From 1c8025ce8df86077955185c2225d9c370cefcd70 Mon Sep 17 00:00:00 2001
From: willb <willb@linuxacademy.com>
Date: Thu, 31 May 2018 16:09:45 -0400
Subject: [PATCH 1/3] add canary deploy to pipeline

---
 Jenkinsfile                    | 23 +++++++++++++++++
 train-schedule-kube-canary.yml | 45 ++++++++++++++++++++++++++++++++++
 train-schedule-kube.yml        |  1 +
 3 files changed, 69 insertions(+)
 create mode 100644 train-schedule-kube-canary.yml

diff --git a/Jenkinsfile b/Jenkinsfile
index 7878be11..3ac7d574 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -38,13 +38,36 @@ pipeline {
                 }
             }
         }
+        stage('CanaryDeploy') {
+            when {
+                branch 'master'
+            }
+            environment { 
+                CANARY_REPLICAS = 1
+            }
+            steps {
+                kubernetesDeploy(
+                    kubeconfigId: 'kubeconfig',
+                    configs: 'train-schedule-kube-canary.yml',
+                    enableConfigSubstitution: true
+                )
+            }
+        }
         stage('DeployToProduction') {
             when {
                 branch 'master'
             }
+            environment { 
+                CANARY_REPLICAS = 0
+            }
             steps {
                 input 'Deploy to Production?'
                 milestone(1)
+                kubernetesDeploy(
+                    kubeconfigId: 'kubeconfig',
+                    configs: 'train-schedule-kube-canary.yml',
+                    enableConfigSubstitution: true
+                )
                 kubernetesDeploy(
                     kubeconfigId: 'kubeconfig',
                     configs: 'train-schedule-kube.yml',
diff --git a/train-schedule-kube-canary.yml b/train-schedule-kube-canary.yml
new file mode 100644
index 00000000..1d829372
--- /dev/null
+++ b/train-schedule-kube-canary.yml
@@ -0,0 +1,45 @@
+kind: Service
+apiVersion: v1
+metadata:
+  name: train-schedule-service-canary
+spec:
+  type: NodePort
+  selector:
+    app: train-schedule
+    track: canary
+  ports:
+  - protocol: TCP
+    port: 8080
+    nodePort: 8081
+
+---
+
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: train-schedule-deployment-canary
+  labels:
+    app: train-schedule
+spec:
+  replicas: $CANARY_REPLICAS
+  template:
+    metadata:
+      labels:
+        app: train-schedule
+        track: canary
+    spec:
+      containers:
+      - name: train-schedule
+        image: $DOCKER_IMAGE_NAME:$BUILD_NUMBER
+        ports:
+        - containerPort: 8080
+        livenessProbe:
+          httpGet:
+            path: /
+            port: 8080
+          initialDelaySeconds: 15
+          timeoutSeconds: 1
+          periodSeconds: 10
+        resources:
+          requests:
+            cpu: 200m
\ No newline at end of file
diff --git a/train-schedule-kube.yml b/train-schedule-kube.yml
index c7277658..18138567 100644
--- a/train-schedule-kube.yml
+++ b/train-schedule-kube.yml
@@ -25,6 +25,7 @@ spec:
     metadata:
       labels:
         app: train-schedule
+        track: stable
     spec:
       containers:
       - name: train-schedule

From 59088f384eb497964bba377f0349eba201bc3b32 Mon Sep 17 00:00:00 2001
From: whboyd <whboyd@users.noreply.github.com>
Date: Fri, 1 Jun 2018 12:31:51 -0400
Subject: [PATCH 2/3] Update train-schedule-kube-canary.yml

---
 train-schedule-kube-canary.yml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/train-schedule-kube-canary.yml b/train-schedule-kube-canary.yml
index 1d829372..9922ce94 100644
--- a/train-schedule-kube-canary.yml
+++ b/train-schedule-kube-canary.yml
@@ -22,6 +22,10 @@ metadata:
     app: train-schedule
 spec:
   replicas: $CANARY_REPLICAS
+  selector:
+    matchLabels:
+      app: train-schedule
+      track: canary
   template:
     metadata:
       labels:
@@ -42,4 +46,4 @@ spec:
           periodSeconds: 10
         resources:
           requests:
-            cpu: 200m
\ No newline at end of file
+            cpu: 200m

From 0f01d170a46e14f92d3c4e570806009a6400fe77 Mon Sep 17 00:00:00 2001
From: whboyd <whboyd@users.noreply.github.com>
Date: Thu, 20 Jun 2019 11:59:46 -0400
Subject: [PATCH 3/3] Update train-schedule-kube-canary.yml

---
 train-schedule-kube-canary.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/train-schedule-kube-canary.yml b/train-schedule-kube-canary.yml
index 9922ce94..697f891e 100644
--- a/train-schedule-kube-canary.yml
+++ b/train-schedule-kube-canary.yml
@@ -14,7 +14,7 @@ spec:
 
 ---
 
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: train-schedule-deployment-canary