Fix riemann-haproxy with Ruby 3.0+

lib/riemann/tools.rb

@@ -63,7 +63,7 @@ def report(event)
         event[:tags] = [*event.fetch(:tags, [])] + options[:tag].map(&:dup)
       end
 
-      event[:ttl] ||= (options[:ttl] || (options[:interval] * 2))
+      event[:ttl] ||= options[:ttl] || (options[:interval] * 2)
 
       event[:host] = options[:event_host].dup if options[:event_host]
 

lib/riemann/tools/bench.rb

@@ -15,7 +15,7 @@ def initialize
         @hosts = %w[a b c d e f g h i j]
         @services = %w[test1 test2 test3 foo bar baz xyzzy attack cat treat]
         @states = {}
-        @client = Riemann::Client.new(host: (ARGV.first || 'localhost'))
+        @client = Riemann::Client.new(host: ARGV.first || 'localhost')
       end
 
       def evolve(state)

lib/riemann/tools/haproxy.rb

@@ -44,6 +44,10 @@ def tick
       end
 
       def csv
+        CSV.parse(body.split('# ')[1], headers: true)
+      end
+
+      def body
         http = ::Net::HTTP.new(@uri.host, @uri.port)
         http.use_ssl = true if @uri.scheme == 'https'
         res = http.start do |h|
@@ -53,8 +57,8 @@ def csv
             get.basic_auth userinfo[0], userinfo[1]
           end
           h.request get
+          res.body
         end
-        CSV.parse(res.body.split('# ')[1], { headers: true })
       end
     end
   end

lib/riemann/tools/net.rb

@@ -108,7 +108,7 @@ def tick
 
         if @old_state
           # Report services from `@old_state` that don't exist in `state` as expired
-          @old_state.reject { |k| state.key?(k) }.each do |service, _metric|
+          @old_state.reject { |k| state.key?(k) }.each_key do |service|
             report(service: service.dup, state: 'expired')
           end
 

spec/riemann/tools/haproxy_spec.rb

@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+require 'riemann/tools/haproxy'
+
+RSpec.describe Riemann::Tools::Haproxy do
+  context('#tick') do
+    before do
+      ARGV.replace(['--stats-url', 'http://localhost'])
+
+      allow(subject).to receive(:body).and_return(<<~DATA)
+        # pxname,svname,qcur,qmax,scur,smax,slim,stot,bin,bout,dreq,dresp,ereq,econ,eresp,wretr,wredis,status,weight,act,bck,chkfail,chkdown,lastchg,downtime,qlimit,pid,iid,sid,throttle,lbtot,tracked,type,rate,rate_lim,rate_max,check_status,check_code,check_duration,hrsp_1xx,hrsp_2xx,hrsp_3xx,hrsp_4xx,hrsp_5xx,hrsp_other,hanafail,req_rate,req_rate_max,req_tot,cli_abrt,srv_abrt,comp_in,comp_out,comp_byp,comp_rsp,lastsess,last_chk,last_agt,qtime,ctime,rtime,ttime,agent_status,agent_code,agent_duration,check_desc,agent_desc,check_rise,check_fall,check_health,agent_rise,agent_fall,agent_health,addr,cookie,mode,algo,conn_rate,conn_rate_max,conn_tot,intercepted,dcon,dses,wrew,connect,reuse,cache_lookups,cache_hits,srv_icur,src_ilim,qtime_max,ctime_max,rtime_max,ttime_max,eint,idle_conn_cur,safe_conn_cur,used_conn_cur,need_conn_est,
+        ft-http,FRONTEND,,,0,24,8000,911,225427,282808,0,0,142,,,,,OPEN,,,,,,,,,1,2,0,,,,0,0,0,18,,,,0,0,86,142,1076,0,,0,46,1304,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,0,18,911,0,0,0,0,,,0,0,,,,,,,0,,,,,
+        ft-https,FRONTEND,,,4,23,8000,442138,1437985213,6885481212,0,0,49,,,,,OPEN,,,,,,,,,1,3,0,,,,0,2,0,41,,,,,,,,,,,0,0,0,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,tcp,,2,41,442138,,0,0,0,,,,,,,,,,,0,,,,,
+        stats,FRONTEND,,,1,1,8000,15939,3235327,99009201,0,0,0,,,,,OPEN,,,,,,,,,1,4,0,,,,0,1,0,1,,,,0,15938,0,0,0,0,,1,1,15939,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,1,1,15939,15939,0,0,0,,,0,0,,,,,,,0,,,,,
+      DATA
+    end
+
+    it 'reports ok state' do
+      allow(subject).to receive(:report)
+      subject.tick
+      expect(subject).to have_received(:report).exactly(294).times
+    end
+  end
+end