.connect((PA_JOB_MANAGER_HOST, PA_JOB_MANAGER_PORT))
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s.close()
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except Exception as e:
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st.SetAlert("danger")
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st.SetMessage("Failed to connect to job manager, has it crashed? Exception was:{}".format(e))
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return
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###############################################################################
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# NewJob takes a name (which will be matched in pa_job_manager.py to run
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# the appropriate job - which will update the Job() until complete
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###############################################################################
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def NewJob(name, num_files="0", wait_for=None ):
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job=Job(start_time='now()', last_update='now()', name=name, state="New", num_files=num_files,
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current_file_num=0, current_file='',
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wait_for=wait_for, pa_job_state="New" )
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db.session.add(job)
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db.session.commit()
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WakePAJobManager()
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return job
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################################################################################
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# /jobs -> show current settings
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################################################################################
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@app.route("/jobs", methods=["GET"])
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def jobs():
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page_title='Job list'
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jobs = Job.query.order_by(Job.id).all()
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return render_template("jobs.html", jobs=jobs, page_title=page_title)
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###############################################################################
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# /job/<id> -> GET -> shows status/history of jobs
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################################################################################
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@app.route("/job/<id>", methods=["GET"])
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def joblog(id):
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page_title='Show Job Details'
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joblog = Job.query.get(id)
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logs=Joblog.query.filter(Joblog.job_id==id).all()
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if joblog.pa_job_state == "Completed":
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duration=(joblog.last_update-joblog.start_time)
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else:
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duration=(datetime.now(pytz.utc)-joblog.start_time)
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duration= duration-timedelta(microseconds=duration.microseconds)
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return render_template("joblog.html", job=joblog, logs=logs, duration=duration, page_title=page_title)
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###############################################################################
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# /job/<id> -> GET -> shows status/history of jobs
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################################################################################
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@app.route("/wakeup", methods=["GET"])
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def wake_wrapper():
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WakePAJobManager()
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return render_template("base.html")
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###############################################################################
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# This func creates a new filter in jinja2 to format the time from the db in a
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# way that is more readable (converted to local tz too)
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################################################################################
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@app.template_filter('vicdate')
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def _jinja2_filter_datetime(date, fmt=None):
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return date.strftime("%d/%m/%Y %I:%M:%S %p")
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