Gitlab变量可以在几个地方设置：

1. 在群组设定中
2. 在项目设置中
3. 内.gitlab-ci.yml

在这种情况下，可以将组和项目的设置中的变量设置为“文件”或“普通变量”，然后选中“保护”和“掩码”框。

让我们从简单的继承开始，并将逐渐变得更复杂。

优先级的最终列表可在文档末尾找到。

^[]

, , .

.gitlab-ci.yml

image: busybox:latest
variables:
  GIT_STRATEGY: none

echo:
  stage: test
  script:
    - echo $MSG

$ echo $MSG
B

B, .

.gitlab-ci.yml ^[]

: , .

c

.gitlab-ci.yml

2 , $MSG.

image: busybox:latest
variables:
  GIT_STRATEGY: none
  MSG: "Custom in global .gitlab-ci.yml"

echo:
  stage: test
  script:
    - echo $MSG

echo with var:
  stage: test
  variables:
    MSG: "Custom in job .gitlab-ci.yml"
  script:
    - echo $MSG

• echo:

  
  

  $ echo $MSG
  Custom in global .gitlab-ci.yml
  Job succeeded

  
  

• echo with vars:

  
  

  $ echo $MSG
  Custom in job .gitlab-ci.yml
  Job succeeded

  
  

  ---

  
  

.gitlab-ci.yml ^[]

2 . .gitlab-ci.yml.

c

.gitlab-ci.yml

image: busybox:latest
variables:
  GIT_STRATEGY: none
  MSG: "Custom in global .gitlab-ci.yml"

echo:
  stage: test
  script:
    - echo $MSG

echo with var:
  stage: test
  variables:
    MSG: "Custom in job .gitlab-ci.yml"
  script:
    - echo $MSG

• echo:

  
  

  $ echo $MSG
  Y
  Job succeeded

  
  

• echo with vars:

  
  

  $ echo $MSG
  Y
  Job succeeded

  
  

  ---

  
  

^[]

! , .gitlab-ci.yml .

c

.

.gitlab-ci.yml

. , , .gitlab-ci.yml, .

image: busybox:latest
variables:
  GIT_STRATEGY: none
  MSG: "Custom in global .gitlab-ci.yml"

echo:
  stage: test
  script:
    - echo $MSG

echo with var:
  stage: test
  variables:
    MSG: "Custom in job .gitlab-ci.yml"
  script:
    - echo $MSG

• echo:

  
  

  $ echo $MSG
  project-3
  Job succeeded

  
  

• echo with vars:

  
  

  $ echo $MSG
  project-3
  Job succeeded

  
  

  ---

  
  

^[]

–
– Null

c

.gitlab-ci.yml

image: busybox:latest
variables:
  GIT_STRATEGY: none
  MSG: "Custom in global .gitlab-ci.yml"

echo:
  stage: test
  script:
    - echo $MSG

echo with var:
  stage: test
  variables:
    MSG: "Custom in job .gitlab-ci.yml"
  script:
    - echo $MSG

• echo:

  
  

  $ echo $MSG
  Job succeeded

  
  

• echo with vars:

  
  

  $ echo $MSG
  Job succeeded

  
  

  ---

  
  

^[]

project-2 project-3
.

c

.gitlab-ci.yml

.gitlab-ci.yml

variables:
 MSG: "With  include  .gitlab-ci.yml"
include:
 - project: how-is-gitlab-ci-inherit-environment-variables/z/y/project-3
   file: '.gitlab-ci.yml'

• echo:

  
  

  $ echo $MSG
  B
  Job succeeded

  
  

• echo with vars:

  
  

  $ echo $MSG
  B
  Job succeeded

  
  

  ---

  
  

^[]

project-2 project-3.
C : , .

c

.gitlab-ci.yml

variables:
 MSG: "With  include  .gitlab-ci.yml"
include:
 - project: how-is-gitlab-ci-inherit-environment-variables/z/y/project-3
   file: '.gitlab-ci.yml'

• echo:

  
  

  $ echo $MSG
  With include .gitlab-ci.yml
  Job succeeded

  
  

• echo with vars:

  
  

  $ echo $MSG
  Custom in job .gitlab-ci.yml
  Job succeeded

  
  

:

3. ( )
4. .gitlab-ci.yml

最明显的一点是，规则“对变量越接近代码，它越重要”首先适用于组，然后对.gitlab-ci.yml中的变量适用相同的规则，但前提是未定义组中的变量。
此外，重要的一点是要了解核心和排除的.gitlab-ci.yml的全局空间是通用的。并且其中包含发生的文件优先。