Google Cloud Deployment ManagerはPreviewができる ref: http://qiita.com/marcy-terui/items/e18224db0db2d6e304fd

file0.txt

gcloud deployment-manager deployments <操作名> <デプロイメント名> --config <テンプレートファイルのパス> --preview

file1.yml

resources:
- name: cloudsql-instance
  type: sqladmin.v1beta4.instance
  properties:
    region: us-central
    instanceType: CLOUD_SQL_INSTANCE
    settings:
      tier: D1
      activationPolicy: ON_DEMAND
- name: sample_db
  type: sqladmin.v1beta4.database
  properties:
    instance: $(ref.cloudsql-instance.name)
    charset: utf8mb4
    collation: utf8mb4_general_ci

file10.txt

marcy@marcy-ubuntu:~$ gcloud deployment-manager deployments update sample-deploy --config cloud-sql.yml --preview
Waiting for update operation-1450436669687-5272a1a7744d8-79551062-f0eb9ff4...done.
Update operation operation-1450436669687-5272a1a7744d8-79551062-f0eb9ff4 completed successfully.
NAME               TYPE                       STATE       ERRORS
cloudsql-instance  sqladmin.v1beta4.instance  COMPLETED   -
sample_db          sqladmin.v1beta4.database  COMPLETED   -
sample_db_2        sqladmin.v1beta4.database  IN_PREVIEW  -

marcy@marcy-ubuntu:~$ gcloud deployment-manager deployments cancel-preview sample-deploy
Waiting for cancel-preview operation-1450436708378-5272a1cc5a590-bb26393f-95ec5cc2...done.
Cancel preview operation operation-1450436708378-5272a1cc5a590-bb26393f-95ec5cc2 completed successfully.
NAME               TYPE                       STATE      ERRORS
cloudsql-instance  sqladmin.v1beta4.instance  COMPLETED  -
sample_db          sqladmin.v1beta4.database  COMPLETED  -
sample_db_2        sqladmin.v1beta4.database  COMPLETED  -

file2.txt

marcy@marcy-ubuntu:~$ gcloud deployment-manager deployments create sample-deploy --config cloud-sql.yml --preview
Waiting for create operation-1450429178867-527285bfa6d38-b87344ea-200e0e5d...done.
Create operation operation-1450429178867-527285bfa6d38-b87344ea-200e0e5d completed successfully.
NAME               TYPE                       STATE       ERRORS
cloudsql-instance  sqladmin.v1beta4.instance  IN_PREVIEW  -
sample_db          sqladmin.v1beta4.database  IN_PREVIEW  -

file3.txt

marcy@marcy-ubuntu:~$ gcloud deployment-manager deployments update sample-deploy
Waiting for update operation-1450429201683-527285d56923b-123f8853-97528672...done.
Update operation operation-1450429201683-527285d56923b-123f8853-97528672 completed successfully.
NAME               TYPE                       STATE      ERRORS
cloudsql-instance  sqladmin.v1beta4.instance  COMPLETED  -
sample_db          sqladmin.v1beta4.database  COMPLETED  -

file4.yml

resources:
- name: cloudsql-instance
  type: sqladmin.v1beta4.instance
  properties:
    region: us-central
    instanceType: CLOUD_SQL_INSTANCE
    settings:
      tier: D1
      activationPolicy: ON_DEMAND
- name: sample_db
  type: sqladmin.v1beta4.database
  properties:
    instance: $(ref.cloudsql-instance.name)
    charset: utf8mb4
    collation: utf8mb4_general_ci
- name: sample_db_2
  type: sqladmin.v1beta4.database
  properties:
    instance: $(ref.cloudsql-instance.name)
    charset: utf8mb4
    collation: utf8mb4_general_ci

file5.txt

marcy@marcy-ubuntu:~$ gcloud deployment-manager deployments update sample-deploy --config cloud-sql.yml --preview
Waiting for update operation-1450429831076-5272882da58a0-e242a24a-ccb9de67...done.
Update operation operation-1450429831076-5272882da58a0-e242a24a-ccb9de67 completed successfully.
NAME               TYPE                       STATE       ERRORS
cloudsql-instance  sqladmin.v1beta4.instance  COMPLETED   -
sample_db          sqladmin.v1beta4.database  COMPLETED   -
sample_db_2        sqladmin.v1beta4.database  IN_PREVIEW  -

file6.txt

marcy@marcy-ubuntu:~$ gcloud deployment-manager deployments update sample-deploy
Waiting for update operation-1450429913772-5272887c82fe0-71ea9698-3902a139...done.
Update operation operation-1450429913772-5272887c82fe0-71ea9698-3902a139 completed successfully.
NAME               TYPE                       STATE      ERRORS
cloudsql-instance  sqladmin.v1beta4.instance  COMPLETED  -
sample_db          sqladmin.v1beta4.database  COMPLETED  -
sample_db_2        sqladmin.v1beta4.database  COMPLETED  -

file7.yml

resources:
- name: cloudsql-instance
  type: sqladmin.v1beta4.instance
  properties:
    region: us-central
    instanceType: CLOUD_SQL_INSTANCE
    settings:
      tier: D1
      activationPolicy: ON_DEMAND
- name: sample_db
  type: sqladmin.v1beta4.database
  properties:
    instance: $(ref.cloudsql-instance.name)
    charset: utf8mb4
    collation: utf8mb4_general_ci
- name: sample_db_2
  type: sqladmin.v1beta4.database
  properties:
    instance: $(ref.cloudsql-instance.name)
    charset: utf8 # <- here!!
    collation: utf8_general_ci #<-here!!

file8.txt

marcy@marcy-ubuntu:~$ gcloud deployment-manager deployments update sample-deploy --config cloud-sql.yml --preview
Waiting for update operation-1450430214580-5272899b62721-5a3da25c-8b02793a...done.
Update operation operation-1450430214580-5272899b62721-5a3da25c-8b02793a completed successfully.
NAME               TYPE                       STATE       ERRORS
cloudsql-instance  sqladmin.v1beta4.instance  COMPLETED   -
sample_db          sqladmin.v1beta4.database  COMPLETED   -
sample_db_2        sqladmin.v1beta4.database  IN_PREVIEW  -

file9.txt

marcy@marcy-ubuntu:~$ gcloud deployment-manager deployments update sample-deploy
Waiting for update operation-1450434821949-52729ac550648-b01326ac-036f0ea0...done.
Update operation operation-1450434821949-52729ac550648-b01326ac-036f0ea0 completed successfully.
NAME               TYPE                       STATE      ERRORS
cloudsql-instance  sqladmin.v1beta4.instance  COMPLETED  -
sample_db          sqladmin.v1beta4.database  COMPLETED  -
sample_db_2        sqladmin.v1beta4.database  COMPLETED  -