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authorZohar Galor <zgalor@redhat.com>2017-11-19 15:22:08 +0200
committerZohar Galor <zgalor@redhat.com>2017-11-19 15:22:08 +0200
commit84427fb69f2b96f97d733f150c9840f78439786b (patch)
treecb0a45a8a984fba25f65b437595c53dbba4735fd /roles
parent71ac647d479768a1e3097a3dde02b9707d175a38 (diff)
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Allow modifying and adding prometheus application arguments
config.file and web.listen-address remain unconfigurable (Changing those will break deployment) Storage defaults moved to a list parameter `openshift_prometheus_args` that can be modified and extended.
Diffstat (limited to 'roles')
-rw-r--r--roles/openshift_prometheus/README.md7
-rw-r--r--roles/openshift_prometheus/defaults/main.yaml3
-rw-r--r--roles/openshift_prometheus/templates/prometheus.j25
3 files changed, 13 insertions, 2 deletions
diff --git a/roles/openshift_prometheus/README.md b/roles/openshift_prometheus/README.md
index 92f74928c..5bf6e7d77 100644
--- a/roles/openshift_prometheus/README.md
+++ b/roles/openshift_prometheus/README.md
@@ -23,6 +23,13 @@ For default values, see [`defaults/main.yaml`](defaults/main.yaml).
- `openshift_prometheus_<COMPONENT>_image_version`: specify image version for the component
+- `openshift_prometheus_args`: Modify or add arguments for prometheus application
+
+e.g
+```
+openshift_prometheus_args=['--storage.tsdb.retention=6h', '--storage.tsdb.min-block-duration=5s', '--storage.tsdb.max-block-duration=6m']
+```
+
## PVC related variables
Each prometheus component (prometheus, alertmanager, alertbuffer) can set pv claim by setting corresponding role variable:
```
diff --git a/roles/openshift_prometheus/defaults/main.yaml b/roles/openshift_prometheus/defaults/main.yaml
index 4e2cea0b9..1b4a12cac 100644
--- a/roles/openshift_prometheus/defaults/main.yaml
+++ b/roles/openshift_prometheus/defaults/main.yaml
@@ -9,6 +9,9 @@ openshift_prometheus_node_selector: {"region":"infra"}
# additional prometheus rules file
openshift_prometheus_additional_rules_file: null
+#prometheus application arguments
+openshift_prometheus_args: ['--storage.tsdb.retention=6h', '--storage.tsdb.min-block-duration=2m']
+
# storage
# One of ['emptydir', 'pvc']
openshift_prometheus_storage_type: "emptydir"
diff --git a/roles/openshift_prometheus/templates/prometheus.j2 b/roles/openshift_prometheus/templates/prometheus.j2
index 456db3a57..e73a94eee 100644
--- a/roles/openshift_prometheus/templates/prometheus.j2
+++ b/roles/openshift_prometheus/templates/prometheus.j2
@@ -75,8 +75,9 @@ spec:
- name: prometheus
args:
- - --storage.tsdb.retention=6h
- - --storage.tsdb.min-block-duration=2m
+{% for arg in openshift_prometheus_args %}
+ - {{ arg }}
+{% endfor %}
- --config.file=/etc/prometheus/prometheus.yml
- --web.listen-address=localhost:9090
image: "{{ l_openshift_prometheus_image_prefix }}prometheus:{{ l_openshift_prometheus_image_version }}"