Class: KnifeSpork::SporkPromote

Inherits:
Chef::Knife
  • Object
show all
Defined in:
lib/chef/knife/spork-promote.rb

Instance Method Summary collapse

Instance Method Details

#check_cookbook_latest(cookbook_name) ⇒ Object 



187
188
189
190
191
192
193
194
195
 
# File 'lib/chef/knife/spork-promote.rb', line 187

def check_cookbook_latest(cookbook_name)
  validate_version!(config[:version])
  version = config[:version] || load_cookbook(cookbook_name).version
  cb_latest = Chef::CookbookVersion.load(cookbook_name).metadata.version
  # ui.msg "server: #{cb_latest} -- local: #{version}"
  if cb_latest > version
    ui.confirm "There is a later verison of #{cookbook_name} on the chef server.  Would you still like to promote version #{version}?"
  end
end

#check_cookbook_uploaded(cookbook_name) ⇒ Object 



173
174
175
176
177
178
179
180
181
182
183
184
185
 
# File 'lib/chef/knife/spork-promote.rb', line 173

def check_cookbook_uploaded(cookbook_name)
  validate_version!(config[:version])
  version = config[:version] || load_cookbook(cookbook_name).version

  api_endpoint = "cookbooks/#{cookbook_name}/#{version}"

  begin
    cookbooks = rest.get_rest(api_endpoint)
  rescue Net::HTTPServerException => e
    ui.error "#{cookbook_name}@#{version} does not exist on Chef Server! Upload the cookbook first by running:\n\n\tknife spork upload #{cookbook_name}\n\n"
    exit(1)
  end
end

#promote(environment, cookbook_names) ⇒ Object 



161
162
163
164
165
166
167
168
169
170
171
 
# File 'lib/chef/knife/spork-promote.rb', line 161

def promote(environment, cookbook_names)
  cookbook_names = [cookbook_names].flatten

  cookbook_names.each do |cookbook_name|
    validate_version!(config[:version])
    version = config[:version] || load_cookbook(cookbook_name).version

    ui.msg "Adding version constraint #{cookbook_name} = #{version}"
    update_version_constraints(environment, cookbook_name, version)
  end
end

#run ⇒ Object 



41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
 
# File 'lib/chef/knife/spork-promote.rb', line 41

def run
  self.class.send(:include, KnifeSpork::Runner)
  self.config = Chef::Config.merge!(config)

  if @name_args.empty?
    show_usage
    ui.error("You must specify the cookbook and environment to promote to")
    exit 1
  end

  # Temporary fix for #138 to allow Berkshelf functionality
  # to be bypassed until #85 has been completed and Berkshelf 3 support added
  unload_berkshelf_if_specified

  #First load so plugins etc know what to work with
  @environments, @cookbook = load_environments_and_cookbook

  run_plugins(:before_promote)

  #Reload cookbook and env in case a VCS plugin found updates
  @environments, @cookbook = load_environments_and_cookbook

  check_cookbook_uploaded(@cookbook)
  check_cookbook_latest(@cookbook)

  @environments.each do |e|
    environment = load_environment_from_file(e)


    promote(environment, @cookbook)

    ui.msg "Saving changes to #{e}.json"

    new_environment_json = pretty_print_json(environment.to_hash)
    save_environment_changes(e, new_environment_json)

    if config[:remote] || spork_config.always_promote_remote
      ui.msg "Uploading #{environment.name}.json to Chef Server"
      save_environment_changes_remote(e)
      ui.info "Promotion complete at #{Time.now}!"
    else
      ui.info "Promotion complete. Don't forget to upload your changed #{environment.name}.json to Chef Server"
    end
  end
  run_plugins(:after_promote_local)
  if config[:remote] || spork_config.always_promote_remote
    run_plugins(:after_promote_remote)
  end
end

#save_environment_changes_remote(environment) ⇒ Object 



112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
 
# File 'lib/chef/knife/spork-promote.rb', line 112

def save_environment_changes_remote(environment)
  local_environment = load_environment_from_file(environment)
  remote_environment = load_remote_environment(environment)
  @environment_diffs ||= Hash.new
  @environment_diffs["#{environment}"] = environment_diff(local_environment, remote_environment)

  version_change_threshold = spork_config.version_change_threshold || 2
  env_constraints_diff = constraints_diff(@environment_diffs["#{environment}"]).select{|k,v| v > version_change_threshold}

  if env_constraints_diff.size !=0 then
    ui.warn 'You\'re about to promote a significant version number change to 1 or more cookbooks:'
    ui.warn @environment_diffs["#{environment}"].select{|k,v|env_constraints_diff.has_key?(k)}.collect{|k,v| "\t#{k}: #{v}"}.join("\n")

    begin
      ui.confirm('Are you sure you want to continue?')
    rescue SystemExit => e
      if e.status == 3
        ui.confirm("Would you like to reset your local #{environment}.json to match the remote server?")
        tmp = Chef::Environment.load(environment)
        save_environment_changes(environment, pretty_print_json(tmp))
        ui.info "#{environment}.json was reset"
      end

      raise
    end
  end

  if @environment_diffs["#{environment}"].size > 1
    ui.msg ""
    ui.warn "You're about to promote changes to several cookbooks at once:"
    ui.warn @environment_diffs["#{environment}"].collect{|k,v| "\t#{k}: #{v}"}.join("\n")

    begin
      ui.confirm('Are you sure you want to continue?')
    rescue SystemExit => e
      if e.status == 3
        ui.confirm("Would you like to reset your local #{environment}.json to match the remote server?")
        tmp = Chef::Environment.load(environment)
        save_environment_changes(environment, pretty_print_json(tmp))
        ui.info "#{environment}.json was reset"
      end

      raise
    end
  end

  local_environment.save
end

#update_version_constraints(environment, cookbook, new_version) ⇒ Object 



91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
 
# File 'lib/chef/knife/spork-promote.rb', line 91

def update_version_constraints(environment, cookbook, new_version)
  validate_version!(new_version)
  if spork_config.preserve_constraint_operators

    cb_version = environment.cookbook_versions[cookbook]
    if cb_version
      if cb_version.length > 0
        constraint_operator = cb_version.split.first
      else
        constraint_operator = "="
      end
      ui.msg "Preserving existing version constraint operator: #{constraint_operator}"
    else
      constraint_operator = "="
    end
  else
    constraint_operator = "="
  end
  environment.cookbook_versions[cookbook] = "#{constraint_operator} #{new_version}"
end