Env proxy (#5)

* added https /http proxy support

* version prep

* Update README.md

README.md

@@ -19,6 +19,7 @@ Here is the idea in brief:
 **All:**  
 -	All configuration is done in Zabbix web-interface(no config files anywhere)  
 -	UTF8 supported  
+- HTTPS/HTTP proxy supported(see how at the end)  
 
 **Slack:**  
 -	Color coding events depending on Trigger Status and Severity  
@@ -599,3 +600,11 @@ zabbix_server --runtime-control log_level_increase=alerter
 ```
 now tail you log to see what the problem might be:
 `tail -f /var/log/zabbix-server/zabbix_server.log`  
+
+##HTTP(S) Proxy  
+If you need to use proxy to connect to services, make sure that environment variables 
+`http_proxy` and `https_proxy` are set under user `zabbix`, for example:  
+```
+export http_proxy=http://proxy_ip:3128/
+export https_proxy=$http_proxy
+```

lib/HipChatBot.pm

@@ -1,7 +1,7 @@
 package HipChatBot;
 use strict;
 use warnings;
-our $VERSION = '0.6';
+our $VERSION = '0.7';
 use parent 'ZabbixNotify';
 use LWP;
 use URI;
@@ -208,7 +208,7 @@ sub post_with_retries {
     my $ua = LWP::UserAgent->new();
 
     if ( defined( $self->mock_url ) ) { $url = $self->mock_url; } #mock replace:
-
+    $ua->env_proxy;
     $ua->show_progress(1) if $self->debug;
 
   ATTEMPT: {

lib/PagerDutyBot.pm

@@ -1,7 +1,7 @@
 package PagerDutyBot;
 use strict;
 use warnings;
-our $VERSION = '0.6';
+our $VERSION = '0.7';
 use parent 'ZabbixNotify';
 use LWP;
 use URI;
@@ -154,7 +154,7 @@ sub post_with_retries {
     my $ua = LWP::UserAgent->new();
 
     if ( defined( $self->mock_url ) ) { $url = $self->mock_url; } #mock replace:
-
+    $ua->env_proxy;
     $ua->show_progress(1) if $self->debug;
 
   ATTEMPT: {

lib/SlackBot.pm

@@ -1,7 +1,7 @@
 package SlackBot;
 use strict;
 use warnings;
-our $VERSION = '0.6';
+our $VERSION = '0.7';
 use parent qw(ZabbixNotify);
 use LWP;
 use URI;
@@ -365,7 +365,7 @@ sub get_with_retries {
     my $ua = LWP::UserAgent->new();
 
     if ( defined( $self->mock_url ) ) { $url = $self->mock_url; } #mock replace:
-
+    $ua->env_proxy;
     $ua->show_progress(1) if $self->debug;
 
   ATTEMPT: {

lib/ZabbixNotify.pm

@@ -1,7 +1,7 @@
 package ZabbixNotify;
 use strict;
 use warnings;
-our $VERSION = '0.6';
+our $VERSION = '0.7';
 
 use Carp;
 use Data::Dumper;