.circleci/config.yml: bump Prometheus CircleCI orbs version

Signed-off-by: Simon Pasquier <spasquie@redhat.com>

Merge pull request #1032 from prometheus/repo_sync

Synchronize common files from prometheus/prometheus

Update common Prometheus files

Signed-off-by: prombot <prometheus-team@googlegroups.com>

Merge pull request #1028 from prometheus/dependabot/go_modules/golang.org/x/net-0.7.0

Bump golang.org/x/net from 0.5.0 to 0.7.0

Bump golang.org/x/net from 0.5.0 to 0.7.0

Bumps [golang.org/x/net](https://github.com/golang/net) from 0.5.0 to 0.7.0.
- [Release notes](https://github.com/golang/net/releases)
- [Commits](https://github.com/golang/net/compare/v0.5.0...v0.7.0)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Add hostname parameter for TCP probe (#981)

This adds the ability to set the TLS server name for TCP probes using the hostname parameter,
just like #823 did for HTTP probes

* add hostname parameter for tcp probe
* only add servername if TLS is true
* add even if TLS isn't true in case of STARTTLS
* added test hostname parameter with TCP probe
* remove unnecessary function and inline assignment

---------

Signed-off-by: Lyas Spiehler <lspiehler@gmail.com>
Co-authored-by: Lyas Spiehler <lyas.spiehler@sapphirehealth.org>

Merge pull request #1021 from prometheus/dependabot/go_modules/google.golang.org/grpc-1.52.3

Bump google.golang.org/grpc from 1.51.0 to 1.52.3

Bump google.golang.org/grpc from 1.51.0 to 1.52.3

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.51.0 to 1.52.3.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.51.0...v1.52.3)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Merge pull request #1022 from prometheus/dependabot/go_modules/golang.org/x/net-0.5.0

Bump golang.org/x/net from 0.4.0 to 0.5.0

Bump golang.org/x/net from 0.4.0 to 0.5.0

Bumps [golang.org/x/net](https://github.com/golang/net) from 0.4.0 to 0.5.0.
- [Release notes](https://github.com/golang/net/releases)
- [Commits](https://github.com/golang/net/compare/v0.4.0...v0.5.0)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Synchronize common files from prometheus/prometheus (#1015)

Signed-off-by: prombot <prometheus-team@googlegroups.com>
Signed-off-by: prombot <prometheus-team@googlegroups.com>

Add root (`modules`) key to CONFIGURATION.md (#1009)

* Add root (`modules`) key to CONFIGURATION.md

The Exporter configuration is complicated by the omission of the root (`modules`) key from the configuration document.

Not only must configuration begin with `modules` but each module is a map of module names to module values.

I think I've correctly reflected this here using the document's schema.

Signed-off-by: Daz Wilkin <DazWilkin@users.noreply.github.com>
* link to example.yml

Signed-off-by: Suraj Nath <9503187+electron0zero@users.noreply.github.com>
Signed-off-by: Daz Wilkin <DazWilkin@users.noreply.github.com>
Signed-off-by: Suraj Nath <9503187+electron0zero@users.noreply.github.com>
Co-authored-by: Suraj Nath <9503187+electron0zero@users.noreply.github.com>

Synchronize common files from prometheus/prometheus (#1010)

Signed-off-by: prombot <prometheus-team@googlegroups.com>
Signed-off-by: prombot <prometheus-team@googlegroups.com>

Merge pull request #1008 from roidelapluie/consistentdoc

Make Proxy Connect Headers consistent with Prometheus

Make Proxy Connect Headers consistent with Prometheus

Signed-off-by: Julien Pivotto <roidelapluie@o11y.eu>

Update prometheus/common (#1006)

This pulls in support for specifying proxy connect headers. Update
CONFIGURATION.md and example.yml to match.

Signed-off-by: Marcelo E. Magallon <marcelo.magallon@grafana.com>

Update common Prometheus files (#1004)

Signed-off-by: prombot <prometheus-team@googlegroups.com>

Merge pull request #1000 from roidelapluie/rel0230

Release 0.23.0

Update changelog with #990

Signed-off-by: Julien Pivotto <roidelapluie@o11y.eu>

Release 0.23.0

Signed-off-by: Julien Pivotto <roidelapluie@o11y.eu>

Merge pull request #990 from danteu/dns_target_reachable

Add probe_dns_query_succeeded metric

Merge commit 'refs/pull/979/head' of https://github.com/prometheus/blackbox_exporter

And update go.mod

Signed-off-by: Julien Pivotto <roidelapluie@o11y.eu>

Merge pull request #998 from prometheus/dependabot/go_modules/google.golang.org/grpc-1.51.0

Bump google.golang.org/grpc from 1.48.0 to 1.51.0

Bump google.golang.org/grpc from 1.48.0 to 1.51.0

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.48.0 to 1.51.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.48.0...v1.51.0)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Merge pull request #997 from prometheus/update_toolkit

Update prometheus/exporter-toolkit to v0.7.2

Update prometheus/exporter-toolkit to v0.7.2

Signed-off-by: Suraj Nath <9503187+electron0zero@users.noreply.github.com>

Merge pull request #985 from paketb0te/master

update to golang.org/x/net v0.2.0

update to golang.org/x/net v0.2.0

Signed-off-by: Manuel Stausberg <stausberg@denic.de>

Merge pull request #995 from prometheus/dependabot/go_modules/google.golang.org/grpc-1.51.0

Bump google.golang.org/grpc from 1.48.0 to 1.51.0

Bump google.golang.org/grpc from 1.48.0 to 1.51.0

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.48.0 to 1.51.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.48.0...v1.51.0)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Merge pull request #994 from prometheus/superq/bump_go

Update Go

Update Go

* Update Go to 1.19.
* Update some Go modules.
* Enable dependabot.

Signed-off-by: SuperQ <superq@gmail.com>

Merge pull request #993 from prometheus/superq/update_docker_docs

Update Docker run docs

Update Docker run docs

* Remove `-d` so it's easier to see errors interactively.
* Use `latest` tag to make sure users use the release by default.
* Recommend quay.io repo by default.

Signed-off-by: SuperQ <superq@gmail.com>

Add probe_dns_query_succeeded metric

Currently, one may not be able to differentiate between a query refusal
by the target and the target not responding to a query. These two cases
can have very different ramifications.

This patch adds the probe_dns_query_succeeded gauge which is 1 if and
only if the DNS query was executed correctly, i.e., that the target
host has sent a response, and 0 otherwise.

Resolves #474

Signed-off-by: Daniel Teunis <daniel@teunis.cc>

Add missing probe_tls_version_info and probe_ssl_last_chain_info metrics to STARTTLS TCP probes (#983)

probe_tls_version_info and probe_ssl_last_chain_info metrics were missing from STARTTLS TCP probes and added them.

Signed-off-by: Lyas Spiehler lspiehler@gmail.com

bump exporter-toolkit to v0.8.1

Signed-off-by: Perry Naseck <git@perrynaseck.com>

fix deps for update to exporter-toolkit v0.8.0

Signed-off-by: Perry Naseck <git@perrynaseck.com>

update to exporter-toolkit v0.8.0

Signed-off-by: Perry Naseck <git@perrynaseck.com>

Refactor prober gauges (#972)

Move prober metric GaugeOpts into prober.go to reduce copy-n-paste.

Signed-off-by: SuperQ superq@gmail.com

Use textproto.CanonicalMIMEHeaderKey

Using the full i18n library isn't needed, this just needs to be ASCII
per MIME style header standards.

Signed-off-by: David Leadbeater <dgl@dgl.cx>
Signed-off-by: SuperQ <superq@gmail.com>

Consistent HELP message of gauge metrics across check types (#970)

Co-authored-by: Suraj Nath <9503187+electron0zero@users.noreply.github.com>

Merge pull request #968 from prometheus/repo_sync

Synchronize common files from prometheus/prometheus

Refactor proberHandler as an exported function (#957)

* Refactor proberHandler as an exported function

Signed-off-by: Marc Tuduri <marctc@protonmail.com>

Update common Prometheus files

Signed-off-by: prombot <prometheus-team@googlegroups.com>

Add leaf certificate details in probe_tls_certificate_info metric (#943)

Add left certificate's "subject", "issuer", "subjectalternative" labels in `probe_tls_certificate_info` metric.

See relevent discussion in #892

Co-authored-by: Daniel Jolly <code@danieljolly.com>

Release 0.22.0 (#954)

Signed-off-by: Julien Pivotto <roidelapluie@o11y.eu>

Use BBE user agent for oauth2

Signed-off-by: Julien Pivotto <roidelapluie@o11y.eu>

Merge pull request #952 from inosato/remove-ioutil

Remove ioutil

Remove ioutil

Signed-off-by: inosato <si17_21@yahoo.co.jp>

add example to skip dns resolve and using proxy

Signed-off-by: Alireza (Ali) Mansoori <amansoori@gmail.com>

HTTP: Add Skip Resolve Phase With Proxy option (#944)

* HTTP: Add Skip Resolve Phase With Proxy option

Signed-off-by: Julien Pivotto <roidelapluie@o11y.eu>
Co-authored-by: Suraj Nath <9503187+electron0zero@users.noreply.github.com>

Print to stdout, not stderr (#928)

Following the change in
https://github.com/prometheus/prometheus/pull/8542 blackbox_exporter
will send all usage out to stdout, not stderr.

Fixes: #912
Signed-off-by: Marcelo E. Magallon <marcelo.magallon@grafana.com>

Merge pull request #930 from prometheus/release-0.21

Merge Release 0.21

Make caser a local varialbe, not a global one.

The cases.Caser returned by calling cases.Title *cannot* be shared among
goroutines. This might happen when Prometheus tries to scrape multiple
targets at the same time. From the docs:

A Caser may be stateful and should therefore not be shared between
goroutines.

Fixes: #922

Signed-off-by: Marcelo E. Magallon <marcelo.magallon@grafana.com>

Release 0.21.1

Signed-off-by: Julien Pivotto <roidelapluie@o11y.eu>

Make caser a local varialbe, not a global one.

The cases.Caser returned by calling cases.Title *cannot* be shared among
goroutines. This might happen when Prometheus tries to scrape multiple
targets at the same time. From the docs:

A Caser may be stateful and should therefore not be shared between
goroutines.

Fixes: #922

Signed-off-by: Marcelo E. Magallon <marcelo.magallon@grafana.com>

Allow TTL to be explicitly set on ICMP packets from icmp prober (#919)

This adds an option to the config file to specify the TTL value. If 0 or not specified, in some cases it defaults to 64 and in other cases it defaults to whatever is configured in the operating system. This matches previous behavior.

Signed-off-by: Francis Tang <francis.tang@gmail.com>

Update common Prometheus files (#926)

Signed-off-by: prombot <prometheus-team@googlegroups.com>

Synchronize common files from prometheus/prometheus (#921)

Release 0.21.0

Signed-off-by: Julien Pivotto <roidelapluie@o11y.eu>

Update yamllint (#916)

* Include upstream yamllint config.
* Fix linting consistency issues.

Signed-off-by: SuperQ <superq@gmail.com>

Blackbox exporter 0.21.0-rc.0

Signed-off-by: Julien Pivotto <roidelapluie@o11y.eu>

add a link to guide "multi-target exporter pattern" (#878)

it helps getting the grasp of the purpose of the relabel_config.

Signed-off-by: Baptiste Mille-Mathias <baptiste.millemathias@gmail.com>

Update builds & dependencies

Signed-off-by: Julien Pivotto <roidelapluie@o11y.eu>

Update common Prometheus files

Signed-off-by: prombot <prometheus-team@googlegroups.com>

Merge pull request #869 from zhdkirill/maxTimeoutSeconds

Negative maxTimeoutSeconds

Update common Prometheus files (#889)

Signed-off-by: prombot <prometheus-team@googlegroups.com>

Rename dns recursion flag to recursion_desired (#900)

Signed-off-by: Nikolay Eskov <mr.eskov1@yandex.ru>

Release 0.20.0 (#895)

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>

gRPC added to README and Configuration (#894)

* added grpc config

added grpc config

Signed-off-by: rshsm <arashsami@live.com>

Merge pull request #887 from prometheus/repo_sync

Synchronize common files from prometheus/prometheus

Update common Prometheus files

Signed-off-by: prombot <prometheus-team@googlegroups.com>

Merge pull request #882 from roidelapluie/clorder

Reorder changelog

Reorder changelog

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>

Release 0.20.0-rc.0 (#881)

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>

Delay init of http phase values (#865)

Don't init http probe phase labels until we're ready to send the
request.

Avoids exposing 0 value samples for things we haven't started to
measure.

Fix http resolve timing to report lookup time even if it's an error
(ie not found).

Fixes: https://github.com/prometheus/blackbox_exporter/issues/579

Signed-off-by: SuperQ <superq@gmail.com>

Improve chooseProtocol logging (#873)

Add `target` and `ip_protocol` fields to the logging in teh
`chooseProtocol()` utility function. This makes debugging output easier.

Signed-off-by: SuperQ <superq@gmail.com>

Merge pull request #876 from bmillemathias/master

Update IRC network in github issue template

Remove outdated IRC and point to community website

Signed-off-by: Baptiste Mille-Mathias <baptiste.millemathias@gmail.com>

Merge pull request #863 from prometheus/superq/fix_ip_hash

Fix IP hash

Merge pull request #871 from prometheus/repo_sync

Synchronize common files from prometheus/prometheus

Update common Prometheus files

Signed-off-by: prombot <prometheus-team@googlegroups.com>

Negative maxTimeoutSeconds

Fixes #868

Signed-off-by: Kirill Zhdanov <kzhdanov@mirantis.com>

Merge pull request #859 from dgl/dns-rd

Add control of recursion desired flag for DNS probes

Merge pull request #864 from prometheus/superq/bump_go

Update Go version

Fixup chooseProtocol test.

Verified this works all the way back to Go 1.13.

Signed-off-by: SuperQ <superq@gmail.com>

Review comments

- Drop "desired"
- Drop go 1.17 compat, will be switched entirely to go 1.17 elsewhere

Signed-off-by: David Leadbeater <dgl@dgl.cx>

Merge pull request #557 from nikonhub/feature-change_default_http_user_agent

Change default user agent

Fix up deprecated grpc.WithInsecure()

Signed-off-by: SuperQ <superq@gmail.com>

Update Go version

* Update Go to 1.17.
* Update Go modules to current releases.

Signed-off-by: SuperQ <superq@gmail.com>

Fix IP hash

Select the correct slice of bytes to hash based on IPv4 or IPv6 address
family.

Signed-off-by: SuperQ <superq@gmail.com>

Add control of recursion desired flag for DNS probes

This defaults recursion desired to on to preserve existing behaviour,
but allows it to be configured.

Signed-off-by: David Leadbeater <dgl@dgl.cx>

Add support for grpc health check (#835)

Signed-off-by: Alessandro Verzicco <8068317+averzicco@users.noreply.github.com>

Add hostname parameter (#823)

* Add hostname parameter

Signed-off-by: anemyte <anemyte@gmail.com>

Update common Prometheus files (#839)

Signed-off-by: prombot <prometheus-team@googlegroups.com>

Update dependencies (#822)

github.com/go-kit/kit/log has been replaced by github.com/go-kit/log.

Signed-off-by: Marcelo E. Magallon <marcelo.magallon@grafana.com>

Fix body_size_limit negative handling (#838)

When body_size_limit is 0 (either explicitly or implicitly because it
wasn't specified) or less, we are setting it to math.MaxInt64. It turns
out that the implementation in http.MaxBytesReader tries to add 1 to the
specified value, and it wraps around. After that, it tries to use the
result to index an slice, causing it to panic.

Work around this by setting the limit to math.MaxInt64 - 1.

Also, if body_size_limit is exactly 0, leave it like that. That causes
the code to avoid setting up the limiter, saving some extra processing.

Signed-off-by: Marcelo E. Magallon <marcelo.magallon@grafana.com>

Add body_size_limit option to http module (#836)

This option limits the maximum body length that will be read from the
HTTP server. It's meant to prevent misconfigured servers from causing
the probe to use too many resources, even if temporarily. It's not an
additional check on the response, for that, use the resulting metrics
(probe_http_content_length, probe_http_uncompressed_body_length, etc).

Co-authored-by: Julien Pivotto <roidelapluie@inuits.eu>

Merge pull request #824 from prometheus/repo_sync

Synchronize common files from prometheus/prometheus