Changes for installing loki < 6.0 with the stable channel on OCP < 4.17

Signed-off-by: Aditya Honkalas <[email protected]>

Author: AdityaHonkalas

scripts/loki/loki-released-subscription.yaml

@@ -1,10 +1,18 @@
-apiVersion: operators.coreos.com/v1alpha1
-kind: Subscription
+apiVersion: template.openshift.io/v1
+kind: Template
 metadata:
-  name: loki-operator
-  namespace: openshift-operators-redhat
-spec:
-  channel: stable-6.0
-  name: loki-operator
-  source: redhat-operators
-  sourceNamespace: openshift-marketplace
+  name: loki-released-subcription-template
+objects:
+- apiVersion: operators.coreos.com/v1alpha1
+  kind: Subscription
+  metadata:
+    name: loki-operator
+    namespace: openshift-operators-redhat
+  spec:
+    channel: "${{LokiChannel}}"
+    name: loki-operator
+    source: redhat-operators
+    sourceNamespace: openshift-marketplace
+parameters:
+  - name: LokiChannel
+    value: "stable-6.0"

scripts/loki/loki-unreleased-subscription.yaml

@@ -1,10 +1,18 @@
-apiVersion: operators.coreos.com/v1alpha1
-kind: Subscription
+apiVersion: template.openshift.io/v1
+kind: Template
 metadata:
-  name: loki-operator
-  namespace: openshift-operators-redhat
-spec:
-  channel: stable-6.0
-  name: loki-operator
-  source: netobserv-downstream-testing
-  sourceNamespace: openshift-marketplace
+  name: loki-unreleased-subscription-template
+objects:
+  - apiVersion: operators.coreos.com/v1alpha1
+    kind: Subscription
+    metadata:
+      name: loki-operator
+      namespace: openshift-operators-redhat
+    spec:
+      channel: "${{LokiChannel}}"
+      name: loki-operator
+      source: netobserv-downstream-testing
+      sourceNamespace: openshift-marketplace
+parameters:
+  - name: LokiChannel
+    value: "stable-6.0"

scripts/netobserv.sh

@@ -105,12 +105,24 @@ deploy_lokistack() {
   echo "====> Creating openshift-operators-redhat Namespace and OperatorGroup"
   oc apply -f $SCRIPTS_DIR/loki/loki-operatorgroup.yaml
 
+  echo "====> Check the OCP release version:"
+  oc_minor_version=$(oc get clusterversion --no-headers | awk '{ print $2 }' | cut -d'.' -f2 -)
+
+  if [[ $(($oc_minor_version)) -ge 17 ]];
+  then
+    loki_channel="stable-6.0" ; echo "=====> Deploying the Loki with stable-6.0 channel..."
+  else
+    loki_channel="stable" ; echo "=====> Deploying the Loki with the stable channel..."
+  fi
+
   echo "====> Creating netobserv-downstream-testing CatalogSource (if applicable) and Loki Operator Subscription"
   if [[ $LOKI_OPERATOR == "Released" ]]; then
-    oc apply -f $SCRIPTS_DIR/loki/loki-released-subscription.yaml
+    oc process --ignore-unknown-parameters=true -f $SCRIPTS_DIR/loki/loki-released-subscription.yaml -p LokiChannel=$loki_channel -o yaml > /tmp/loki-released-subscription.yaml
+    oc apply -f /tmp/loki-released-subscription.yaml -n openshift-operators-redhat
   elif [[ $LOKI_OPERATOR == "Unreleased" ]]; then
     deploy_downstream_catalogsource
-    oc apply -f $SCRIPTS_DIR/loki/loki-unreleased-subscription.yaml
+    oc process --ignore-unknown-parameters=true -f $SCRIPTS_DIR/loki/loki-unreleased-subscription.yaml -p LokiChannel=$loki_channel -o yaml > /tmp/loki-unreleased-subscription.yaml
+    oc apply -f /tmp/loki-unreleased-subscription.yaml -n openshift-operators-redhat
   else
     echo "====> No Loki Operator config was found - using 'Released'"
     echo "====> To set config, set LOKI_OPERATOR variable to either 'Released' or 'Unreleased'"