consul模板配置参数值示例
参看https://github.com/hashicorp/consul-template#examples
// This is the address of the Consul agent. By default, this is 127.0.0.1:8500,
// which is the default bind and port for a local Consul agent. It is not
// recommended that you communicate directly with a Consul server, and instead
// communicate with the local Consul agent. There are many reasons for this,
// most importantly the Consul agent is able to multiplex connections to the
// Consul server and reduce the number of open HTTP connections. Additionally,
// it provides a "well-known" IP address for which clients can connect.
consul = "127.0.0.1:8500"
// This is the ACL token to use when connecting to Consul. If you did not
// enable ACLs on your Consul cluster, you do not need to set this option.
//
// This option is also available via the environment variable CONSUL_TOKEN.
token = "abcd1234"
// This is the amount of time to wait before retrying a connection to Consul.
// Consul Template is highly fault tolerant, meaning it does not exit in the
// face of failure. Instead, it uses exponential back-off and retry functions to
// wait for the cluster to become available, as is customary in distributed
// systems.
retry = "10s"
// This is the maximum interval to allow "stale" data. By default, only the
// Consul leader will respond to queries; any requests to a follower will
// forward to the leader. In large clusters with many requests, this is not as
// scalable, so this option allows any follower to respond to a query, so long
// as the last-replicated data is within these bounds. Higher values result in
// less cluster load, but are more likely to have outdated data.
max_stale = "10m"
// This is the log level. If you find a bug in Consul Template, please enable
// debug logs so we can help identify the issue. This is also available as a
// command line flag.
log_level = "warn"
// This is the path to store a PID file which will contain the process ID of the
// Consul Template process. This is useful if you plan to send custom signals
// to the process.
pid_file = "/path/to/pid"
// This is the quiescence timers; it defines the minimum and maximum amount of
// time to wait for the cluster to reach a consistent state before rendering a
// template. This is useful to enable in systems that have a lot of flapping,
// because it will reduce the the number of times a template is rendered.
wait = "5s:10s"
// This denotes the start of the configuration section for Vault. All values
// contained in this section pertain to Vault.
vault {
// This is the address of the Vault leader. The protocol (http(s)) portion
// of the address is required.
address = "https://vault.service.consul:8200"
// This is the token to use when communicating with the Vault server.
// Like other tools that integrate with Vault, Consul Template makes the
// assumption that you provide it with a Vault token; it does not have the
// incorporated logic to generate tokens via Vault's auth methods.
//
// This value can also be specified via the environment variable VAULT_TOKEN.
token = "abcd1234"
// This option tells Consul Template to automatically renew the Vault token
// given. If you are unfamiliar with Vault's architecture, Vault requires
// tokens be renewed at some regular interval or they will be revoked. Consul
// Template will automatically renew the token at half the lease duration of
// the token. The default value is true, but this option can be disabled if
// you want to renew the Vault token using an out-of-band process.
//
// Note that secrets specified in a template (using {{secret}} for example)
// are always renewed, even if this option is set to false. This option only
// applies to the top-level Vault token itself.
renew = true
// This section details the SSL options for connecting to the Vault server.
// Please see the SSL options below for more information (they are the same).
ssl {
// ...
}
}
// This block specifies the basic authentication information to pass with the
// request. For more information on authentication, please see the Consul
// documentation.
auth {
enabled = true
username = "test"
password = "test"
}
// This block configures the SSL options for connecting to the Consul server.
ssl {
// This enables SSL. Specifying any option for SSL will also enable it.
enabled = true
// This enables SSL peer verification. The default value is "true", which
// will check the global CA chain to make sure the given certificates are
// valid. If you are using a self-signed certificate that you have not added
// to the CA chain, you may want to disable SSL verification. However, please
// understand this is a potential security vulnerability.
verify = false
// This is the path to the certificate to use to authenticate. If just a
// certificate is provided, it is assumed to contain both the certificate and
// the key to convert to an X509 certificate. If both the certificate and
// key are specified, Consul Template will automatically combine them into an
// X509 certificate for you.
cert = "/path/to/client/cert"
key = "/path/to/client/key"
// This is the path to the certificate authority to use as a CA. This is
// useful for self-signed certificates or for organizations using their own
// internal certificate authority.
ca_cert = "/path/to/ca"
}
// This block defines the configuration for connecting to a syslog server for
// logging.
syslog {
// This enables syslog logging. Specifying any other option also enables
// syslog logging.
enabled = true
// This is the name of the syslog facility to log to.
facility = "LOCAL5"
}
// This block defines the configuration for de-duplication mode. Please see the
// de-duplication mode documentation later in the README for more information
// on how de-duplication mode operates.
deduplicate {
// This enables de-duplication mode. Specifying any other options also enables
// de-duplication mode.
enabled = true
// This is the prefix to the path in Consul's KV store where de-duplication
// templates will be pre-rendered and stored.
prefix = "consul-template/dedup/"
}
// This block defines the configuration for a template. Unlike other blocks,
// this block may be specified multiple times to configure multiple templates.
// It is also possible to configure templates via the CLI directly.
template {
// This is the source file on disk to use as the input template. This is often
// called the "Consul Template template". This option is required.
source = "/path/on/disk/to/template.ctmpl"
// This is the destination path on disk where the source template will render.
// If the parent directories do not exist, Consul Template will attempt to
// create them.
destination = "/path/on/disk/where/template/will/render.txt"
// This is the optional command to run when the template is rendered. The
// command will only run if the resulting template changes. The command must
// return within 30s (configurable), and it must have a successful exit code.
// Consul Template is not a replacement for a process monitor or init system.
command = "restart service foo"
// This is the maximum amount of time to wait for the optional command to
// return. Default is 30s.
command_timeout = "60s"
// This is the permission to render the file. If this option is left
// unspecified, Consul Template will attempt to match the permissions of the
// file that already exists at the destination path. If no file exists at that
// path, the permissions are 0644.
perms = 0600
// This option backs up the previously rendered template at the destination
// path before writing a new one. It keeps exactly one backup. This option is
// useful for preventing accidental changes to the data without having a
// rollback strategy.
backup = true
// These are the delimiters to use in the template. The default is "{{" and
// "}}", but for some templates, it may be easier to use a different delimiter
// that does not conflict with the output file itself.
left_delimiter = "{{"
right_delimiter = "}}"
// This is the minimum(:maximum)
to wait before rendering a new template to
// disk and triggering a command, separated by a colon (:
). If the optional
// maximum value is omitted, it is assumed to be 4x the required minimum value.
// This is a numeric time with a unit suffix ("5s"). There is no default value.
// The wait value for a template takes precedence over any globally-configured
// wait.
wait = "2s:6s"
}
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