From 2034d9209042c729f7e166c36d20e77d7e76e3a4 Mon Sep 17 00:00:00 2001
From: James Brumond <james@jbrumond.me>
Date: Sat, 3 Dec 2022 20:29:21 -0800
Subject: [PATCH] first commit

---
 .drone.yml | 14 ++++++++++++++
 Dockerfile | 19 +++++++++++++++++++
 readme.md  | 27 +++++++++++++++++++++++++++
 3 files changed, 60 insertions(+)
 create mode 100644 .drone.yml
 create mode 100644 Dockerfile
 create mode 100644 readme.md

diff --git a/.drone.yml b/.drone.yml
new file mode 100644
index 0000000..74d74af
--- /dev/null
+++ b/.drone.yml
@@ -0,0 +1,14 @@
+---
+kind: template
+load: multiarch-container.yaml
+data:
+  repo: examples/kubectl
+  build_args:
+  - KUBERNETES_RELEASE=v1.24.2
+  tags:
+  - "1.24.2"
+  - "1.24"
+  - "1"
+  platforms:
+  - os: linux
+    arch: arm64
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..58f346c
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,19 @@
+
+FROM alpine:3.17
+
+ARG OS
+ARG ARCH
+ARG KUBERNETES_RELEASE
+
+RUN apk --no-cache add --update curl ca-certificates bash
+
+RUN curl -Lo /usr/local/bin/kubectl \
+	https://storage.googleapis.com/kubernetes-release/release/${KUBERNETES_RELEASE}/bin/${OS}/${ARCH}/kubectl
+
+RUN chmod +x /usr/local/bin/kubectl
+
+COPY kubectl-setup /bin/
+RUN chmod +x /bin/kubectl-setup
+
+CMD [ "/bin/kubectl-setup" ]
+ENTRYPOINT [ "/bin/bash", "-l", "-c" ]
diff --git a/readme.md b/readme.md
new file mode 100644
index 0000000..7e76993
--- /dev/null
+++ b/readme.md
@@ -0,0 +1,27 @@
+
+## `kubectl` image
+
+An `alpine` image with `kubectl` installed
+
+See https://blog.jbrumond.me/post/raspberry-pi-cluster-part-4:-gitea-and-drone for more info
+
+
+
+### Drone CI Usage
+
+```yaml
+steps:
+- name: deploy
+  image: gitea.internal.example.com/examples/kubectl:1.24
+  environment:
+    KUBERNETES_SERVER: https://k8s-cluster-api.example:6443
+    KUBERNETES_TOKEN:
+      from_secret: kubernetes-service-account-token
+    KUBERNETES_CERT:
+      from_secret: kubernetes-service-account-cert
+  commands:
+  - /bin/kubectl-setup
+  - kubectl set image "deployment/example-deployment" "example-container=gitea.internal.example.com/images/example-image"
+  - kubectl rollout restart "deployment/example-deployment"
+  - kubectl rollout status "deployment/example-deployment"
+```