github.com/netdata/go.d.plugin@v0.58.1/modules/haproxy/charts.go (about)

     1  // SPDX-License-Identifier: GPL-3.0-or-later
     2  
     3  package haproxy
     4  
     5  import (
     6  	"fmt"
     7  
     8  	"github.com/netdata/go.d.plugin/agent/module"
     9  )
    10  
    11  var charts = module.Charts{
    12  	chartBackendCurrentSessions.Copy(),
    13  	chartBackendSessions.Copy(),
    14  
    15  	chartBackendResponseTimeAverage.Copy(),
    16  
    17  	chartBackendQueueTimeAverage.Copy(),
    18  	chartBackendCurrentQueue.Copy(),
    19  }
    20  
    21  var (
    22  	chartBackendCurrentSessions = module.Chart{
    23  		ID:    "backend_current_sessions",
    24  		Title: "Current number of active sessions",
    25  		Units: "sessions",
    26  		Fam:   "backend sessions",
    27  		Ctx:   "haproxy.backend_current_sessions",
    28  	}
    29  	chartBackendSessions = module.Chart{
    30  		ID:    "backend_sessions",
    31  		Title: "Sessions rate",
    32  		Units: "sessions/s",
    33  		Fam:   "backend sessions",
    34  		Ctx:   "haproxy.backend_sessions",
    35  	}
    36  )
    37  
    38  var (
    39  	chartBackendResponseTimeAverage = module.Chart{
    40  		ID:    "backend_response_time_average",
    41  		Title: "Average response time for last 1024 successful connections",
    42  		Units: "milliseconds",
    43  		Fam:   "backend responses",
    44  		Ctx:   "haproxy.backend_response_time_average",
    45  	}
    46  	chartTemplateBackendHTTPResponses = module.Chart{
    47  		ID:    "backend_http_responses_proxy_%s",
    48  		Title: "HTTP responses by code class for <code>%s</code> proxy",
    49  		Units: "responses/s",
    50  		Fam:   "backend responses",
    51  		Ctx:   "haproxy.backend_http_responses",
    52  		Type:  module.Stacked,
    53  		Dims: module.Dims{
    54  			{ID: "haproxy_backend_http_responses_1xx_proxy_%s", Name: "1xx", Algo: module.Incremental},
    55  			{ID: "haproxy_backend_http_responses_2xx_proxy_%s", Name: "2xx", Algo: module.Incremental},
    56  			{ID: "haproxy_backend_http_responses_3xx_proxy_%s", Name: "3xx", Algo: module.Incremental},
    57  			{ID: "haproxy_backend_http_responses_4xx_proxy_%s", Name: "4xx", Algo: module.Incremental},
    58  			{ID: "haproxy_backend_http_responses_5xx_proxy_%s", Name: "5xx", Algo: module.Incremental},
    59  			{ID: "haproxy_backend_http_responses_other_proxy_%s", Name: "other", Algo: module.Incremental},
    60  		},
    61  	}
    62  )
    63  
    64  var (
    65  	chartBackendQueueTimeAverage = module.Chart{
    66  		ID:    "backend_queue_time_average",
    67  		Title: "Average queue time for last 1024 successful connections",
    68  		Units: "milliseconds",
    69  		Fam:   "backend queue",
    70  		Ctx:   "haproxy.backend_queue_time_average",
    71  	}
    72  	chartBackendCurrentQueue = module.Chart{
    73  		ID:    "backend_current_queue",
    74  		Title: "Current number of queued requests",
    75  		Units: "requests",
    76  		Fam:   "backend queue",
    77  		Ctx:   "haproxy.backend_current_queue",
    78  	}
    79  )
    80  
    81  var (
    82  	chartTemplateBackendNetworkIO = module.Chart{
    83  		ID:    "backend_network_io_proxy_%s",
    84  		Title: "Network traffic for <code>%s</code> proxy",
    85  		Units: "bytes/s",
    86  		Fam:   "backend network",
    87  		Ctx:   "haproxy.backend_network_io",
    88  		Type:  module.Area,
    89  		Dims: module.Dims{
    90  			{ID: "haproxy_backend_bytes_in_proxy_%s", Name: "in", Algo: module.Incremental},
    91  			{ID: "haproxy_backend_bytes_out_proxy_%s", Name: "out", Algo: module.Incremental, Mul: -1},
    92  		},
    93  	}
    94  )
    95  
    96  func newChartBackendHTTPResponses(proxy string) *module.Chart {
    97  	return newBackendChartFromTemplate(chartTemplateBackendHTTPResponses, proxy)
    98  }
    99  
   100  func newChartBackendNetworkIO(proxy string) *module.Chart {
   101  	return newBackendChartFromTemplate(chartTemplateBackendNetworkIO, proxy)
   102  }
   103  
   104  func newBackendChartFromTemplate(tpl module.Chart, proxy string) *module.Chart {
   105  	c := tpl.Copy()
   106  	c.ID = fmt.Sprintf(c.ID, proxy)
   107  	c.Title = fmt.Sprintf(c.Title, proxy)
   108  	for _, d := range c.Dims {
   109  		d.ID = fmt.Sprintf(d.ID, proxy)
   110  	}
   111  	return c
   112  }