Add squid dashboard (#61)

collector-dashboards/otel-collector-squid-dashboard/main.tf

@@ -0,0 +1,129 @@
+terraform {
+  required_providers {
+    lightstep = {
+      source  = "lightstep/lightstep"
+      version = "~> 1.70.10"
+    }
+  }
+  required_version = ">= v1.0.11"
+}
+
+resource "lightstep_dashboard" "otel_collector_squid_dashboard" {
+  project_name          = var.lightstep_project
+  dashboard_name        = "Squid - Overview"
+  dashboard_description = "A squid overview dashboard displays real-time metrics including bytes hit rate, cache hit rate, error rate, client requests, and client traffic, providing insights into the performance and usage of the proxy server."
+
+  chart {
+    name = "Bytes Hit Rate"
+    rank = "0"
+    type = "timeseries"
+
+    query {
+      query_name   = "(a/b)"
+      display      = "big_number"
+      hidden       = false
+      query_string = <<EOT
+with
+  a = metric squid_client_http_hit_kbytes_out_bytes_total | rate 5m | group_by [], sum;
+  b = metric squid_client_http_kbytes_out_kbytes_total | rate 5m | group_by [], sum;
+join ((a / b)), a=0, b=0
+EOT
+    }
+
+  }
+
+  chart {
+    name = "Catch Hit Rate"
+    rank = "0"
+    type = "timeseries"
+
+    query {
+      query_name   = "(a/b)"
+      display      = "big_number"
+      hidden       = false
+      query_string = <<EOT
+with
+  a = metric squid_client_http_hits_total | rate 5m | group_by [], sum;
+  b = metric squid_client_http_requests_total | rate 5m | group_by [], sum;
+join ((a / b)), a=0, b=0
+EOT
+    }
+
+  }
+
+  chart {
+    name = "Error Rate"
+    rank = "0"
+    type = "timeseries"
+
+    query {
+      query_name   = "(a/b)"
+      display      = "big_number"
+      hidden       = false
+      query_string = <<EOT
+with
+  a = metric squid_client_http_errors_total | rate 5m | group_by [], sum;
+  b = metric squid_client_http_requests_total | rate 5m | group_by [], sum;
+join ((a / b)), a=0, b=0
+EOT
+    }
+
+  }
+
+  chart {
+    name = "Client Requests"
+    rank = "0"
+    type = "timeseries"
+
+    query {
+      query_name   = "a"
+      display      = "line"
+      hidden       = false
+      query_string = "metric squid_client_http_requests_total | rate 5m | group_by [], sum"
+    }
+
+    query {
+      query_name   = "b"
+      display      = "line"
+      hidden       = false
+      query_string = "metric squid_client_http_hits_total | rate 5m | group_by [], sum"
+    }
+
+    query {
+      query_name   = "c"
+      display      = "line"
+      hidden       = false
+      query_string = "metric squid_client_http_errors_total | rate 5m | group_by [], sum"
+    }
+
+  }
+
+  chart {
+    name = "Client Traffic"
+    rank = "0"
+    type = "timeseries"
+
+    query {
+      query_name   = "a"
+      display      = "line"
+      hidden       = false
+      query_string = "metric squid_client_http_kbytes_in_kbytes_total | rate 5m | group_by [], sum"
+    }
+
+    query {
+      query_name   = "b"
+      display      = "line"
+      hidden       = false
+      query_string = "metric squid_client_http_kbytes_out_kbytes_total | rate 5m | group_by [], sum"
+    }
+
+    query {
+      query_name   = "c"
+      display      = "line"
+      hidden       = false
+      query_string = "metric squid_client_http_hit_kbytes_out_bytes_total | rate 5m | group_by [], sum"
+    }
+
+  }
+
+}

collector-dashboards/otel-collector-squid-dashboard/outputs.tf

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+output "dashboard_url" {
+  value       = "https://app.lightstep.com/${var.lightstep_project}/dashboard/${lightstep_dashboard.otel_collector_squid_dashboard.id}"
+  description = "OpenTelemetry Collector Squid Metrics Dashboard URL"
+}

collector-dashboards/otel-collector-squid-dashboard/variables.tf

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+variable "lightstep_project" {
+  description = "Name of Lightstep project"
+  type        = string
+}