From 1245c432c2b3a5b3854efa17ca45504492328c41 Mon Sep 17 00:00:00 2001 From: Tim Laszlo Date: Mon, 5 Jul 2010 23:44:18 +0000 Subject: Removing old Django models git-svn-id: https://svn.mcs.anl.gov/repos/bcfg/trunk/bcfg2@5961 ce84e21b-d406-0410-9b95-82705330c041 --- src/lib/Server/Reports/reports/models.py | 299 ++++++++++++++++++++++++++++++- 1 file changed, 294 insertions(+), 5 deletions(-) (limited to 'src/lib/Server/Reports/reports/models.py') diff --git a/src/lib/Server/Reports/reports/models.py b/src/lib/Server/Reports/reports/models.py index 015562908..5410ce37b 100644 --- a/src/lib/Server/Reports/reports/models.py +++ b/src/lib/Server/Reports/reports/models.py @@ -1,6 +1,295 @@ -import django +"""Django models for Bcfg2 reports.""" +from django.db import models +from django.db.models import Q +from datetime import datetime, timedelta +from time import strptime -if django.VERSION[0] > 0: - from models_new import * -else: - from models_old import * +KIND_CHOICES = ( + #These are the kinds of config elements + ('Package', 'Package'), + ('Path', 'directory'), + ('Path', 'file'), + ('Path', 'permissions'), + ('Path', 'symlink'), + ('Service', 'Service'), +) +PING_CHOICES = ( + #These are possible ping states + ('Up (Y)', 'Y'), + ('Down (N)', 'N') +) +TYPE_BAD = 1 +TYPE_MODIFIED = 2 +TYPE_EXTRA = 3 + +TYPE_CHOICES = ( + (TYPE_BAD, 'Bad'), + (TYPE_MODIFIED, 'Modified'), + (TYPE_EXTRA, 'Extra'), +) +class ClientManager(models.Manager): + """Extended client manager functions.""" + def active(self, timestamp='now'): + '''returns a set of clients that have been created and have not yet been + expired as of optional timestmamp argument. Timestamp should be a + string formatted in the fashion: 2006-01-01 00:00:00''' + + if timestamp == 'now': + timestamp = datetime.now() + else: + print timestamp + try: + timestamp = datetime(*strptime(timestamp, "%Y-%m-%d %H:%M:%S")[0:6]) + except ValueError: + return self.filter(expiration__lt=timestamp, creation__gt=timestamp); + ''' + - this is a really hacky way to return an empty QuerySet + - this should return Client.objects.none() in Django + development version. + ''' + + return self.filter(Q(expiration__gt=timestamp) | Q(expiration__isnull=True), + creation__lt=timestamp) + + +class Client(models.Model): + """Object representing every client we have seen stats for.""" + creation = models.DateTimeField() + name = models.CharField(max_length=128,) + current_interaction = models.ForeignKey('Interaction', + null=True, blank=True, + related_name="parent_client") + expiration = models.DateTimeField(blank=True, null=True) + + def __str__(self): + return self.name + + objects = ClientManager() + + class Admin: + pass + +class Ping(models.Model): + """Represents a ping of a client (sparsely).""" + client = models.ForeignKey(Client, related_name="pings") + starttime = models.DateTimeField() + endtime = models.DateTimeField() + status = models.CharField(max_length=4, choices=PING_CHOICES)#up/down + + class Meta: + get_latest_by = 'endtime' + +class InteractiveManager(models.Manager): + """Manages interactions objects. + + Returns most recent interaction as of specified timestamp in format: + '2006-01-01 00:00:00' or 'now' or None->'now' + + """ + def interaction_per_client(self, maxdate = None): + """Returns the most recent interactions for clients as of a date. + FIXME - check the dates passed in. + + """ + from django.db import connection + cursor = connection.cursor() + + sql = 'select reports_interaction.id, x.client_id from (select client_id, MAX(timestamp) ' + \ + 'as timer from reports_interaction' + if maxdate != 'now': + sql = sql + " where timestamp < '%s' " % maxdate + sql = sql + ' GROUP BY client_id) x, reports_interaction where ' + \ + 'reports_interaction.client_id = x.client_id AND reports_interaction.timestamp = x.timer' + try: + cursor.execute(sql) + except: + '''FIXME - really need some error hadling''' + return self.none() + return self.filter(id__in = [item[0] for item in cursor.fetchall()]) + + +class Interaction(models.Model): + """Models each reconfiguration operation interaction between client and server.""" + client = models.ForeignKey(Client, related_name="interactions",) + timestamp = models.DateTimeField()#Timestamp for this record + state = models.CharField(max_length=32)#good/bad/modified/etc + repo_rev_code = models.CharField(max_length=64)#repo revision at time of interaction + client_version = models.CharField(max_length=32)#Client Version + goodcount = models.IntegerField()#of good config-items + totalcount = models.IntegerField()#of total config-items + server = models.CharField(max_length=256) # Name of the server used for the interaction + bad_entries = models.IntegerField(default=-1) + modified_entries = models.IntegerField(default=-1) + extra_entries = models.IntegerField(default=-1) + + def __str__(self): + return "With " + self.client.name + " @ " + self.timestamp.isoformat() + + def percentgood(self): + if not self.totalcount == 0: + return (self.goodcount/float(self.totalcount))*100 + else: + return 0 + + def percentbad(self): + if not self.totalcount == 0: + return ((self.totalcount-self.goodcount)/(float(self.totalcount)))*100 + else: + return 0 + + def isclean(self): + if (self.bad_entry_count() == 0 and self.goodcount == self.totalcount): + return True + else: + return False + + def isstale(self): + if (self == self.client.current_interaction):#Is Mostrecent + if(datetime.now()-self.timestamp > timedelta(hours=25) ): + return True + else: + return False + else: + #Search for subsequent Interaction for this client + #Check if it happened more than 25 hrs ago. + if (self.client.interactions.filter(timestamp__gt=self.timestamp) + .order_by('timestamp')[0].timestamp - + self.timestamp > timedelta(hours=25)): + return True + else: + return False + def save(self): + super(Interaction, self).save() #call the real save... + self.client.current_interaction = self.client.interactions.latest() + self.client.save()#save again post update + + def badcount(self): + return self.totalcount - self.goodcount + + def bad(self): + return Entries_interactions.objects.select_related().filter(interaction=self, type=TYPE_BAD) + + def bad_entry_count(self): + """Number of bad entries. Store the count in the interation field to save db queries.""" + if self.bad_entries < 0: + self.bad_entries = Entries_interactions.objects.filter(interaction=self, type=TYPE_BAD).count() + self.save() + return self.bad_entries + + def modified(self): + return Entries_interactions.objects.select_related().filter(interaction=self, type=TYPE_MODIFIED) + + def modified_entry_count(self): + """Number of modified entries. Store the count in the interation field to save db queries.""" + if self.modified_entries < 0: + self.modified_entries = Entries_interactions.objects.filter(interaction=self, type=TYPE_MODIFIED).count() + self.save() + return self.modified_entries + + def extra(self): + return Entries_interactions.objects.select_related().filter(interaction=self, type=TYPE_EXTRA) + + def extra_entry_count(self): + """Number of extra entries. Store the count in the interation field to save db queries.""" + if self.extra_entries < 0: + self.extra_entries = Entries_interactions.objects.filter(interaction=self, type=TYPE_EXTRA).count() + self.save() + return self.extra_entries + + objects = InteractiveManager() + + class Admin: + list_display = ('client', 'timestamp', 'state') + list_filter = ['client', 'timestamp'] + pass + class Meta: + get_latest_by = 'timestamp' + unique_together = ("client", "timestamp") + +class Reason(models.Model): + """reason why modified or bad entry did not verify, or changed.""" + owner = models.TextField(max_length=128, blank=True) + current_owner = models.TextField(max_length=128, blank=True) + group = models.TextField(max_length=128, blank=True) + current_group = models.TextField(max_length=128, blank=True) + perms = models.TextField(max_length=4, blank=True)#txt fixes typing issue + current_perms = models.TextField(max_length=4, blank=True) + status = models.TextField(max_length=3, blank=True)#on/off/(None) + current_status = models.TextField(max_length=1, blank=True)#on/off/(None) + to = models.TextField(max_length=256, blank=True) + current_to = models.TextField(max_length=256, blank=True) + version = models.TextField(max_length=128, blank=True) + current_version = models.TextField(max_length=128, blank=True) + current_exists = models.BooleanField()#False means its missing. Default True + current_diff = models.TextField(max_length=1280, blank=True) + def _str_(self): + return "Reason" + +class Entries(models.Model): + """Contains all the entries feed by the client.""" + name = models.CharField(max_length=128, db_index=True) + kind = models.CharField(max_length=16, choices=KIND_CHOICES, db_index=True) + + def __str__(self): + return self.name + +class Entries_interactions(models.Model): + """Define the relation between the reason, the interaction and the entry.""" + entry = models.ForeignKey(Entries) + reason = models.ForeignKey(Reason) + interaction = models.ForeignKey(Interaction) + type = models.IntegerField(choices=TYPE_CHOICES) + +class PerformanceManager(models.Manager): + """ + Provides ability to effectively query for performance information + It is possible this should move to the view + + """ + #Date format for maxdate: '2006-01-01 00:00:00' + def performance_per_client(self, maxdate = None): + from django.db import connection + cursor = connection.cursor() + if (maxdate == 'now' or maxdate == None): + cursor.execute("SELECT reports_client.name, reports_performance.metric, reports_performance.value "+ + "FROM reports_performance, reports_performance_interaction, reports_client WHERE ( "+ + "reports_client.current_interaction_id = reports_performance_interaction.interaction_id AND "+ + "reports_performance.id = reports_performance_interaction.performance_id)") + else: + cursor.execute("select reports_client.name, reports_performance.metric, "+ + "reports_performance.value from (Select reports_interaction.client_id as client_id, "+ + "MAX(reports_interaction.timestamp) as timestamp from reports_interaction where "+ + "timestamp < %s GROUP BY reports_interaction.client_id) x, reports_client, "+ + "reports_interaction, reports_performance, reports_performance_interaction where "+ + "reports_client.id = x.client_id AND x.timestamp = reports_interaction.timestamp AND "+ + "x.client_id = reports_interaction.client_id AND reports_performance.id = "+ + "reports_performance_interaction.performance_id AND "+ + "reports_performance_interaction.interaction_id = reports_interaction.id", [maxdate]) + + results = {} + for row in cursor.fetchall(): + try: + results[row[0]].__setitem__(row[1], row[2]) + except KeyError: + results[row[0]] = {row[1]:row[2]} + + return results + +#performance metrics, models a performance-metric-item +class Performance(models.Model): + """Object representing performance data for any interaction.""" + interaction = models.ManyToManyField(Interaction, related_name="performance_items") + metric = models.CharField(max_length=128) + value = models.DecimalField(max_digits=32, decimal_places=16) + def __str__(self): + return self.metric + + objects = PerformanceManager() + +class InternalDatabaseVersion(models.Model): + """Object that tell us to witch version is the database.""" + version = models.IntegerField() + updated = models.DateTimeField(auto_now_add=True) + + def __str__(self): + return "version %d updated the %s" % (self.version, self.updated.isoformat()) -- cgit v1.2.3-1-g7c22