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24 changes: 24 additions & 0 deletions netbox_docker_plugin/migrations/0034_volume_max_size.py
Original file line number Diff line number Diff line change
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# pylint: disable=C0103
"""Migration file"""

from django.db import migrations, models


class Migration(migrations.Migration):
"""Migration file"""

dependencies = [
("netbox_docker_plugin", "0034_container_log_driver_alter_container_containerid_and_more"),
]

operations = [
migrations.AddField(
model_name="volume",
name="max_size",
field=models.PositiveIntegerField(
null=True,
blank=True,
default=None,
),
),
]
Original file line number Diff line number Diff line change
@@ -0,0 +1,127 @@
# pylint: disable=C0103
"""Migration file"""

import django.core.validators
import django.db.models.deletion
from django.db import migrations, models, connection


def apply_database_changes(apps, schema_editor):
table_container = "netbox_docker_plugin_container"
table_logdriveroption = "netbox_docker_plugin_logdriveroption"
index_name = "netbox_docker_plugin_logdriveroption_unique_option_name_contain"

with connection.cursor() as cursor:
existing_tables = connection.introspection.table_names(cursor)

if table_container in existing_tables:
columns = {
col.name
for col in connection.introspection.get_table_description(
cursor, table_container
)
}
if "log_driver" not in columns:
cursor.execute(
f"ALTER TABLE {table_container} "
"ADD COLUMN log_driver varchar(32) NOT NULL DEFAULT 'json-log'"
)

if table_logdriveroption not in existing_tables:
cursor.execute(
f"""
CREATE TABLE {table_logdriveroption} (
id bigserial PRIMARY KEY,
option_name varchar(255) NOT NULL,
value varchar(4096) NOT NULL DEFAULT '',
container_id bigint NOT NULL
REFERENCES {table_container}(id)
ON DELETE CASCADE
)
"""
)

constraints = (
connection.introspection.get_constraints(cursor, table_logdriveroption)
if table_logdriveroption in connection.introspection.table_names(cursor)
else {}
)
if index_name not in constraints:
cursor.execute(
f"""
CREATE UNIQUE INDEX {index_name}
ON {table_logdriveroption} (container_id, option_name)
"""
)


class Migration(migrations.Migration):
"""Migration file"""

dependencies = [
("netbox_docker_plugin", "0034_volume_max_size"),
]

operations = [
migrations.SeparateDatabaseAndState(
database_operations=[
migrations.RunPython(apply_database_changes, migrations.RunPython.noop),
],
state_operations=[
migrations.AddField(
model_name="container",
name="log_driver",
field=models.CharField(default="json-log", max_length=32),
),
migrations.CreateModel(
name="LogDriverOption",
fields=[
(
"id",
models.BigAutoField(
auto_created=True, primary_key=True, serialize=False
),
),
(
"option_name",
models.CharField(
max_length=255,
validators=[
django.core.validators.MinLengthValidator(limit_value=1),
django.core.validators.MaxLengthValidator(limit_value=255),
],
),
),
(
"value",
models.CharField(
blank=True,
max_length=4096,
validators=[
django.core.validators.MaxLengthValidator(limit_value=4096)
],
),
),
(
"container",
models.ForeignKey(
on_delete=django.db.models.deletion.CASCADE,
related_name="log_driver_options",
to="netbox_docker_plugin.container",
),
),
],
options={
"ordering": ("container", "option_name"),
},
),
migrations.AddConstraint(
model_name="logdriveroption",
constraint=models.UniqueConstraint(
fields=("option_name", "container"),
name="netbox_docker_plugin_logdriveroption_unique_option_name_container",
),
),
],
),
]