1 files changed, 166 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/pihole/charts.go b/src/go/collectors/go.d.plugin/modules/pihole/charts.go
new file mode 100644
index 000000000..d8e0bd00a
--- /dev/null
+++ b/src/go/collectors/go.d.plugin/modules/pihole/charts.go
@@ -0,0 +1,166 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package pihole
+
+import (
+	"github.com/netdata/netdata/go/go.d.plugin/agent/module"
+)
+
+const (
+	prioDNSQueriesTotal = module.Priority + iota
+	prioDNSQueries
+	prioDNSQueriesPerc
+	prioUniqueClients
+	prioDomainsOnBlocklist
+	prioBlocklistLastUpdate
+	prioUnwantedDomainsBlockingStatus
+
+	prioDNSQueriesTypes
+	prioDNSQueriesForwardedDestination
+)
+
+var baseCharts = module.Charts{
+	chartDNSQueriesTotal.Copy(),
+	chartDNSQueries.Copy(),
+	chartDNSQueriesPerc.Copy(),
+	chartUniqueClients.Copy(),
+	chartDomainsOnBlocklist.Copy(),
+	chartBlocklistLastUpdate.Copy(),
+	chartUnwantedDomainsBlockingStatus.Copy(),
+}
+
+var (
+	chartDNSQueriesTotal = module.Chart{
+		ID:       "dns_queries_total",
+		Title:    "DNS Queries Total (Cached, Blocked and Forwarded)",
+		Units:    "queries",
+		Fam:      "queries",
+		Ctx:      "pihole.dns_queries_total",
+		Priority: prioDNSQueriesTotal,
+		Dims: module.Dims{
+			{ID: "dns_queries_today", Name: "queries"},
+		},
+	}
+	chartDNSQueries = module.Chart{
+		ID:       "dns_queries",
+		Title:    "DNS Queries",
+		Units:    "queries",
+		Fam:      "queries",
+		Ctx:      "pihole.dns_queries",
+		Type:     module.Stacked,
+		Priority: prioDNSQueries,
+		Dims: module.Dims{
+			{ID: "queries_cached", Name: "cached"},
+			{ID: "ads_blocked_today", Name: "blocked"},
+			{ID: "queries_forwarded", Name: "forwarded"},
+		},
+	}
+	chartDNSQueriesPerc = module.Chart{
+		ID:       "dns_queries_percentage",
+		Title:    "DNS Queries Percentage",
+		Units:    "percentage",
+		Fam:      "queries",
+		Ctx:      "pihole.dns_queries_percentage",
+		Type:     module.Stacked,
+		Priority: prioDNSQueriesPerc,
+		Dims: module.Dims{
+			{ID: "queries_cached_perc", Name: "cached", Div: precision},
+			{ID: "ads_blocked_today_perc", Name: "blocked", Div: precision},
+			{ID: "queries_forwarded_perc", Name: "forwarded", Div: precision},
+		},
+	}
+	chartUniqueClients = module.Chart{
+		ID:       "unique_clients",
+		Title:    "Unique Clients",
+		Units:    "clients",
+		Fam:      "clients",
+		Ctx:      "pihole.unique_clients",
+		Priority: prioUniqueClients,
+		Dims: module.Dims{
+			{ID: "unique_clients", Name: "unique"},
+		},
+	}
+	chartDomainsOnBlocklist = module.Chart{
+		ID:       "domains_on_blocklist",
+		Title:    "Domains On Blocklist",
+		Units:    "domains",
+		Fam:      "blocklist",
+		Ctx:      "pihole.domains_on_blocklist",
+		Priority: prioDomainsOnBlocklist,
+		Dims: module.Dims{
+			{ID: "domains_being_blocked", Name: "blocklist"},
+		},
+	}
+	chartBlocklistLastUpdate = module.Chart{
+		ID:       "blocklist_last_update",
+		Title:    "Blocklist Last Update",
+		Units:    "seconds",
+		Fam:      "blocklist",
+		Ctx:      "pihole.blocklist_last_update",
+		Priority: prioBlocklistLastUpdate,
+		Dims: module.Dims{
+			{ID: "blocklist_last_update", Name: "ago"},
+		},
+	}
+	chartUnwantedDomainsBlockingStatus = module.Chart{
+		ID:       "unwanted_domains_blocking_status",
+		Title:    "Unwanted Domains Blocking Status",
+		Units:    "status",
+		Fam:      "status",
+		Ctx:      "pihole.unwanted_domains_blocking_status",
+		Priority: prioUnwantedDomainsBlockingStatus,
+		Dims: module.Dims{
+			{ID: "blocking_status_enabled", Name: "enabled"},
+			{ID: "blocking_status_disabled", Name: "disabled"},
+		},
+	}
+)
+
+var (
+	chartDNSQueriesTypes = module.Chart{
+		ID:       "dns_queries_types",
+		Title:    "DNS Queries Per Type",
+		Units:    "percentage",
+		Fam:      "doQuery types",
+		Ctx:      "pihole.dns_queries_types",
+		Type:     module.Stacked,
+		Priority: prioDNSQueriesTypes,
+		Dims: module.Dims{
+			{ID: "A", Div: 100},
+			{ID: "AAAA", Div: 100},
+			{ID: "ANY", Div: 100},
+			{ID: "PTR", Div: 100},
+			{ID: "SOA", Div: 100},
+			{ID: "SRV", Div: 100},
+			{ID: "TXT", Div: 100},
+		},
+	}
+	chartDNSQueriesForwardedDestination = module.Chart{
+		ID:       "dns_queries_forwarded_destination",
+		Title:    "DNS Queries Per Destination",
+		Units:    "percentage",
+		Fam:      "queries answered by",
+		Ctx:      "pihole.dns_queries_forwarded_destination",
+		Type:     module.Stacked,
+		Priority: prioDNSQueriesForwardedDestination,
+		Dims: module.Dims{
+			{ID: "destination_cached", Name: "cached", Div: 100},
+			{ID: "destination_blocked", Name: "blocked", Div: 100},
+			{ID: "destination_other", Name: "other", Div: 100},
+		},
+	}
+)
+
+func (p *Pihole) addChartDNSQueriesType() {
+	chart := chartDNSQueriesTypes.Copy()
+	if err := p.Charts().Add(chart); err != nil {
+		p.Warning(err)
+	}
+}
+
+func (p *Pihole) addChartDNSQueriesForwardedDestinations() {
+	chart := chartDNSQueriesForwardedDestination.Copy()
+	if err := p.Charts().Add(chart); err != nil {
+		p.Warning(err)
+	}
+}