From 7b08f9d09951bc01524554ae64195b49862bdb2d Mon Sep 17 00:00:00 2001
From: Daniel Nelson <daniel@wavesofdawn.com>
Date: Fri, 8 Sep 2017 15:35:20 -0700
Subject: [PATCH] Add support for standard proxy env vars in outputs. (#3212)

---
 plugins/outputs/amon/amon.go            | 3 +++
 plugins/outputs/datadog/datadog.go      | 4 ++++
 plugins/outputs/influxdb/client/http.go | 1 +
 plugins/outputs/librato/librato.go      | 3 +++
 4 files changed, 11 insertions(+)

diff --git a/plugins/outputs/amon/amon.go b/plugins/outputs/amon/amon.go
index a113f2616..10298173f 100644
--- a/plugins/outputs/amon/amon.go
+++ b/plugins/outputs/amon/amon.go
@@ -48,6 +48,9 @@ func (a *Amon) Connect() error {
 		return fmt.Errorf("serverkey and amon_instance are required fields for amon output")
 	}
 	a.client = &http.Client{
+		Transport: &http.Transport{
+			Proxy: http.ProxyFromEnvironment,
+		},
 		Timeout: a.Timeout.Duration,
 	}
 	return nil
diff --git a/plugins/outputs/datadog/datadog.go b/plugins/outputs/datadog/datadog.go
index cf54de725..6d7531eb5 100644
--- a/plugins/outputs/datadog/datadog.go
+++ b/plugins/outputs/datadog/datadog.go
@@ -55,7 +55,11 @@ func (d *Datadog) Connect() error {
 	if d.Apikey == "" {
 		return fmt.Errorf("apikey is a required field for datadog output")
 	}
+
 	d.client = &http.Client{
+		Transport: &http.Transport{
+			Proxy: http.ProxyFromEnvironment,
+		},
 		Timeout: d.Timeout.Duration,
 	}
 	return nil
diff --git a/plugins/outputs/influxdb/client/http.go b/plugins/outputs/influxdb/client/http.go
index 2587b2da5..d8c1951f5 100644
--- a/plugins/outputs/influxdb/client/http.go
+++ b/plugins/outputs/influxdb/client/http.go
@@ -53,6 +53,7 @@ func NewHTTP(config HTTPConfig, defaultWP WriteParams) (Client, error) {
 		}
 	} else {
 		transport = http.Transport{
+			Proxy:           http.ProxyFromEnvironment,
 			TLSClientConfig: config.TLSConfig,
 		}
 	}
diff --git a/plugins/outputs/librato/librato.go b/plugins/outputs/librato/librato.go
index ed020d54f..abd3b055f 100644
--- a/plugins/outputs/librato/librato.go
+++ b/plugins/outputs/librato/librato.go
@@ -80,6 +80,9 @@ func (l *Librato) Connect() error {
 			"api_user and api_token are required fields for librato output")
 	}
 	l.client = &http.Client{
+		Transport: &http.Transport{
+			Proxy: http.ProxyFromEnvironment,
+		},
 		Timeout: l.Timeout.Duration,
 	}
 	return nil