１．目的
yamllint で以下のworningのみを抑止する
・line too long (82 > 80 characters) (line-length)
・comment
・trailing spaces

２． yamllint　version

# yamllint -v
yamllint 1.26.0

３．Default configuration

yaml-files:
  - '*.yaml'
  - '*.yml'
  - '.yamllint'

rules:
  braces: enable
  brackets: enable
  colons: enable
  commas: enable
  comments:
    level: warning
  comments-indentation:
    level: warning
  document-end: disable
  document-start:
    level: warning
  empty-lines: enable
  empty-values: disable
  hyphens: enable
  indentation: enable
  key-duplicates: enable
  key-ordering: disable
  line-length: enable
  new-line-at-end-of-file: enable
  new-lines: enable
  octal-values: disable
  quoted-strings: disable
  trailing-spaces: enable
  truthy:
    level: warning

４．configuration file　の作成

# vi .yamllint

５．line too long (82 > 80 characters) (line-length)とcommentを抑止
80行から120行に変更
・before

  comments:
    level: warning
  line-length: enable
  trailing-spaces: enable

・after

  comments: enable
  line-length:
    max: 120
    allow-non-breakable-words: true
    allow-non-breakable-inline-mappings: false
  trailing-spaces: disable

５．configuration file　の作成後

# cat .yamllint
---

yaml-files:
  - '*.yaml'
  - '*.yml'
  - '.yamllint'

rules:
  braces: enable
  brackets: enable
  colons: enable
  commas: enable
  comments: enable
  comments-indentation:
    level: warning
  document-end: disable
  document-start:
    level: warning
  empty-lines: enable
  empty-values: disable
  hyphens: enable
  indentation: enable
  key-duplicates: enable
  key-ordering: disable
  line-length:
    max: 120
    allow-non-breakable-words: true
    allow-non-breakable-inline-mappings: false
  new-line-at-end-of-file: enable
  new-lines: enable
  octal-values: disable
  quoted-strings: disable
  trailing-spaces: disable
  truthy:
    level: warning