cookbook 'etcd', '= 5.2.1'
etcd
(93) Versions
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Installs and configures etcd
cookbook 'etcd', '= 5.2.1', :supermarket
knife supermarket install etcd
knife supermarket download etcd
Etcd Cookbook
The Etcd Cookbook is a library cookbook that provides custom resources for use in recipes.
Scope
This cookbook is concerned with the Etcd distributed key/value store as distributed by CoreOS, Inc.
Requirements
- Chef 12.11+
- Network accessible web server hosting the etcd binary.
Platform Support
The following platforms have been tested with Test Kitchen. It will most likely work on other platforms as well
|---------------+-------+
| | 3.2.6 |
|---------------+-------+
| amazonlinux | X |
|---------------+-------+
| centos-6 | X |
|---------------+-------+
| centos-7 | X |
|---------------+-------+
| debian-8 | X |
|---------------+-------+
| debian-9 | X |
|---------------+-------+
| fedora | X |
|---------------+-------+
| ubuntu-14.04 | X |
|---------------+-------+
| ubuntu-16.04 | X |
|---------------+-------+
| opensuse-leap | X |
|---------------+-------+
Cookbook Dependencies
Usage
- Add
depends 'etcd'
to your cookbook's metadata.rb - Use the resources shipped in cookbook in a recipe, the same way you'd use core Chef resources (file, template, directory, package, etc).
etcd_service 'etcd0' do advertise_client_urls 'http://127.0.0.1:2379' listen_client_urls 'http://0.0.0.0:2379' initial_advertise_peer_urls 'http://127.0.0.1:2380' listen_peer_urls 'http://0.0.0.0:2380' initial_cluster_token 'etcd-cluster-1' initial_cluster 'etcd0=http://127.0.0.1:2380,etcd1=http://127.0.0.1:3380,etcd2=http://127.0.0.1:4380' initial_cluster_state 'new' action :start ignore_failure true # required for the first cluster build end etcd_service 'etcd1' do advertise_client_urls 'http://127.0.0.1:3379' listen_client_urls 'http://0.0.0.0:3379' initial_advertise_peer_urls 'http://127.0.0.1:3380' listen_peer_urls 'http://0.0.0.0:3380' initial_cluster_token 'etcd-cluster-1' initial_cluster 'etcd0=http://127.0.0.1:2380,etcd1=http://127.0.0.1:3380,etcd2=http://127.0.0.1:4380' initial_cluster_state 'new' action :start ignore_failure true end etcd_service 'etcd2' do advertise_client_urls 'http://127.0.0.1:4379' listen_client_urls 'http://0.0.0.0:4379' initial_advertise_peer_urls 'http://127.0.0.1:4380' listen_peer_urls 'http://0.0.0.0:4380' initial_cluster_token 'etcd-cluster-1' initial_cluster 'etcd0=http://127.0.0.1:2380,etcd1=http://127.0.0.1:3380,etcd2=http://127.0.0.1:4380' initial_cluster_state 'new' action :start ignore_failure true end
Test Cookbooks as Examples
The cookbooks ran under test-kitchen make excellent usage examples.
The test recipes are found at:
test/cookbooks/etcd_test/
Resources Overview
-
etcd_service
: composite resource that uses etcd_installation and etcd_service_manager -
etcd_installation
: automatically selects an installation method -
etcd_service_manager
: automatically selects a service manager -
etcd_key
: manages keys in etcd -
etcd_installation_binary
: copies a pre-compiled etcd binary onto disk -
etcd_installation_docker
: pulls a docker image to the DOCKER_HOST -
etcd_service_manager_sysvinit
: manage etcd daemon with a sysvinit script -
etcd_service_manager_upstart
: manage etcd daemon with upstart script -
etcd_service_manager_systemd
: manage etcd daemon with systemd unit files -
etcd_service_manager_docker
: starts a docker process on the DOCKER_HOST
Resources Details
etcd_installation
The etcd_installation
resource auto-selects one of the below resources with the provider resolution system. Currently only the binary installation is available. Packages will be supported in the future versions.
Example
etcd_installation 'default' do action :create end
etcd_installation_binary
The etcd_installation_binary
resource copies the precompiled Go binary onto the disk.
Example
etcd_installation_binary 'default' do version '3.2.6' source 'https://my.computers.biz/dist/etcd' checksum '90aff7364caa43932fd46974825af20e0ecb70fe7e01981e2d3a496106f147e7' action :create end
etcd_installation_docker
The etcd_installation_docker
resource uses the docker_image
resource to pull an image to the DOCKER_HOST.
Properties
-
repo
- The image name to pull. Defaults to 'quay.io/coreos/etcd' -
tag
- The image tag to pull. -
version
- String used to calculate tag string when tag is omitted. Defaults to '2.3.7'
etcd_service_manager
The etcd_service_manager
resource auto-selects one of the below resources with the provider resolution system. The etcd_service
family all share a common set of properties, which are listed under the etcd_service
composite resource.
Warning
etcd startup behavior is a bit quirky. etcd loops indefinitely on startup until quorum can be established. Due to this the first nodes service start will fail unless all nodes come up at the same time. Due to this there is an ignore_failure property for the upstart / systemd service managers which allows you to continue on in the chef run if the service fails to start. Upstart / systemd will automatically keep restarting the service until all nodes are up and the cluster is healthy. For sys-v init you're on your own.
Example
etcd_service_manager 'default' do action :start end
etcd_service_manager_sysvinit
Example
etcd_service_manager_sysvinit 'default' do action :stop end
etcd_service_manager_upstart
Example
etcd_service_manager_upstart 'default' do action :start end
properties
- ignore_failure - Ignore failures starting the etcd service. Before quorum is established nodes will loop indefinitely and never successfully start. This can help ensure all instances are up when init systems can handle restart on failure. Default: false
etcd_service_manager_systemd
Example
etcd_service_manager_systemd 'default' do action :start end
properties
- service_timeout - The time in seconds before the service start fails. Default: 20
- ignore_failure - Ignore failures starting the etcd service. Before quorum is established nodes will loop indefinitely and never successfully start. This can help ensure all instances are up when init systems can handle restart on failure. Default: false
etcd_service_manager_docker
Example
etcd_service_manager_docker 'default' do action :start end
properties
- repo - defaults to 'quay.io/coreos/etcd'
- tag - default calculated from version
- version - defaults to '3.2.6',
- container_name - defaults to resource name
- port - defaults to ['2379/tcp4:2379', '2380/tcp4:2380']
etcd_service
The etcd_service
: resource is a composite resource that uses etcd_installation
and etcd_service_manager
resources.
- The
:create
action uses anetcd_installation
- The
:delete
action uses anetcd_installation
- The
:start
action uses anetcd_service_manager
- The
:stop
action uses anetcd_service_manager
The service management strategy for the host platform is dynamically chosen based on platform, but can be overridden.
Properties
The etcd_service
resource property list corresponds to the options found in
Etcd Configuration Flags documentation
Member flags
source
node_name
data_dir
wal_dir
-
snapshot_count
snapshot to disk. heartbeat_interval
election_timeout
listen_peer_urls
listen_client_urls
max_snapshots
max_wals
cors
quota_backend_bytes
Clustering Flags
initial
initial_advertise_peer_urls
initial_cluster
initial_cluster_state
initial_cluster_token
advertise_client_urls
discovery
discovery_srv
discovery_fallback
discovery_proxy
strict_reconfig_check
auto_compaction_retention
enable_v2
Proxy Flags
proxy
proxy_failure_wait
proxy_refresh_interval
proxy_dial_timeout
proxy_write_timeout
proxy_read_timeout
Security Flags
cert_file
key_file
client_cert_auth
trusted_ca_file
auto_tls
peer_cert_file
peer_key_file
peer_client_cert_auth
peer_trusted_ca_file
peer_auto_tls
etcdctl_client_cert_file
etcdctl_client_key_file
Logging Flags
debug
log_package_levels
Profiling Flags
enable_pprof
metrics
Auth Flags
auth_token
Unsafe Flags
force_new_cluster
Misc
http_proxy
https_proxy
no_proxy
auto_restart
etcd_key
The etcd_key
resource sets, watches and deletes keys in etcd.
Actions
- The
:set
action sets a key - The
:delete
action deletes a key - The
:watch
action waits for a key to update
Properties
-
key
- The key name -
value
- The desired value -
ttl
- The ttl for the key (optional) -
host
- The hostname of the etcd server, defaults to127.0.0.1
-
port
- The port that etcd is listening on, defaults to2379
Examples
etcd_key "/test" do value "a_test_value" action :set end
Maintainers
This cookbook is maintained by Chef's Community Cookbook Engineering team. Our goal is to improve cookbook quality and to aid the community in contributing to cookbooks. To learn more about our team, process, and design goals see our team documentation. To learn more about contributing to cookbooks like this see our contributing documentation, or if you have general questions about this cookbook come chat with us in #cookbok-engineering on the Chef Community Slack
Additional Contributors
License
Copyright | 2013, Jesse Nelson
Copyright | 2015-2017, Chef Software, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
etcd Cookbook CHANGELOG
This file is used to list changes made in each version of the etcd cookbook.
5.2.1 (2017-12-02)
- Remove the start/wait logic from sys-v
- Fix checksum property on etcd_installation resource
5.2.0 (2017-09-11)
- Several changes have been made to the cookbook to better allow for building up new etcd clusters. Since etcd will loop waiting for quorum forever processes never hand control back to the init system when the first node is being built. To workaround this I have removed the healthcheck script that was previously bundled and added the ability to continue on after failures. To not fail when the service fails to start add ignore_failure true to the service_manager resource declaration (see the example in the readme) and Chef will continue allowing the cluster to complete its build out.
- Changed how the server_manager resources are declared to better support additional platforms that also use sys-v, upstart, or systemd. This gets us opensuse support, which is now part of the test matrix.
- Add docker testing to the test kitchen and remove the duplicate installation tests
- Fix new_resource error in the in etcd_service_manager_docker
- Resolve a deprecation warning in etcd_service_manager_docker
- Fix the etcd command to include the binary name in etcd_service_manage_docker
5.1.0 (2017-09-11)
- Be less specific in the service resources so we can support any platform that is systemd, upstart or sys-v
- Add that we support opensuse leap to the metadata / readme
5.0.0 (2017-09-05)
Breaking Changes
- This cookbook has been refactored to work with etcd 3.X and now defaults to installing 3.2.6. 2.x will not work as many new configuration properties have been added to etcd. If you need support for etcd 2.x you should pin the 4.X release of this cookbook.
- This cookbook now longer requires compat_resource and also utilizes the systemd_unit resource in Chef. Due to this the cookbook now requires Chef 12.11 or later.
- The execute provider for the etcd_service has been removed as Chef should not be used as an init system. There is now fully functional sys-v, upstart, and systemd support, which are preferred alternatives.
Other Changes
- Listening ports in examples, tests, and resources have been updated for the new ports used by etcd
- Integration testing has been updated to InSpec
- The default path to the data dir is now an absolute path to resolve some previous issues
- All Chef 14 deprecation warnings have been resolved
- Remove the only_if on the service start that could potentially prevent the service from starting
- Sync up the unit file with the upstream format recommended by the project
- Fix faulty logfile logic in the upstart / sys-v scripts that prevented these resources from ever working
4.1.0 (2017-08-20)
- Fixing some deprecation warnings
4.1.0 (2016-10-10)
- suse is systemd not sysv
- Require Chef 12.1+ and the latest compat_resource
- Define custom matchers helpers for Chefspec
4.0.0
- Install etcd 2.3.7 by default
- Install tar to ensure we can decompress the etcd package
- Replace testing of Ubuntu 15.10 with 16.04
- Fix testing in Test Kitchen using vagrant
- Add a Gemfile with testing dependencies
- Update the compat_resource dependency from 12.5 to 12.10 to bring in the latest fixes
- Add chef_version metadata to the metadata.rb file
3.2.5
- Added Redhat, Oracle Linux, and Scientific Linux to the metadata
- Fixed issues_url and source_url in the metadata to point to the correct URL
- Added license to the metadata
- Updated Rakefile so testing tasks match other Chef cookbooks
- Add maintainers files and Rake task to generate the markdown
3.2.4
- Added support for Scientific / Oracle Linux 6.X
- Fixed readme badges
- Added a chefignore file
- Add contributing and testing docs
- Removed Ruby 2.2 via RVM install from the Travis CI runs
3.2.3
- Retrying key operations
3.2.2
- Using converge_if_changed in :set action
3.2.1
- Adding etcd_key resource
- Removing unused property previous_state
- Adding desired_state: false to various properties
3.2.0
- Adding etcd_key resource
3.1.6
- Fix redirecting stderr to stdout in upstart manaager
3.1.5
- Fix timeout pattern in systemd-wait-ready
3.1.4
- Fixing up docker service manager tests
3.1.3
- Fixing incorrectly named classes in service managers
3.1.2
- Fixing wait-ready script to use etcdctl_cmd
3.1.1
- Adding docker to etcd_service
3.1.0
- Supporting run_user on service manager resources
3.0.0
- New major version, non-backwards compatible with 2.x.x
- Rewritten as Custom Resources
- Defaulting to etcd version 2.2.2
2.2.2
- update to etcd 0.4.6
- adds debian support
2.2.1
- update to etcd 0.4.5
- Add centos 7 support
- Support centos cloud images without tar
- Dry out compile time recipe
- Move to berks3
2.2.0
- update to etcd 0.4.2
- Removed node[:etcd][:local] No longer needed in new etcd. Etcd will default bind :4001 and :7001.
- The cookbook default is now to use node[:ipaddress] as the addr and peer_addr.
- add auto-respawn instruction in upstart config file
- Fix Gem deps in the ci build
2.1.3
- add peer and peer_addr support / attributes
- add name attribute and computation
- fixup cmdline argument computation
- ensure cluster members are always sorted
- fix spec tests
2.1.2
- fix bug in cluster recipe where Resolv was spelled wrong
- fix kitchen test on cluster to pickup this issue.
- add basic chefspec as well to ensure this sort of issue doesn't occur
- fix bug with name attribute methods
- fix searching for wrong recipe when using cluster recipe
2.1.1
- update to etcd 0.3.0
- Add support for new discovery mode
- refactor common functions into library methods
- Add specs
- Use rubocop to replace tailor/cane
- Fixup testing (add travis integration)
2.0.0
- update to etcd 0.2.0
- remove
name_switch
attribute. It was marked for deprication in 1.3 - enable snapshotting by default
- add optional local listener
- support chef-solo
- Add support of explicitely specifying a cluster's nodes
1.3.5
- silence foodcritic by accessing attributes in a consistent manner,
- trigger a restart when etcd conf is updated
- include git if source install
- metadata depends on git recipe
- Update Documentation
- Update contributors
1.3.4
- fix compile_time to use the right tarball path
1.3.3
- Bump to etcd 1.2
- Added source install recipe
1.3.1
- default binding to node[:ipaddress]
1.2.4
- update to etcd 0.1.1 release
- add compile_time recipe that does the whole bit in chef compile time
1.2.3
- hotfix to add missing
node[:etcd][:env_scope]
attribute - bugfix: use
node[:fqdn]
instead of hostname when matching local machine name
1.2.2
- add cluster recipe for setting up clusters of etcd nodes
- re-add seed-node attribute
1.2.1
- fix the startup args so it is easier to specify custom args
- supports release version and current master on git
- add in tests for both release and git versions of etcd
1.1.1
- Make everything work with release 0.1.0 of etcd
- fixup some syntax issues
1.1.0
- move binary install to using coreos/etcd releases from github
- for now the install locattion is fixed to /usr/local and links in /usr/local/bin
- Use ark for managing tarballs
- move bats tests to using etcdctl instead of curl
Collaborator Number Metric
5.2.1 passed this metric
Contributing File Metric
5.2.1 passed this metric
Foodcritic Metric
5.2.1 passed this metric
License Metric
5.2.1 passed this metric
No Binaries Metric
5.2.1 failed this metric
Failure: Cookbook should not contain binaries. Found:
etcd/files/default/vendor/cache/mixlib-log-1.6.0.gem
etcd/files/default/vendor/cache/etcd-0.3.0.gem
Testing File Metric
5.2.1 passed this metric
Version Tag Metric
5.2.1 passed this metric
5.2.1 passed this metric
5.2.1 passed this metric
Foodcritic Metric
5.2.1 passed this metric
License Metric
5.2.1 passed this metric
No Binaries Metric
5.2.1 failed this metric
Failure: Cookbook should not contain binaries. Found:
etcd/files/default/vendor/cache/mixlib-log-1.6.0.gem
etcd/files/default/vendor/cache/etcd-0.3.0.gem
Testing File Metric
5.2.1 passed this metric
Version Tag Metric
5.2.1 passed this metric
5.2.1 passed this metric
5.2.1 passed this metric
No Binaries Metric
5.2.1 failed this metric
Failure: Cookbook should not contain binaries. Found:
etcd/files/default/vendor/cache/mixlib-log-1.6.0.gem
etcd/files/default/vendor/cache/etcd-0.3.0.gem
Testing File Metric
5.2.1 passed this metric
Version Tag Metric
5.2.1 passed this metric
5.2.1 failed this metric
etcd/files/default/vendor/cache/mixlib-log-1.6.0.gem
etcd/files/default/vendor/cache/etcd-0.3.0.gem
5.2.1 passed this metric
Version Tag Metric
5.2.1 passed this metric
5.2.1 passed this metric