Class: Dk::ABDeploy::Update

Inherits:
Object
  • Object
show all
Includes:
Task
Defined in:
lib/dk-abdeploy/update.rb

Defined Under Namespace

Modules: TestHelpers

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.git_reset_cmd_str(repo_dir, ref) ⇒ Object 



21
22
23
24
25
26
 
# File 'lib/dk-abdeploy/update.rb', line 21

def self.git_reset_cmd_str(repo_dir, ref)
  "cd #{repo_dir} && " \
  "git fetch -q origin && " \
  "git reset -q --hard #{ref} && " \
  "git clean -q -d -x -f"
end

.readlink_cmd_str(link) ⇒ Object 



17
18
19
 
# File 'lib/dk-abdeploy/update.rb', line 17

def self.readlink_cmd_str(link)
  "readlink #{link}"
end

Instance Method Details

#run! ⇒ Object 



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
 
# File 'lib/dk-abdeploy/update.rb', line 28

def run!
  # validate required params are set
  if params[REF_PARAM_NAME].to_s.empty?
    raise ArgumentError, "no #{REF_PARAM_NAME.inspect} param set"
  end
  if params[PRIMARY_SSH_HOST_PARAM_NAME].to_s.empty?
    raise ArgumentError, "no #{PRIMARY_SSH_HOST_PARAM_NAME.inspect} param set"
  end

  # lookup the current release dir; set current/deploy release dir params
  release_dirs = [
    params[RELEASE_A_DIR_PARAM_NAME],
    params[RELEASE_B_DIR_PARAM_NAME]
  ]

  rl_ssh = ssh(readlink_cmd_str(params[CURRENT_DIR_PARAM_NAME]), {
    :hosts => params[PRIMARY_SSH_HOST_PARAM_NAME]
  })
  current_dir = (o = rl_ssh.stdout.strip).empty? ? release_dirs.last : o
  set_param(CURRENT_RELEASE_DIR_PARAM_NAME, current_dir)

  release_dirs.delete(params[CURRENT_RELEASE_DIR_PARAM_NAME])
  set_param(DEPLOY_RELEASE_DIR_PARAM_NAME, release_dirs.first)

  # reset the deploy release git repo
  ssh! git_reset_cmd_str(params[DEPLOY_RELEASE_DIR_PARAM_NAME], params[REF_PARAM_NAME])
end