boynux/squid-exporter

package collector

import (
    "strings"

    "github.com/prometheus/client_golang/prometheus"
)

type squidInfos struct {
    Section     string
    Description string
    Unit        string
}

var squidInfoss = []squidInfos{
    {"Number_of_clients_accessing_cache", "", "number"},
    {"Number_of_HTTP_requests_received", "", "number"},
    {"Number_of_ICP_messages_received", "", "number"},
    {"Number_of_ICP_messages_sent", "", "number"},
    {"Number_of_queued_ICP_replies", "", "number"},
    {"Number_of_HTCP_messages_received", "", "number"},
    {"Number_of_HTCP_messages_sent", "", "number"},
    {"Request_failure_ratio", "", "%"},
    {"Average_HTTP_requests_per_minute_since_start", "", "%"},
    {"Average_ICP_messages_per_minute_since_start", "", "%"},
    {"Select_loop_called", "", "number"},
    {"Hits_as_%_of_all_requests_5min", "", "%"},
    {"Hits_as_%_of_bytes_sent_5min", "", "%"},
    {"Memory_hits_as_%_of_hit_requests_5min", "", "%"},
    {"Disk_hits_as_%_of_hit_requests_5min", "", "%"},
    {"Hits_as_%_of_all_requests_60min", "", "%"},
    {"Hits_as_%_of_bytes_sent_60min", "", "%"},
    {"Memory_hits_as_%_of_hit_requests_60min", "", "%"},
    {"Disk_hits_as_%_of_hit_requests_60min", "", "%"},
    {"Storage_Swap_size", "", "KB"},
    {"Storage_Swap_capacity", "", "% use"},
    {"Storage_Mem_size", "", "KB"},
    {"Storage_Mem_capacity", "", "% used"},
    {"Mean_Object_Size", "", "KB"},
    {"Requests_given_to_unlinkd", "", "number"},
    {"UP_Time", "time squid is up", "seconds"},
    {"CPU_Time", "", "seconds"},
    {"CPU_Usage", "of cpu usage", "%"},
    {"CPU_Usage_5_minute_avg", "of cpu usage", "%"},
    {"CPU_Usage_60_minute_avg", "of cpu usage", "%"},
    {"Maximum_Resident_Size", "", "KB"},
    {"Page_faults_with_physical_i_o", "", "number"},
    {"Total_accounted", "", "KB"},
    {"memPoolAlloc_calls", "", "number"},
    {"memPoolFree_calls", "", "number"},
    {"Maximum_number_of_file_descriptors", "", "number"},
    {"Largest_file_desc_currently_in_use", "", "number"},
    {"Number_of_file_desc_currently_in_use", "", "number"},
    {"Files_queued_for_open", "", "number"},
    {"Available_number_of_file_descriptors", "", "number"},
    {"Reserved_number_of_file_descriptors", "", "number"},
    {"Store_Disk_files_open", "", "number"},
    {"StoreEntries", "", "number"},
    {"StoreEntries_with_MemObjects", "", "number"},
    {"Hot_Object_Cache_Items", "", "number"},
    {"on_disk_objects", "", "number"},
}

func generateSquidInfos(labels []string) descMap {
    infos := descMap{}

    for i := range squidInfoss {
        info := squidInfoss[i]

        var key string
        var name string
        var description string

        key = info.Section
        name = prometheus.BuildFQName(namespace, "info", strings.Replace(info.Section, "%", "pct", -1))

        if info.Description == "" {
            description = strings.Replace(info.Section, "_", " ", -1)
        } else {
            description = info.Description
        }

        description = description + " in " + info.Unit

        infos[key] = prometheus.NewDesc(
            name,
            description,
            labels, nil,
        )
    }

    return infos
}