Split prometheus image defaults to prefix and version

To allow easier testing and deployment from different repos, image defaults were split to prefix and version that can be set externally.

bz: https://bugzilla.redhat.com/show_bug.cgi?id=1493431

3 files changed, 17 insertions, 11 deletions

diff --git a/roles/openshift_prometheus/README.md b/roles/openshift_prometheus/README.md
index 07ea0299d..b51da34a5 100644
--- a/roles/openshift_prometheus/README.md
+++ b/roles/openshift_prometheus/README.md
@@ -19,7 +19,9 @@ For default values, see [`defaults/main.yaml`](defaults/main.yaml).
 
 - `openshift_prometheus_node_selector`: Selector for the nodes prometheus will be deployed on.
 
-- `openshift_prometheus_image_<COMPONENT>`: specify image for the component 
+- `openshift_prometheus_<COMPONENT>_image_prefix`: specify image prefix for the component 
+
+- `openshift_prometheus_<COMPONENT>_image_version`: specify image version for the component 
 
 ## 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 f6ff7ce22..9dc1ef289 100644
--- a/roles/openshift_prometheus/defaults/main.yaml
+++ b/roles/openshift_prometheus/defaults/main.yaml
@@ -6,11 +6,15 @@ openshift_prometheus_namespace: prometheus
 
 openshift_prometheus_node_selector: {"region":"infra"}
 
-# images
-openshift_prometheus_image_proxy: "openshift/oauth-proxy:v1.0.0"
-openshift_prometheus_image_prometheus: "openshift/prometheus:v2.0.0-dev.3"
-openshift_prometheus_image_alertmanager: "openshift/prometheus-alertmanager:v0.9.1"
-openshift_prometheus_image_alertbuffer: "openshift/prometheus-alert-buffer:v0.0.2"
+# image defaults
+openshift_prometheus_image_prefix: "openshift/"
+openshift_prometheus_image_version: "v2.0.0-dev.3"
+openshift_prometheus_proxy_image_prefix: "openshift/"
+openshift_prometheus_proxy_image_version: "v1.0.0"
+openshift_prometheus_alertmanager_image_prefix: "openshift/"
+openshift_prometheus_alertmanager_image_version: "v0.9.1"
+openshift_prometheus_alertbuffer_image_prefix: "openshift/"
+openshift_prometheus_alertbuffer_image_version: "v0.0.2"
 
 # additional prometheus rules file
 openshift_prometheus_additional_rules_file: null
diff --git a/roles/openshift_prometheus/templates/prometheus.j2 b/roles/openshift_prometheus/templates/prometheus.j2
index 81f043491..916c57aa2 100644
--- a/roles/openshift_prometheus/templates/prometheus.j2
+++ b/roles/openshift_prometheus/templates/prometheus.j2
@@ -29,7 +29,7 @@ spec:
       containers:
       # Deploy Prometheus behind an oauth proxy
       - name: prom-proxy
-        image: "{{ openshift_prometheus_image_proxy }}"
+        image: "{{openshift_prometheus_proxy_image_prefix}}oauth-proxy:{{openshift_prometheus_proxy_image_version}}"
         imagePullPolicy: IfNotPresent
         resources:
           requests:
@@ -79,7 +79,7 @@ spec:
         - --storage.tsdb.min-block-duration=2m
         - --config.file=/etc/prometheus/prometheus.yml
         - --web.listen-address=localhost:9090
-        image: "{{ openshift_prometheus_image_prometheus }}"
+        image: "{{openshift_prometheus_image_prefix}}prometheus:{{openshift_prometheus_image_version}}"
         imagePullPolicy: IfNotPresent
         resources:
           requests:
@@ -105,7 +105,7 @@ spec:
 
       # Deploy alertmanager behind prometheus-alert-buffer behind an oauth proxy
       - name: alerts-proxy
-        image: "{{ openshift_prometheus_image_proxy }}"
+        image: "{{openshift_prometheus_proxy_image_prefix}}oauth-proxy:{{openshift_prometheus_proxy_image_version}}"
         imagePullPolicy: IfNotPresent
         resources:
           requests:
@@ -149,7 +149,7 @@ spec:
       - name: alert-buffer
         args:
         - --storage-path=/alert-buffer/messages.db
-        image: "{{ openshift_prometheus_image_alertbuffer }}"
+        image: "{{openshift_prometheus_alertbuffer_image_prefix}}prometheus-alert-buffer:{{openshift_prometheus_alertbuffer_image_version}}"
         imagePullPolicy: IfNotPresent
         resources:
           requests:
@@ -176,7 +176,7 @@ spec:
       - name: alertmanager
         args:
         - -config.file=/etc/alertmanager/alertmanager.yml
-        image: "{{ openshift_prometheus_image_alertmanager }}"
+        image: "{{openshift_prometheus_alertmanager_image_prefix}}prometheus-alertmanager:{{openshift_prometheus_alertmanager_image_version}}"
         imagePullPolicy: IfNotPresent
         resources:
           requests: