Tidy master codes

src/com/migrations/README

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+Generic single-database configuration.

src/com/migrations/alembic.ini

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+# A generic, single database configuration.
+
+[alembic]
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S

src/com/migrations/env.py

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+from __future__ import with_statement
+from alembic import context
+from sqlalchemy import engine_from_config, pool
+from logging.config import fileConfig
+import logging
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+fileConfig(config.config_file_name)
+logger = logging.getLogger('alembic.env')
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+from flask import current_app
+config.set_main_option('sqlalchemy.url',
+                       current_app.config.get('SQLALCHEMY_DATABASE_URI'))
+target_metadata = current_app.extensions['migrate'].db.metadata
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(url=url)
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online():
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+
+    # this callback is used to prevent an auto-migration from being generated
+    # when there are no changes to the schema
+    # reference: http://alembic.readthedocs.org/en/latest/cookbook.html
+    def process_revision_directives(context, revision, directives):
+        if getattr(config.cmd_opts, 'autogenerate', False):
+            script = directives[0]
+            if script.upgrade_ops.is_empty():
+                directives[:] = []
+                logger.info('No changes in schema detected.')
+
+    engine = engine_from_config(config.get_section(config.config_ini_section),
+                                prefix='sqlalchemy.',
+                                poolclass=pool.NullPool)
+
+    connection = engine.connect()
+    context.configure(connection=connection,
+                      target_metadata=target_metadata,
+                      process_revision_directives=process_revision_directives,
+                      **current_app.extensions['migrate'].configure_args)
+
+    try:
+        with context.begin_transaction():
+            context.run_migrations()
+    finally:
+        connection.close()
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

src/com/migrations/script.py.mako

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+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision}
+Create Date: ${create_date}
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}

src/com/migrations/versions/37dcfdb2604_.py

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+"""empty message
+
+Revision ID: 37dcfdb2604
+Revises: None
+Create Date: 2018-04-22 11:58:48.307690
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '37dcfdb2604'
+down_revision = None
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('apply_msg',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('username', sa.String(length=10), nullable=True),
+    sa.Column('number', sa.Integer(), nullable=True),
+    sa.Column('reason', sa.String(length=600), nullable=True),
+    sa.Column('status', sa.String(length=10), nullable=True),
+    sa.Column('time', sa.DateTime(timezone=10), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('image',
+    sa.Column('imagename', sa.String(length=50), nullable=True),
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('hasPrivate', sa.Boolean(), nullable=True),
+    sa.Column('hasPublic', sa.Boolean(), nullable=True),
+    sa.Column('ownername', sa.String(length=20), nullable=True),
+    sa.Column('create_time', sa.DateTime(), nullable=True),
+    sa.Column('description', sa.Text(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('v_cluster',
+    sa.Column('clusterid', sa.BigInteger(), autoincrement=False, nullable=False),
+    sa.Column('clustername', sa.String(length=50), nullable=True),
+    sa.Column('ownername', sa.String(length=20), nullable=True),
+    sa.Column('status', sa.String(length=10), nullable=True),
+    sa.Column('size', sa.Integer(), nullable=True),
+    sa.Column('nextcid', sa.Integer(), nullable=True),
+    sa.Column('create_time', sa.DateTime(), nullable=True),
+    sa.Column('start_time', sa.String(length=20), nullable=True),
+    sa.Column('proxy_server_ip', sa.String(length=20), nullable=True),
+    sa.Column('proxy_public_ip', sa.String(length=20), nullable=True),
+    sa.PrimaryKeyConstraint('clusterid')
+    )
+    op.create_table('v_node',
+    sa.Column('name', sa.String(length=100), nullable=False),
+    sa.Column('laststopcpuval', sa.Float(), nullable=True),
+    sa.Column('laststopruntime', sa.Integer(), nullable=True),
+    sa.Column('billing', sa.Integer(), nullable=True),
+    sa.PrimaryKeyConstraint('name')
+    )
+    op.create_table('billing_history',
+    sa.Column('node_name', sa.String(length=100), nullable=False),
+    sa.Column('vclusterid', sa.Integer(), nullable=True),
+    sa.Column('cpu', sa.Float(), nullable=True),
+    sa.Column('mem', sa.Float(), nullable=True),
+    sa.Column('disk', sa.Float(), nullable=True),
+    sa.Column('port', sa.Float(), nullable=True),
+    sa.ForeignKeyConstraint(['vclusterid'], ['v_cluster.clusterid'], ),
+    sa.PrimaryKeyConstraint('node_name')
+    )
+    op.create_table('container',
+    sa.Column('containername', sa.String(length=100), nullable=False),
+    sa.Column('hostname', sa.String(length=30), nullable=True),
+    sa.Column('ip', sa.String(length=20), nullable=True),
+    sa.Column('host', sa.String(length=20), nullable=True),
+    sa.Column('image', sa.String(length=50), nullable=True),
+    sa.Column('lastsave', sa.DateTime(), nullable=True),
+    sa.Column('setting_cpu', sa.Integer(), nullable=True),
+    sa.Column('setting_mem', sa.Integer(), nullable=True),
+    sa.Column('setting_disk', sa.Integer(), nullable=True),
+    sa.Column('vclusterid', sa.Integer(), nullable=True),
+    sa.ForeignKeyConstraint(['vclusterid'], ['v_cluster.clusterid'], ),
+    sa.PrimaryKeyConstraint('containername')
+    )
+    op.create_table('history',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('vnode', sa.String(length=100), nullable=True),
+    sa.Column('action', sa.String(length=30), nullable=True),
+    sa.Column('runningtime', sa.Integer(), nullable=True),
+    sa.Column('cputime', sa.Float(), nullable=True),
+    sa.Column('billing', sa.Integer(), nullable=True),
+    sa.Column('actionTime', sa.DateTime(), nullable=True),
+    sa.ForeignKeyConstraint(['vnode'], ['v_node.name'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('port_mapping',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('node_name', sa.String(length=100), nullable=True),
+    sa.Column('node_ip', sa.String(length=20), nullable=True),
+    sa.Column('node_port', sa.Integer(), nullable=True),
+    sa.Column('host_port', sa.Integer(), nullable=True),
+    sa.Column('vclusterid', sa.Integer(), nullable=True),
+    sa.ForeignKeyConstraint(['vclusterid'], ['v_cluster.clusterid'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    ### end Alembic commands ###
+
+
+def downgrade():
+    ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('port_mapping')
+    op.drop_table('history')
+    op.drop_table('container')
+    op.drop_table('billing_history')
+    op.drop_table('v_node')
+    op.drop_table('v_cluster')
+    op.drop_table('image')
+    op.drop_table('apply_msg')
+    ### end Alembic commands ###