kubespray/roles/etcd/defaults/main.yml

---
# Set to false to only do certificate management
etcd_cluster_setup: true

etcd_backup_prefix: "/var/backups"
etcd_data_dir: "/var/lib/etcd"

etcd_config_dir: /etc/ssl/etcd
etcd_cert_dir: "{{ etcd_config_dir }}/ssl"
etcd_cert_group: root
# Note: This does not set up DNS entries. It simply adds the following DNS
# entries to the certificate
etcd_cert_alt_names:
  - "etcd.{{ system_namespace }}.svc.{{ dns_domain }}"
  - "etcd.{{ system_namespace }}.svc"
  - "etcd.{{ system_namespace }}"
  - "etcd"

etcd_script_dir: "{{ bin_dir }}/etcd-scripts"

etcd_heartbeat_interval: "250"
etcd_election_timeout: "5000"

etcd_metrics: "basic"

# Limits
# Limit memory only if <4GB memory on host. 0=unlimited
etcd_memory_limit: "{% if ansible_memtotal_mb < 4096 %}512M{% else %}0{% endif %}"

# Uncomment to set CPU share for etcd
# etcd_cpu_limit: 300m

etcd_blkio_weight: 1000

etcd_node_cert_hosts: "{{ groups['k8s-cluster'] | union(groups.get('calico-rr', [])) }}"

etcd_compaction_retention: "8"

etcd_vault_mount_path: etcd
etcd directly in host fix etcd configuration for nodes fix wrong calico checksums using a var name etcd_bin_dir fix etcd handlers for sysvinit using a var name etcd_bin_dir sysvinit script review etcd configuration 2016-01-19 22:23:19 +08:00			`---`
Remove standalone etcd specific play, cleanup host mode Now etcd role can optionally disable etcd cluster setup for faster deployment when it is combined with etcd role. 2017-03-04 04:30:37 +08:00			`# Set to false to only do certificate management`
			`etcd_cluster_setup: true`

move `etcd_backup_prefix` to new home. 2017-06-27 21:12:34 +08:00			`etcd_backup_prefix: "/var/backups"`
Make etcd data dir configurable. Closes: #1073 Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com> 2017-02-24 22:58:54 +08:00			`etcd_data_dir: "/var/lib/etcd"`
Add etcd TLS support 2016-11-09 18:44:41 +08:00
			`etcd_config_dir: /etc/ssl/etcd`
			`etcd_cert_dir: "{{ etcd_config_dir }}/ssl"`
Revert "Drop linux capabilities and rework users/groups" 2017-02-06 20:58:54 +08:00			`etcd_cert_group: root`
Add support for cert alt names for etcd (#2139) * Add support for cert alt names for etcd * Update gen_certs_vault.yml 2018-01-09 19:37:34 +08:00			`# Note: This does not set up DNS entries. It simply adds the following DNS`
			`# entries to the certificate`
			`etcd_cert_alt_names:`
			`- "etcd.{{ system_namespace }}.svc.{{ dns_domain }}"`
			`- "etcd.{{ system_namespace }}.svc"`
			`- "etcd.{{ system_namespace }}"`
			`- "etcd"`
Add etcd TLS support 2016-11-09 18:44:41 +08:00
			`etcd_script_dir: "{{ bin_dir }}/etcd-scripts"`
Systemd units, limits, and bin path fixes * Add restart for weave service unit * Reuse docker_bin_dir everythere * Limit systemd managed docker containers by CPU/RAM. Do not configure native systemd limits due to the lack of consensus in the kernel community requires out-of-tree kernel patches. Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com> 2016-12-23 22:44:44 +08:00
Re-tune ETCD performance params Reduce election timeout to 5000ms (was 10000ms) Raise heartbeat interval to 250ms (was 100ms) Remove etcd cpu share (was 300) Make etcd_cpu_limit and etcd_memory_limit optional. 2017-02-07 22:46:02 +08:00			`etcd_heartbeat_interval: "250"`
			`etcd_election_timeout: "5000"`

Add etcd metrics flag 2017-07-24 16:25:38 +08:00			`etcd_metrics: "basic"`

Systemd units, limits, and bin path fixes * Add restart for weave service unit * Reuse docker_bin_dir everythere * Limit systemd managed docker containers by CPU/RAM. Do not configure native systemd limits due to the lack of consensus in the kernel community requires out-of-tree kernel patches. Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com> 2016-12-23 22:44:44 +08:00			`# Limits`
Only limit etcd memory on small hosts (#1860) Also disable oom killer on etcd 2017-10-25 17:25:15 +08:00			`# Limit memory only if <4GB memory on host. 0=unlimited`
			`etcd_memory_limit: "{% if ansible_memtotal_mb < 4096 %}512M{% else %}0{% endif %}"`
Re-tune ETCD performance params Reduce election timeout to 5000ms (was 10000ms) Raise heartbeat interval to 250ms (was 100ms) Remove etcd cpu share (was 300) Make etcd_cpu_limit and etcd_memory_limit optional. 2017-02-07 22:46:02 +08:00
			`# Uncomment to set CPU share for etcd`
Adding yamllinter to ci steps (#1556) * Adding yaml linter to ci check * Minor linting fixes from yamllint * Changing CI to install python pkgs from requirements.txt - adding in a secondary requirements.txt for tests - moving yamllint to tests requirements 2017-08-24 17:09:52 +08:00			`# etcd_cpu_limit: 300m`
Vault security hardening and role isolation 2017-02-09 05:41:36 +08:00
Add etcd_blkio_weight var (#1690) 2017-09-25 19:20:24 +08:00			`etcd_blkio_weight: 1000`

Vault security hardening and role isolation 2017-02-09 05:41:36 +08:00			`etcd_node_cert_hosts: "{{ groups['k8s-cluster'] \| union(groups.get('calico-rr', [])) }}"`
add configurable parameter for etcd_auto_compaction_retention 2017-06-14 16:39:38 +08:00
etcd_compaction_retention every 8 hour (#1527) 2017-08-20 18:55:48 +08:00			`etcd_compaction_retention: "8"`
Change single Vault pki mount to multi pki mounts paths for etcd and kube CA`s (#1552) * Added update CA trust step for etcd and kube/secrets roles * Added load_balancer_domain_name to certificate alt names if defined. Reset CA's in RedHat os. * Rename kube-cluster-ca.crt to vault-ca.crt, we need separated CA`s for vault, etcd and kube. * Vault role refactoring, remove optional cert vault auth because not not used and worked. Create separate CA`s fro vault and etcd. * Fixed different certificates set for vault cert_managment * Update doc/vault.md * Fixed condition create vault CA, wrong group * Fixed missing etcd_cert_path mount for rkt deployment type. Distribute vault roles for all vault hosts * Removed wrong when condition in create etcd role vault tasks. 2017-08-30 21:03:22 +08:00
			`etcd_vault_mount_path: etcd`