itamae/cookbooks/promtail/install.rb

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2020-08-31 17:02:10 +00:00
promtail_url = ''
promtail_bin = ''
tag = ''
vtag = ''
# Calculate the Download URL:
begin
require 'net/http'
uri = URI.parse('https://github.com/grafana/loki/releases/latest')
Timeout.timeout(3) do
response = Net::HTTP.get_response(uri)
vtag = $1 if response['location'] =~ %r{tag\/(v\d+\.\d+\.\d+)}
2020-08-31 17:02:10 +00:00
tag = vtag.sub(/^v/, '')
promtail_url = "#{node['promtail']['url']}/#{vtag}/#{node['promtail']['bin']}"
end
rescue
# Abort the chef client process:
raise 'Cannot connect to http://github.com.'
end
# バージョン確認して、アップデート必要かどうか確認
result = run_command("promtail --version 2>&1 | grep #{tag}", error: false)
if result.exit_status != 0
# Download:
TMP = "/tmp/#{node['promtail']['bin']}"
execute "wget #{promtail_url} -O #{TMP}"
# Install:
directory node['promtail']['storage'] do
owner 'root'
group 'root'
mode '755'
end
execute "unzip #{TMP} -d #{node['promtail']['storage']}"
execute "mv #{node['promtail']['storage']}promtail-linux-amd64 #{node['promtail']['storage']}promtail"
# Change Owner and Permissions:
file "#{node['promtail']['storage']}promtail" do
owner 'root'
group 'root'
mode '755'
end
# Create Link
link "#{node['promtail']['location']}promtail" do
to "#{node['promtail']['storage']}promtail"
end
end