Module: Capistrano::Nodeenv

Defined in:
lib/capistrano-nodeenv.rb,
lib/capistrano-nodeenv/version.rb

Constant Summary collapse

VERSION = 
"0.0.5"

Class Method Summary collapse

Class Method Details

.extended(configuration) ⇒ Object

Your code goes here…



9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
 
# File 'lib/capistrano-nodeenv.rb', line 9

def self.extended(configuration)
  configuration.load {
    namespace(:nodeenv) {
      _cset(:nodeenv_version, nil)
      _cset(:nodeenv_jobs, 4)
      _cset(:nodeenv_verbose, true)
      _cset(:nodeenv_with_npm, true)

      _cset(:nodeenv_script_url, 'https://raw.github.com/ekalinin/nodeenv/e85a806e21d9bb5e417f1c17080964c485332b27/nodeenv.py')
      _cset(:nodeenv_script_file) {
        File.join(shared_path, 'nodeenv', File.basename(URI.parse(nodeenv_script_url).path))
      }
      _cset(:nodeenv_bootstrap_python, 'python') # the python executable which will be used to craete nodeenv

      # Make installation command
      # execute downloaded nodeenv.py
      _cset(:nodeenv_cmd) {
        [
          nodeenv_bootstrap_python,
          nodeenv_script_file,
          nodeenv_options,
        ].flatten.join(' ')
      }

      _cset(:nodeenv_requirements_file) { # secondary package list
        File.join(release_path)
      }
      _cset(:nodeenv_options) {
        os = ""
        os << "--jobs=#{nodeenv_jobs} "
        os << "--verbose " if nodeenv_verbose
        os << "--node=#{nodeenv_version} " if nodeenv_version
        #os << "--with-npm" if nodeenv_with_npm
        #os << "--requirement=#{nodeenv_requirements_file}" if nodeenv_requirements_file
        os
      }
      _cset(:nodeenv_npm_options, "")
      _cset(:nodeenv_npm_install_options, [])
      _cset(:nodeenv_npm_package, 'npm')
      _cset(:nodeenv_requirements, []) # primary package list

      _cset(:nodeenv_build_requirements, {})
      _cset(:nodeenv_install_packages, []) # apt packages

      ## shared nodeenv:
      ## - created in shared_path
      ## - to be used to share libs between releases
      _cset(:nodeenv_shared_path) {
        File.join(shared_path, 'nodeenv', 'shared')
      }
      _cset(:nodeenv_shared_node) {
        File.join(nodeenv_shared_path, 'bin', 'node')
      }
      _cset(:nodeenv_shared_npm) {
        File.join(nodeenv_shared_path, 'bin', 'npm')
      }

      _cset(:nodeenv_shared_npm_cmd) {
        [
          nodeenv_shared_node,
          nodeenv_shared_npm,
          nodeenv_npm_options,
        ].flatten.join(' ')
      }

      ## release nodeenv
      ## - created in release_path
      ## - common libs are copied from shared nodeenv
      ## - will be used for running application
      _cset(:nodeenv_release_path) { # the path where runtime nodeenv will be created
        File.join(release_path, 'vendor', 'nodeenv')
      }
      _cset(:nodeenv_release_node) { # the python executable within nodeenv
        File.join(nodeenv_release_path, 'bin', 'node')
      }
      _cset(:nodeenv_release_npm) {
        File.join(nodeenv_release_path, 'bin', 'npm')
      }
      _cset(:nodeenv_release_npm_cmd) {
        [
          nodeenv_release_node,
          nodeenv_release_npm,
          nodeenv_npm_options,
        ].flatten.join(' ')
      }

      ## current nodeenv
      ## - placed in current_path
      ## - nodeenv of currently running application
      _cset(:nodeenv_current_path) {
        File.join(current_path, 'vendor', 'nodeenv')
      }
      _cset(:nodeenv_current_node) {
        File.join(nodeenv_current_path, 'bin', 'node')
      }

      _cset(:nodeenv_current_npm) {
        File.join(nodeenv_current_path, 'bin', 'npm')
      }
      _cset(:nodeenv_current_npm_cmd) {
        [
          nodeenv_current_python,
          nodeenv_current_npm,
          nodeenv_npm_options,
        ].flatten.join(' ')
      }

      desc("Setup nodeenv.")
      task(:setup, :except => { :no_release => true }) {
        transaction {
          install
          create_shared
        }
      }
      after 'deploy:setup', 'nodeenv:setup'

      desc("Install nodeenv.")
      task(:install, :except => { :no_release => true }) {
        #run("#{sudo} apt-get install #{nodeenv_install_packages.join(' ')}") unless nodeenv_install_packages.empty?
        # Download nodeenv.py file
        dirs = [ File.dirname(nodeenv_script_file) ].uniq()
        run("mkdir -p #{dirs.join(' ')} && ( test -f #{nodeenv_script_file} || wget --no-verbose -O #{nodeenv_script_file} #{nodeenv_script_url} )")
      }

      desc("Uninstall nodeenv.")
      task(:uninstall, :except => { :no_release => true }) {
        run("rm -f #{nodeenv_script_file}")
      }

      task(:create_shared, :except => { :no_release => true }) {
        dirs = [ File.dirname(nodeenv_shared_path) ].uniq()
        cmds = [ ]
        cmds << "mkdir -p #{dirs.join(' ')}"
        cmds << "( test -d #{nodeenv_shared_path} || #{nodeenv_cmd} #{nodeenv_shared_path} )"
        cmds << "#{nodeenv_shared_node} --version && #{nodeenv_shared_npm_cmd} --version"
        run(cmds.join(' && '))
      }

      task(:destroy_shared, :except => { :no_release => true }) {
        run("rm -rf #{nodeenv_shared_path}")
      }

      desc("Update nodeenv for project.")
      task(:update, :except => { :no_release => true }) {
        transaction {
          update_shared
          create_release
        }
      }
      after 'deploy:finalize_update', 'nodeenv:update'

      task(:update_shared, :except => { :no_release => true }) {
        unless nodeenv_requirements.empty?
          top.safe_put(nodeenv_requirements.join("\n"), nodeenv_requirements_file, :place => :if_modified)
        end
            cmds = ["touch #{nodeenv_requirements_file}"]
            cmds << ". #{nodeenv_shared_path}/bin/activate"
            cmds << "cat #{nodeenv_requirements_file}/package.json | python -c 'import json,sys;obj=json.load(sys.stdin);print \"\\r\\n\".join([k+\"@\"+v for k, v  in obj.get(\"dependencies\", {}).items()])' | awk '{ print \"npm install -g #{nodeenv_npm_install_options.join(' ')} \"$0}' | bash"
            cmds << "deactivate_node"
            #run( &&  && #{nodeenv_shared_npm_cmd} install -g #{nodeenv_npm_install_options.join(' ')} #{nodeenv_requirements_file}")
            invoke_command(cmds.join(' && '))

        puts("Updated requirements")
        execute = nodeenv_build_requirements.map { |package, options|
          build_options = ( options || [] )
          ". #{nodeenv_shared_path}/bin/activate && #{nodeenv_shared_npm_cmd} install -g #{nodeenv_npm_install_options.join(' ')} #{build_options.join(' ')} #{package.dump} && deactivate_node"
        }
        invoke_command(execute.join(' && ')) unless execute.empty?
      }

      task(:create_release, :except => { :no_release => true }) {
        dirs = [ File.dirname(nodeenv_release_path) ].uniq()
        cmds = [ ]
        cmds << "mkdir -p #{dirs.join(' ')}"

        # Copy nodeenv from shared to release directory
        cmds << "cp -rf #{nodeenv_shared_path} #{nodeenv_release_path}"
        cmds << "sed -i -e 's|#{nodeenv_shared_path}|#{nodeenv_release_path}|g' #{nodeenv_release_path}/bin/activate"
        invoke_command(cmds.join(' && '))
      }
    }
  }
end