Merge pull request #69 from bpineau/image_improvments

Image & chart improvements

Dockerfile

@@ -5,11 +5,11 @@ RUN go get -u github.com/Masterminds/glide
 RUN make deps
 RUN make build
 
-FROM alpine:3.7
+FROM alpine:3.8
 RUN apk upgrade --no-cache && \
-    apk --no-cache add ca-certificates git openssh-client
+    apk --no-cache add ca-certificates git openssh-client tini
 RUN install -d -o nobody -g nobody /var/lib/katafygio/data
 COPY --from=builder /go/src/github.com/bpineau/katafygio/katafygio /usr/bin/
 VOLUME /var/lib/katafygio
 USER nobody
-ENTRYPOINT ["/usr/bin/katafygio"]
+ENTRYPOINT ["/sbin/tini", "--", "/usr/bin/katafygio"]

Makefile

@@ -24,7 +24,6 @@ lint:
 		--enable=megacheck \
 		--enable=unparam \
 		--enable=misspell \
-		--enable=gas \
 		--enable=goimports \
 		./...
 

assets/Dockerfile.goreleaser

@@ -1,8 +1,8 @@
-FROM alpine:3.7
+FROM alpine:3.8
 RUN apk upgrade --no-cache && \
-    apk --no-cache add ca-certificates git openssh-client
+    apk --no-cache add ca-certificates git openssh-client tini
 RUN install -d -o nobody -g nobody /var/lib/katafygio/data
 COPY katafygio /usr/bin/
 VOLUME /var/lib/katafygio
 USER nobody
-ENTRYPOINT ["/usr/bin/katafygio"]
+ENTRYPOINT ["/sbin/tini", "--", "/usr/bin/katafygio"]

assets/helm-chart/katafygio/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v1
-appVersion: 0.7.2
+appVersion: 0.7.3
 description: Continuously backup Kubernetes objets as YAML files in git
 name: katafygio
 home: https://github.com/bpineau/katafygio

assets/helm-chart/katafygio/README.md

@@ -49,7 +49,7 @@ The following table lists the configurable parameters of the Katafygio chart and
 |-------------------------|-------------------------------------------------------------|--------------------------------------|
 | `replicaCount`          | Desired number of pods                                      | `1`                                  |
 | `image.repository`      | Katafygio container image name                              | `bpineau/katafygio`                  |
-| `image.tag`             | Katafygio container image tag                               | `v0.7.1`                             |
+| `image.tag`             | Katafygio container image tag                               | `v0.7.3`                             |
 | `image.pullPolicy`      | Katafygio container image pull policy                       | `IfNotPresent`                       |
 | `localDir`              | Container's local path where Katafygio will dump and commit | `/tmp/kf-dump`                       |
 | `gitUrl`                | Optional remote repository where changes will be pushed     | `nil`                                |

assets/helm-chart/katafygio/templates/deployment.yaml

@@ -61,10 +61,12 @@ spec:
               containerPort: {{ .Values.healthcheckPort }}
               protocol: TCP
           livenessProbe:
+{{ toYaml .Values.probesDelays.liveness | indent 12 }}
             httpGet:
               path: /health
               port: http
           readinessProbe:
+{{ toYaml .Values.probesDelays.readiness | indent 12 }}
             httpGet:
               path: /health
               port: http
@@ -76,13 +78,20 @@ spec:
           {{- end }}
           resources:
 {{ toYaml .Values.resources | indent 12 }}
-      {{- if and .Values.gitSshKey .Values.gitUrl }}
       volumes:
+        {{- if and .Values.gitSshKey .Values.gitUrl }}
         - name: katafygio-gitssh
           secret:
             secretName: {{ template "katafygio.fullname" . }}
             defaultMode: 256
-      {{- end }}
+        {{- end }}
+        - name: katafygio-data
+        {{- if .Values.persistence.enabled }}
+          persistentVolumeClaim:
+            claimName: {{ .Values.persistence.existingClaim | default (include "katafygio.fullname" .) }}
+        {{- else }}
+          emptyDir: {}
+        {{- end -}}
     {{- with .Values.nodeSelector }}
       nodeSelector:
 {{ toYaml . | indent 8 }}
@@ -95,11 +104,3 @@ spec:
       tolerations:
 {{ toYaml . | indent 8 }}
     {{- end }}
-    volumes:
-      - name: katafygio-data
-      {{- if .Values.persistence.enabled }}
-        persistentVolumeClaim:
-          claimName: {{ .Values.persistence.existingClaim | default (include "katafygio.fullname" .) }}
-      {{- else }}
-        emptyDir: {}
-      {{- end -}}

assets/helm-chart/katafygio/values.yaml

@@ -83,7 +83,7 @@ serviceAccount:
 
 image:
   repository: bpineau/katafygio
-  tag: v0.7.2
+  tag: v0.7.3
   pullPolicy: IfNotPresent
 
 # resources define the deployment's cpu and memory resources.
@@ -98,6 +98,17 @@ resources: {}
   #  cpu: 100m
   #  memory: 128Mi
 
+# liveness probes may need some tuning due to initial clone, which may be
+# very slow on large repos (healtcheck handle is registered after clone).
+# both liveness and readiness probes consumes the same health endpoint.
+probesDelays:
+  liveness:
+    initialDelaySeconds: 60
+    periodSeconds: 10
+    timeoutSeconds: 10
+  readiness:
+    timeoutSeconds: 10
+
 replicaCount: 1
 
 nodeSelector: {}

cmd/version.go

@@ -3,7 +3,7 @@ package cmd
 import "github.com/spf13/cobra"
 
 var (
-	version = "0.7.1"
+	version = "0.7.3"
 
 	versionCmd = &cobra.Command{
 		Use:   "version",