Class: Stackato

Inherits:
Object
  • Object
show all
Defined in:
lib/conan/stackato.rb

Constant Summary collapse

@@paas_token_file = 
File.join(Dir.tmpdir(), "token_#{Time.now.to_i}")
@@stackato_command = 
'stackato'

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(paas_user, paas_password, trace = false, dry_run = false) ⇒ Stackato

Returns a new instance of Stackato.



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# File 'lib/conan/stackato.rb', line 9

def initialize(paas_user, paas_password, trace=false, dry_run=false)
  @paas_user = paas_user
  @paas_password = paas_password
  @doit = dry_run ? "echo " : ""
  @trace = trace ? "--trace" : ""
  @paas_manifest = "stackato.yml"
end

Class Method Details

.bg_clean(app) ⇒ Object 



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# File 'lib/conan/stackato.rb', line 65

def self.bg_clean(app)
  app.old_versions.each { |old_app| Stackato.stop(old_app) }
  app.old_versions.each { |old_app| Stackato.delete(old_app) }
end

.bg_switch(app) ⇒ Object 



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# File 'lib/conan/stackato.rb', line 58

def self.bg_switch(app)
  app.active_domains.each{ |domain| Stackato.map(app, domain) }
  app.inactive_domains.each{ |domain| Stackato.unmap(app, domain) }
  app.old_versions.each{ |old_app| old_app.active_domains.each { |domain| Stackato.unmap(old_app, domain) } }
  app.old_versions.each{ |old_app| old_app.inactive_domains.each { |domain| Stackato.map(old_app, domain) } }
end

.delete(app) ⇒ Object 



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# File 'lib/conan/stackato.rb', line 53

def self.delete(app)
  puts "[#{app.unique_name}] Deleting"
  `#{@@stackato_command} delete #{app.unique_name}`
end

.find_old_versions(newly_deployed_app) ⇒ Object 



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# File 'lib/conan/stackato.rb', line 70

def self.find_old_versions(newly_deployed_app)
  old_apps = []
  JSON.parse(`#{@@stackato_command} apps --json`).map do |app|
    if /#{Regexp.escape(newly_deployed_app.stackato_base_name)}/ =~ app["name"] and app["name"] != newly_deployed_app.unique_name
      old_app = newly_deployed_app.clone
      old_app.unique_name = app["name"]
      old_app.existing_mappings = app["uris"]
      old_apps << old_app
    end
  end
  old_apps
end

.map(app, domain) ⇒ Object 



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# File 'lib/conan/stackato.rb', line 43

def self.map(app, domain)
  puts "[#{app.unique_name}] Mapping #{domain}"
  `#{@@stackato_command} map #{app.unique_name} #{domain}`
end

.static_login(options) ⇒ Object 



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# File 'lib/conan/stackato.rb', line 28

def self.(options)
  org = options[:'deploy-shipcloud'].split('-')[0]
  infra = options[:'deploy-shipcloud'].split('-')[1]
  @@options = options

  puts "logging in at https://api.paas.#{infra}.#{org}.mtnsatcloud.com"
  @@stackato_command = "stackato --target https://api.paas.#{infra}.#{org}.mtnsatcloud.com --token-file #{@@paas_token_file}"
  `#{@@stackato_command} login --user #{options[:'paas-user']} --password #{options[:'paas-password']}`
end

.stop(app) ⇒ Object 



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# File 'lib/conan/stackato.rb', line 48

def self.stop(app)
  puts "[#{app.unique_name}] Stopping"
  `#{@@stackato_command} stop #{app.unique_name}`
end

.unmap(app, domain) ⇒ Object 



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# File 'lib/conan/stackato.rb', line 38

def self.unmap(app, domain)
  puts "[#{app.unique_name}] Unmapping #{domain}"
  `#{@@stackato_command} unmap #{app.unique_name} #{domain}`
end

Instance Method Details

#application_info(app, deployment) ⇒ Object 



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# File 'lib/conan/stackato.rb', line 198

def application_info(app, deployment)
  list_json = `#{@paas_cmd} list --json`
  raise "Stackato list failed" if !$?.success?

  base_name = deployment.name(app)
  active_urls = deployment.active_urls(app)
  inactive_urls = deployment.inactive_urls(app)

  StackatoApplicationInfo.new(list_json, base_name, active_urls, inactive_urls, @@options)
end

#bg_clean(app, deployment) ⇒ Object 



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# File 'lib/conan/stackato.rb', line 183

def bg_clean(app, deployment)
  (deployment.paas_target)

  app_info = application_info(app, deployment)

  # Delete inactive app if it exists
  if app_info.inactive_app_name
    puts "Deleting inactive app."
    c = "#{@doit} #{@paas_cmd} delete #{app_info.inactive_app_name} --no-prompt"
    system(c) or raise "Stackato delete failed:  #{c}"
  else
    puts "No inactive app to clean."
  end
end

#bg_deploy(work_dir, app, deployment) ⇒ Object 



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# File 'lib/conan/stackato.rb', line 135

def bg_deploy(work_dir, app, deployment)
  puts ''
  Dir.chdir(work_dir){
    (deployment.paas_target)

    app_info = application_info(app, deployment)
    unless app_info.inactive_app_name.nil?
      puts "inactive app [#{deployment.name(app)}]. Deleting it."
      `#{@doit} #{@paas_cmd} delete #{deployment.name(app)}`
    end

    puts "Deploying inactive app #{deployment.name(app)}"
    c = "#{@doit} #{@paas_cmd} --manifest #{@paas_manifest} --no-prompt push"
    system(c) or raise "Stackato push failed: #{c}"
  }
end

#bg_switch(app, deployment) ⇒ Object 



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# File 'lib/conan/stackato.rb', line 152

def bg_switch(app, deployment)
  (deployment.paas_target)

  app_info = application_info(app, deployment)

  if app_info.inactive_app_name.nil?
    puts "No inactive app to switch to."
    return
  end

  active_urls = deployment.active_urls(app)
  inactive_urls = deployment.inactive_urls(app)

  appUrlOp = ->(cmd, paas_app_name, url) {
    c = "#{@doit} #{@paas_cmd} #{cmd} #{paas_app_name} #{url}"
    system(c) or raise "Stackato #{cmd} failed:  #{c}"
  }

  # For inactive app, map active urls to it and unmap inactive urls
  puts "Mapping active urls"
  active_urls.each {|active_url| appUrlOp.call("map", app_info.inactive_app_name, active_url)}
  inactive_urls.each {|inactive_url| appUrlOp.call("unmap", app_info.inactive_app_name, inactive_url)}

  # If active app exists, unmap active urls and map inactive urls to it
  if app_info.active_app_name
    puts "Mapping inactive urls"
    inactive_urls.each {|inactive_url| appUrlOp.call("map", app_info.active_app_name, inactive_url)}
    active_urls.each {|active_url| appUrlOp.call("unmap", app_info.active_app_name, active_url)}
  end
end

#deploy(work_dir, app, deployment, force = false) ⇒ Object 



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# File 'lib/conan/stackato.rb', line 83

def deploy(work_dir, app, deployment, force=false)
  puts ''
  Dir.chdir(work_dir){
    (deployment.paas_target)

    paas_app_name = deployment.name(app)
    appCreate = ->(cmd) {
      c = "#{@doit} #{@paas_cmd} --manifest #{@paas_manifest} --no-prompt #{cmd} --no-start"
      system(c) or raise "Stackato #{cmd} failed: #{c}"
    }
    appOperation = ->(cmd) {
      c = "#{@doit} #{@paas_cmd} #{cmd} #{paas_app_name} --no-prompt"
      system(c) or raise "Stackato #{cmd} failed: #{c}"
    }

    yield paas_app_name if block_given?

    stats_status = `#{@paas_cmd} stats #{paas_app_name} 2>&1 >/dev/null`
    puts stats_status
    raise ScriptError, "Stackato authorization failure. Provide user and password" if (stats_status =~ /Not Authorized/)

    # print out the stackato.yml for posterity
    puts '------------------------------------------------------------------------------'

    File.open(@paas_manifest, "r") do |f|
      while (line = f.gets)
        puts "#{line}"
      end
    end
    puts '------------------------------------------------------------------------------'
    puts ''

    # A Error 301 will be returned from stackato if the app does not exist, this determins if we should push or update
    if (stats_status =~ /Error 301/)
      appCreate.call "push"
    else
      if (force)
        puts "Replacing #{paas_app_name}. May be force be with you!"
        appOperation.call "delete"
        appCreate.call "push"
      else
        puts "Update #{paas_app_name}"
        appOperation.call "stop"
        appCreate.call "update"
      end
    end

    puts "Starting #{paas_app_name}"
    appOperation.call "start"
  }
end

#login(paas_target) ⇒ Object 



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# File 'lib/conan/stackato.rb', line 17

def (paas_target)
  # login only one time per target, and only one target at a time
  if (@session != paas_target)
    @session = paas_target
    @paas_cmd = "stackato #{@trace} --target #{paas_target} --token-file #{@@paas_token_file}"
    unless @paas_user.nil?
      system( "#{@paas_cmd} login --user #{@paas_user} --password #{@paas_password}" ) or raise "Stackato login failed on #{paas_target}"
    end
  end
end