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consul/agent/config/doc.go

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copyright headers for agent folder (#16704) * copyright headers for agent folder * Ignore test data files * fix proto files and remove headers in agent/uiserver folder * ignore deep-copy files
2 years ago
// Copyright (c) HashiCorp, Inc.
[COMPLIANCE] License changes (#18443) * Adding explicit MPL license for sub-package This directory and its subdirectories (packages) contain files licensed with the MPLv2 `LICENSE` file in this directory and are intentionally licensed separately from the BSL `LICENSE` file at the root of this repository. * Adding explicit MPL license for sub-package This directory and its subdirectories (packages) contain files licensed with the MPLv2 `LICENSE` file in this directory and are intentionally licensed separately from the BSL `LICENSE` file at the root of this repository. * Updating the license from MPL to Business Source License Going forward, this project will be licensed under the Business Source License v1.1. Please see our blog post for more details at <Blog URL>, FAQ at www.hashicorp.com/licensing-faq, and details of the license at www.hashicorp.com/bsl. * add missing license headers * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 * Update copyright file headers to BUSL-1.1 --------- Co-authored-by: hashicorp-copywrite[bot] <110428419+hashicorp-copywrite[bot]@users.noreply.github.com>
1 year ago
// SPDX-License-Identifier: BUSL-1.1
copyright headers for agent folder (#16704) * copyright headers for agent folder * Ignore test data files * fix proto files and remove headers in agent/uiserver folder * ignore deep-copy files
2 years ago
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
7 years ago
// Package config contains the command line and config file code for the
// consul agent.
//
// The consul agent configuration is generated from multiple sources:
//
// * config files
// * environment variables (which?)
// * cmd line args
//
// Each of these argument sets needs to be parsed, validated and then
// merged with the other sources to build the final configuration.
//
// This patch introduces a distinction between the user and the runtime
// configuration. The user configuration defines the external interface for
// the user, i.e. the command line flags, the environment variables and the
// config file format which cannot be changed without breaking the users'
// setup.
//
// The runtime configuration is the merged, validated and mangled
// configuration structure suitable for the consul agent. Both structures
// are similar but different and the runtime configuration can be
// refactored at will without affecting the user configuration format.
//
// For this, the user configuration consists of several structures for
// config files and command line arguments. Again, the config file and
// command line structs are similar but not identical for historical
// reasons and to allow evolving them differently.
//
// All of the user configuration structs have pointer values to
// unambiguously merge values from several sources into the final value.
//
// The runtime configuration has no pointer values and should be passed by
// value to avoid accidental or malicious runtime configuration changes.
// Runtime updates need to be handled through a new configuration
// instances.
// # Removed command line flags
//
// * "-atlas" is deprecated and is no longer used. Please remove it from your configuration.
// * "-atlas-token" is deprecated and is no longer used. Please remove it from your configuration.
// * "-atlas-join" is deprecated and is no longer used. Please remove it from your configuration.
// * "-atlas-endpoint" is deprecated and is no longer used. Please remove it from your configuration.
// * "-dc" is deprecated. Please use "-datacenter" instead
// * "-retry-join-azure-tag-name" is deprecated. Please use "-retry-join" instead.
// * "-retry-join-azure-tag-value" is deprecated. Please use "-retry-join" instead.
// * "-retry-join-ec2-region" is deprecated. Please use "-retry-join" instead.
// * "-retry-join-ec2-tag-key" is deprecated. Please use "-retry-join" instead.
// * "-retry-join-ec2-tag-value" is deprecated. Please use "-retry-join" instead.
// * "-retry-join-gce-credentials-file" is deprecated. Please use "-retry-join" instead.
// * "-retry-join-gce-project-name" is deprecated. Please use "-retry-join" instead.
// * "-retry-join-gce-tag-name" is deprecated. Please use "-retry-join" instead.
// * "-retry-join-gce-zone-pattern" is deprecated. Please use "-retry-join" instead.
//
// # Removed configuration fields
//
// * "addresses.rpc" is deprecated and is no longer used. Please remove it from your configuration.
// * "ports.rpc" is deprecated and is no longer used. Please remove it from your configuration.
// * "atlas_infrastructure" is deprecated and is no longer used. Please remove it from your configuration.
// * "atlas_token" is deprecated and is no longer used. Please remove it from your configuration.
// * "atlas_acl_token" is deprecated and is no longer used. Please remove it from your configuration.
// * "atlas_join" is deprecated and is no longer used. Please remove it from your configuration.
// * "atlas_endpoint" is deprecated and is no longer used. Please remove it from your configuration.
// * "http_api_response_headers" is deprecated. Please use "http_config.response_headers" instead.
// * "dogstatsd_addr" is deprecated. Please use "telemetry.dogstatsd_addr" instead.
// * "dogstatsd_tags" is deprecated. Please use "telemetry.dogstatsd_tags" instead.
// * "recursor" is deprecated. Please use "recursors" instead.
// * "statsd_addr" is deprecated. Please use "telemetry.statsd_addr" instead.
// * "statsite_addr" is deprecated. Please use "telemetry.statsite_addr" instead.
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.
7 years ago
// * "statsite_prefix" is deprecated. Please use "telemetry.metrics_prefix" instead.
// * "telemetry.statsite_prefix" is deprecated. Please use "telemetry.metrics_prefix" instead.
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
7 years ago
// * "retry_join_azure" is deprecated. Please use "retry_join" instead.
// * "retry_join_ec2" is deprecated. Please use "retry_join" instead.
// * "retry_join_gce" is deprecated. Please use "retry_join" instead.
//
// # Removed service config alias fields
//
// * "serviceid" is deprecated in service definitions. Please use "service_id" instead.
// * "dockercontainerid" is deprecated in service definitions. Please use "docker_container_id" instead.
// * "tlsskipverify" is deprecated in service definitions. Please use "tls_skip_verify" instead.
// * "deregistercriticalserviceafter" is deprecated in service definitions. Please use "deregister_critical_service_after" instead.
package config