feat: Confluent Connector Resource Health Checker - #17695 (#17697)

* Adding Synergy as a ArgoCD user

Signed-off-by: GitHub <noreply@github.com>

* Health checking Kafka Connector resources

Signed-off-by: Clint Chester <clint.chester@synergy.net.au>

* Includes Kafka Connect Task Failures

Signed-off-by: Clint Chester <clint.chester@synergy.net.au>

---------

Signed-off-by: GitHub <noreply@github.com>
Signed-off-by: Clint Chester <clint.chester@synergy.net.au>

Author: Clint-Chester

USERS.md

@@ -335,6 +335,7 @@ Currently, the following organizations are **officially** using Argo CD:
 1. [Swisscom](https://www.swisscom.ch)
 1. [Swissquote](https://github.com/swissquote)
 1. [Syncier](https://syncier.com/)
+1. [Synergy](https://synergy.net.au)
 1. [Syself](https://syself.com)
 1. [TableCheck](https://tablecheck.com/)
 1. [Tailor Brands](https://www.tailorbrands.com)

resource_customizations/platform.confluent.io/Connector/health.lua

@@ -0,0 +1,25 @@
+hs = {}
+if obj.status ~= nil and obj.status.state ~= nil then
+    if obj.status.state == "CREATED" and obj.status.connectorState == "RUNNING" and obj.status.failedTasksCount == nil then
+        hs.status = "Healthy"
+        hs.message = "Connector running"
+        return hs
+    end
+    if obj.status.state == "ERROR" then
+        hs.status = "Degraded"
+        if obj.status.conditions and #obj.status.conditions > 0 then
+            hs.message = obj.status.conditions[1].message -- Kafka Connector only has one condition and nests the issues in the error message here
+        else
+            hs.message = "No conditions available"
+        end
+        return hs
+    end
+    if obj.status.failedTasksCount ~= nil and obj.status.failedTasksCount > 0 then
+        hs.status = "Degraded"
+        hs.message = "Connector has failed tasks"
+        return hs
+    end
+end
+hs.status = "Progressing"
+hs.message = "Waiting for Kafka Connector"
+return hs

resource_customizations/platform.confluent.io/Connector/health_test.yaml

@@ -0,0 +1,13 @@
+tests:
+  - healthStatus:
+      status: Healthy
+      message: 'Connector running'
+    inputPath: testdata/connector-healthy.yaml
+  - healthStatus:
+      status: Degraded
+      message: 'connect Rest API request failed: Connector configuration is invalid and contains the following 1 error(s): Could not read properties from file'
+    inputPath: testdata/connector-failure.yaml
+  - healthStatus:
+      status: Degraded
+      message: 'Connector has failed tasks'
+    inputPath: testdata/connector-task-failure.yaml

resource_customizations/platform.confluent.io/Connector/testdata/connector-failure.yaml

@@ -0,0 +1,27 @@
+apiVersion: platform.confluent.io/v1beta1
+kind: Connector
+metadata:
+  finalizers:
+    - connect.finalizers.platform.confluent.io
+  generation: 1
+  name: connect
+  namespace: confluent
+spec:
+  class: io.confluent.connect.sftp.SftpSinkConnector
+  configs:
+    topics: test-topic
+  connectClusterRef:
+    name: connect
+  name: test-sftp-connector
+  taskMax: 3
+status:
+  appState: Failed
+  conditions:
+    - lastProbeTime: '2024-04-02T07:43:35Z'
+      lastTransitionTime: '2024-04-02T07:43:35Z'
+      message: >-
+        connect Rest API request failed: Connector configuration is invalid and contains the following 1 error(s): Could not read properties from file
+      reason: CreateFailed
+      status: 'False'
+      type: platform.confluent.io/app-ready
+  state: ERROR

resource_customizations/platform.confluent.io/Connector/testdata/connector-healthy.yaml

@@ -0,0 +1,31 @@
+apiVersion: platform.confluent.io/v1beta1
+kind: Connector
+metadata:
+  finalizers:
+    - connect.finalizers.platform.confluent.io
+  generation: 1
+  name: connect
+  namespace: confluent
+spec:
+  class: io.confluent.connect.sftp.SftpSinkConnector
+  configs:
+    topics: test-topic
+  connectClusterRef:
+    name: connect
+  name: test-sftp-connector
+  taskMax: 3
+status:
+  appState: Created
+  conditions:
+    - lastProbeTime: '2024-04-02T07:43:35Z'
+      lastTransitionTime: '2024-04-02T07:43:35Z'
+      message: Application is created
+      reason: Created
+      status: 'True'
+      type: platform.confluent.io/app-ready
+  connectorState: RUNNING
+  restartPolicy:
+    maxRetry: 10
+    type: OnFailure
+  state: CREATED
+  tasksReady: 3/3

resource_customizations/platform.confluent.io/Connector/testdata/connector-task-failure.yaml

@@ -0,0 +1,37 @@
+apiVersion: platform.confluent.io/v1beta1
+kind: Connector
+metadata:
+  finalizers:
+    - connect.finalizers.platform.confluent.io
+  generation: 1
+  name: connect
+  namespace: confluent
+spec:
+  class: io.confluent.connect.sftp.SftpSinkConnector
+  configs:
+    topics: test-topic
+  connectClusterRef:
+    name: connect
+  name: test-sftp-connector
+  taskMax: 3
+status:
+  appState: Unknown
+  conditions:
+    - lastProbeTime: '2024-01-19T06:42:40Z'
+      lastTransitionTime: '2024-01-19T06:42:40Z'
+      message: Application is created
+      reason: Created
+      status: 'True'
+      type: platform.confluent.io/app-ready
+  connectorState: RUNNING
+  failedTasks:
+    task-0:
+      id: 0
+      retryCount: 10
+  failedTasksCount: 1
+  observedGeneration: 1
+  restartPolicy:
+    maxRetry: 10
+    type: OnFailure
+  state: CREATED
+  tasksReady: 0/1