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rcd: Add Prometheus metrics support - fixes #3858

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Signed-off-by: Gary Kim <gary@garykim.dev>
This commit is contained in:
Gary Kim
2020-02-26 16:34:32 +08:00
committed by Nick Craig-Wood
parent 3fd38cbe8d
commit 38a4d50e73
7 changed files with 189 additions and 11 deletions
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59
fs/rc/rcserver/rcserver_test.go
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@@ -12,10 +12,12 @@ import (
"testing"
"time"
_ "github.com/rclone/rclone/backend/local"
"github.com/rclone/rclone/fs/rc"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
_ "github.com/rclone/rclone/backend/local"
"github.com/rclone/rclone/fs/accounting"
"github.com/rclone/rclone/fs/rc"
)
const (
@@ -481,6 +483,59 @@ func TestMethods(t *testing.T) {
testServer(t, tests, &opt)
}
func TestMetrics(t *testing.T) {
stats := accounting.GlobalStats()
tests := makeMetricsTestCases(stats)
opt := newTestOpt()
opt.EnableMetrics = true
testServer(t, tests, &opt)
// Test changing a couple options
stats.Bytes(500)
stats.Deletes(30)
stats.Errors(2)
stats.Bytes(324)
tests = makeMetricsTestCases(stats)
testServer(t, tests, &opt)
}
func makeMetricsTestCases(stats *accounting.StatsInfo) (tests []testRun) {
tests = []testRun{{
Name: "Bytes Transferred Metric",
URL: "/metrics",
Method: "GET",
Status: http.StatusOK,
Contains: regexp.MustCompile(fmt.Sprintf("rclone_bytes_transferred_total %d", stats.GetBytes())),
}, {
Name: "Checked Files Metric",
URL: "/metrics",
Method: "GET",
Status: http.StatusOK,
Contains: regexp.MustCompile(fmt.Sprintf("rclone_checked_files_total %d", stats.GetChecks())),
}, {
Name: "Errors Metric",
URL: "/metrics",
Method: "GET",
Status: http.StatusOK,
Contains: regexp.MustCompile(fmt.Sprintf("rclone_errors_total %d", stats.GetErrors())),
}, {
Name: "Deleted Files Metric",
URL: "/metrics",
Method: "GET",
Status: http.StatusOK,
Contains: regexp.MustCompile(fmt.Sprintf("rclone_files_deleted_total %d", stats.Deletes(0))),
}, {
Name: "Files Transferred Metric",
URL: "/metrics",
Method: "GET",
Status: http.StatusOK,
Contains: regexp.MustCompile(fmt.Sprintf("rclone_files_transferred_total %d", stats.GetTransfers())),
},
}
return
}
var matchRemoteDirListing = regexp.MustCompile(`<title>List of all rclone remotes.</title>`)
func TestServingRoot(t *testing.T) {