Chapter 11 & 12 updates

Signed-off-by: Lachlan Evenson <lachlan.evenson@gmail.com>

11-1-fluentd.yaml

@@ -0,0 +1,38 @@
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: fluentd
+  labels:
+    app: fluentd
+spec:
+  selector:
+    matchLabels:
+      app: fluentd
+  template:
+    metadata:
+      labels:
+        app: fluentd
+    spec:
+      containers:
+      - name: fluentd
+        image: fluent/fluentd:v0.14.10
+        resources:
+          limits:
+            memory: 200Mi
+          requests:
+            cpu: 100m
+            memory: 200Mi
+        volumeMounts:
+        - name: varlog
+          mountPath: /var/log
+        - name: varlibdockercontainers
+          mountPath: /var/lib/docker/containers
+          readOnly: true
+      terminationGracePeriodSeconds: 30
+      volumes:
+      - name: varlog
+        hostPath:
+          path: /var/log
+      - name: varlibdockercontainers
+        hostPath:
+          path: /var/lib/docker/containers

11-1-simple-config.txt

@@ -1,3 +0,0 @@
-# This is a sample config file that I might use to configure an application
-parameter1 = value1
-parameter2 = value2

11-2-kuard-config.yaml

@@ -1,31 +0,0 @@
-apiVersion: v1
-kind: Pod
-metadata:
-  name: kuard-config
-spec:
-  containers:
-    - name: test-container
-      image: gcr.io/kuar-demo/kuard-amd64:1
-      imagePullPolicy: Always
-      command:
-        - "/kuard"
-        - "$(EXTRA_PARAM)"
-      env:
-        - name: ANOTHER_PARAM
-          valueFrom:
-            configMapKeyRef:
-              name: my-config
-              key: another-param
-        - name: EXTRA_PARAM
-          valueFrom:
-            configMapKeyRef:
-              name: my-config
-              key: extra-param
-      volumeMounts:
-        - name: config-volume
-          mountPath: /config
-  volumes:
-    - name: config-volume
-      configMap:
-        name: my-config
-  restartPolicy: Never

11-2-nginx-fast-storage.yaml

@@ -0,0 +1,23 @@
+apiVersion: apps/v1
+kind: 1DaemonSet
+metadata:
+  labels:
+    app: nginx
+    ssd: "true"
+  name: nginx-fast-storage
+spec:
+  selector:
+    matchLabels:
+      app: nginx
+      ssd: "true"
+  template:
+    metadata:
+      labels:
+        app: nginx
+        ssd: "true"
+    spec:
+      nodeSelector:
+        ssd: "true"
+      containers:
+        - name: nginx
+          image: nginx:1.10.0

11-3-kuard-secret.yaml

@@ -1,17 +0,0 @@
-apiVersion: v1
-kind: Pod
-metadata:
-  name: kuard-tls
-spec:
-  containers:
-    - name: kuard-tls
-      image: gcr.io/kuar-demo/kuard-amd64:1
-      imagePullPolicy: Always
-      volumeMounts:
-      - name: tls-certs
-        mountPath: "/tls"
-        readOnly: true
-  volumes:
-    - name: tls-certs
-      secret:
-        secretName: kuard-tls

11-4-kuard-secret-ips.yaml

@@ -1,19 +0,0 @@
-apiVersion: v1
-kind: Pod
-metadata:
-  name: kuard-tls
-spec:
-  containers:
-    - name: kuard-tls
-      image: gcr.io/kuar-demo/kuard-amd64:1
-      imagePullPolicy: Always
-      volumeMounts:
-      - name: tls-certs
-        mountPath: "/tls"
-        readOnly: true
-  imagePullSecrets:
-  - name:  my-image-pull-secret
-  volumes:
-    - name: tls-certs
-      secret:
-        secretName: kuard-tls

12-1-job-oneshot.yaml

@@ -0,0 +1,18 @@
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: oneshot
+spec:
+  template:
+    spec:
+      containers:
+      - name: kuard
+        image: gcr.io/kuar-demo/kuard-amd64:blue
+        imagePullPolicy: Always
+        command:
+        - "/kuard"
+        args:
+        - "--keygen-enable"
+        - "--keygen-exit-on-complete"
+        - "--keygen-num-to-gen=10"
+      restartPolicy: OnFailure

12-2-job-oneshot-failure1.yaml

@@ -0,0 +1,24 @@
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: oneshot
+  labels:
+    chapter: jobs
+spec:
+  template:
+    metadata:
+      labels:
+        chapter: jobs
+    spec:
+      containers:
+      - name: kuard
+        image: gcr.io/kuar-demo/kuard-amd64:blue
+        imagePullPolicy: Always
+        command:
+        - "/kuard"
+        args:
+        - "--keygen-enable"
+        - "--keygen-exit-on-complete"
+        - "--keygen-exit-code=1"
+        - "--keygen-num-to-gen=3"
+      restartPolicy: OnFailure

12-3-job-parallel.yaml

@@ -0,0 +1,25 @@
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: parallel
+  labels:
+    chapter: jobs
+spec:
+  parallelism: 5
+  completions: 10
+  template:
+    metadata:
+      labels:
+        chapter: jobs
+    spec:
+      containers:
+      - name: kuard
+        image: gcr.io/kuar-demo/kuard-amd64:blue
+        imagePullPolicy: Always
+        command:
+        - "/kuard"
+        args:
+        - "--keygen-enable"
+        - "--keygen-exit-on-complete"
+        - "--keygen-num-to-gen=10"
+      restartPolicy: OnFailure

12-4-rs-queue.yaml

@@ -0,0 +1,26 @@
+apiVersion: apps/v1
+kind: ReplicaSet
+metadata:
+  labels:
+    app: work-queue
+    component: queue
+    chapter: jobs
+  name: queue
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: work-queue
+      component: queue
+      chapter: jobs
+  template:
+    metadata:
+      labels:
+        app: work-queue
+        component: queue
+        chapter: jobs
+    spec:
+      containers:
+      - name: queue
+        image: "gcr.io/kuar-demo/kuard-amd64:blue"
+        imagePullPolicy: Always

12-5-service-queue.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: work-queue
+    component: queue
+    chapter: jobs
+  name: queue
+spec:
+  ports:
+  - port: 8080
+    protocol: TCP
+    targetPort: 8080
+  selector:
+    app: work-queue
+    component: queue

12-6-load-queue.sh

@@ -0,0 +1,9 @@
+
+# Create a work queue called 'keygen'
+curl -X PUT localhost:8080/memq/server/queues/keygen
+
+# Create 100 work items and load up the queue.
+for i in work-item-{0..99}; do
+  curl -X POST localhost:8080/memq/server/queues/keygen/enqueue \
+    -d "$i"
+done

12-7-job-consumers.yaml

@@ -0,0 +1,29 @@
+apiVersion: batch/v1
+kind: Job
+metadata:
+  labels:
+    app: message-queue
+    component: consumer
+    chapter: jobs
+  name: consumers
+spec:
+  parallelism: 5
+  template:
+    metadata:
+      labels:
+        app: message-queue
+        component: consumer
+        chapter: jobs
+    spec:
+      containers:
+      - name: worker
+        image: "gcr.io/kuar-demo/kuard-amd64:blue"
+        imagePullPolicy: Always
+        command:
+        - "/kuard"
+        args:
+        - "--keygen-enable"
+        - "--keygen-exit-on-complete"
+        - "--keygen-memq-server=http://queue:8080/memq/server"
+        - "--keygen-memq-queue=keygen"
+      restartPolicy: OnFailure