We must know the length of the various filesystem C strings before
turning them from a byte array into a Go string, otherwise our Go
strings could contain null bytes, corrupting the label values.
Signed-off-by: David O'Rourke <david.orourke@gmail.com>
The checkmetrics target currently uses promtool v2.5.0 which doesn't
include many improvements done over the time. This change also
simplifies the promtool installation, avoiding a temporary directory by
extracting the file directly to the target destination.
Signed-off-by: Tobias Schmidt <tobidt@gmail.com>
* The netdev collector CLI argument `--collector.netdev.ignored-devices` was renamed to `--collector.netdev.device-blacklist` in order to conform with the systemd collector. #1279
* The label named `state` on `node_systemd_service_restart_total` metrics was changed to `name` to better describe the metric. #1393
* Refactoring of the mdadm collector changes several metrics
- `node_md_disks_active` is removed
- `node_md_disks` now has a `state` label for "fail", "spare", "active" disks.
- `node_md_is_active` is replaced by `node_md_state` with a state set of "active", "inactive", "recovering", "resync".
* Additional label `mountaddr` added to NFS device metrics to distinguish mounts from the same URL, but different IP addresses. #1417
* Metrics node_cpu_scaling_frequency_min_hrts and node_cpu_scaling_frequency_max_hrts of the cpufreq collector were renamed to node_cpu_scaling_frequency_min_hertz and node_cpu_scaling_frequency_max_hertz. #1510
* Collectors that are enabled, but are unable to find data to collect, now return 0 for `node_scrape_collector_success`.
* [CHANGE] Add `--collector.netdev.device-whitelist`. #1279
* [CHANGE] Ignore iso9600 filesystem on Linux #1355
* [CHANGE] Refactor mdadm collector #1403
* [CHANGE] Add `mountaddr` label to NFS metrics. #1417
* [CHANGE] Don't count empty collectors as success. #1613
* [FEATURE] New flag to disable default collectors #1276
* [FEATURE] Add experimental TLS support #1277, #1687, #1695
* [FEATURE] Add collector for Power Supply Class #1280
* [FEATURE] Add new schedstat collector #1389
* [FEATURE] Add FreeBSD zfs support #1394
* [FEATURE] Add uname support for Darwin and OpenBSD #1433
* [FEATURE] Add new metric node_cpu_info #1489
* [FEATURE] Add new thermal_zone collector #1425
* [FEATURE] Add new cooling_device metrics to thermal zone collector #1445
* [FEATURE] Add swap usage on darwin #1508
* [FEATURE] Add Btrfs collector #1512
* [FEATURE] Add RAPL collector #1523
* [FEATURE] Add new softnet collector #1576
* [FEATURE] Add new udp_queues collector #1503
* [FEATURE] Add basic authentication #1673
* [ENHANCEMENT] Log pid when there is a problem reading the process stats #1341
* [ENHANCEMENT] Collect InfiniBand port state and physical state #1357
* [ENHANCEMENT] Include additional XFS runtime statistics. #1423
* [ENHANCEMENT] Report non-fatal collection errors in the exporter metric. #1439
* [ENHANCEMENT] Expose IPVS firewall mark as a label #1455
* [ENHANCEMENT] Add check for systemd version before attempting to query certain metrics. #1413
* [ENHANCEMENT] Add a flag to adjust mount timeout #1486
* [ENHANCEMENT] Add new counters for flush requests in Linux 5.5 #1548
* [ENHANCEMENT] Add metrics and tests for UDP receive and send buffer errors #1534
* [ENHANCEMENT] The sockstat collector now exposes IPv6 statistics in addition to the existing IPv4 support. #1552
* [ENHANCEMENT] Add infiniband info metric #1563
* [ENHANCEMENT] Add unix socket support for supervisord collector #1592
* [ENHANCEMENT] Implement loadavg on all BSDs without cgo #1584
* [ENHANCEMENT] Add model_name and stepping to node_cpu_info metric #1617
* [ENHANCEMENT] Add `--collector.perf.cpus` to allow setting the CPU list for perf stats. #1561
* [ENHANCEMENT] Add metrics for IO errors and retires on Darwin. #1636
* [ENHANCEMENT] Add perf tracepoint collection flag #1664
* [ENHANCEMENT] ZFS: read contents of objset file #1632
* [ENHANCEMENT] Linux CPU: Cache CPU metrics to make them monotonically increasing #1711
* [BUGFIX] Read /proc/net files with a single read syscall #1380
* [BUGFIX] Renamed label `state` to `name` on `node_systemd_service_restart_total`. #1393
* [BUGFIX] Fix netdev nil reference on Darwin #1414
* [BUGFIX] Strip path.rootfs from mountpoint labels #1421
* [BUGFIX] Fix seconds reported by schedstat #1426
* [BUGFIX] Fix empty string in path.rootfs #1464
* [BUGFIX] Fix typo in cpufreq metric names #1510
* [BUGFIX] Read /proc/stat in one syscall #1538
* [BUGFIX] Fix OpenBSD cache memory information #1542
* [BUGFIX] Refactor textfile collector to avoid looping defer #1549
* [BUGFIX] Fix network speed math #1580
* [BUGFIX] collector/systemd: use regexp to extract systemd version #1647
* [BUGFIX] Fix initialization in perf collector when using multiple CPUs #1665
* [BUGFIX] Fix accidentally empty lines in meminfo_linux #1671
Signed-off-by: Ben Kochie <superq@gmail.com>
* Update CHANGELOG with fixes and improvements from rc.0
Signed-off-by: Ben Kochie <superq@gmail.com>
Signed-off-by: Richard Hartmann <richih@richih.org>
tls: enable the selection of more TLS settings
* Rename `tls_config` to `tls_server_config`.
* Add new http server config with HTTP/2 enabled by default.
Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>
We're looking to reuse this in Cortex to client side encrypt our
connections and not having this exposed is making us copy this entire
function.
Signed-off-by: Goutham Veeramachaneni <gouthamve@gmail.com>
The readme file does not mention the need to create a folder named
/var/lib/node_exporter/textfile_collector as a step. Lack of this
folder results errors for node_exporter service which is visible
in systemd status output. These errors possibly harmless but it is
not good to have them still.
$ sudo systemctl status node_exporter
--- snipped ---
Apr 04 14:51:35 ubuntu node_exporter[14713]: level=info ts=2020-04-04T14:51:35.584Z caller=node_exporter.go:190 msg="Listening on" address=:9100
Apr 04 15:05:34 ubuntu node_exporter[14876]: level=error ts=2020-04-04T15:05:34.464Z caller=textfile.go:197 collector=textfile msg="failed to read textfile collector directory" path=/var/lib/node_exporter/textfile_collector=textfile msg="failed to read textfile collector directory" path=/var/lib/node_exporter/textfile_collector err="open /var/lib/node_exporter/textfile_collector: no such file or directory"
--- snipped ---
Signed-off-by: Fatih Degirmenci <fdegir@gmail.com>
* Two new states will be added to the tcpstat collector called rx_queued_bytes and tx_queued_bytes.
For UDP datagrams an additional collector 'udp_queues' can be used to expose the total lengths of the tx_queue and rx_queue.
@SuperQ and @discordianfish this changes gives us the option to check for overloaded UDP + TCP processing.
The names of the new TCP states and the UDP metric can be discussed.
The current reasons are just:
I don't want to add another collector for the same exposed file, so I just added the new states to the tcpstat collector.
I chose the name 'udp_queue' instead of 'udpstat' as UDP has no state.
Signed-off-by: Peter Bueschel <peter.bueschel@logmein.com>
