Merge branch 'release/1.1.0'

Dockerfile

@@ -1,16 +1,20 @@
 FROM rancher/cli:v2.0.4
 
 # install dependencies
-RUN apk add --no-cache curl
+RUN apk update \
+    && apk add --no-cache \
+        ca-certificates \
+        curl
 
 # install kubectl
 RUN curl -LO https://storage.googleapis.com/kubernetes-release/release/v1.12.0/bin/linux/amd64/kubectl \
-    && chmod +x ./kubectl \
     && mv ./kubectl /usr/local/bin/kubectl
 
-# add rancher-redeploy script
-COPY bin/rancher-redeploy /usr/local/bin/
-RUN chmod +x /usr/local/bin/rancher-redeploy
+# add helper scripts
+COPY bin/ /usr/local/bin/
+
+## make all binaries executable
+RUN chmod +x /usr/local/bin/*
 
 # reset entrypoint
 ENTRYPOINT []

readme.md → README.md

@@ -10,11 +10,11 @@ This docker image enables simple deployments to Rancher.
 It is a small alpine image with [Rancher CLI](https://rancher.com/docs/rancher/v2.x/en/cli/) `rancher`
 and [Kubernetes CLI](https://kubernetes.io/docs/tasks/tools/install-kubectl/) `kubectl` installed.
 
-It also comes with a custom `rancher-redeploy` command (see usage section).
+It also comes with a custom `rancher-redeploy` and `rancher-exec` command helper (see usage section).
 
 ## Usage
 
-### Simple Redeploy via GitLab CI
+### Simple Redeploy via GitLab CI and `rancher-redeploy` helper
 
 To use this image via GitLab CI add the following to the `.gitlab-ci.yml`:
 
@@ -36,6 +36,12 @@ Don't forget to provide `$RANCHER_TOKEN` via GitLab CI/CD variable.
 This will trigger a redeploy of the given Kubernetes deployment by updating a label
 and pull the newest image if configured correctly.
 
+### Execute Command via `rancher-exec` helper
+
+You can also execute commands in pods of your deployment via `rancher-exec $K8S_NAMESPACE $K8S_DEPLOYMENT 'ls'`.
+This will execute the given command in the first pod of your deployment.
+Currently this is only tested with single container pods.
+
 ## Changelog
 
 Check [releases](https://github.com/sourceboat/rancher-deploy/releases) for all notable changes.

bin/rancher-exec

@@ -0,0 +1,4 @@
+#!/bin/sh
+POD=$(rancher kubectl get pod -l workload.user.cattle.io/workloadselector=deployment-$1-$2 -n $1 -o jsonpath="{.items[0].metadata.name}")
+echo "INFO: executing '$3' in pod '$POD'\n"
+rancher kubectl exec $POD -n $1 $3