Painless deployment with Capistrano

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ВЫКЛАДКА БЕЗ БОЛИ С CAPISTRANO PAINLESS DEPLOYMENT WITH CAPISTRANO / Николай Кугаевский @kugaevsky

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TRUE OLD SCHOOL Rsync SCP FTP

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NOT SO OLD ssh → git pull Fabric

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MONSTAZ! Puppet Chef Salt Ansible

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CAPISTRANO TO THE RESCUE

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CAPISTRANO Capistrano is a remote server automation and deployment tool written in Ruby. It supports the scripting and execution of arbitrary tasks, and includes a set of sane-default deployment workflows.

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CAPISTRANO Ruby Open source Expressive DSL Simity 0-time deploy/rollback Multistaging Roles

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INSTALL AND INIT $ c d m y _ p e r f e c t _ a p p $ g e m i n s t a l l c a p i s t r a n o $ c a p i n s t a l l

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CONFIG # c o n f i g / d e p l o y . r b s e t : a p p l i c a t i o n , ' s l i d e s ' s e t : r e p o _ u r l , ' g i t @ g i t h u b . c o m : k u g a e v s k y / s l i d e s . g i t ' # c o n f i g / d e p l o y / s t a g i n g . r b r o l e : a p p , % w { n i c k @ k u g a e v s k y . r u } s e t : d e p l o y _ t o , ' / h o m e / k u g a e v s k y / w w w / s l i d e s . k u g a e v s k y . r u ' s e t : u s e r , ' n i c k '

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ANATOMY LOCAL m y _ p e r f e c t _ a p p ├ ─ ─ C a p f i l e ├ ─ ─ c o n f i g │ ├ ─ ─ d e p l o y │ │ ├ ─ ─ p r o d u c t i o n . r b │ │ ├ ─ ─ s t a g i n g . r b │ │ └ ─ ─ . . . │ └ ─ ─ d e p l o y . r b └ ─ ─ l i b └ ─ ─ c a p i s t r a n o └ ─ ─ t a s k s

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ANATOMY HOST m y _ p e r f e c t _ a p p ├ ─ ─ c u r r e n t → . . / r e l e a s e s / 2 0 1 4 1 2 0 9 2 2 2 1 0 3 ├ ─ ─ r e l e a s e s │ ├ ─ ─ 2 0 1 4 1 2 0 9 2 2 0 7 0 3 │ ├ ─ ─ 2 0 1 4 1 2 0 9 2 2 2 1 0 3 │ └ ─ ─ . . . ├ ─ ─ r e p o │ ├ ─ ─ b r a n c h e s │ ├ ─ ─ c o n f i g │ ├ ─ ─ d e s c r i p t i o n │ └ ─ ─ . . . └ ─ ─ s h a r e d ├ ─ ─ n o d e _ m o d u l e s ├ ─ ─ u p l o a d s ├ ─ ─ v e n d o r └ ─ ─ . . .

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DEPLOY FLOW d e p l o y : s t a r t i n g # s t a r t a d e p l o y m e n t , m a k e s u r e e v e r y t h i n g i s r e a d y d e p l o y : s t a r t e d # s t a r t e d h o o k ( f o r c u s t o m t a s k s ) d e p l o y : u p d a t i n g # u p d a t e s e r v e r ( s ) w i t h a n e w r e l e a s e d e p l o y : u p d a t e d # u p d a t e d h o o k d e p l o y : p u b l i s h i n g # p u b l i s h t h e n e w r e l e a s e d e p l o y : p u b l i s h e d # p u b l i s h e d h o o k d e p l o y : f i n i s h i n g # f i n i s h t h e d e p l o y m e n t , c l e a n u p e v e r y t h i n g d e p l o y : f i n i s h e d # f i n i s h e d h o o k

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ROLLBACK FLOW d e p l o y : s t a r t i n g d e p l o y : s t a r t e d d e p l o y : r e v e r t i n g # r e v e r t s e r v e r ( s ) t o p r e v i o u s r e l e a s e d e p l o y : r e v e r t e d # r e v e r t e d h o o k d e p l o y : p u b l i s h i n g d e p l o y : p u b l i s h e d d e p l o y : f i n i s h i n g _ r o l l b a c k # f i n i s h t h e r o l l b a c k , c l e a n u p e v e r y t h i n g d e p l o y : f i n i s h e d

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PLUGINS! # C a p f i l e r e q u i r e ' c a p i s t r a n o / r v m ' r e q u i r e ' c a p i s t r a n o / r b e n v ' r e q u i r e ' c a p i s t r a n o / c h r u b y ' r e q u i r e ' c a p i s t r a n o / b u n d l e r ' r e q u i r e ' c a p i s t r a n o / r a i l s / a s s e t s ' r e q u i r e ' c a p i s t r a n o / r a i l s / m i g r a t i o n s '

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REAL WORLD EXAMPLE # c o n f i g / d e p l o y . r b d e s c ' C r e a t e s y m l i n k s f o r n p m m o d u l e s ' t a s k : n p m d o o n r o l e s ( : a p p ) d o e x e c u t e " l n - n f s # { s h a r e d _ p a t h } / n o d e _ m o d u l e s # { r e l e a s e _ p a t h } / n o d e _ m o d u l e s " e n d e n d d e s c ' I n s t a l l n p m m o d u l e s ' t a s k : n p m d o o n r o l e s ( : a p p ) d o e x e c u t e " c d # { r e l e a s e _ p a t h } & & n p m i n s t a l l " e n d e n d d e s c ' C o m p i l e a s s e t s ' t a s k : c o m p i l e _ a s s e t s d o o n r o l e s ( : a p p ) d o e x e c u t e " c d # { r e l e a s e _ p a t h } & & # { s h a r e d _ p a t h } / n o d e _ m o d u l e s / . b i n / g u l p c o m p i l e : p r o d u c t i o e n d e n d

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ALTERNATIVES Vlad the Deployer Mina

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READING Capistrano official site Repository on GitHub How To Use Capistrano to Automate Deployments

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СПАСИБО ВЫКЛАДКА БЕЗ БОЛИ С CAPISTRANO PAINLESS DEPLOYMENT WITH CAPISTRANO для http://slides.kugaevsky.ru/ Николай Кугаевский rannts#3