Commit Graph

185 Commits

Author SHA1 Message Date
javicrespo d4f3eebf9d log rotation: limit count of rotated log files (#5831) 2019-07-19 15:36:34 -06:00
Hans Hasselberg 73c4e9f07c
tls: auto_encrypt enables automatic RPC cert provisioning for consul clients (#5597) 2019-06-27 22:22:07 +02:00
Akshay Ganeshen 93b8a4e8d8 dns: support alt domains for dns resolution (#5940)
this adds an option for an alt domain to be used with dns while migrating to a new consul domain.
2019-06-27 12:00:37 +02:00
Sarah Christoff e946ed9427
ui: modify content path (#5950)
* Add ui-content-path flag

* tests complete, regex validator on string, index.html updated

* cleaning up debugging stuff

* ui: Enable ember environment configuration to be set via the go binary at runtime (#5934)

* ui: Only inject {{.ContentPath}} if we are makeing a prod build...

...otherwise we just use the current rootURL

This gets injected into a <base /> node which solves the assets path
problem but not the ember problem

* ui: Pull out the <base href=""> value and inject it into ember env

See previous commit:

The <base href=""> value is 'sometimes' injected from go at index
serve time. We pass this value down to ember by overwriting the ember
config that is injected via a <meta> tag. This has to be done before
ember bootup.

Sometimes (during testing and development, basically not production)
this is injected with the already existing value, in which case this
essentially changes nothing.

The code here is slightly abstracted away from our specific usage to
make it easier for anyone else to use, and also make sure we can cope
with using this same method to pass variables down from the CLI through
to ember in the future.

* ui: We can't use <base /> move everything to javascript (#5941)

Unfortuantely we can't seem to be able to use <base> and rootURL
together as URL paths will get doubled up (`ui/ui/`).

This moves all the things that we need to interpolate with .ContentPath
to the `startup` javascript so we can conditionally print out
`{{.ContentPath}}` in lots of places (now we can't use base)

* fixed when we serve index.html

* ui: For writing a ContentPath, we also need to cope with testing... (#5945)

...and potentially more environments

Testing has more additional things in a separate index.html in `tests/`

This make the entire thing a little saner and uses just javascriopt
template literals instead of a pseudo handbrake synatx for our
templating of these files.

Intead of just templating the entire file this way, we still only
template `{{content-for 'head'}}` and `{{content-for 'body'}}`
in this way to ensure we support other plugins/addons

* build: Loosen up the regex for retrieving the CONSUL_VERSION (#5946)

* build: Loosen up the regex for retrieving the CONSUL_VERSION

1. Previously the `sed` replacement was searching for the CONSUL_VERSION
comment at the start of a line, it no longer does this to allow for
indentation.
2. Both `grep` and `sed` where looking for the omment at the end of the
line. We've removed this restriction here. We don't need to remove it
right now, but if we ever put the comment followed by something here the
searching would break.
3. Added `xargs` for trimming the resulting version string. We aren't
using this already in the rest of the scripts, but we are pretty sure
this is available on most systems.

* ui: Fix erroneous variable, and also force an ember cache clean on build

1. We referenced a variable incorrectly here, this fixes that.
2. We also made sure that every `make` target clears ember's `tmp` cache
to ensure that its not using any caches that have since been edited
everytime we call a `make` target.

* added docs, fixed encoding

* fixed go fmt

* Update agent/config/config.go

Co-Authored-By: R.B. Boyer <public@richardboyer.net>

* Completed Suggestions

* run gofmt on http.go

* fix testsanitize

* fix fullconfig/hcl by setting correct 'want'

* ran gofmt on agent/config/runtime_test.go

* Update website/source/docs/agent/options.html.md

Co-Authored-By: Hans Hasselberg <me@hans.io>

* Update website/source/docs/agent/options.html.md

Co-Authored-By: kaitlincarter-hc <43049322+kaitlincarter-hc@users.noreply.github.com>

* remove contentpath from redirectFS struct
2019-06-26 11:43:30 -05:00
Pierre Souchay e394a9469b Support for maximum size for Output of checks (#5233)
* Support for maximum size for Output of checks

This PR allows users to limit the size of output produced by checks at the agent 
and check level.

When set at the agent level, it will limit the output for all checks monitored
by the agent.

When set at the check level, it can override the agent max for a specific check but
only if it is lower than the agent max.

Default value is 4k, and input must be at least 1.
2019-06-26 09:43:25 -06:00
R.B. Boyer 9542fdc9bc acl: adding Roles to Tokens (#5514)
Roles are named and can express the same bundle of permissions that can
currently be assigned to a Token (lists of Policies and Service
Identities). The difference with a Role is that it not itself a bearer
token, but just another entity that can be tied to a Token.

This lets an operator potentially curate a set of smaller reusable
Policies and compose them together into reusable Roles, rather than
always exploding that same list of Policies on any Token that needs
similar permissions.

This also refactors the acl replication code to be semi-generic to avoid
3x copypasta.
2019-04-26 14:49:12 -05:00
Matt Keeler 3ea9fe3bff
Implement bootstrapping proxy defaults from the config file (#5714) 2019-04-26 14:25:03 -04:00
Kyle Havlovitz a113d8ca1f Test an index=0 value in cache.Notify 2019-04-25 02:11:07 -07:00
Kyle Havlovitz 1fc96c770b Make central service config opt-in and rework the initial registration 2019-04-24 06:11:08 -07:00
R.B. Boyer 5b1f66f818 agent: ensure the TLS hostname verification knows about the currently configured domain (#5513) 2019-03-19 22:35:19 +01:00
Hans Hasselberg d511e86491
agent: enable reloading of tls config (#5419)
This PR introduces reloading tls configuration. Consul will now be able to reload the TLS configuration which previously required a restart. It is not yet possible to turn TLS ON or OFF with these changes. Only when TLS is already turned on, the configuration can be reloaded. Most importantly the certificates and CAs.
2019-03-13 10:29:06 +01:00
R.B. Boyer 91e78e00c7
fix typos reported by golangci-lint:misspell (#5434) 2019-03-06 11:13:28 -06:00
Matt Keeler 0c76a4389f
ACL Token Persistence and Reloading (#5328)
This PR adds two features which will be useful for operators when ACLs are in use.

1. Tokens set in configuration files are now reloadable.
2. If `acl.enable_token_persistence` is set to `true` in the configuration, tokens set via the `v1/agent/token` endpoint are now persisted to disk and loaded when the agent starts (or during configuration reload)

Note that token persistence is opt-in so our users who do not want tokens on the local disk will see no change.

Some other secondary changes:

* Refactored a bunch of places where the replication token is retrieved from the token store. This token isn't just for replicating ACLs and now it is named accordingly.
* Allowed better paths in the `v1/agent/token/` API. Instead of paths like: `v1/agent/token/acl_replication_token` the path can now be just `v1/agent/token/replication`. The old paths remain to be valid. 
* Added a couple new API functions to set tokens via the new paths. Deprecated the old ones and pointed to the new names. The names are also generally better and don't imply that what you are setting is for ACLs but rather are setting ACL tokens. There is a minor semantic difference there especially for the replication token as again, its no longer used only for ACL token/policy replication. The new functions will detect 404s and fallback to using the older token paths when talking to pre-1.4.3 agents.
* Docs updated to reflect the API additions and to show using the new endpoints.
* Updated the ACL CLI set-agent-tokens command to use the non-deprecated APIs.
2019-02-27 14:28:31 -05:00
Hans Hasselberg 75ababb54f
Centralise tls configuration part 1 (#5366)
In order to be able to reload the TLS configuration, we need one way to generate the different configurations.

This PR introduces a `tlsutil.Configurator` which holds a `tlsutil.Config`. Afterwards it is responsible for rendering every `tls.Config`. In this particular PR I moved `IncomingHTTPSConfig`, `IncomingTLSConfig`, and `OutgoingTLSWrapper` into `tlsutil.Configurator`.

This PR is a pure refactoring - not a single feature added. And not a single test added. I only slightly modified existing tests as necessary.
2019-02-26 16:52:07 +01:00
Aestek f8a28d13dd Allow DNS interface to use agent cache (#5300)
Adds two new configuration parameters "dns_config.use_cache" and
"dns_config.cache_max_age" controlling how DNS requests use the agent
cache when querying servers.
2019-02-25 14:06:01 -05:00
Aestek 154c41e165 [Security] Allow blocking Write endpoints on Agent using Network Addresses (#4719)
* Add -write-allowed-nets option

* Add documentation for the new write_allowed_nets option
2019-01-10 09:27:26 -05:00
Paul Banks c4fa66b4c9
connect: agent leaf cert caching improvements (#5091)
* Add State storage and LastResult argument into Cache so that cache.Types can safely store additional data that is eventually expired.

* New Leaf cache type working and basic tests passing. TODO: more extensive testing for the Root change jitter across blocking requests, test concurrent fetches for different leaves interact nicely with rootsWatcher.

* Add multi-client and delayed rotation tests.

* Typos and cleanup error handling in roots watch

* Add comment about how the FetchResult can be used and change ca leaf state to use a non-pointer state.

* Plumb test override of root CA jitter through TestAgent so that tests are deterministic again!

* Fix failing config test
2019-01-10 12:46:11 +00:00
Matt Keeler 99e0a124cb
New ACLs (#4791)
This PR is almost a complete rewrite of the ACL system within Consul. It brings the features more in line with other HashiCorp products. Obviously there is quite a bit left to do here but most of it is related docs, testing and finishing the last few commands in the CLI. I will update the PR description and check off the todos as I finish them over the next few days/week.
Description

At a high level this PR is mainly to split ACL tokens from Policies and to split the concepts of Authorization from Identities. A lot of this PR is mostly just to support CRUD operations on ACLTokens and ACLPolicies. These in and of themselves are not particularly interesting. The bigger conceptual changes are in how tokens get resolved, how backwards compatibility is handled and the separation of policy from identity which could lead the way to allowing for alternative identity providers.

On the surface and with a new cluster the ACL system will look very similar to that of Nomads. Both have tokens and policies. Both have local tokens. The ACL management APIs for both are very similar. I even ripped off Nomad's ACL bootstrap resetting procedure. There are a few key differences though.

    Nomad requires token and policy replication where Consul only requires policy replication with token replication being opt-in. In Consul local tokens only work with token replication being enabled though.
    All policies in Nomad are globally applicable. In Consul all policies are stored and replicated globally but can be scoped to a subset of the datacenters. This allows for more granular access management.
    Unlike Nomad, Consul has legacy baggage in the form of the original ACL system. The ramifications of this are:
        A server running the new system must still support other clients using the legacy system.
        A client running the new system must be able to use the legacy RPCs when the servers in its datacenter are running the legacy system.
        The primary ACL DC's servers running in legacy mode needs to be a gate that keeps everything else in the entire multi-DC cluster running in legacy mode.

So not only does this PR implement the new ACL system but has a legacy mode built in for when the cluster isn't ready for new ACLs. Also detecting that new ACLs can be used is automatic and requires no configuration on the part of administrators. This process is detailed more in the "Transitioning from Legacy to New ACL Mode" section below.
2018-10-19 12:04:07 -04:00
Kyle Havlovitz 96a35f8abc re-add Connect multi-dc config changes
This reverts commit 8bcfbaffb6588b024cd1a3cf0952e6bfa7d9e900.
2018-10-19 08:41:03 -07:00
Jack Pearkes 847a0a5266 Revert "Connect multi-dc config" (#4784) 2018-10-11 17:32:45 +01:00
Aestek 260a9880ae [Security] Add finer control over script checks (#4715)
* Add -enable-local-script-checks options

These options allow for a finer control over when script checks are enabled by
giving the option to only allow them when they are declared from the local
file system.

* Add documentation for the new option

* Nitpick doc wording
2018-10-11 13:22:11 +01:00
Pierre Souchay 42f250fa53 Added SOA configuration for DNS settings. (#4714)
This will allow to fine TUNE SOA settings sent by Consul in DNS responses,
for instance to be able to control negative ttl.

Will fix: https://github.com/hashicorp/consul/issues/4713

# Example

Override all settings:

* min_ttl: 0 => 60s
* retry: 600 (10m) => 300s (5 minutes),
* expire: 86400 (24h) => 43200 (12h)
* refresh: 3600 (1h) => 1800 (30 minutes)

```
consul agent -dev -hcl 'dns_config={soa={min_ttl=60,retry=300,expire=43200,refresh=1800}}'
```

Result:
```
dig +multiline @localhost -p 8600 service.consul

; <<>> DiG 9.12.1 <<>> +multiline @localhost -p 8600 service.consul
; (2 servers found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36557
;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;service.consul.		IN A

;; AUTHORITY SECTION:
consul.			0 IN SOA ns.consul. hostmaster.consul. (
				1537959133 ; serial
				1800       ; refresh (30 minutes)
				300        ; retry (5 minutes)
				43200      ; expire (12 hours)
				60         ; minimum (1 minute)
				)

;; Query time: 4 msec
;; SERVER: 127.0.0.1#8600(127.0.0.1)
;; WHEN: Wed Sep 26 12:52:13 CEST 2018
;; MSG SIZE  rcvd: 93
```
2018-10-10 15:50:56 -04:00
Kyle Havlovitz 5b98a602af agent: add primary_datacenter and connect replication config options 2018-10-10 12:17:59 -07:00
Paul Banks 0523efa2fe merge feedback: fix typos; actually use deliverLatest added previously but not plumbed in 2018-10-10 16:55:34 +01:00
Paul Banks cba42d6790 XDS Server Config (#4730)
* Config for the coming XDS server

* Default gRPC to 8502 for -dev mode; Re-merge the command Info output that shows gRPC.
2018-10-10 16:55:34 +01:00
Paul Banks 7038fe6b71 Add SidecarService Syntax sugar to Service Definition (#4686)
* Added new Config for SidecarService in ServiceDefinitions.

* WIP: all the code needed for SidecarService is written... none of it is tested other than config :). Need API updates too.

* Test coverage for the new sidecarServiceFromNodeService method.

* Test API registratrion with SidecarService

* Recursive Key Translation 🤦

* Add tests for nested sidecar defintion arrays to ensure they are translated correctly

* Use dedicated internal state rather than Service Meta for tracking sidecars for deregistration.

Add tests for deregistration.

* API struct for agent register. No other endpoint should be affected yet.

* Additional test cases to cover updates to API registrations
2018-10-10 16:55:34 +01:00
Igal Shprincis 321556dd22 watch: don't set TLSConfig.Address explicitly (#4727)
Don't set the value of TLSConfig.Address explicitly.

This will make sure env vars like CONSUL_TLS_SERVER_NAME are taken into account for the connection. Fixes #4718.
2018-10-08 22:01:17 +02:00
Siva Prasad 59dea9a31f
Adds a new command line flag -log-file for file based logging. (#4581)
* Added log-file flag to capture Consul logs in a user specified file

* Refactored code.

* Refactored code. Added flags to rotate logs based on bytes and duration

* Added the flags for log file and log rotation on the webpage

* Fixed TestSantize from failing due to the addition of 3 flags

* Introduced changes : mutex, data-dir log writes, rotation logic

* Added test for logfile and updated the default log destination for docs

* Log name now uses UnixNano

* TestLogFile is now uses t.Parallel()

* Removed unnecessary int64Val function

* Updated docs to reflect default log name for log-file

* No longer writes to data-dir and adds .log if the filename has no extension
2018-08-29 16:56:58 -04:00
Matt Keeler 5c7c58ed26
Gossip tuneables (#4444)
Expose a few gossip tuneables for both lan and wan interfaces

gossip_nodes
gossip_interval
probe_timeout
probe_interval
retransmit_mult
suspicion_mult
2018-07-26 11:39:49 -04:00
Paul Banks 25628f0e69
Add config option to disable HTTP printable char path check (#4442) 2018-07-26 13:53:39 +01:00
Paul Banks feeea60dea
Ooops that was meant to be to a branch no master... EMORECOFFEE
Revert "Add config option to disable HTTP printable char path check"

This reverts commit eebe45a47b4df5c0271b17f0fd1bd85db8bdefca.
2018-07-25 15:54:11 +01:00
Paul Banks d6c16dd0ad
Add config option to disable HTTP printable char path check 2018-07-25 15:52:37 +01:00
Matt Keeler 9f8991e0cc Fix issue with choosing a client addr that is 0.0.0.0 or :: 2018-07-16 16:30:15 -04:00
Matt Keeler 0a365b1a4f
Merge pull request #4374 from hashicorp/feature/proxy-env-vars
Setup managed proxy environment with API client env vars
2018-07-12 09:13:54 -04:00
Matt Keeler eccadda019 Set api.Config’s InsecureSkipVerify to the value of !RuntimeConfig.VerifyOutgoing 2018-07-12 07:49:23 -04:00
Matt Keeler 240e2affcd Use type switch instead of .Network for more reliably detecting UnixAddrs 2018-07-12 07:30:17 -04:00
Matt Keeler 09ff064bc7 Look specifically for tcp instead of unix
Add runtime -> api.Config tests
2018-07-11 17:25:36 -04:00
Matt Keeler 1e5e9fd8cd PR Updates
Proxy now doesn’t need to know anything about the api as we pass env vars to it instead of the api config.
2018-07-11 09:44:54 -04:00
Matt Keeler 358e6c8f6a Pass around an API Config object and convert to env vars for the managed proxy 2018-07-10 12:13:51 -04:00
Pierre Souchay 382bec0897 Added async-cache with similar behaviour as extend-cache but asynchronously 2018-07-01 23:50:30 +02:00
mkeeler 1da3c42867 Merge remote-tracking branch 'connect/f-connect' 2018-06-25 19:42:51 +00:00
Paul Banks ca68136ac7 Refactor to use embedded struct. 2018-06-25 12:25:39 -07:00
Paul Banks 6deadef6bd Revert telemetry config changes ready for cleaner approach 2018-06-25 12:25:39 -07:00
Paul Banks ced9b2bee4 Expose telemetry config from RuntimeConfig to proxy config endpoint 2018-06-25 12:25:38 -07:00
Paul Banks 2df422e1e5 Disable TestAgent proxy execution properly 2018-06-25 12:25:38 -07:00
Mitchell Hashimoto a8ec3064f5 agent/config: AllowManagedAPIRegistration 2018-06-25 12:25:11 -07:00
Mitchell Hashimoto a7690301f9 agent/config: add AllowManagedRoot 2018-06-25 12:25:11 -07:00
Paul Banks 6c77f7883e Misc comment cleanups 2018-06-25 12:24:16 -07:00
Paul Banks 3bac52480e Abandon daemonize for simpler solution (preserving history):
Reverts:
  - bdb274852ae469c89092d6050697c0ff97178465
  - 2c689179c4f61c11f0016214c0fc127a0b813bfe
  - d62e25c4a7ab753914b6baccd66f88ffd10949a3
  - c727ffbcc98e3e0bf41e1a7bdd40169bd2d22191
  - 31b4d18933fd0acbe157e28d03ad59c2abf9a1fb
  - 85c3f8df3eabc00f490cd392213c3b928a85aa44
2018-06-25 12:24:10 -07:00
Paul Banks 9cea27c66e Sanity check that we are never trying to self-exec a test binary. Add daemonize bypass for TestAgent so that we don't have to jump through ridiculous self-execution hooks for every package that might possibly invoke a managed proxy 2018-06-25 12:24:09 -07:00
Mitchell Hashimoto 536f31571b
agent: change connect command paths to be slices, not strings
This matches other executable configuration and allows us to cleanly
separate executable from arguments without trying to emulate shell
parsing.
2018-06-14 09:42:08 -07:00
Paul Banks 02ab461dae
TLS watching integrated into Service with some basic tests.
There are also a lot of small bug fixes found when testing lots of things end-to-end for the first time and some cleanup now it's integrated with real CA code.
2018-06-14 09:42:07 -07:00
Kyle Havlovitz 2167713226
Add CA config to connect section of agent config 2018-06-14 09:42:05 -07:00
Paul Banks c2266b134a
HTTP agent registration allows proxy to be defined. 2018-06-14 09:41:57 -07:00
Paul Banks 78e48fd547
Added connect proxy config and local agent state setup on boot. 2018-06-14 09:41:57 -07:00
Matt Keeler 6604828009 Add configuration entry to control including TXT records for node meta in DNS responses
If set to false, the only way to retrieve TXT records for node meta is to specifically query for TXT records.
2018-06-11 11:49:04 -04:00
Preetha Appan e28c5fbb4e
Also make snapshot interval configurable 2018-05-11 10:43:24 -05:00
Preetha Appan eb4bc79118
Make raft snapshot commit threshold configurable 2018-05-11 10:43:24 -05:00
Pierre Souchay e342ced97b Clearer documentation and comments for enabling Prometheus support 2018-04-09 13:16:45 +02:00
Pierre Souchay 2e495ec8a6 Now use prometheus_retention_time > 0 to enable prometheus support 2018-04-06 14:21:05 +02:00
Pierre Souchay 583744d8c5 Added support exposing metrics in Prometheus format 2018-04-06 09:18:06 +02:00
Preetha 8fbe3dfceb
Adds discovery_max_stale (#4004)
Adds a new option to allow service discovery endpoints to return stale results if configured at the agent level.
2018-03-30 10:14:44 -05:00
Josh Soref 1dd8c378b9 Spelling (#3958)
* spelling: another

* spelling: autopilot

* spelling: beginning

* spelling: circonus

* spelling: default

* spelling: definition

* spelling: distance

* spelling: encountered

* spelling: enterprise

* spelling: expands

* spelling: exits

* spelling: formatting

* spelling: health

* spelling: hierarchy

* spelling: imposed

* spelling: independence

* spelling: inspect

* spelling: last

* spelling: latest

* spelling: client

* spelling: message

* spelling: minimum

* spelling: notify

* spelling: nonexistent

* spelling: operator

* spelling: payload

* spelling: preceded

* spelling: prepared

* spelling: programmatically

* spelling: required

* spelling: reconcile

* spelling: responses

* spelling: request

* spelling: response

* spelling: results

* spelling: retrieve

* spelling: service

* spelling: significantly

* spelling: specifies

* spelling: supported

* spelling: synchronization

* spelling: synchronous

* spelling: themselves

* spelling: unexpected

* spelling: validations

* spelling: value
2018-03-19 16:56:00 +00:00
Devin Canterberry ece32fce53
🔒 Update supported TLS cipher suites
The list of cipher suites included in this commit are consistent with
the values and precedence in the [Golang TLS documentation](https://golang.org/src/crypto/tls/cipher_suites.go).

> **Note:** Cipher suites with RC4 are still included within the list
> of accepted values for compatibility, but **these cipher suites are
> not safe to use** and should be deprecated with warnings and
> subsequently removed. Support for RC4 ciphers has already been
> removed or disabled by default in many prominent browsers and tools,
> including Golang.
>
> **References:**
>
>  * [RC4 on Wikipedia](https://en.wikipedia.org/wiki/RC4)
>  * [Mozilla Security Blog](https://blog.mozilla.org/security/2015/09/11/deprecating-the-rc4-cipher/)
2018-03-15 10:19:46 -07:00
Pierre Souchay 09970479b5 Allow to control the number of A/AAAA Record returned by DNS
This allows to have randomized resource records (i.e. each
answer contains only one IP, but the IP changes every request) for
A, AAAA records.

It will fix https://github.com/hashicorp/consul/issues/3355 and
https://github.com/hashicorp/consul/issues/3937

See https://github.com/hashicorp/consul/issues/3937#issuecomment-370610509
for details.

It basically add a new option called `a_record_limit` and will not
return more than a_record_limit when performing A, AAAA or ANY DNS
requests.

The existing `udp_answer_limit` option is still working but should
be considered as deprecated since it works only with DNS clients
not supporting EDNS.
2018-03-06 02:07:42 +01:00
James Phillips 532cafe0af
Adds enable_agent_tls_for_checks configuration option which allows (#3661)
HTTP health checks for services requiring 2-way TLS to be checked
using the agent's credentials.
2017-11-07 18:22:09 -08:00
Frank Schroeder 44cc334fc4
config: address review comments 2017-10-23 08:05:47 +02:00
Frank Schroeder 28083cb330
config: document remaining config options 2017-10-23 08:04:03 +02:00
Frank Schroeder b2c2386d75
config: document more config options 2017-10-23 08:04:03 +02:00
Frank Schroeder 7b1f4d5838
config: document more config options 2017-10-23 08:04:03 +02:00
Frank Schroeder b01702f129
config: document more acl options 2017-10-23 08:04:03 +02:00
Frank Schroeder 32ed645df5
config: document config options 2017-10-23 08:04:03 +02:00
Frank Schroeder 3d68185206
config: document acl options 2017-10-23 08:04:03 +02:00
Frank Schroeder 4fc973a256
config: document autopilot options 2017-10-23 08:04:03 +02:00
Frank Schroeder 66e1b9fb64
config: document dns options 2017-10-23 08:04:03 +02:00
Frank Schroeder dc4e90e6c0
config: document http options 2017-10-23 08:04:03 +02:00
Frank Schroeder 018b8d66d6
config: document telemetry options 2017-10-23 08:04:03 +02:00
Frank Schröder 9b2e3c2091 agent: add option to discard health output (#3562)
* agent: add option to discard health output

In high volatile environments consul will have checks with "noisy"
output which changes every time even though the status does not change.
Since the output is stored in the raft log every health check update
unblocks a blocking call on health checks since the raft index has
changed even though the status of the health checks may not have changed
at all. By discarding the output of the health checks the users can
choose a different tradeoff. Less visibility on why a check failed in
exchange for a reduced change rate on the raft log.

* agent: discard output also when adding a check

* agent: add test for discard check output

* agent: update docs

* go vet

* Adds discard_check_output to reloadable config table.

* Updates the change log.
2017-10-10 17:04:52 -07:00
James Phillips d1ad538345 Makes RPC handling more robust when rolling servers. (#3561)
* Adds client-side retry for no leader errors.

This paves over the case where the client was connected to the leader
when it loses leadership.

* Adds a configurable server RPC drain time and a fail-fast path for RPCs.

When a server leaves it gets removed from the Raft configuration, so it will
never know who the new leader server ends up being. Without this we'd be
doomed to wait out the RPC hold timeout and then fail. This makes things fail
a little quicker while a sever is draining, and since we added a client retry
AND since the server doing this has already shut down and left the Serf LAN,
clients should retry against some other server.

* Makes the RPC hold timeout configurable.

* Reorders struct members.

* Sets the RPC hold timeout default for test servers.

* Bumps the leave drain time up to 5 seconds.

* Robustifies retries with a simpler client-side RPC hold.

* Reverts untended delete.
2017-10-10 15:19:50 -07:00
Kyle Havlovitz 0063516e5e
Update metric names and add a legacy config flag 2017-10-04 16:43:27 -07:00
Preetha Appan d5acfc3982 Introduces new 'list' permission that applies to KV store recursive reads, and enforced only when opted in. 2017-10-02 17:10:21 -05:00
James Phillips d677999258
Adds a comment about Datacenter and NodeName being stable interfaces
in the runtime config strucutre.
2017-09-27 11:59:22 -07:00
Frank Schröder cda0eacff1 Recursive sanitize (#3505)
* vendor: add github.com/sergi/go-diff/diffmatchpatch for diff'ing test output

* config: refactor Sanitize to recursively clean runtime config and format complex fields

* Removes an extra int cast.

* Adds a top-level check test case for sanitization.
2017-09-27 11:47:40 -07:00
Frank Schröder 707f8e329a Metrics service prefix (#3498)
* metrics: replace statsite_prefix with service_prefix

The metrics prefix isn't statsite specific and is in fact used
for all metrics providers. Since we are deprecating fields
anyway we should fix this one as well.

Fixes #3293

* Updates docs and sorts telemetry section.

* Renames to "metrics_prefix" to disambiguate with Consul services.

* Updates the change log.
2017-09-26 17:49:55 -07:00
Frank Schröder 69a088ca85 New config parser, HCL support, multiple bind addrs (#3480)
* new config parser for agent

This patch implements a new config parser for the consul agent which
makes the following changes to the previous implementation:

 * add HCL support
 * all configuration fragments in tests and for default config are
   expressed as HCL fragments
 * HCL fragments can be provided on the command line so that they
   can eventually replace the command line flags.
 * HCL/JSON fragments are parsed into a temporary Config structure
   which can be merged using reflection (all values are pointers).
   The existing merge logic of overwrite for values and append
   for slices has been preserved.
 * A single builder process generates a typed runtime configuration
   for the agent.

The new implementation is more strict and fails in the builder process
if no valid runtime configuration can be generated. Therefore,
additional validations in other parts of the code should be removed.

The builder also pre-computes all required network addresses so that no
address/port magic should be required where the configuration is used
and should therefore be removed.

* Upgrade github.com/hashicorp/hcl to support int64

* improve error messages

* fix directory permission test

* Fix rtt test

* Fix ForceLeave test

* Skip performance test for now until we know what to do

* Update github.com/hashicorp/memberlist to update log prefix

* Make memberlist use the default logger

* improve config error handling

* do not fail on non-existing data-dir

* experiment with non-uniform timeouts to get a handle on stalled leader elections

* Run tests for packages separately to eliminate the spurious port conflicts

* refactor private address detection and unify approach for ipv4 and ipv6.

Fixes #2825

* do not allow unix sockets for DNS

* improve bind and advertise addr error handling

* go through builder using test coverage

* minimal update to the docs

* more coverage tests fixed

* more tests

* fix makefile

* cleanup

* fix port conflicts with external port server 'porter'

* stop test server on error

* do not run api test that change global ENV concurrently with the other tests

* Run remaining api tests concurrently

* no need for retry with the port number service

* monkey patch race condition in go-sockaddr until we understand why that fails

* monkey patch hcl decoder race condidtion until we understand why that fails

* monkey patch spurious errors in strings.EqualFold from here

* add test for hcl decoder race condition. Run with go test -parallel 128

* Increase timeout again

* cleanup

* don't log port allocations by default

* use base command arg parsing to format help output properly

* handle -dc deprecation case in Build

* switch autopilot.max_trailing_logs to int

* remove duplicate test case

* remove unused methods

* remove comments about flag/config value inconsistencies

* switch got and want around since the error message was misleading.

* Removes a stray debug log.

* Removes a stray newline in imports.

* Fixes TestACL_Version8.

* Runs go fmt.

* Adds a default case for unknown address types.

* Reoders and reformats some imports.

* Adds some comments and fixes typos.

* Reorders imports.

* add unix socket support for dns later

* drop all deprecated flags and arguments

* fix wrong field name

* remove stray node-id file

* drop unnecessary patch section in test

* drop duplicate test

* add test for LeaveOnTerm and SkipLeaveOnInt in client mode

* drop "bla" and add clarifying comment for the test

* split up tests to support enterprise/non-enterprise tests

* drop raft multiplier and derive values during build phase

* sanitize runtime config reflectively and add test

* detect invalid config fields

* fix tests with invalid config fields

* use different values for wan sanitiziation test

* drop recursor in favor of recursors

* allow dns_config.udp_answer_limit to be zero

* make sure tests run on machines with multiple ips

* Fix failing tests in a few more places by providing a bind address in the test

* Gets rid of skipped TestAgent_CheckPerformanceSettings and adds case for builder.

* Add porter to server_test.go to make tests there less flaky

* go fmt
2017-09-25 11:40:42 -07:00