Merge pull request #1 from harness-community/akshit-dev

initial commit

Dockerfile

@@ -0,0 +1,18 @@
+FROM alpine:3.18
+
+WORKDIR /app
+
+ENV HELM_EXPERIMENTAL_OCI=1
+
+RUN apk --no-cache add ca-certificates curl && \
+    curl -LO "https://get.helm.sh/helm-v3.7.0-linux-amd64.tar.gz" && \
+    tar -zxvf helm-v3.7.0-linux-amd64.tar.gz && \
+    mv linux-amd64/helm /usr/local/bin/helm && \
+    rm -rf linux-amd64 helm-v3.7.0-linux-amd64.tar.gz && \
+    chmod +x /usr/local/bin/helm
+
+RUN apk --no-cache add python3
+
+COPY main.py /app/
+
+CMD ["python3", "/app/main.py"]

main.py

@@ -0,0 +1,64 @@
+# Plugin Name: Push OCI Chart to Registry
+# Description: Pushes an Helm Chart to a Docker Registry
+
+import os
+import subprocess
+
+# Environment Variables
+
+# Helm Chart
+CHART_NAME = os.getenv("PLUGIN_CHART_NAME")  # ! required
+CHART_VERSION = os.getenv("PLUGIN_CHART_VERSION", "1.0.0")
+
+# Docker Repository Details
+DOCKER_REGISTRY = os.getenv(
+    "PLUGIN_DOCKER_REGISTRY", 'registry.hub.docker.com')  # ? optional
+
+# Docker Hub Credentials
+DOCKER_USERNAME = os.getenv(
+    "PLUGIN_DOCKER_USERNAME")  # ! required
+DOCKER_PASSWORD = os.getenv(
+    "PLUGIN_DOCKER_PASSWORD")  # ! required
+
+# Path to Chart
+CHART_PATH = os.getenv("PLUGIN_CHART_PATH")  # ? optional
+
+
+# ? validate environment variables
+
+if (CHART_NAME is None):
+    print("Please provide a chart name")
+    exit(1)
+
+if (DOCKER_USERNAME is None or DOCKER_PASSWORD is None):
+    print("Please provide a username and a password")
+    exit(1)
+
+
+# cd into the chart directory
+if (CHART_PATH is not None):
+    os.chdir(CHART_PATH)
+
+# Package the helm chart
+subprocess.run(["helm", "package", "--dependency-update", "."])
+
+# Construct the chart name
+chart_filename = f"{CHART_NAME}-{CHART_VERSION}.tgz"
+
+# Login to Docker Registry
+try:
+    login_command = ['helm', 'registry', 'login', DOCKER_REGISTRY,
+                     '-u', DOCKER_USERNAME, '-p', DOCKER_PASSWORD]
+    subprocess.run(login_command)
+except:
+    print("Failed to login!")
+    exit(1)
+
+# Push the chart to Docker Hub
+try:
+    docker_push_command = ["helm", "push", chart_filename,
+                           f"oci://{DOCKER_REGISTRY}/{DOCKER_USERNAME}"]
+    subprocess.run(docker_push_command)
+except:
+    print("Failed to push chart!")
+    exit(1)