Replace --collectors.enabled with per-collector flags (#640)

* Move NodeCollector into package collector

* Refactor collector enabling

* Update README with new collector enabled flags

* Fix out-of-date inline flag reference syntax

* Use new flags in end-to-end tests

* Add flag to disable all default collectors

* Track if a flag has been set explicitly

* Add --collectors.disable-defaults to README

* Revert disable-defaults flag

* Shorten flags

* Fixup timex collector registration

* Fix end-to-end tests

* Change procfs and sysfs path flags

* Fix review comments

1 files changed, 2 insertions, 2 deletions

diff --git a/collector/interrupts_common.go b/collector/interrupts_common.go
index 2c8babb..b1c5f27 100644
--- a/collector/interrupts_common.go
+++ b/collector/interrupts_common.go
@@ -23,14 +23,14 @@ type interruptsCollector struct {
 }
 
 func init() {
-        Factories["interrupts"] = NewInterruptsCollector
+        registerCollector("interrupts", defaultDisabled, NewInterruptsCollector)
 }
 
 // NewInterruptsCollector returns a new Collector exposing interrupts stats.
 func NewInterruptsCollector() (Collector, error) {
         return &interruptsCollector{
                 desc: typedDesc{prometheus.NewDesc(
-                        Namespace+"_interrupts",
+                        namespace+"_interrupts",
                         "Interrupt details.",
                         interruptLabelNames, nil,
                 ), prometheus.CounterValue},