From 326cc4a06b2cb5ac99797d3f04c2d4c48b8692e2 Mon Sep 17 00:00:00 2001
From: Andreas <49288593+asamonik@users.noreply.github.com>
Date: Thu, 25 Jul 2024 16:26:06 +0200
Subject: [PATCH] feat(health): Added KeptnMetric (#19210)

Signed-off-by: asamonik <49288593+asamonik@users.noreply.github.com>
---
 .../metrics.keptn.sh/KeptnMetric/health.lua   | 14 +++++++++++
 .../KeptnMetric/health_test.yaml              | 17 +++++++++++++
 .../KeptnMetric/testdata/degraded.yaml        | 24 +++++++++++++++++++
 .../KeptnMetric/testdata/healthy.yaml         | 22 +++++++++++++++++
 .../testdata/healthy_empty_error.yaml         | 23 ++++++++++++++++++
 .../KeptnMetric/testdata/progressing.yaml     | 21 ++++++++++++++++
 6 files changed, 121 insertions(+)
 create mode 100644 resource_customizations/metrics.keptn.sh/KeptnMetric/health.lua
 create mode 100644 resource_customizations/metrics.keptn.sh/KeptnMetric/health_test.yaml
 create mode 100644 resource_customizations/metrics.keptn.sh/KeptnMetric/testdata/degraded.yaml
 create mode 100644 resource_customizations/metrics.keptn.sh/KeptnMetric/testdata/healthy.yaml
 create mode 100644 resource_customizations/metrics.keptn.sh/KeptnMetric/testdata/healthy_empty_error.yaml
 create mode 100644 resource_customizations/metrics.keptn.sh/KeptnMetric/testdata/progressing.yaml

diff --git a/resource_customizations/metrics.keptn.sh/KeptnMetric/health.lua b/resource_customizations/metrics.keptn.sh/KeptnMetric/health.lua
new file mode 100644
index 0000000000..0275f503c4
--- /dev/null
+++ b/resource_customizations/metrics.keptn.sh/KeptnMetric/health.lua
@@ -0,0 +1,14 @@
+local hs = {}
+if (obj.status.errMsg == nil or obj.status.errMsg == "") and obj.status.value ~= nil then
+    hs.status = "Healthy"
+    hs.message = "KeptnMetric is healthy"
+    return hs
+end
+if obj.status.errMsg ~= nil and obj.status.errMsg ~= "" then
+    hs.status = "Degraded"
+    hs.message = "KeptnMetric is degraded"
+    return hs
+end
+hs.status = "Progressing"
+hs.message = "KeptnMetric is progressing"
+return hs
diff --git a/resource_customizations/metrics.keptn.sh/KeptnMetric/health_test.yaml b/resource_customizations/metrics.keptn.sh/KeptnMetric/health_test.yaml
new file mode 100644
index 0000000000..0f170f6f5f
--- /dev/null
+++ b/resource_customizations/metrics.keptn.sh/KeptnMetric/health_test.yaml
@@ -0,0 +1,17 @@
+tests:
+  - healthStatus:
+      status: Progressing
+      message: "KeptnMetric is progressing"
+    inputPath: testdata/progressing.yaml
+  - healthStatus:
+      status: Degraded
+      message: "KeptnMetric is degraded"
+    inputPath: testdata/degraded.yaml
+  - healthStatus:
+      status: Healthy
+      message: "KeptnMetric is healthy"
+    inputPath: testdata/healthy.yaml
+  - healthStatus:
+      status: Healthy
+      message: "KeptnMetric is healthy"
+    inputPath: testdata/healthy_empty_error.yaml
diff --git a/resource_customizations/metrics.keptn.sh/KeptnMetric/testdata/degraded.yaml b/resource_customizations/metrics.keptn.sh/KeptnMetric/testdata/degraded.yaml
new file mode 100644
index 0000000000..cdd429bb82
--- /dev/null
+++ b/resource_customizations/metrics.keptn.sh/KeptnMetric/testdata/degraded.yaml
@@ -0,0 +1,24 @@
+apiVersion: metrics.keptn.sh/v1
+kind: KeptnMetric
+metadata:
+  annotations:
+    kubectl.kubernetes.io/last-applied-configuration: >
+      {"apiVersion":"metrics.keptn.sh/v1","kind":"KeptnMetric","metadata":{"annotations":{},"labels":{"app.kubernetes.io/instance":"podtato-head"},"name":"available-cpus","namespace":"podtato-kubectl"},"spec":{"fetchIntervalSeconds":10,"provider":{"name":"my-provider"},"query":"sum(kube_node_status_capacity{resource='cpu'})"}}
+  creationTimestamp: '2024-07-16T07:34:42Z'
+  generation: 1
+  labels:
+    app.kubernetes.io/instance: podtato-head
+  name: available-cpus
+  namespace: podtato-kubectl
+  resourceVersion: '405403'
+  uid: c448a014-b6b6-45a4-91ff-89949b9d0fce
+spec:
+  fetchIntervalSeconds: 10
+  provider:
+    name: my-provider
+  query: sum(kube_node_status_capacity{resource='cpu'})
+status:
+  errMsg: >-
+    Post "http://prometheus-k8s.monitoring.svc.cluster.local:9090/api/v1/query":
+    dial tcp: lookup prometheus-k8s.monitoring.svc.cluster.local on
+  lastUpdated: '2024-07-23T12:49:44Z'
diff --git a/resource_customizations/metrics.keptn.sh/KeptnMetric/testdata/healthy.yaml b/resource_customizations/metrics.keptn.sh/KeptnMetric/testdata/healthy.yaml
new file mode 100644
index 0000000000..2c5ecad045
--- /dev/null
+++ b/resource_customizations/metrics.keptn.sh/KeptnMetric/testdata/healthy.yaml
@@ -0,0 +1,22 @@
+apiVersion: metrics.keptn.sh/v1
+kind: KeptnMetric
+metadata:
+  annotations:
+    kubectl.kubernetes.io/last-applied-configuration: >
+      {"apiVersion":"metrics.keptn.sh/v1","kind":"KeptnMetric","metadata":{"annotations":{},"labels":{"app.kubernetes.io/instance":"podtato-head"},"name":"available-cpus","namespace":"podtato-kubectl"},"spec":{"fetchIntervalSeconds":10,"provider":{"name":"my-provider"},"query":"sum(kube_node_status_capacity{resource='cpu'})"}}
+  creationTimestamp: '2024-07-16T07:34:42Z'
+  generation: 1
+  labels:
+    app.kubernetes.io/instance: podtato-head
+  name: available-cpus
+  namespace: podtato-kubectl
+  resourceVersion: '405403'
+  uid: c448a014-b6b6-45a4-91ff-89949b9d0fce
+spec:
+  fetchIntervalSeconds: 10
+  provider:
+    name: my-provider
+  query: sum(kube_node_status_capacity{resource='cpu'})
+status:
+  value: '100'
+  lastUpdated: '2024-07-23T12:49:44Z'
diff --git a/resource_customizations/metrics.keptn.sh/KeptnMetric/testdata/healthy_empty_error.yaml b/resource_customizations/metrics.keptn.sh/KeptnMetric/testdata/healthy_empty_error.yaml
new file mode 100644
index 0000000000..758ccf9170
--- /dev/null
+++ b/resource_customizations/metrics.keptn.sh/KeptnMetric/testdata/healthy_empty_error.yaml
@@ -0,0 +1,23 @@
+apiVersion: metrics.keptn.sh/v1
+kind: KeptnMetric
+metadata:
+  annotations:
+    kubectl.kubernetes.io/last-applied-configuration: >
+      {"apiVersion":"metrics.keptn.sh/v1","kind":"KeptnMetric","metadata":{"annotations":{},"labels":{"app.kubernetes.io/instance":"podtato-head"},"name":"available-cpus","namespace":"podtato-kubectl"},"spec":{"fetchIntervalSeconds":10,"provider":{"name":"my-provider"},"query":"sum(kube_node_status_capacity{resource='cpu'})"}}
+  creationTimestamp: '2024-07-16T07:34:42Z'
+  generation: 1
+  labels:
+    app.kubernetes.io/instance: podtato-head
+  name: available-cpus
+  namespace: podtato-kubectl
+  resourceVersion: '405403'
+  uid: c448a014-b6b6-45a4-91ff-89949b9d0fce
+spec:
+  fetchIntervalSeconds: 10
+  provider:
+    name: my-provider
+  query: sum(kube_node_status_capacity{resource='cpu'})
+status:
+  errMsg: ""
+  value: 100
+  lastUpdated: '2024-07-23T12:49:44Z'
diff --git a/resource_customizations/metrics.keptn.sh/KeptnMetric/testdata/progressing.yaml b/resource_customizations/metrics.keptn.sh/KeptnMetric/testdata/progressing.yaml
new file mode 100644
index 0000000000..71f219fbae
--- /dev/null
+++ b/resource_customizations/metrics.keptn.sh/KeptnMetric/testdata/progressing.yaml
@@ -0,0 +1,21 @@
+apiVersion: metrics.keptn.sh/v1
+kind: KeptnMetric
+metadata:
+  annotations:
+    kubectl.kubernetes.io/last-applied-configuration: >
+      {"apiVersion":"metrics.keptn.sh/v1","kind":"KeptnMetric","metadata":{"annotations":{},"labels":{"app.kubernetes.io/instance":"podtato-head"},"name":"available-cpus","namespace":"podtato-kubectl"},"spec":{"fetchIntervalSeconds":10,"provider":{"name":"my-provider"},"query":"sum(kube_node_status_capacity{resource='cpu'})"}}
+  creationTimestamp: '2024-07-16T07:34:42Z'
+  generation: 1
+  labels:
+    app.kubernetes.io/instance: podtato-head
+  name: available-cpus
+  namespace: podtato-kubectl
+  resourceVersion: '405403'
+  uid: c448a014-b6b6-45a4-91ff-89949b9d0fce
+spec:
+  fetchIntervalSeconds: 10
+  provider:
+    name: my-provider
+  query: sum(kube_node_status_capacity{resource='cpu'})
+status:
+  lastUpdated: '2024-07-23T12:49:44Z'