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authorBrandon Raabe <brandocorp@gmail.com>2015-03-15 18:56:14 -0700
committerBrandon Raabe <brandocorp@gmail.com>2015-03-15 18:56:14 -0700
commite871f26bc8144dc8385ea87fd146ea0c3bfcff0c (patch)
tree945887254e054560031d45842c45b8bdc16bbae5 /lib/chef/http.rb
parent8af291b0e7cc4569eb28f09b68df4998332c9aa8 (diff)
downloadchef-e871f26bc8144dc8385ea87fd146ea0c3bfcff0c.tar.gz
add progress interval, add ProgressBar class
Diffstat (limited to 'lib/chef/http.rb')
-rw-r--r--lib/chef/http.rb66
1 files changed, 64 insertions, 2 deletions
diff --git a/lib/chef/http.rb b/lib/chef/http.rb
index 376a61d7a2..fa17ca0006 100644
--- a/lib/chef/http.rb
+++ b/lib/chef/http.rb
@@ -35,6 +35,65 @@ class Chef
# == Chef::HTTP
# Basic HTTP client, with support for adding features via middleware
class HTTP
+ class ProgressBar
+
+ attr_reader :display
+ attr_reader :interval
+
+ def initialize(size, opts = {})
+ @total = size
+ @status = 0
+ @display = opts[:display] || false
+ @interval = opts[:interval] || 10
+ progress_indicator if @display
+ end
+
+ def update(progress)
+ @progress = progress
+ display_progress
+ end
+
+ def display_progress
+ return unless display
+ progress_indicator if next_interval_met?
+ end
+
+ def next_interval_met?
+ return false unless percent_complete % interval == 0
+ if percent_complete > @status
+ @status = percent_complete
+ return true
+ end
+ return false
+ end
+
+ def percent_complete
+ (@progress.to_f / @total.to_f * 100).to_i
+ end
+
+ def display_status
+ length = @status / 2
+ progress_text = '=' * length
+ progress_text
+ end
+
+ def display_remainder
+ length = 100 / 2 - @status / 2
+ progress_text = ' ' * length
+ progress_text
+ end
+
+ def display_percentage
+ length = 4 - @status.to_s.length
+ progress_text = ' ' * length + "#{@status}/100 %"
+ progress_text
+ end
+
+ def progress_indicator
+ Chef::Log.info '[' + display_status + display_remainder + ']' + display_percentage
+ end
+ end
+
# Class for applying middleware behaviors to streaming
# responses. Collects stream handlers (if any) from each
@@ -74,6 +133,7 @@ class Chef
attr_reader :sign_on_redirect
attr_reader :redirect_limit
attr_reader :show_progress
+ attr_reader :progress_interval
attr_reader :middlewares
# Create a HTTP client object. The supplied +url+ is used as the base for
@@ -87,6 +147,7 @@ class Chef
@redirects_followed = 0
@redirect_limit = 10
@show_progress = options[:show_progress] || false
+ @progress_interval = options[:progress_interval] || 1
@middlewares = []
self.class.middlewares.each do |middleware_class|
@@ -367,7 +428,7 @@ class Chef
end
def stream_to_tempfile(url, response)
- total = response['Content-Length']
+ progress = ProgressBar.new(response['Content-Length'], display: show_progress, interval: progress_interval)
tf = Tempfile.open("chef-rest")
if Chef::Platform.windows?
tf.binmode # required for binary files on Windows platforms
@@ -380,7 +441,7 @@ class Chef
response.read_body do |chunk|
tf.write(stream_handler.handle_chunk(chunk))
- Chef::Log.info("#{tf.size} / #{total}") if show_progress
+ progress.update tf.size
end
tf.close
tf
@@ -405,3 +466,4 @@ class Chef
end
end
+