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lib/httpserver: add support for automatic issuing of TLS certificates via Lets Encrypt service

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Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5949
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Aliaksandr Valialkin 2024-04-17 23:38:16 +02:00
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35
README.md
View File

@ -2074,6 +2074,8 @@ requests at this port, by specifying `-tls` and `-mtls` command-line flags. For
By default system-wide [TLS Root CA](https://en.wikipedia.org/wiki/Root_certificate) is used for verifying client certificates if `-mtls` command-line flag is specified.
It is possible to specify custom TLS Root CA via `-mtlsCAFile` command-line flag.
See also [security docs](#security).
## Security
General security recommendations:
@ -2091,7 +2093,9 @@ General security recommendations:
VictoriaMetrics provides the following security-related command-line flags:
* `-tls`, `-tlsCertFile` and `-tlsKeyFile` for switching from HTTP to HTTPS at `-httpListenAddr` (8428 by default).
* `-tls`, `-tlsCertFile` and `-tlsKeyFile` for switching from HTTP to HTTPS at `-httpListenAddr` (TCP port 8428 is listened by default).
[Enterprise version of VictoriaMetrics](https://docs.victoriametrics.com/enterprise/) supports automatic issuing of TLS certificates.
See [these docs](#automatic-issuing-of-tls-certificates).
* `-mtls` and `-mtlsCAFile` for enabling [mTLS](https://en.wikipedia.org/wiki/Mutual_authentication) for requests to `-httpListenAddr`. See [these docs](#mtls-protection).
* `-httpAuth.username` and `-httpAuth.password` for protecting all the HTTP endpoints
with [HTTP Basic Authentication](https://en.wikipedia.org/wiki/Basic_access_authentication).
@ -2114,6 +2118,19 @@ For example, substitute `-graphiteListenAddr=:2003` with `-graphiteListenAddr=<i
See also [security recommendation for VictoriaMetrics cluster](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#security)
and [the general security page at VictoriaMetrics website](https://victoriametrics.com/security/).
## Automatic issuing of TLS certificates
All the VictoriaMetrics [Enterprise](https://docs.victoriametrics.com/enterprise/) components support automatic issuing of TLS certificates for public HTTPS server running at `-httpListenAddr`
via [Let's Encrypt service](https://letsencrypt.org/). The following command-line flags must be set in order to enable automatic issuing of TLS certificates:
- `-httpListenAddr` must be set for listening TCP port `443`. For example, `-httpListenAddr=:443`. This port must be accessible by the [Let's Encrypt service](https://letsencrypt.org/).
- `-tls` must be set in order to accept HTTPS requests at `-httpListenAddr`.
- `-tlsAutocertHosts` must be set to comma-separated list of hosts, which can be reached via `-httpListenAddr`. TLS certificates are automatically issued for these hosts.
- `-tlsAutocertEmail` must be set to contact email for the issued TLS certificates.
- `-tlsAutocertCacheDir` may be set to the directory path for persisting the issued TLS certificates between VictoriaMetrics restarts. If this flag isn't set,
then TLS certificates are re-issued on every restart.
This functionality can be evaluated for free according to [these docs](https://docs.victoriametrics.com/enterprise/).
## Tuning
@ -2827,7 +2844,7 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
-loggerWarnsPerSecondLimit int
Per-second limit on the number of WARN messages. If more than the given number of warns are emitted per second, then the remaining warns are suppressed. Zero values disable the rate limit
-maxConcurrentInserts int
The maximum number of concurrent insert requests. Default value depends on the number of CPU cores and should work for most cases since it minimizes the memory usage. The default value can be increased when clients send data over slow networks. See also -insert.maxQueueDuration
The maximum number of concurrent insert requests. Set higher value when clients send data over slow networks. Default value depends on the number of available CPU cores. It should work fine in most cases since it minimizes resource usage. See also -insert.maxQueueDuration (default 32)
-maxInsertRequestSize size
The maximum size in bytes of a single Prometheus remote_write API request
Supports the following optional suffixes for size values: KB, MB, GB, TB, KiB, MiB, GiB, TiB (default 33554432)
@ -2856,6 +2873,8 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
-newrelic.maxInsertRequestSize size
The maximum size in bytes of a single NewRelic request to /newrelic/infra/v2/metrics/events/bulk
Supports the following optional suffixes for size values: KB, MB, GB, TB, KiB, MiB, GiB, TiB (default 67108864)
-opentelemetry.usePrometheusNaming
Whether to convert metric names and labels into Prometheus-compatible format for the metrics ingested via OpenTelemetry protocol; see https://docs.victoriametrics.com/#sending-data-via-opentelemetry
-opentsdbHTTPListenAddr string
TCP address to listen for OpenTSDB HTTP put requests. Usually :4242 must be set. Doesn't work if empty. See also -opentsdbHTTPListenAddr.useProxyProtocol
-opentsdbHTTPListenAddr.useProxyProtocol
@ -3163,8 +3182,16 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
Whether to enable TLS for incoming HTTP requests at the given -httpListenAddr (aka https). -tlsCertFile and -tlsKeyFile must be set if -tls is set. See also -mtls
Supports array of values separated by comma or specified via multiple flags.
Empty values are set to false.
-tlsAutocertCacheDir string
Directory to store TLS certificates issued via Let's Encrypt. Certificates are lost on restarts if this flag isn't set. This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertEmail string
Contact email for the issued Let's Encrypt TLS certificates. See also -tlsAutocertHosts and -tlsAutocertCacheDir .This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertHosts array
Optional hostnames for automatic issuing of Let's Encrypt TLS certificates. These hostnames must be reachable at -httpListenAddr . The -httpListenAddr must listen tcp port 443 . The -tlsAutocertHosts overrides -tlsCertFile and -tlsKeyFile . See also -tlsAutocertEmail and -tlsAutocertCacheDir . This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCertFile array
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCipherSuites array
@ -3172,7 +3199,7 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsKeyFile array
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsMinVersion array

1
docs/CHANGELOG.md
View File

@ -30,6 +30,7 @@ See also [LTS releases](https://docs.victoriametrics.com/lts-releases/).
## tip
* FEATURE: all VictoriaMetrics [enterprise](https://docs.victoriametrics.com/enterprise/) components: add support for automatic issuing of TLS certificates for HTTPS server at `-httpListenAddr` via [Let's Encrypt service](https://letsencrypt.org/). See [these docs](https://docs.victoriametrics.com/#automatic-issuing-of-tls-certificates) and [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5949).
* FEATURE: [vmagent](https://docs.victoriametrics.com/vmagent/): support [DNS SRV](https://en.wikipedia.org/wiki/SRV_record) addresses in `-remoteWrite.url` command-line option and in scrape target urls. For example, `-remoteWrite.url=http://srv+victoria-metrics/api/v1/write` automatically resolves the `victoria-metrics` DNS SRV to a list of hostnames with TCP ports and then sends the collected metrics to these TCP addresses. See [these docs](https://docs.victoriametrics.com/vmagent/#srv-urls) and [this feature request](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/6053).
* FEATURE: [vmauth](https://docs.victoriametrics.com/vmauth/): support automatic discovering and load balancing for TCP addresses behind DNS SRV addresses. These addresses can be put inside `url_prefix` urls in the form `http://srv+addr/path`, where the `addr` is the [DNS SRV](https://en.wikipedia.org/wiki/SRV_record) address, which is automatically resolved to hostnames with TCP ports. See [these docs](https://docs.victoriametrics.com/vmauth/#srv-urls) for details.
* FEATURE: [vmauth](https://docs.victoriametrics.com/vmauth/): support specifying client TLS certificates and TLS ServerName for requests to HTTPS backends. See [these docs](https://docs.victoriametrics.com/vmauth/#backend-tls-setup).

42
docs/Cluster-VictoriaMetrics.md
View File

@ -1175,7 +1175,7 @@ Below is the output for `/path/to/vminsert -help`:
-loggerWarnsPerSecondLimit int
Per-second limit on the number of WARN messages. If more than the given number of warns are emitted per second, then the remaining warns are suppressed. Zero values disable the rate limit
-maxConcurrentInserts int
The maximum number of concurrent insert requests. Default value depends on the number of CPU cores and should work for most cases since it minimizes the memory usage. The default value can be increased when clients send data over slow networks. See also -insert.maxQueueDuration
The maximum number of concurrent insert requests. Set higher value when clients send data over slow networks. Default value depends on the number of available CPU cores. It should work fine in most cases since it minimizes resource usage. See also -insert.maxQueueDuration (default 32)
-maxInsertRequestSize size
The maximum size in bytes of a single Prometheus remote_write API request
Supports the following optional suffixes for size values: KB, MB, GB, TB, KiB, MiB, GiB, TiB (default 33554432)
@ -1204,6 +1204,8 @@ Below is the output for `/path/to/vminsert -help`:
-newrelic.maxInsertRequestSize size
The maximum size in bytes of a single NewRelic request to /newrelic/infra/v2/metrics/events/bulk
Supports the following optional suffixes for size values: KB, MB, GB, TB, KiB, MiB, GiB, TiB (default 67108864)
-opentelemetry.usePrometheusNaming
Whether to convert metric names and labels into Prometheus-compatible format for the metrics ingested via OpenTelemetry protocol; see https://docs.victoriametrics.com/#sending-data-via-opentelemetry
-opentsdbHTTPListenAddr string
TCP address to listen for OpenTSDB HTTP put requests. Usually :4242 must be set. Doesn't work if empty. See also -opentsdbHTTPListenAddr.useProxyProtocol
-opentsdbHTTPListenAddr.useProxyProtocol
@ -1260,8 +1262,16 @@ Below is the output for `/path/to/vminsert -help`:
Whether to enable TLS for incoming HTTP requests at the given -httpListenAddr (aka https). -tlsCertFile and -tlsKeyFile must be set if -tls is set. See also -mtls
Supports array of values separated by comma or specified via multiple flags.
Empty values are set to false.
-tlsAutocertCacheDir string
Directory to store TLS certificates issued via Let's Encrypt. Certificates are lost on restarts if this flag isn't set. This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertEmail string
Contact email for the issued Let's Encrypt TLS certificates. See also -tlsAutocertHosts and -tlsAutocertCacheDir .This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertHosts array
Optional hostnames for automatic issuing of Let's Encrypt TLS certificates. These hostnames must be reachable at -httpListenAddr . The -httpListenAddr must listen tcp port 443 . The -tlsAutocertHosts overrides -tlsCertFile and -tlsKeyFile . See also -tlsAutocertEmail and -tlsAutocertCacheDir . This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCertFile array
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCipherSuites array
@ -1269,7 +1279,7 @@ Below is the output for `/path/to/vminsert -help`:
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsKeyFile array
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsMinVersion array
@ -1579,8 +1589,16 @@ Below is the output for `/path/to/vmselect -help`:
Whether to enable TLS for incoming HTTP requests at the given -httpListenAddr (aka https). -tlsCertFile and -tlsKeyFile must be set if -tls is set. See also -mtls
Supports array of values separated by comma or specified via multiple flags.
Empty values are set to false.
-tlsAutocertCacheDir string
Directory to store TLS certificates issued via Let's Encrypt. Certificates are lost on restarts if this flag isn't set. This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertEmail string
Contact email for the issued Let's Encrypt TLS certificates. See also -tlsAutocertHosts and -tlsAutocertCacheDir .This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertHosts array
Optional hostnames for automatic issuing of Let's Encrypt TLS certificates. These hostnames must be reachable at -httpListenAddr . The -httpListenAddr must listen tcp port 443 . The -tlsAutocertHosts overrides -tlsCertFile and -tlsKeyFile . See also -tlsAutocertEmail and -tlsAutocertCacheDir . This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCertFile array
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCipherSuites array
@ -1588,7 +1606,7 @@ Below is the output for `/path/to/vmselect -help`:
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsKeyFile array
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsMinVersion array
@ -1735,7 +1753,7 @@ Below is the output for `/path/to/vmstorage -help`:
-loggerWarnsPerSecondLimit int
Per-second limit on the number of WARN messages. If more than the given number of warns are emitted per second, then the remaining warns are suppressed. Zero values disable the rate limit
-maxConcurrentInserts int
The maximum number of concurrent insert requests. Default value depends on the number of CPU cores and should work for most cases since it minimizes the memory usage. The default value can be increased when clients send data over slow networks. See also -insert.maxQueueDuration
The maximum number of concurrent insert requests. Set higher value when clients send data over slow networks. Default value depends on the number of available CPU cores. It should work fine in most cases since it minimizes resource usage. See also -insert.maxQueueDuration (default 32)
-memory.allowedBytes size
Allowed size of system memory VictoriaMetrics caches may occupy. This option overrides -memory.allowedPercent if set to a non-zero value. Too low a value may increase the cache miss rate usually resulting in higher CPU and disk IO usage. Too high a value may evict too much data from the OS page cache resulting in higher disk IO usage
Supports the following optional suffixes for size values: KB, MB, GB, TB, KiB, MiB, GiB, TiB (default 0)
@ -1837,8 +1855,16 @@ Below is the output for `/path/to/vmstorage -help`:
Whether to enable TLS for incoming HTTP requests at the given -httpListenAddr (aka https). -tlsCertFile and -tlsKeyFile must be set if -tls is set. See also -mtls
Supports array of values separated by comma or specified via multiple flags.
Empty values are set to false.
-tlsAutocertCacheDir string
Directory to store TLS certificates issued via Let's Encrypt. Certificates are lost on restarts if this flag isn't set. This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertEmail string
Contact email for the issued Let's Encrypt TLS certificates. See also -tlsAutocertHosts and -tlsAutocertCacheDir .This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertHosts array
Optional hostnames for automatic issuing of Let's Encrypt TLS certificates. These hostnames must be reachable at -httpListenAddr . The -httpListenAddr must listen tcp port 443 . The -tlsAutocertHosts overrides -tlsCertFile and -tlsKeyFile . See also -tlsAutocertEmail and -tlsAutocertCacheDir . This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCertFile array
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCipherSuites array
@ -1846,7 +1872,7 @@ Below is the output for `/path/to/vmstorage -help`:
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsKeyFile array
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsMinVersion array

35
docs/README.md
View File

@ -2077,6 +2077,8 @@ requests at this port, by specifying `-tls` and `-mtls` command-line flags. For
By default system-wide [TLS Root CA](https://en.wikipedia.org/wiki/Root_certificate) is used for verifying client certificates if `-mtls` command-line flag is specified.
It is possible to specify custom TLS Root CA via `-mtlsCAFile` command-line flag.
See also [security docs](#security).
## Security
General security recommendations:
@ -2094,7 +2096,9 @@ General security recommendations:
VictoriaMetrics provides the following security-related command-line flags:
* `-tls`, `-tlsCertFile` and `-tlsKeyFile` for switching from HTTP to HTTPS at `-httpListenAddr` (8428 by default).
* `-tls`, `-tlsCertFile` and `-tlsKeyFile` for switching from HTTP to HTTPS at `-httpListenAddr` (TCP port 8428 is listened by default).
[Enterprise version of VictoriaMetrics](https://docs.victoriametrics.com/enterprise/) supports automatic issuing of TLS certificates.
See [these docs](#automatic-issuing-of-tls-certificates).
* `-mtls` and `-mtlsCAFile` for enabling [mTLS](https://en.wikipedia.org/wiki/Mutual_authentication) for requests to `-httpListenAddr`. See [these docs](#mtls-protection).
* `-httpAuth.username` and `-httpAuth.password` for protecting all the HTTP endpoints
with [HTTP Basic Authentication](https://en.wikipedia.org/wiki/Basic_access_authentication).
@ -2117,6 +2121,19 @@ For example, substitute `-graphiteListenAddr=:2003` with `-graphiteListenAddr=<i
See also [security recommendation for VictoriaMetrics cluster](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#security)
and [the general security page at VictoriaMetrics website](https://victoriametrics.com/security/).
## Automatic issuing of TLS certificates
All the VictoriaMetrics [Enterprise](https://docs.victoriametrics.com/enterprise/) components support automatic issuing of TLS certificates for public HTTPS server running at `-httpListenAddr`
via [Let's Encrypt service](https://letsencrypt.org/). The following command-line flags must be set in order to enable automatic issuing of TLS certificates:
- `-httpListenAddr` must be set for listening TCP port `443`. For example, `-httpListenAddr=:443`. This port must be accessible by the [Let's Encrypt service](https://letsencrypt.org/).
- `-tls` must be set in order to accept HTTPS requests at `-httpListenAddr`.
- `-tlsAutocertHosts` must be set to comma-separated list of hosts, which can be reached via `-httpListenAddr`. TLS certificates are automatically issued for these hosts.
- `-tlsAutocertEmail` must be set to contact email for the issued TLS certificates.
- `-tlsAutocertCacheDir` may be set to the directory path for persisting the issued TLS certificates between VictoriaMetrics restarts. If this flag isn't set,
then TLS certificates are re-issued on every restart.
This functionality can be evaluated for free according to [these docs](https://docs.victoriametrics.com/enterprise/).
## Tuning
@ -2830,7 +2847,7 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
-loggerWarnsPerSecondLimit int
Per-second limit on the number of WARN messages. If more than the given number of warns are emitted per second, then the remaining warns are suppressed. Zero values disable the rate limit
-maxConcurrentInserts int
The maximum number of concurrent insert requests. Default value depends on the number of CPU cores and should work for most cases since it minimizes the memory usage. The default value can be increased when clients send data over slow networks. See also -insert.maxQueueDuration
The maximum number of concurrent insert requests. Set higher value when clients send data over slow networks. Default value depends on the number of available CPU cores. It should work fine in most cases since it minimizes resource usage. See also -insert.maxQueueDuration (default 32)
-maxInsertRequestSize size
The maximum size in bytes of a single Prometheus remote_write API request
Supports the following optional suffixes for size values: KB, MB, GB, TB, KiB, MiB, GiB, TiB (default 33554432)
@ -2859,6 +2876,8 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
-newrelic.maxInsertRequestSize size
The maximum size in bytes of a single NewRelic request to /newrelic/infra/v2/metrics/events/bulk
Supports the following optional suffixes for size values: KB, MB, GB, TB, KiB, MiB, GiB, TiB (default 67108864)
-opentelemetry.usePrometheusNaming
Whether to convert metric names and labels into Prometheus-compatible format for the metrics ingested via OpenTelemetry protocol; see https://docs.victoriametrics.com/#sending-data-via-opentelemetry
-opentsdbHTTPListenAddr string
TCP address to listen for OpenTSDB HTTP put requests. Usually :4242 must be set. Doesn't work if empty. See also -opentsdbHTTPListenAddr.useProxyProtocol
-opentsdbHTTPListenAddr.useProxyProtocol
@ -3166,8 +3185,16 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
Whether to enable TLS for incoming HTTP requests at the given -httpListenAddr (aka https). -tlsCertFile and -tlsKeyFile must be set if -tls is set. See also -mtls
Supports array of values separated by comma or specified via multiple flags.
Empty values are set to false.
-tlsAutocertCacheDir string
Directory to store TLS certificates issued via Let's Encrypt. Certificates are lost on restarts if this flag isn't set. This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertEmail string
Contact email for the issued Let's Encrypt TLS certificates. See also -tlsAutocertHosts and -tlsAutocertCacheDir .This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertHosts array
Optional hostnames for automatic issuing of Let's Encrypt TLS certificates. These hostnames must be reachable at -httpListenAddr . The -httpListenAddr must listen tcp port 443 . The -tlsAutocertHosts overrides -tlsCertFile and -tlsKeyFile . See also -tlsAutocertEmail and -tlsAutocertCacheDir . This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCertFile array
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCipherSuites array
@ -3175,7 +3202,7 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsKeyFile array
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsMinVersion array

35
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@ -2085,6 +2085,8 @@ requests at this port, by specifying `-tls` and `-mtls` command-line flags. For
By default system-wide [TLS Root CA](https://en.wikipedia.org/wiki/Root_certificate) is used for verifying client certificates if `-mtls` command-line flag is specified.
It is possible to specify custom TLS Root CA via `-mtlsCAFile` command-line flag.
See also [security docs](#security).
## Security
General security recommendations:
@ -2102,7 +2104,9 @@ General security recommendations:
VictoriaMetrics provides the following security-related command-line flags:
* `-tls`, `-tlsCertFile` and `-tlsKeyFile` for switching from HTTP to HTTPS at `-httpListenAddr` (8428 by default).
* `-tls`, `-tlsCertFile` and `-tlsKeyFile` for switching from HTTP to HTTPS at `-httpListenAddr` (TCP port 8428 is listened by default).
[Enterprise version of VictoriaMetrics](https://docs.victoriametrics.com/enterprise/) supports automatic issuing of TLS certificates.
See [these docs](#automatic-issuing-of-tls-certificates).
* `-mtls` and `-mtlsCAFile` for enabling [mTLS](https://en.wikipedia.org/wiki/Mutual_authentication) for requests to `-httpListenAddr`. See [these docs](#mtls-protection).
* `-httpAuth.username` and `-httpAuth.password` for protecting all the HTTP endpoints
with [HTTP Basic Authentication](https://en.wikipedia.org/wiki/Basic_access_authentication).
@ -2125,6 +2129,19 @@ For example, substitute `-graphiteListenAddr=:2003` with `-graphiteListenAddr=<i
See also [security recommendation for VictoriaMetrics cluster](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#security)
and [the general security page at VictoriaMetrics website](https://victoriametrics.com/security/).
## Automatic issuing of TLS certificates
All the VictoriaMetrics [Enterprise](https://docs.victoriametrics.com/enterprise/) components support automatic issuing of TLS certificates for public HTTPS server running at `-httpListenAddr`
via [Let's Encrypt service](https://letsencrypt.org/). The following command-line flags must be set in order to enable automatic issuing of TLS certificates:
- `-httpListenAddr` must be set for listening TCP port `443`. For example, `-httpListenAddr=:443`. This port must be accessible by the [Let's Encrypt service](https://letsencrypt.org/).
- `-tls` must be set in order to accept HTTPS requests at `-httpListenAddr`.
- `-tlsAutocertHosts` must be set to comma-separated list of hosts, which can be reached via `-httpListenAddr`. TLS certificates are automatically issued for these hosts.
- `-tlsAutocertEmail` must be set to contact email for the issued TLS certificates.
- `-tlsAutocertCacheDir` may be set to the directory path for persisting the issued TLS certificates between VictoriaMetrics restarts. If this flag isn't set,
then TLS certificates are re-issued on every restart.
This functionality can be evaluated for free according to [these docs](https://docs.victoriametrics.com/enterprise/).
## Tuning
@ -2838,7 +2855,7 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
-loggerWarnsPerSecondLimit int
Per-second limit on the number of WARN messages. If more than the given number of warns are emitted per second, then the remaining warns are suppressed. Zero values disable the rate limit
-maxConcurrentInserts int
The maximum number of concurrent insert requests. Default value depends on the number of CPU cores and should work for most cases since it minimizes the memory usage. The default value can be increased when clients send data over slow networks. See also -insert.maxQueueDuration
The maximum number of concurrent insert requests. Set higher value when clients send data over slow networks. Default value depends on the number of available CPU cores. It should work fine in most cases since it minimizes resource usage. See also -insert.maxQueueDuration (default 32)
-maxInsertRequestSize size
The maximum size in bytes of a single Prometheus remote_write API request
Supports the following optional suffixes for size values: KB, MB, GB, TB, KiB, MiB, GiB, TiB (default 33554432)
@ -2867,6 +2884,8 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
-newrelic.maxInsertRequestSize size
The maximum size in bytes of a single NewRelic request to /newrelic/infra/v2/metrics/events/bulk
Supports the following optional suffixes for size values: KB, MB, GB, TB, KiB, MiB, GiB, TiB (default 67108864)
-opentelemetry.usePrometheusNaming
Whether to convert metric names and labels into Prometheus-compatible format for the metrics ingested via OpenTelemetry protocol; see https://docs.victoriametrics.com/#sending-data-via-opentelemetry
-opentsdbHTTPListenAddr string
TCP address to listen for OpenTSDB HTTP put requests. Usually :4242 must be set. Doesn't work if empty. See also -opentsdbHTTPListenAddr.useProxyProtocol
-opentsdbHTTPListenAddr.useProxyProtocol
@ -3174,8 +3193,16 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
Whether to enable TLS for incoming HTTP requests at the given -httpListenAddr (aka https). -tlsCertFile and -tlsKeyFile must be set if -tls is set. See also -mtls
Supports array of values separated by comma or specified via multiple flags.
Empty values are set to false.
-tlsAutocertCacheDir string
Directory to store TLS certificates issued via Let's Encrypt. Certificates are lost on restarts if this flag isn't set. This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertEmail string
Contact email for the issued Let's Encrypt TLS certificates. See also -tlsAutocertHosts and -tlsAutocertCacheDir .This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertHosts array
Optional hostnames for automatic issuing of Let's Encrypt TLS certificates. These hostnames must be reachable at -httpListenAddr . The -httpListenAddr must listen tcp port 443 . The -tlsAutocertHosts overrides -tlsCertFile and -tlsKeyFile . See also -tlsAutocertEmail and -tlsAutocertCacheDir . This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCertFile array
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCipherSuites array
@ -3183,7 +3210,7 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsKeyFile array
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsMinVersion array

1
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@ -59,6 +59,7 @@ On top of this, Enterprise package of VictoriaMetrics includes the following fea
- [Backup automation](https://docs.victoriametrics.com/vmbackupmanager.html).
- [Advanced per-tenant stats](https://docs.victoriametrics.com/PerTenantStatistic.html).
- [Advanced auth and rate limiter](https://docs.victoriametrics.com/vmgateway.html).
- [Automatic issuing of TLS certificates](https://docs.victoriametrics.com/#automatic-issuing-of-tls-certificates).
- [mTLS for all the VictoriaMetrics components](https://docs.victoriametrics.com/#mtls-protection).
- [mTLS for communications between cluster components](https://docs.victoriametrics.com/Cluster-VictoriaMetrics.html#mtls-protection).
- [mTLS-based request routing](https://docs.victoriametrics.com/vmauth.html#mtls-based-request-routing).

18
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@ -1827,7 +1827,7 @@ See the docs at https://docs.victoriametrics.com/vmagent.html .
-loggerWarnsPerSecondLimit int
Per-second limit on the number of WARN messages. If more than the given number of warns are emitted per second, then the remaining warns are suppressed. Zero values disable the rate limit
-maxConcurrentInserts int
The maximum number of concurrent insert requests. Default value should work for most cases, since it minimizes the memory usage. The default value can be increased when clients send data over slow networks. See also -insert.maxQueueDuration (default 32)
The maximum number of concurrent insert requests. Set higher value when clients send data over slow networks. Default value depends on the number of available CPU cores. It should work fine in most cases since it minimizes resource usage. See also -insert.maxQueueDuration (default 32)
-maxIngestionRate int
The maximum number of samples vmagent can receive per second. Data ingestion is paused when the limit is exceeded. By default there are no limits on samples ingestion rate. See also -remoteWrite.rateLimit
-maxInsertRequestSize size
@ -1854,6 +1854,8 @@ See the docs at https://docs.victoriametrics.com/vmagent.html .
-newrelic.maxInsertRequestSize size
The maximum size in bytes of a single NewRelic request to /newrelic/infra/v2/metrics/events/bulk
Supports the following optional suffixes for size values: KB, MB, GB, TB, KiB, MiB, GiB, TiB (default 67108864)
-opentelemetry.usePrometheusNaming
Whether to convert metric names and labels into Prometheus-compatible format for the metrics ingested via OpenTelemetry protocol; see https://docs.victoriametrics.com/#sending-data-via-opentelemetry
-opentsdbHTTPListenAddr string
TCP address to listen for OpenTSDB HTTP put requests. Usually :4242 must be set. Doesn't work if empty. See also -opentsdbHTTPListenAddr.useProxyProtocol
-opentsdbHTTPListenAddr.useProxyProtocol
@ -2113,7 +2115,7 @@ See the docs at https://docs.victoriametrics.com/vmagent.html .
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-remoteWrite.queues int
The number of concurrent queues to each -remoteWrite.url. Set more queues if default number of queues isn't enough for sending high volume of collected data to remote storage. Default value is 2 * numberOfAvailableCPUs (default 32)
The number of concurrent queues to each -remoteWrite.url. Set more queues if default number of queues isn't enough for sending high volume of collected data to remote storage. Default value depends on the number of available CPU cores. It should work fine in most cases since it minimizes resource usage (default 32)
-remoteWrite.rateLimit array
Optional rate limit in bytes per second for data sent to the corresponding -remoteWrite.url. By default, the rate limit is disabled. It can be useful for limiting load on remote storage when big amounts of buffered data is sent after temporary unavailability of the remote storage. See also -maxIngestionRate (default 0)
Supports array of values separated by comma or specified via multiple flags.
@ -2210,8 +2212,16 @@ See the docs at https://docs.victoriametrics.com/vmagent.html .
Whether to enable TLS for incoming HTTP requests at the given -httpListenAddr (aka https). -tlsCertFile and -tlsKeyFile must be set if -tls is set. See also -mtls
Supports array of values separated by comma or specified via multiple flags.
Empty values are set to false.
-tlsAutocertCacheDir string
Directory to store TLS certificates issued via Let's Encrypt. Certificates are lost on restarts if this flag isn't set. This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertEmail string
Contact email for the issued Let's Encrypt TLS certificates. See also -tlsAutocertHosts and -tlsAutocertCacheDir .This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertHosts array
Optional hostnames for automatic issuing of Let's Encrypt TLS certificates. These hostnames must be reachable at -httpListenAddr . The -httpListenAddr must listen tcp port 443 . The -tlsAutocertHosts overrides -tlsCertFile and -tlsKeyFile . See also -tlsAutocertEmail and -tlsAutocertCacheDir . This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCertFile array
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCipherSuites array
@ -2219,7 +2229,7 @@ See the docs at https://docs.victoriametrics.com/vmagent.html .
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsKeyFile array
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsMinVersion array

12
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@ -1412,8 +1412,16 @@ The shortlist of configuration flags is the following:
Whether to enable TLS for incoming HTTP requests at the given -httpListenAddr (aka https). -tlsCertFile and -tlsKeyFile must be set if -tls is set. See also -mtls
Supports array of values separated by comma or specified via multiple flags.
Empty values are set to false.
-tlsAutocertCacheDir string
Directory to store TLS certificates issued via Let's Encrypt. Certificates are lost on restarts if this flag isn't set. This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertEmail string
Contact email for the issued Let's Encrypt TLS certificates. See also -tlsAutocertHosts and -tlsAutocertCacheDir .This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertHosts array
Optional hostnames for automatic issuing of Let's Encrypt TLS certificates. These hostnames must be reachable at -httpListenAddr . The -httpListenAddr must listen tcp port 443 . The -tlsAutocertHosts overrides -tlsCertFile and -tlsKeyFile . See also -tlsAutocertEmail and -tlsAutocertCacheDir . This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCertFile array
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCipherSuites array
@ -1421,7 +1429,7 @@ The shortlist of configuration flags is the following:
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsKeyFile array
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsMinVersion array

38
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@ -205,6 +205,8 @@ See also [authorization](#authorization) and [routing](#routing) docs.
* `-tlsKeyFile` sets the path to TLS certificate key file
* `-tlsCertFile` sets the path to TLS certificate file
See also [automatic issuing of TLS certificates](#automatic-issuing-of-tls-certificates).
See also [authorization](#authorization), [routing](#routing) and [load balancing](#load-balancing) docs.
### Basic Auth proxy
@ -961,7 +963,7 @@ requests at this port, by specifying `-tls` and `-mtls` command-line flags. For
By default system-wide [TLS Root CA](https://en.wikipedia.org/wiki/Root_certificate) is used for verifying client certificates if `-mtls` command-line flag is specified.
It is possible to specify custom TLS Root CA via `-mtlsCAFile` command-line flag.
See also [mTLS-based request routing](#mtls-based-request-routing).
See also [automatic issuing of TLS certificates](#automatic-issuing-of-tls-certificates) and [mTLS-based request routing](#mtls-based-request-routing).
## Security
@ -978,6 +980,8 @@ Do not transfer Basic Auth headers in plaintext over untrusted networks. Enable
Path to file with TLS key. Used only if -tls is set
```
See also [automatic issuing of TLS certificates](#automatic-issuing-of-tls-certificates).
See [these docs](#mtls-protection) on how to enable [mTLS](https://en.wikipedia.org/wiki/Mutual_authentication) protection at `vmauth`.
Alternatively, [TLS termination proxy](https://en.wikipedia.org/wiki/TLS_termination_proxy) may be put in front of `vmauth`.
@ -990,6 +994,20 @@ It is recommended protecting the following endpoints with authKeys:
`vmauth` also supports the ability to restrict access by IP - see [these docs](#ip-filters). See also [concurrency limiting docs](#concurrency-limiting).
## Automatic issuing of TLS certificates
`vmauth` [Enterprise](https://docs.victoriametrics.com/enterprise/) supports automatic issuing of TLS certificates via [Let's Encrypt service](https://letsencrypt.org/).
The following command-line flags must be set in order to enable automatic issuing of TLS certificates:
- `-httpListenAddr` must be set for listening TCP port `443`. For example, `-httpListenAddr=:443`. This port must be accessible by the [Let's Encrypt service](https://letsencrypt.org/).
- `-tls` must be set in order to accept HTTPS requests at `-httpListenAddr`.
- `-tlsAutocertHosts` must be set to comma-separated list of hosts, which can be reached via `-httpListenAddr`. TLS certificates are automatically issued for these hosts.
- `-tlsAutocertEmail` must be set to contact email for the issued TLS certificates.
- `-tlsAutocertCacheDir` may be set to the directory path for persisting the issued TLS certificates between VictoriaMetrics restarts. If this flag isn't set,
then TLS certificates are re-issued on every restart.
This functionality can be evaluated for free according to [these docs](https://docs.victoriametrics.com/enterprise/).
## Monitoring
`vmauth` exports various metrics in Prometheus exposition format at `http://vmauth-host:8427/metrics` page. It is recommended setting up regular scraping of this page
@ -1114,6 +1132,12 @@ See the docs at https://docs.victoriametrics.com/vmauth.html .
Path to auth config. It can point either to local file or to http url. See https://docs.victoriametrics.com/vmauth.html for details on the format of this auth config
-backend.TLSCAFile string
Optional path to TLS root CA file, which is used for TLS verification when connecting to backends over HTTPS. See https://docs.victoriametrics.com/vmauth.html#backend-tls-setup
-backend.TLSCertFile string
Optional path to TLS client certificate file, which must be sent to HTTPS backend. See https://docs.victoriametrics.com/vmauth.html#backend-tls-setup
-backend.TLSKeyFile string
Optional path to TLS client key file, which must be sent to HTTPS backend. See https://docs.victoriametrics.com/vmauth.html#backend-tls-setup
-backend.TLSServerName string
Optional TLS ServerName, which must be sent to HTTPS backend. See https://docs.victoriametrics.com/vmauth.html#backend-tls-setup
-backend.tlsInsecureSkipVerify
Whether to skip TLS verification when connecting to backends over HTTPS. See https://docs.victoriametrics.com/vmauth.html#backend-tls-setup
-configCheckInterval duration
@ -1267,8 +1291,16 @@ See the docs at https://docs.victoriametrics.com/vmauth.html .
Whether to enable TLS for incoming HTTP requests at the given -httpListenAddr (aka https). -tlsCertFile and -tlsKeyFile must be set if -tls is set. See also -mtls
Supports array of values separated by comma or specified via multiple flags.
Empty values are set to false.
-tlsAutocertCacheDir string
Directory to store TLS certificates issued via Let's Encrypt. Certificates are lost on restarts if this flag isn't set. This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertEmail string
Contact email for the issued Let's Encrypt TLS certificates. See also -tlsAutocertHosts and -tlsAutocertCacheDir .This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertHosts array
Optional hostnames for automatic issuing of Let's Encrypt TLS certificates. These hostnames must be reachable at -httpListenAddr . The -httpListenAddr must listen tcp port 443 . The -tlsAutocertHosts overrides -tlsCertFile and -tlsKeyFile . See also -tlsAutocertEmail and -tlsAutocertCacheDir . This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCertFile array
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCipherSuites array
@ -1276,7 +1308,7 @@ See the docs at https://docs.victoriametrics.com/vmauth.html .
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsKeyFile array
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsMinVersion array

12
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@ -461,8 +461,16 @@ Run `vmbackup -help` in order to see all the available options:
Whether to enable TLS for incoming HTTP requests at the given -httpListenAddr (aka https). -tlsCertFile and -tlsKeyFile must be set if -tls is set. See also -mtls
Supports array of values separated by comma or specified via multiple flags.
Empty values are set to false.
-tlsAutocertCacheDir string
Directory to store TLS certificates issued via Let's Encrypt. Certificates are lost on restarts if this flag isn't set. This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertEmail string
Contact email for the issued Let's Encrypt TLS certificates. See also -tlsAutocertHosts and -tlsAutocertCacheDir .This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertHosts array
Optional hostnames for automatic issuing of Let's Encrypt TLS certificates. These hostnames must be reachable at -httpListenAddr . The -httpListenAddr must listen tcp port 443 . The -tlsAutocertHosts overrides -tlsCertFile and -tlsKeyFile . See also -tlsAutocertEmail and -tlsAutocertCacheDir . This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCertFile array
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCipherSuites array
@ -470,7 +478,7 @@ Run `vmbackup -help` in order to see all the available options:
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsKeyFile array
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsMinVersion array

14
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@ -426,7 +426,7 @@ command-line flags:
-apiURL string
vmbackupmanager address to perform API requests (default "http://127.0.0.1:8300")
-backupInterval duration
Interval between backups. If set to 0 interval is set to 1h if hourly backups are enabled and 24h otherwise (default 0)
Interval between backups. If set to 0 interval is set to 1h if hourly backups are enabled and 24h otherwise
-concurrency int
The number of concurrent workers. Higher concurrency may reduce backup duration (default 10)
-configFilePath string
@ -587,8 +587,16 @@ command-line flags:
Whether to enable TLS for incoming HTTP requests at the given -httpListenAddr (aka https). -tlsCertFile and -tlsKeyFile must be set if -tls is set. See also -mtls
Supports array of values separated by comma or specified via multiple flags.
Empty values are set to false.
-tlsAutocertCacheDir string
Directory to store TLS certificates issued via Let's Encrypt. Certificates are lost on restarts if this flag isn't set. This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertEmail string
Contact email for the issued Let's Encrypt TLS certificates. See also -tlsAutocertHosts and -tlsAutocertCacheDir .This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertHosts array
Optional hostnames for automatic issuing of Let's Encrypt TLS certificates. These hostnames must be reachable at -httpListenAddr . The -httpListenAddr must listen tcp port 443 . The -tlsAutocertHosts overrides -tlsCertFile and -tlsKeyFile . See also -tlsAutocertEmail and -tlsAutocertCacheDir . This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCertFile array
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCipherSuites array
@ -596,7 +604,7 @@ command-line flags:
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsKeyFile array
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsMinVersion array

14
docs/vmgateway.md
View File

@ -313,7 +313,7 @@ Below is the list of configuration flags (it can be viewed by running `./vmgatew
-datasource.headers string
Optional HTTP extraHeaders to send with each request to the corresponding -datasource.url. For example, -datasource.headers='My-Auth:foobar' would send 'My-Auth: foobar' HTTP header with every request to the corresponding -datasource.url. Multiple headers must be delimited by '^^': -datasource.headers='header1:value1^^header2:value2'
-datasource.lookback duration
Will be deprecated soon, please adjust "-search.latencyOffset" at datasource side or specify "latency_offset" in rule group's params. Lookback defines how far into the past to look when evaluating queries. For example, if the datasource.lookback=5m then param "time" with value now()-5m will be added to every query.
Deprecated: please adjust "-search.latencyOffset" at datasource side or specify "latency_offset" in rule group's params. Lookback defines how far into the past to look when evaluating queries. For example, if the datasource.lookback=5m then param "time" with value now()-5m will be added to every query.
-datasource.maxIdleConnections int
Defines the number of idle (keep-alive connections) to each configured datasource. Consider setting this value equal to the value: groups_total * group.concurrency. Too low a value may result in a high number of sockets in TIME_WAIT state. (default 100)
-datasource.oauth2.clientID string
@ -485,8 +485,16 @@ Below is the list of configuration flags (it can be viewed by running `./vmgatew
Whether to enable TLS for incoming HTTP requests at the given -httpListenAddr (aka https). -tlsCertFile and -tlsKeyFile must be set if -tls is set. See also -mtls
Supports array of values separated by comma or specified via multiple flags.
Empty values are set to false.
-tlsAutocertCacheDir string
Directory to store TLS certificates issued via Let's Encrypt. Certificates are lost on restarts if this flag isn't set. This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertEmail string
Contact email for the issued Let's Encrypt TLS certificates. See also -tlsAutocertHosts and -tlsAutocertCacheDir .This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertHosts array
Optional hostnames for automatic issuing of Let's Encrypt TLS certificates. These hostnames must be reachable at -httpListenAddr . The -httpListenAddr must listen tcp port 443 . The -tlsAutocertHosts overrides -tlsCertFile and -tlsKeyFile . See also -tlsAutocertEmail and -tlsAutocertCacheDir . This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCertFile array
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCipherSuites array
@ -494,7 +502,7 @@ Below is the list of configuration flags (it can be viewed by running `./vmgatew
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsKeyFile array
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsMinVersion array

12
docs/vmrestore.md
View File

@ -231,8 +231,16 @@ i.e. the end result would be similar to [rsync --delete](https://askubuntu.com/q
Whether to enable TLS for incoming HTTP requests at the given -httpListenAddr (aka https). -tlsCertFile and -tlsKeyFile must be set if -tls is set. See also -mtls
Supports array of values separated by comma or specified via multiple flags.
Empty values are set to false.
-tlsAutocertCacheDir string
Directory to store TLS certificates issued via Let's Encrypt. Certificates are lost on restarts if this flag isn't set. This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertEmail string
Contact email for the issued Let's Encrypt TLS certificates. See also -tlsAutocertHosts and -tlsAutocertCacheDir .This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
-tlsAutocertHosts array
Optional hostnames for automatic issuing of Let's Encrypt TLS certificates. These hostnames must be reachable at -httpListenAddr . The -httpListenAddr must listen tcp port 443 . The -tlsAutocertHosts overrides -tlsCertFile and -tlsKeyFile . See also -tlsAutocertEmail and -tlsAutocertCacheDir . This flag is available only in Enterprise binaries. See https://docs.victoriametrics.com/enterprise/
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCertFile array
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsCipherSuites array
@ -240,7 +248,7 @@ i.e. the end result would be similar to [rsync --delete](https://askubuntu.com/q
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsKeyFile array
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated
Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. The provided key file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts
Supports an array of values separated by comma or specified via multiple flags.
Value can contain comma inside single-quoted or double-quoted string, {}, [] and () braces.
-tlsMinVersion array

5
lib/httpserver/httpserver.go
View File

@ -34,9 +34,10 @@ var (
tlsEnable = flagutil.NewArrayBool("tls", "Whether to enable TLS for incoming HTTP requests at the given -httpListenAddr (aka https). -tlsCertFile and -tlsKeyFile must be set if -tls is set. "+
"See also -mtls")
tlsCertFile = flagutil.NewArrayString("tlsCertFile", "Path to file with TLS certificate for the corresponding -httpListenAddr if -tls is set. "+
"Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated")
"Prefer ECDSA certs instead of RSA certs as RSA certs are slower. The provided certificate file is automatically re-read every second, so it can be dynamically updated. "+
"See also -tlsAutocertHosts")
tlsKeyFile = flagutil.NewArrayString("tlsKeyFile", "Path to file with TLS key for the corresponding -httpListenAddr if -tls is set. "+
"The provided key file is automatically re-read every second, so it can be dynamically updated")
"The provided key file is automatically re-read every second, so it can be dynamically updated. See also -tlsAutocertHosts")
tlsCipherSuites = flagutil.NewArrayString("tlsCipherSuites", "Optional list of TLS cipher suites for incoming requests over HTTPS if -tls is set. See the list of supported cipher suites at https://pkg.go.dev/crypto/tls#pkg-constants")
tlsMinVersion = flagutil.NewArrayString("tlsMinVersion", "Optional minimum TLS version to use for the corresponding -httpListenAddr if -tls is set. "+
"Supported values: TLS10, TLS11, TLS12, TLS13")