Class: Kontena::Cli::Stacks::YAML::Validations::CustomValidators::HooksValidator

Inherits:
HashValidator::Validator::Base
  • Object
show all
Defined in:
lib/kontena/cli/stacks/yaml/custom_validators/hooks_validator.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ HooksValidator

Returns a new instance of HooksValidator.



3
4
5
 
# File 'lib/kontena/cli/stacks/yaml/custom_validators/hooks_validator.rb', line 3

def initialize
  super('stacks_valid_hooks')
end

Instance Method Details

#validate(key, value, validations, errors) ⇒ Object 



7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
# File 'lib/kontena/cli/stacks/yaml/custom_validators/hooks_validator.rb', line 7

def validate(key, value, validations, errors)
  unless value.is_a?(Hash)
    errors[key] = "must be a mapping, not #{value.class}"
    return
  end

  value.keys.each do |hook|
    unless %w(pre_build post_start).include?(hook)
      errors[key] = "invalid hook #{hook}"
    end
  end

  if value['pre_build']
    validate_pre_build_hooks(key, value['pre_build'], errors)
  end

  if value['post_start']
    validate_post_start_hooks(key, value['post_start'], errors)
  end
end

#validate_post_start_hooks(key, post_start_hooks, errors) ⇒ Object 



43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
 
# File 'lib/kontena/cli/stacks/yaml/custom_validators/hooks_validator.rb', line 43

def validate_post_start_hooks(key, post_start_hooks, errors)
  unless post_start_hooks.is_a?(Array)
    errors[key] = { 'post_start' => 'must be an array' }
    return
  end
  post_start_validation = {
    'name' => 'string',
    'instances' => (-> (value) { value.is_a?(Integer) || value == '*' }),
    'cmd' => 'string',
    'oneshot' => HashValidator.optional('boolean')
  }
  validator = HashValidator.validator_for(post_start_validation)
  post_start_hooks.each do |post_start|
    validator.validate('hooks.post_start', post_start, post_start_validation, errors)
  end
end

#validate_pre_build_hooks(key, pre_build_hooks, errors) ⇒ Object 



28
29
30
31
32
33
34
35
36
37
38
39
40
41
 
# File 'lib/kontena/cli/stacks/yaml/custom_validators/hooks_validator.rb', line 28

def validate_pre_build_hooks(key, pre_build_hooks, errors)
  unless pre_build_hooks.is_a?(Array)
    errors[key] = { 'pre_build' => "must be an array" }
    return
  end
  pre_build_validation = {
    'name' => 'string',
    'cmd' => 'string'
  }
  validator = HashValidator.validator_for(pre_build_validation)
  pre_build_hooks.each do |pre_build|
    validator.validate('hooks.pre_build', pre_build, pre_build_validation, errors)
  end
end