Add kubernetes deployment manifests (#31)

* Add kubernetes deployment manifests

* Update README.md

* Update README.md

* add a document separator

* Add other definitions

* Make fits its own deployment

README.md

@@ -59,6 +59,31 @@ Update your [ISLE docker-compose.yml](https://github.com/Islandora-Devops/isle-s
         <<: [*prod, *fits]
 ```
 
+#### Kubernetes deployment
+
+The demo kubernetes manifests in this repo uses the `ingress-nginx` controller to route requests from a single domain to the proper microservice.
+
+##### Create a the TLS secret
+
+```
+kubectl create secret tls CHANGE-ME --key key.pem --cert cert.pem
+```
+
+#### Apply the kubernetes manifests
+
+Now you can apply your kube manifests, being sure to replace `__DOMAIN__` and `__DOCKER_REPOSITORY__` with the proper valuyes
+
+```
+DOMAIN=CHANGE-ME.bar.com
+DOCKER_REPOSITORY=CHANGE-ME.docker.io
+KUBE_TLS_SECRET=CHANGE-ME
+sed -e "s|__DOMAIN__|$DOMAIN|" \
+    -e "s|__DOCKER_REPOSITORY__|$DOCKER_REPOSITORY|" \
+    -e "s|__KUBE_TLS_SECRET__|$KUBE_TLS_SECRET|" \
+    *.yaml \
+| kubectl apply -f -
+```
+
 ### Configure alpaca and Drupal
 
 Until we define a subscription spec for Islandora Events in this repo, you'll also need to:

ci/k8s/coverpage.yaml

@@ -0,0 +1,44 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: islandora-coverpage
+spec:
+  selector:
+    app: islandora-coverpage
+  ports:
+    - protocol: TCP
+      port: 8080
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: islandora-coverpage
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: islandora-coverpage
+  template:
+    metadata:
+      labels:
+        app: islandora-coverpage
+    spec:
+      containers:
+        - name: scyllaridae-coverpage
+          image: __DOCKER_REPOSITORY__/scyllaridae-coverpage:main
+          imagePullPolicy: IfNotPresent
+          resources:
+            requests:
+              memory: "128Mi"
+              cpu: "250m"
+            limits:
+              memory: "512Mi"
+          ports:
+            - containerPort: 8080
+          readinessProbe:
+            httpGet:
+              path: /healthcheck
+              port: 8080
+            initialDelaySeconds: 5
+            periodSeconds: 10

ci/k8s/crayfits.yaml

@@ -0,0 +1,45 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: islandora-crayfits
+spec:
+  selector:
+    app: islandora-crayfits
+  ports:
+    - protocol: TCP
+      port: 8080
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: islandora-crayfits
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: islandora-crayfits
+  template:
+    metadata:
+      labels:
+        app: islandora-crayfits
+    spec:
+      containers:
+        - name: scyllaridae-crayfits
+          image: __DOCKER_REPOSITORY__/scyllaridae-fits:main
+          imagePullPolicy: IfNotPresent
+          resources:
+            requests:
+              memory: "32Mi"
+              cpu: "100m"
+            limits:
+              memory: "128Mi"
+          ports:
+            - containerPort: 8080
+              hostPort: 8080
+          readinessProbe:
+            httpGet:
+              path: /healthcheck
+              port: 8080
+            initialDelaySeconds: 5
+            periodSeconds: 10

ci/k8s/fits.yaml

@@ -0,0 +1,49 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: fits
+spec:
+  selector:
+    app: fits
+  ports:
+    - protocol: TCP
+      port: 8080
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: fits
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: fits
+  template:
+    metadata:
+      labels:
+        app: fits
+    spec:
+      containers:
+        - name: fits
+          image: islandora/fits:3.3.0
+          imagePullPolicy: IfNotPresent
+          env:
+            - name: FITS_MAX_REQUEST_SIZE
+              value: "100000"
+            - name: FITS_MAX_UPLOAD_FILE_SIZE
+              value: "100000"
+          resources:
+            requests:
+              memory: "256Mi"
+              cpu: "250m"
+            limits:
+              memory: "2Gi"
+          ports:
+            - containerPort: 8080
+          readinessProbe:
+            httpGet:
+              path: /fits/version
+              port: 8080
+            initialDelaySeconds: 5
+            periodSeconds: 10

ci/k8s/homarus.yaml

@@ -0,0 +1,44 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: islandora-ffmpeg
+spec:
+  selector:
+    app: islandora-ffmpeg
+  ports:
+    - protocol: TCP
+      port: 8080
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: islandora-ffmpeg
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: islandora-ffmpeg
+  template:
+    metadata:
+      labels:
+        app: islandora-ffmpeg
+    spec:
+      containers:
+        - name: scyllaridae-ffmpeg
+          image: __DOCKER_REPOSITORY__/scyllaridae-ffmpeg:main
+          imagePullPolicy: IfNotPresent
+          resources:
+            requests:
+              memory: "128Mi"
+              cpu: "500m"
+            limits:
+              memory: "4Gi"
+          ports:
+            - containerPort: 8080
+          readinessProbe:
+            httpGet:
+              path: /healthcheck
+              port: 8080
+            initialDelaySeconds: 5
+            periodSeconds: 10

ci/k8s/houdini.yaml

@@ -0,0 +1,44 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: islandora-imagemagick
+spec:
+  selector:
+    app: islandora-imagemagick
+  ports:
+    - protocol: TCP
+      port: 8080
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: islandora-imagemagick
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: islandora-imagemagick
+  template:
+    metadata:
+      labels:
+        app: islandora-imagemagick
+    spec:
+      containers:
+        - name: scyllaridae-imagemagick
+          image: __DOCKER_REPOSITORY__/scyllaridae-imagemagick:main
+          imagePullPolicy: IfNotPresent
+          resources:
+            requests:
+              memory: "128Mi"
+              cpu: "100m"
+            limits:
+              memory: "1Gi"
+          ports:
+            - containerPort: 8080
+          readinessProbe:
+            httpGet:
+              path: /healthcheck
+              port: 8080
+            initialDelaySeconds: 5
+            periodSeconds: 10

ci/k8s/hypercube.yaml

@@ -0,0 +1,45 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: islandora-tesseract
+spec:
+  selector:
+    app: islandora-tesseract
+  ports:
+    - protocol: TCP
+      port: 8080
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: islandora-tesseract
+
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: islandora-tesseract
+  template:
+    metadata:
+      labels:
+        app: islandora-tesseract
+    spec:
+      containers:
+        - name: scyllaridae-tesseract
+          image: __DOCKER_REPOSITORY__/scyllaridae-tesseract:main
+          imagePullPolicy: IfNotPresent
+          resources:
+            requests:
+              memory: "128Mi"
+              cpu: "250m"
+            limits:
+              memory: "2Gi"
+          ports:
+            - containerPort: 8080
+          readinessProbe:
+            httpGet:
+              path: /healthcheck
+              port: 8080
+            initialDelaySeconds: 5
+            periodSeconds: 10

ci/k8s/ingress.yaml

@@ -0,0 +1,52 @@
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: islandora-microservices
+  annotations:
+    nginx.ingress.kubernetes.io/rewrite-target: /$2
+spec:
+  tls:
+    - hosts:
+        - __DOMAIN__
+      secretName: __KUBE_TLS_SECRET__
+  ingressClassName: nginx
+  rules:
+    - host: __DOMAIN__
+      http:
+        paths:
+          - path: /coverpage(/|$)(.*)
+            pathType: Prefix
+            backend:
+              service:
+                name: islandora-coverpage
+                port:
+                  number: 8080
+          - path: /crayfits(/|$)(.*)
+            pathType: Prefix
+            backend:
+              service:
+                name: islandora-crayfits
+                port:
+                  number: 8080
+          - path: /homarus(/|$)(.*)
+            pathType: Prefix
+            backend:
+              service:
+                name: islandora-ffmpeg
+                port:
+                  number: 8080
+          - path: /houdini(/|$)(.*)
+            pathType: Prefix
+            backend:
+              service:
+                name: islandora-imagemagick
+                port:
+                  number: 8080
+          - path: /hypercube(/|$)(.*)
+            pathType: Prefix
+            backend:
+              service:
+                name: islandora-tesseract
+                port:
+                  number: 8080