1 files changed, 112 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/haproxy/charts.go b/src/go/collectors/go.d.plugin/modules/haproxy/charts.go
new file mode 100644
index 000000000..503094c58
--- /dev/null
+++ b/src/go/collectors/go.d.plugin/modules/haproxy/charts.go
@@ -0,0 +1,112 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package haproxy
+
+import (
+	"fmt"
+
+	"github.com/netdata/netdata/go/go.d.plugin/agent/module"
+)
+
+var charts = module.Charts{
+	chartBackendCurrentSessions.Copy(),
+	chartBackendSessions.Copy(),
+
+	chartBackendResponseTimeAverage.Copy(),
+
+	chartBackendQueueTimeAverage.Copy(),
+	chartBackendCurrentQueue.Copy(),
+}
+
+var (
+	chartBackendCurrentSessions = module.Chart{
+		ID:    "backend_current_sessions",
+		Title: "Current number of active sessions",
+		Units: "sessions",
+		Fam:   "backend sessions",
+		Ctx:   "haproxy.backend_current_sessions",
+	}
+	chartBackendSessions = module.Chart{
+		ID:    "backend_sessions",
+		Title: "Sessions rate",
+		Units: "sessions/s",
+		Fam:   "backend sessions",
+		Ctx:   "haproxy.backend_sessions",
+	}
+)
+
+var (
+	chartBackendResponseTimeAverage = module.Chart{
+		ID:    "backend_response_time_average",
+		Title: "Average response time for last 1024 successful connections",
+		Units: "milliseconds",
+		Fam:   "backend responses",
+		Ctx:   "haproxy.backend_response_time_average",
+	}
+	chartTemplateBackendHTTPResponses = module.Chart{
+		ID:    "backend_http_responses_proxy_%s",
+		Title: "HTTP responses by code class for <code>%s</code> proxy",
+		Units: "responses/s",
+		Fam:   "backend responses",
+		Ctx:   "haproxy.backend_http_responses",
+		Type:  module.Stacked,
+		Dims: module.Dims{
+			{ID: "haproxy_backend_http_responses_1xx_proxy_%s", Name: "1xx", Algo: module.Incremental},
+			{ID: "haproxy_backend_http_responses_2xx_proxy_%s", Name: "2xx", Algo: module.Incremental},
+			{ID: "haproxy_backend_http_responses_3xx_proxy_%s", Name: "3xx", Algo: module.Incremental},
+			{ID: "haproxy_backend_http_responses_4xx_proxy_%s", Name: "4xx", Algo: module.Incremental},
+			{ID: "haproxy_backend_http_responses_5xx_proxy_%s", Name: "5xx", Algo: module.Incremental},
+			{ID: "haproxy_backend_http_responses_other_proxy_%s", Name: "other", Algo: module.Incremental},
+		},
+	}
+)
+
+var (
+	chartBackendQueueTimeAverage = module.Chart{
+		ID:    "backend_queue_time_average",
+		Title: "Average queue time for last 1024 successful connections",
+		Units: "milliseconds",
+		Fam:   "backend queue",
+		Ctx:   "haproxy.backend_queue_time_average",
+	}
+	chartBackendCurrentQueue = module.Chart{
+		ID:    "backend_current_queue",
+		Title: "Current number of queued requests",
+		Units: "requests",
+		Fam:   "backend queue",
+		Ctx:   "haproxy.backend_current_queue",
+	}
+)
+
+var (
+	chartTemplateBackendNetworkIO = module.Chart{
+		ID:    "backend_network_io_proxy_%s",
+		Title: "Network traffic for <code>%s</code> proxy",
+		Units: "bytes/s",
+		Fam:   "backend network",
+		Ctx:   "haproxy.backend_network_io",
+		Type:  module.Area,
+		Dims: module.Dims{
+			{ID: "haproxy_backend_bytes_in_proxy_%s", Name: "in", Algo: module.Incremental},
+			{ID: "haproxy_backend_bytes_out_proxy_%s", Name: "out", Algo: module.Incremental, Mul: -1},
+		},
+	}
+)
+
+func newChartBackendHTTPResponses(proxy string) *module.Chart {
+	return newBackendChartFromTemplate(chartTemplateBackendHTTPResponses, proxy)
+}
+
+func newChartBackendNetworkIO(proxy string) *module.Chart {
+	return newBackendChartFromTemplate(chartTemplateBackendNetworkIO, proxy)
+}
+
+func newBackendChartFromTemplate(tpl module.Chart, proxy string) *module.Chart {
+	c := tpl.Copy()
+	c.ID = fmt.Sprintf(c.ID, proxy)
+	c.Title = fmt.Sprintf(c.Title, proxy)
+	for _, d := range c.Dims {
+		d.ID = fmt.Sprintf(d.ID, proxy)
+	}
+	return c
+}