Files
postgres-handholder/clusters/forms.py

152 lines
6.2 KiB
Python

from django import forms
from django.contrib.auth.models import User
from .models import PostgresCluster, ClusterUser, ClusterDatabase
class PostgresClusterForm(forms.ModelForm):
"""Form for creating and editing Postgres clusters."""
class Meta:
model = PostgresCluster
fields = [
'name', 'description', 'cluster_type', 'deployment_type',
'postgres_version', 'port', 'data_directory',
'cpu_limit', 'memory_limit', 'storage_size',
'host', 'external_port', 'admin_user', 'admin_password',
'extensions', 'libraries', 'tls_enabled', 'tls_cert_path',
'tls_key_path', 'tls_ca_path', 'pgpool_enabled', 'pgpool_instances'
]
widgets = {
'name': forms.TextInput(attrs={'class': 'form-control'}),
'description': forms.Textarea(attrs={'class': 'form-control', 'rows': 3}),
'cluster_type': forms.Select(attrs={'class': 'form-select'}),
'deployment_type': forms.Select(attrs={'class': 'form-select'}),
'postgres_version': forms.Select(attrs={'class': 'form-select'}, choices=[
('13', 'PostgreSQL 13'),
('14', 'PostgreSQL 14'),
('15', 'PostgreSQL 15'),
('16', 'PostgreSQL 16'),
('17', 'PostgreSQL 17'),
]),
'port': forms.NumberInput(attrs={'class': 'form-control'}),
'data_directory': forms.TextInput(attrs={'class': 'form-control'}),
'cpu_limit': forms.TextInput(attrs={'class': 'form-control'}),
'memory_limit': forms.TextInput(attrs={'class': 'form-control'}),
'storage_size': forms.TextInput(attrs={'class': 'form-control'}),
'host': forms.TextInput(attrs={'class': 'form-control'}),
'external_port': forms.NumberInput(attrs={'class': 'form-control'}),
'admin_user': forms.TextInput(attrs={'class': 'form-control'}),
'admin_password': forms.PasswordInput(attrs={'class': 'form-control'}),
'tls_cert_path': forms.TextInput(attrs={'class': 'form-control'}),
'tls_key_path': forms.TextInput(attrs={'class': 'form-control'}),
'tls_ca_path': forms.TextInput(attrs={'class': 'form-control'}),
'pgpool_instances': forms.NumberInput(attrs={'class': 'form-control'}),
}
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
# Set default values for extensions and libraries
if not self.instance.pk:
self.fields['extensions'].initial = [
'pg_stat_statements',
'pg_auth_mon',
]
self.fields['libraries'].initial = [
'bg_mon',
'pg_stat_statements',
'pgextwlist',
'pg_auth_mon',
]
def clean_name(self):
name = self.cleaned_data['name']
if not name.replace('-', '').replace('_', '').isalnum():
raise forms.ValidationError(
'Cluster name can only contain letters, numbers, hyphens, and underscores.'
)
return name
def clean_admin_password(self):
password = self.cleaned_data['admin_password']
if len(password) < 8:
raise forms.ValidationError(
'Admin password must be at least 8 characters long.'
)
return password
class ClusterUserForm(forms.ModelForm):
"""Form for creating and editing cluster users."""
confirm_password = forms.CharField(
widget=forms.PasswordInput(attrs={'class': 'form-control'}),
help_text='Confirm the password'
)
class Meta:
model = ClusterUser
fields = [
'username', 'password', 'is_superuser', 'can_create_db',
'can_login', 'permissions'
]
widgets = {
'username': forms.TextInput(attrs={'class': 'form-control'}),
'password': forms.PasswordInput(attrs={'class': 'form-control'}),
'is_superuser': forms.CheckboxInput(attrs={'class': 'form-check-input'}),
'can_create_db': forms.CheckboxInput(attrs={'class': 'form-check-input'}),
'can_login': forms.CheckboxInput(attrs={'class': 'form-check-input'}),
'permissions': forms.Textarea(attrs={'class': 'form-control', 'rows': 3}),
}
def clean_username(self):
username = self.cleaned_data['username']
if not username.replace('_', '').isalnum():
raise forms.ValidationError(
'Username can only contain letters, numbers, and underscores.'
)
return username
def clean(self):
cleaned_data = super().clean()
password = cleaned_data.get('password')
confirm_password = cleaned_data.get('confirm_password')
if password and confirm_password and password != confirm_password:
raise forms.ValidationError('Passwords do not match.')
return cleaned_data
class ClusterDatabaseForm(forms.ModelForm):
"""Form for creating and editing cluster databases."""
class Meta:
model = ClusterDatabase
fields = ['name', 'owner', 'encoding', 'collation', 'ctype']
widgets = {
'name': forms.TextInput(attrs={'class': 'form-control'}),
'owner': forms.Select(attrs={'class': 'form-select'}),
'encoding': forms.Select(attrs={'class': 'form-select'}, choices=[
('UTF8', 'UTF8'),
('LATIN1', 'LATIN1'),
('SQL_ASCII', 'SQL_ASCII'),
]),
'collation': forms.TextInput(attrs={'class': 'form-control'}),
'ctype': forms.TextInput(attrs={'class': 'form-control'}),
}
def __init__(self, *args, **kwargs):
cluster = kwargs.pop('cluster', None)
super().__init__(*args, **kwargs)
if cluster:
self.fields['owner'].queryset = cluster.users.all()
def clean_name(self):
name = self.cleaned_data['name']
if not name.replace('_', '').isalnum():
raise forms.ValidationError(
'Database name can only contain letters, numbers, and underscores.'
)
return name