Add a workflow to execute single node openshift e2e test on GCP

ci-operator/config/openshift/machine-config-operator/openshift-machine-config-operator-master.yaml

@@ -177,6 +177,10 @@ tests:
   steps:
     cluster_profile: aws
     workflow: openshift-e2e-aws-single-node
+- as: e2e-gcp-single-node
+  steps:
+    cluster_profile: gcp
+    workflow: openshift-e2e-gcp-single-node
 zz_generated_metadata:
   branch: master
   org: openshift

ci-operator/jobs/openshift/machine-config-operator/openshift-machine-config-operator-master-presubmits.yaml

@@ -685,6 +685,75 @@ presubmits:
         secret:
           secretName: result-aggregator
     trigger: (?m)^/test( | .* )e2e-gcp-op,?($|\s.*)
+  - agent: kubernetes
+    always_run: false
+    branches:
+    - master
+    cluster: build01
+    context: ci/prow/e2e-gcp-single-node
+    decorate: true
+    decoration_config:
+      skip_cloning: true
+    labels:
+      ci-operator.openshift.io/prowgen-controlled: "true"
+      pj-rehearse.openshift.io/can-be-rehearsed: "true"
+    name: pull-ci-openshift-machine-config-operator-master-e2e-gcp-single-node
+    optional: true
+    rerun_command: /test e2e-gcp-single-node
+    spec:
+      containers:
+      - args:
+        - --gcs-upload-secret=/secrets/gcs/service-account.json
+        - --image-import-pull-secret=/etc/pull-secret/.dockerconfigjson
+        - --lease-server-credentials-file=/etc/boskos/credentials
+        - --report-credentials-file=/etc/report/credentials
+        - --secret-dir=/usr/local/e2e-gcp-single-node-cluster-profile
+        - --target=e2e-gcp-single-node
+        command:
+        - ci-operator
+        image: ci-operator:latest
+        imagePullPolicy: Always
+        name: ""
+        resources:
+          requests:
+            cpu: 10m
+        volumeMounts:
+        - mountPath: /etc/boskos
+          name: boskos
+          readOnly: true
+        - mountPath: /usr/local/e2e-gcp-single-node-cluster-profile
+          name: cluster-profile
+        - mountPath: /secrets/gcs
+          name: gcs-credentials
+          readOnly: true
+        - mountPath: /etc/pull-secret
+          name: pull-secret
+          readOnly: true
+        - mountPath: /etc/report
+          name: result-aggregator
+          readOnly: true
+      serviceAccountName: ci-operator
+      volumes:
+      - name: boskos
+        secret:
+          items:
+          - key: credentials
+            path: credentials
+          secretName: boskos-credentials
+      - name: cluster-profile
+        projected:
+          sources:
+          - secret:
+              name: cluster-secrets-gcp
+          - configMap:
+              name: cluster-profile-gcp
+      - name: pull-secret
+        secret:
+          secretName: registry-pull-credentials
+      - name: result-aggregator
+        secret:
+          secretName: result-aggregator
+    trigger: (?m)^/test( | .* )e2e-gcp-single-node,?($|\s.*)
   - agent: kubernetes
     always_run: false
     branches:

ci-operator/step-registry/openshift/e2e/aws/single-node/openshift-e2e-aws-single-node-workflow.yaml

@@ -3,7 +3,7 @@ workflow:
   steps:
     pre:
     - chain: ipi-conf-aws
-    - ref: single-node-conf
+    - ref: single-node-conf-aws
     - chain: ipi-install
     test:
     - ref: openshift-e2e-test

ci-operator/step-registry/openshift/e2e/gcp/single-node/OWNERS

@@ -0,0 +1,7 @@
+approvers:
+- romfreiman
+- eranco74
+- tsorya
+- osherdp
+- yuvigold
+- omertuc

ci-operator/step-registry/openshift/e2e/gcp/single-node/openshift-e2e-gcp-single-node-workflow.metadata.json

@@ -0,0 +1,13 @@
+{
+	"path": "openshift/e2e/gcp/single-node/openshift-e2e-gcp-single-node-workflow.yaml",
+	"owners": {
+		"approvers": [
+			"romfreiman",
+			"eranco74",
+			"tsorya",
+			"osherdp",
+			"yuvigold",
+			"omertuc"
+		]
+	}
+}

ci-operator/step-registry/openshift/e2e/gcp/single-node/openshift-e2e-gcp-single-node-workflow.yaml

@@ -0,0 +1,15 @@
+workflow:
+  as: openshift-e2e-gcp-single-node
+  steps:
+    pre:
+    - chain: ipi-conf-gcp
+    - ref: single-node-conf-gcp
+    - chain: ipi-install
+    test:
+    - ref: openshift-e2e-test
+    post:
+    - chain: gather-network
+    - chain: gather-core-dump
+    - chain: ipi-deprovision
+  documentation: |-
+    The Openshift E2E Single Node workflow executes the common end-to-end test suite with the a single node cluster.

ci-operator/step-registry/single-node/conf/aws/OWNERS

@@ -0,0 +1,7 @@
+approvers:
+- romfreiman
+- eranco74
+- tsorya
+- osherdp
+- yuvigold
+- omertuc

ci-operator/step-registry/single-node/conf/single-node-conf-commands.sh → ci-operator/step-registry/single-node/conf/aws/single-node-conf-aws-commands.sh

@@ -26,8 +26,9 @@ if not "controlPlane" in cfg:
 cfg["controlPlane"]["replicas"] = 1
 
 # Single Node Openshift requires extra memory and compute resources
-assert "aws" in cfg["controlPlane"]["platform"], "Only AWS single-node is supported for now"
-cfg["controlPlane"]["platform"]["aws"]["type"] = "'${SINGLE_NODE_AWS_INSTANCE_TYPE}'"
+platform = cfg["controlPlane"]["platform"]
+assert "aws" in platform
+platform["aws"]["type"] = "'${SINGLE_NODE_AWS_INSTANCE_TYPE}'"
 
 # Some workflows do not define any compute machine pools in install-config.yaml
 if not "compute" in cfg:

ci-operator/step-registry/single-node/conf/single-node-conf-ref.metadata.json → ci-operator/step-registry/single-node/conf/aws/single-node-conf-aws-ref.metadata.json

@@ -1,5 +1,5 @@
 {
-	"path": "single-node/conf/single-node-conf-ref.yaml",
+	"path": "single-node/conf/aws/single-node-conf-aws-ref.yaml",
 	"owners": {
 		"approvers": [
 			"romfreiman",

ci-operator/step-registry/single-node/conf/single-node-conf-ref.yaml → ci-operator/step-registry/single-node/conf/aws/single-node-conf-aws-ref.yaml

@@ -1,7 +1,7 @@
 ref:
-  as: single-node-conf
+  as: single-node-conf-aws
   from: installer
-  commands: single-node-conf-commands.sh
+  commands: single-node-conf-aws-commands.sh
   resources:
     requests:
       cpu: 10m

ci-operator/step-registry/single-node/conf/gcp/OWNERS

@@ -0,0 +1,7 @@
+approvers:
+- romfreiman
+- eranco74
+- tsorya
+- osherdp
+- yuvigold
+- omertuc

ci-operator/step-registry/single-node/conf/gcp/single-node-conf-gcp-commands.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+SINGLE_NODE_GCP_INSTANCE_TYPE="n1-standard-16"
+
+echo "Updating install-config.yaml to a single ${SINGLE_NODE_GCP_INSTANCE_TYPE} control plane node and 0 workers"
+
+pip3 install pyyaml --user
+python3 -c '
+import yaml
+import sys
+
+input_file = sys.argv[1]
+output_file = sys.argv[2] if len(sys.argv) == 3 else sys.argv[1]  # Output in-place if destination not given
+
+with open(input_file) as f:
+    cfg = yaml.safe_load(f)
+
+# Some workflows do not define controlPlane in install-config.yaml
+if not "controlPlane" in cfg:
+  cfg["controlPlane"] = {}
+
+cfg["controlPlane"]["replicas"] = 1
+
+# Single Node Openshift requires extra memory and compute resources
+platform = cfg["controlPlane"]["platform"]
+assert "gcp" in platform
+platform["gcp"]["type"] = "'${SINGLE_NODE_GCP_INSTANCE_TYPE}'"
+
+# Some workflows do not define any compute machine pools in install-config.yaml
+if not "compute" in cfg:
+    cfg["compute"] = [
+        {
+            "name": "worker",
+            "platform": {},
+        }
+    ]
+
+for machine_pool in cfg["compute"]:
+    machine_pool["replicas"] = 0
+
+with open(output_file, "w") as f:
+    yaml.safe_dump(cfg, f)
+' "${SHARED_DIR}/install-config.yaml"
+

ci-operator/step-registry/single-node/conf/gcp/single-node-conf-gcp-ref.metadata.json

@@ -0,0 +1,13 @@
+{
+	"path": "single-node/conf/gcp/single-node-conf-gcp-ref.yaml",
+	"owners": {
+		"approvers": [
+			"romfreiman",
+			"eranco74",
+			"tsorya",
+			"osherdp",
+			"yuvigold",
+			"omertuc"
+		]
+	}
+}

ci-operator/step-registry/single-node/conf/gcp/single-node-conf-gcp-ref.yaml

@@ -0,0 +1,10 @@
+ref:
+  as: single-node-conf-gcp
+  from: installer
+  commands: single-node-conf-gcp-commands.sh
+  resources:
+    requests:
+      cpu: 10m
+      memory: 100Mi
+  documentation: |-
+    Modifies install-config.yaml to use a single control-plane node and without any workers.