Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Add --group-by parameter to specify a unique tag value shared by a raid group #9

Open
wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Add --group-by parameter to specify a unique tag value shared by a raid group #9

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
8048d90
Add --group-by parameter to specify a unique tag value that all membe…
Aug 7, 2013
15e4ac1
Make keep_reason an attribute of the snapshot and take multiple passe…
Aug 7, 2013
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
37 changes: 30 additions & 7 deletions bin/ec2-rotate-volume-snapshots
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,8 @@ $opts = {
:pattern => nil,
:by_tags => nil,
:dry_run => false,
:backoff_limit => 0
:backoff_limit => 0,
:group_by => nil
}

$time_periods = {
Expand All @@ -37,12 +38,16 @@ end
def rotate_em(snapshots)
# poor man's way to get a deep copy of our time_periods definition hash
periods = Marshal.load(Marshal.dump($time_periods))
if $opts[:group_by]
group_bys = []
group_by_key = $opts[:group_by]
end

snapshots.each do |snapshot|
time = Time.parse(snapshot[:aws_started_at])
snapshot_id = snapshot[:aws_id]
description = snapshot[:aws_description]
keep_reason = nil
snapshot[:keep_reason] = nil

if $opts[:pattern] && description !~ /#{$opts[:pattern]}/
puts " #{time.strftime '%Y-%m-%d %H:%M:%S'} #{snapshot_id} Skipping snapshot with description #{description}"
Expand All @@ -57,19 +62,33 @@ def rotate_em(snapshots)
time_string = time.strftime period_info[:format]
if Time.now - time < keep * period_info[:seconds]
if !keeping.key?(time_string) && keeping.length < keep
keep_reason = period
snapshot[:keep_reason] = period
keeping[time_string] = snapshot
if group_by_key
group_bys.push(snapshot[:tags][group_by_key])
end
end
break
end
end
end

snapshots.each do |snapshot|
if group_by_key && snapshot[:keep_reason].nil? && group_bys.include?(snapshot[:tags][group_by_key])
snapshot[:keep_reason] = "volume is associated with others by #{group_by_key}=#{snapshot[:tags][group_by_key]}"
end

if keep_reason.nil? && snapshot == snapshots.last && $opts[:keep_last]
keep_reason = 'last snapshot'
if snapshot[:keep_reason].nil? && snapshot == snapshots.last && $opts[:keep_last]
snapshot[:keep_reason] = 'last snapshot'
end
end

if !keep_reason.nil?
puts " #{time.strftime '%Y-%m-%d %H:%M:%S'} #{snapshot_id} Keeping for #{keep_reason}"
snapshots.each do |snapshot|
snapshot_id = snapshot[:aws_id]
description = snapshot[:aws_description]
time = Time.parse(snapshot[:aws_started_at])
if !snapshot[:keep_reason].nil?
puts " #{time.strftime '%Y-%m-%d %H:%M:%S'} #{snapshot_id} Keeping for #{snapshot[:keep_reason]}"
else
puts " #{time.strftime '%Y-%m-%d %H:%M:%S'} #{snapshot_id} Deleting"
begin
Expand Down Expand Up @@ -147,6 +166,10 @@ OptionParser.new do |o|
o.on("--dry-run", "Shows what would happen without doing anything") do |v|
$opts[:dry_run] = true
end

o.on("--group-by TAG", "Saves any volumes that have the same value for this tag key") do |v|
$opts[:group_by] = v
end
end.parse!

if $opts[:aws_access_key].nil? || $opts[:aws_secret_access_key].nil?
Expand Down