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1
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class CreateDockerImages < ActiveRecord::Migration
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2
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def up
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3
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create_table :docker_images do |t|
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4
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t.string :image_id
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5
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t.integer :size
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6
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t.timestamps
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7
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end
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8
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9
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create_table :docker_tags do |t|
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10
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t.string :tag
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11
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t.references :docker_image, :null => false
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12
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t.timestamps
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13
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end
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14
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add_foreign_key :docker_tags, :docker_images,
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15
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:column => :docker_image_id
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16
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17
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remove_column :containers, :image
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18
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remove_column :containers, :tag
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19
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add_column :containers, :docker_image_id, :integer
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20
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add_column :containers, :docker_tag_id, :integer
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21
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add_foreign_key :containers, :docker_images,
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22
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:column => :docker_image_id
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23
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add_foreign_key :containers, :docker_tags,
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24
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:column => :docker_tag_id
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25
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end
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26
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27
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def down
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28
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drop_table :docker_images
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29
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drop_table :docker_tags
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30
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31
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add_column :containers, :image, :string
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32
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add_column :containers, :tag, :string
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33
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remove_column :containers, :docker_image_id
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34
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remove_column :containers, :docker_tag_id
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35
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end
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36
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end
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