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Added a cleanup task to remove unused releases from the deployment directory

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git-svn-id: http://svn.rubyonrails.org/rails/tools/switchtower@3372 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
This commit is contained in:
Jamis Buck 2006-01-02 04:24:11 +00:00
parent 829fb7d8ed
commit c3c3b8ab4a
2 changed files with 21 additions and 1 deletions
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2
CHANGELOG
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@ -1,5 +1,7 @@
*SVN* *SVN*
* Added a cleanup task to remove unused releases from the deployment directory
* Allow password to be reentered on sudo if it was entered incorrectly * Allow password to be reentered on sudo if it was entered incorrectly
* Use && as the command separator for the checkouts, so that errors are caught early. * Use && as the command separator for the checkouts, so that errors are caught early.

20
lib/switchtower/recipes/standard.rb
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@ -144,7 +144,7 @@ end
desc <<-DESC desc <<-DESC
Similar to deploy, but it runs the migrate task on the new release before Similar to deploy, but it runs the migrate task on the new release before
updating the symlink. (Note that the update in this case is not atomic, updating the symlink. (Note that the update in this case it is not atomic,
and transactions are not used, because migrations are not guaranteed to be and transactions are not used, because migrations are not guaranteed to be
reversible.) reversible.)
DESC DESC
@ -185,3 +185,21 @@ desc "Update the currently released version of the software directly via an SCM
task :update_current do task :update_current do
source.update(self) source.update(self)
end end
desc <<-DESC
Removes unused releases from the releases directory. By default, the last 5
releases are retained, but this can be configured with the 'keep_releases'
variable.
DESC
task :cleanup do
count = (self[:keep_releases] || 5).to_i
if count >= releases.length
logger.important "no old releases to clean up"
else
logger.info "keeping #{count} of #{releases.length} deployed releases"
keepers = (releases - releases.last(count)).map { |release|
File.join(releases_path, release) }.join(" ")
sudo "rm -rf #{keepers}"
end
end