package nginx_plus import ( "fmt" "net" "net/http" "net/http/httptest" "net/url" "testing" "github.com/influxdata/telegraf/testutil" //"github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) const sampleStatusResponse = ` { "version": 6, "nginx_version": "1.22.333", "address": "1.2.3.4", "generation": 88, "load_timestamp": 1451606400000, "timestamp": 1451606400000, "pid": 9999, "processes": { "respawned": 9999 }, "connections": { "accepted": 1234567890000, "dropped": 2345678900000, "active": 345, "idle": 567 }, "ssl": { "handshakes": 1234567800000, "handshakes_failed": 5432100000000, "session_reuses": 6543210000000 }, "requests": { "total": 9876543210000, "current": 98 }, "server_zones": { "zone.a_80": { "processing": 12, "requests": 34, "responses": { "1xx": 111, "2xx": 222, "3xx": 333, "4xx": 444, "5xx": 555, "total": 999 }, "discarded": 11, "received": 22, "sent": 33 }, "zone.a_443": { "processing": 45, "requests": 67, "responses": { "1xx": 1111, "2xx": 2222, "3xx": 3333, "4xx": 4444, "5xx": 5555, "total": 999 }, "discarded": 44, "received": 55, "sent": 66 } }, "upstreams": { "first_upstream": { "peers": [ { "id": 0, "server": "1.2.3.123:80", "backup": false, "weight": 1, "state": "up", "active": 0, "requests": 9876, "responses": { "1xx": 1111, "2xx": 2222, "3xx": 3333, "4xx": 4444, "5xx": 5555, "total": 987654 }, "sent": 987654321, "received": 87654321, "fails": 98, "unavail": 65, "health_checks": { "checks": 54, "fails": 32, "unhealthy": 21 }, "downtime": 5432, "downstart": 4321, "selected": 1451606400000 }, { "id": 1, "server": "1.2.3.123:80", "backup": true, "weight": 1, "state": "up", "active": 0, "requests": 8765, "responses": { "1xx": 1112, "2xx": 2223, "3xx": 3334, "4xx": 4445, "5xx": 5556, "total": 987655 }, "sent": 987654322, "received": 87654322, "fails": 99, "unavail": 88, "health_checks": { "checks": 77, "fails": 66, "unhealthy": 55 }, "downtime": 5433, "downstart": 4322, "selected": 1451606400000 } ], "keepalive": 1, "zombies": 2 } }, "caches": { "cache_01": { "size": 12, "max_size": 23, "cold": false, "hit": { "responses": 34, "bytes": 45 }, "stale": { "responses": 56, "bytes": 67 }, "updating": { "responses": 78, "bytes": 89 }, "revalidated": { "responses": 90, "bytes": 98 }, "miss": { "responses": 87, "bytes": 76, "responses_written": 65, "bytes_written": 54 }, "expired": { "responses": 43, "bytes": 32, "responses_written": 21, "bytes_written": 10 }, "bypass": { "responses": 13, "bytes": 35, "responses_written": 57, "bytes_written": 79 } } }, "stream": { "server_zones": { "stream.zone.01": { "processing": 24, "connections": 46, "received": 68, "sent": 80 }, "stream.zone.02": { "processing": 96, "connections": 63, "received": 31, "sent": 25 } }, "upstreams": { "upstream.01": { "peers": [ { "id": 0, "server": "4.3.2.1:2345", "backup": false, "weight": 1, "state": "up", "active": 0, "connections": 0, "sent": 0, "received": 0, "fails": 0, "unavail": 0, "health_checks": { "checks": 40848, "fails": 0, "unhealthy": 0, "last_passed": true }, "downtime": 0, "downstart": 0, "selected": 0 }, { "id": 1, "server": "5.4.3.2:2345", "backup": false, "weight": 1, "state": "up", "active": 0, "connections": 0, "sent": 0, "received": 0, "fails": 0, "unavail": 0, "health_checks": { "checks": 40851, "fails": 0, "unhealthy": 0, "last_passed": true }, "downtime": 0, "downstart": 0, "selected": 0 } ], "zombies": 0 } } } } ` func TestNginxPlusGeneratesMetrics(t *testing.T) { ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { var rsp string if r.URL.Path == "/status" { rsp = sampleStatusResponse w.Header()["Content-Type"] = []string{"application/json"} } else { panic("Cannot handle request") } fmt.Fprintln(w, rsp) })) defer ts.Close() n := &NginxPlus{ Urls: []string{fmt.Sprintf("%s/status", ts.URL)}, } var acc testutil.Accumulator err_nginx := n.Gather(&acc) require.NoError(t, err_nginx) addr, err := url.Parse(ts.URL) if err != nil { panic(err) } host, port, err := net.SplitHostPort(addr.Host) if err != nil { host = addr.Host if addr.Scheme == "http" { port = "80" } else if addr.Scheme == "https" { port = "443" } else { port = "" } } acc.AssertContainsTaggedFields( t, "nginx_plus_processes", map[string]interface{}{ "respawned": int(9999), }, map[string]string{ "server": host, "port": port, }) acc.AssertContainsTaggedFields( t, "nginx_plus_connections", map[string]interface{}{ "accepted": int(1234567890000), "dropped": int(2345678900000), "active": int(345), "idle": int(567), }, map[string]string{ "server": host, "port": port, }) acc.AssertContainsTaggedFields( t, "nginx_plus_ssl", map[string]interface{}{ "handshakes": int64(1234567800000), "handshakes_failed": int64(5432100000000), "session_reuses": int64(6543210000000), }, map[string]string{ "server": host, "port": port, }) acc.AssertContainsTaggedFields( t, "nginx_plus_requests", map[string]interface{}{ "total": int64(9876543210000), "current": int(98), }, map[string]string{ "server": host, "port": port, }) acc.AssertContainsTaggedFields( t, "nginx_plus_zone", map[string]interface{}{ "processing": int(12), "requests": int64(34), "responses_1xx": int64(111), "responses_2xx": int64(222), "responses_3xx": int64(333), "responses_4xx": int64(444), "responses_5xx": int64(555), "responses_total": int64(999), "discarded": int64(11), "received": int64(22), "sent": int64(33), }, map[string]string{ "server": host, "port": port, "zone": "zone.a_80", }) acc.AssertContainsTaggedFields( t, "nginx_plus_upstream", map[string]interface{}{ "keepalive": int(1), "zombies": int(2), }, map[string]string{ "server": host, "port": port, "upstream": "first_upstream", }) acc.AssertContainsTaggedFields( t, "nginx_plus_upstream_peer", map[string]interface{}{ "backup": false, "weight": int(1), "state": "up", "active": int(0), "requests": int64(9876), "responses_1xx": int64(1111), "responses_2xx": int64(2222), "responses_3xx": int64(3333), "responses_4xx": int64(4444), "responses_5xx": int64(5555), "responses_total": int64(987654), "sent": int64(987654321), "received": int64(87654321), "fails": int64(98), "unavail": int64(65), "healthchecks_checks": int64(54), "healthchecks_fails": int64(32), "healthchecks_unhealthy": int64(21), "downtime": int64(5432), "downstart": int64(4321), "selected": int64(1451606400000), }, map[string]string{ "server": host, "port": port, "upstream": "first_upstream", "upstream_address": "1.2.3.123:80", "id": "0", }) }