Applications: use new roles in the 'crud' sample

Author: andreyaksenov

doc/code_snippets/snippets/sharding/instances.enabled/sharded_cluster_crud/config.yaml

@@ -19,7 +19,9 @@ sharding:
 
 groups:
   storages:
-    roles: [storage]
+    roles: [roles.crud-storage]
+    app:
+      module: storage
     sharding:
       roles: [storage]
     replication:
@@ -48,7 +50,17 @@ groups:
               listen:
               - uri: '127.0.0.1:3305'
   routers:
-    roles: [router]
+    roles: [roles.crud-router]
+    roles_cfg:
+      roles.crud-router:
+        stats: true
+        stats_driver: metrics
+        stats_quantiles: false
+        stats_quantile_tolerated_error: 0.001
+        stats_quantile_age_buckets_count: 5
+        stats_quantile_max_age_time: 180
+    app:
+      module: router
     sharding:
       roles: [router]
     replicasets:

doc/code_snippets/snippets/sharding/instances.enabled/sharded_cluster_crud/router.lua

@@ -1,17 +1 @@
 local vshard = require('vshard')
-local crud = require('crud')
-
-local M = {}
-
-function M.validate()
-end
-
-function M.apply()
-    crud.init_router()
-end
-
-function M.stop()
-    crud.stop_router()
-end
-
-return M

doc/code_snippets/snippets/sharding/instances.enabled/sharded_cluster_crud/storage.lua

@@ -1,29 +1,17 @@
-local crud = require('crud')
-
-local M = {}
-
-function M.validate()
-end
-
-function M.apply()
-    crud.init_storage()
-    if box.info.ro ~= true then
-        box.schema.create_space('bands', {
-            format = {
-                { name = 'id', type = 'unsigned' },
-                { name = 'bucket_id', type = 'unsigned' },
-                { name = 'band_name', type = 'string' },
-                { name = 'year', type = 'unsigned' }
-            },
-            if_not_exists = true
-        })
-        box.space.bands:create_index('id', { parts = { 'id' }, if_not_exists = true })
-        box.space.bands:create_index('bucket_id', { parts = { 'bucket_id' }, unique = false, if_not_exists = true })
+box.watch('box.status', function()
+    if box.info.ro then
+        return
     end
-end
-
-function M.stop()
-    crud.stop_storage()
-end
 
-return M
+    box.schema.create_space('bands', {
+        format = {
+            { name = 'id', type = 'unsigned' },
+            { name = 'bucket_id', type = 'unsigned' },
+            { name = 'band_name', type = 'string' },
+            { name = 'year', type = 'unsigned' }
+        },
+        if_not_exists = true
+    })
+    box.space.bands:create_index('id', { parts = { 'id' }, if_not_exists = true })
+    box.space.bands:create_index('bucket_id', { parts = { 'bucket_id' }, unique = false, if_not_exists = true })
+end)