test/unit: test DisruptionBudget

This commit is contained in:
Mitchell Hashimoto 2018-09-03 08:58:19 -07:00
parent 83fc9d981c
commit fc30ae877e
No known key found for this signature in database
GPG key ID: 744E147AA52F5B0A
4 changed files with 65 additions and 2 deletions

View file

@ -1,6 +1,6 @@
# PodDisruptionBudget to prevent degrading the server cluster through
# voluntary cluster changes.
{{- if (and (default .Values.server.enabled .Values.global.enabled) (default .Values.server.disruptionBudget.enabled .Values.global.enabled)) }}
{{- if (and .Values.server.disruptionBudget.enabled (or (and (ne (.Values.server.enabled | toString) "-") .Values.server.enabled) (and (eq (.Values.server.enabled | toString) "-") .Values.global.enabled))) }}
apiVersion: policy/v1beta1
kind: PodDisruptionBudget
metadata:

View file

@ -0,0 +1,63 @@
#!/usr/bin/env bats
load _helpers
@test "server/DisruptionBudget: enabled by default" {
cd `chart_dir`
local actual=$(helm template \
-x templates/server-disruptionbudget.yaml \
. | tee /dev/stderr |
yq 'length > 0' | tee /dev/stderr)
[ "${actual}" = "true" ]
}
@test "server/DisruptionBudget: enable with global.enabled false" {
cd `chart_dir`
local actual=$(helm template \
-x templates/server-disruptionbudget.yaml \
--set 'global.enabled=false' \
--set 'server.enabled=true' \
. | tee /dev/stderr |
yq 'length > 0' | tee /dev/stderr)
[ "${actual}" = "true" ]
}
@test "server/DisruptionBudget: disable with server.enabled" {
cd `chart_dir`
local actual=$(helm template \
-x templates/server-disruptionbudget.yaml \
--set 'server.enabled=false' \
. | tee /dev/stderr |
yq 'length > 0' | tee /dev/stderr)
[ "${actual}" = "false" ]
}
@test "server/DisruptionBudget: disable with server.disruptionBudget.enabled" {
cd `chart_dir`
local actual=$(helm template \
-x templates/server-disruptionbudget.yaml \
--set 'server.disruptionBudget.enabled=false' \
. | tee /dev/stderr |
yq 'length > 0' | tee /dev/stderr)
[ "${actual}" = "false" ]
}
@test "server/DisruptionBudget: disable with global.enabled" {
cd `chart_dir`
local actual=$(helm template \
-x templates/server-disruptionbudget.yaml \
--set 'global.enabled=false' \
. | tee /dev/stderr |
yq 'length > 0' | tee /dev/stderr)
[ "${actual}" = "false" ]
}
@test "server/DisruptionBudget: correct maxUnavailable with n=3" {
cd `chart_dir`
local actual=$(helm template \
-x templates/server-disruptionbudget.yaml \
--set 'server.replicas=3' \
. | tee /dev/stderr |
yq '.spec.maxUnavailable' | tee /dev/stderr)
[ "${actual}" = "0" ]
}

View file

@ -45,7 +45,7 @@ server:
# disruptionBudget enables the creation of a PodDisruptionBudget to
# prevent voluntary degrading of the Consul server cluster.
disruptionBudget:
enabled: null
enabled: true
# maxUnavailable will default to (n/2)-1 where n is the number of
# replicas. If you'd like a custom value, you can specify an override here.