Class: ContainerCI::ExportGithubProjectIntoContainer

Inherits:
Rake::TaskLib
  • Object
show all
Defined in:
lib/containerci.rb

Overview

Exports a github project into a container–set up so that CI systems can push this and pull the latest source.

Instance Method Summary collapse

Constructor Details

#initialize(dsl: ::Rake::Task) ⇒ ExportGithubProjectIntoContainer

Returns a new instance of ExportGithubProjectIntoContainer.



9
10
11
12
 
# File 'lib/containerci.rb', line 9

def initialize(dsl: ::Rake::Task)
  @dsl = dsl
  define
end

Instance Method Details

#current_version ⇒ Object 



24
25
26
27
 
# File 'lib/containerci.rb', line 24

def current_version
  `docker images | grep -v latest | grep ^#{USER}/#{PROJECT_NAME} | \
 awk '{print $2}' | head -1`
end

#define ⇒ Object 



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
 
# File 'lib/containerci.rb', line 33

def define
  # XXX: Document circleci.yml
  @dsl.define_task(:update_github_project) do
    puts "pulling #{GITHUB_PROJECT}..."
    if Dir.exist? GITHUB_PROJECT
      sh "cd #{GITHUB_PROJECT} && git pull origin tests_passed"
    else
      sh 'git clone https://$GITHUB_OAUTH:x-oauth-basic@' \
         "github.com/#{USER}/#{GITHUB_PROJECT}.git"
    end
    sh "cd #{GITHUB_PROJECT} && git checkout tests_passed"
    puts 'done'
  end

  @dsl.define_task(:restore_cache) do
    puts 'Restoring from docker cache...'
    sh "if [ -e ~/docker/#{PROJECT_NAME}.tar ]; " \
       'then ' \
       '  echo "restoring from cache"; ' \
       "  docker load -i ~/docker/#{PROJECT_NAME}.tar;" \
       'fi; '
    puts 'done'
  end

  # XXX: Why do we have to pull all images here, just to figure out what
  # the latest version is?  Wish we could just pull latest.

  @dsl.define_task(:raw_docker_pull) do
    puts 'Pulling from dockerhub...'
    sh 'false; ' \
       'until [ $? -eq 0 ]; do ' \
       "docker pull #{USER}/#{PROJECT_NAME}:latest < /dev/null; done"
    puts 'done'
  end

  @dsl.define_task(:save_new_cache) do
    sh "mkdir -p ~/docker; docker save #{USER}/#{PROJECT_NAME}:latest > " \
       "  ~/docker/#{PROJECT_NAME}.tar"
  end

  @dsl.define_task(:get_docker_machine) do
    sh 'if [ ! -d ~/docker-machine ]; ' \
       'then ' \
       '  mkdir -p ~/docker-machine; ' \
       'fi'
    sh 'if [ ! -f ~/docker-machine/docker-machine ]; ' \
       'then ' \
       "  curl -L #{docker_machine_url} > " \
       '      ~/docker-machine/docker-machine; ' \
       'fi'
    sh 'if [ ! -x ~/docker-machine/docker-machine ]; ' \
       'then ' \
       '  chmod +x ~/docker-machine/docker-machine; ' \
       'fi'
  end

  @dsl.define_task(docker_pull:
                     [:restore_cache, :raw_docker_pull, :save_new_cache])

  @dsl.define_task(dependencies:
                     [:update_github_project, :docker_pull, :get_docker_machine])

  @dsl.define_task(:print_next_version) do
    puts "next version is #{next_version}"
  end

  @dsl.define_task(:docker_build_next_version) do
    sh "docker build -t #{USER}/#{PROJECT_NAME}:#{next_version} ."
  end

  @dsl.define_task(:docker_tag) do
    sh "docker tag -f #{USER}/#{PROJECT_NAME}:#{next_version} " \
       "#{USER}/#{PROJECT_NAME}:latest"
  end

  @dsl.define_task(build:
                     [:print_next_version,
                      :docker_build_next_version,
                      :docker_tag])

  @dsl.define_task(test:
                     [:build,
                      # :start_container, :verify_listening_on_port, :stop_container
                     ])

  @dsl.define_task(:docker_push) do
    sh "docker push #{USER}/#{PROJECT_NAME}"
    sh "docker push #{USER}/#{PROJECT_NAME}:#{current_version}"
  end

  @dsl.define_task(:manual_deploy) do
    sh "in-sinatra-vld-prod docker pull #{USER}/#{PROJECT_NAME}:latest"
    sh 'in-sinatra-vld-prod docker ps'
    sh 'in-sinatra-vld-prod docker kill `in-sinatra-vld-prod docker ps -l -q`'
    sh 'in-sinatra-vld-prod docker run -d -P -p 0.0.0.0:4567:4567 ' \
       "-v /root/private:/root/private #{USER}/#{PROJECT_NAME}"
    sh 'in-sinatra-vld-prod docker ' \
       'exec -it `in-sinatra-vld-prod docker ps -l -q` /bin/dropbox ' \
       'status'
    puts "After connected, hit Control-C and run 'rake wait_for_dropbox'"
    sh 'in-sinatra-vld-prod docker exec -it ' \
       '`in-sinatra-vld-prod docker ps -l -q` ' \
       'tail -f /var/log/dropbox/dropbox.log'
  end

  @dsl.define_task(after_test_success:
                     [:docker_push,
                      #:deploy_to_prod
                     ])
end

#docker_machine_url ⇒ Object 



19
20
21
22
 
# File 'lib/containerci.rb', line 19

def docker_machine_url
  'https://github.com/docker/machine/releases/download/v0.3.0/' \
  "docker-machine_#{os}-amd64"
end

#next_version ⇒ Object 



29
30
31
 
# File 'lib/containerci.rb', line 29

def next_version
  @next_version ||= `sh -c 'TZ=UTC date +%Y-%m-%d-%H%M'`.chomp
end

#os ⇒ Object 



14
15
16
17
 
# File 'lib/containerci.rb', line 14

def os
  os = `uname -s`.chomp
  os.downcase
end