2019-11-08 09:31:16 -05:00
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#!/bin/bash
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################################################################################
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############# Deploy Container to DockerHub @admiralawkbar #####################
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################################################################################
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# NOTES: This script is used to upload a Dockerfile to DockerHub
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# Its based on being built from a GitHub Action, but could be easily updated
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# To be ran in a different medium.
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#
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# PRE-Reqs:
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# - Dockerfile
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# - System with Docker installed
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# - Global variables met
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###########
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# Globals #
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###########
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GITHUB_WORKSPACE="${GITHUB_WORKSPACE}" # Github Workspace
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DOCKER_USERNAME="${DOCKER_USERNAME}" # Username to login to DockerHub
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DOCKER_PASSWORD="${DOCKER_PASSWORD}" # Password to login to DockerHub
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IMAGE_REPO="${IMAGE_REPO}" # Image repo to upload the image
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IMAGE_VERSION="${IMAGE_VERSION}" # Version to tag the image
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DOCKERFILE_PATH="${DOCKERFILE_PATH}" # Path to the Dockerfile to be uploaded
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################################################################################
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############################ FUNCTIONS BELOW ###################################
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################################################################################
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################################################################################
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#### Function Header ###########################################################
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Header()
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{
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echo ""
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echo "-------------------------------------------------------"
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echo "------ Github Actions Upload image to DockerHub -------"
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echo "-------------------------------------------------------"
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echo ""
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}
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################################################################################
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#### Function ValidateInput ####################################################
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ValidateInput()
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{
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# Need to validate we have the basic variables
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################
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# Print header #
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################
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echo ""
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echo "----------------------------------------------"
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echo "Gathering variables..."
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echo "----------------------------------------------"
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echo ""
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############################
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# Validate GITHUB_WORKSPACE #
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############################
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if [ -z "$GITHUB_WORKSPACE" ]; then
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echo "ERROR! Failed to get [GITHUB_WORKSPACE]!"
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echo "ERROR:[$GITHUB_WORKSPACE]"
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exit 1
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else
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echo "Successfully found:[GITHUB_WORKSPACE], value:[$GITHUB_WORKSPACE]"
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fi
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############################
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# Validate DOCKER_USERNAME #
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############################
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if [ -z "$DOCKER_USERNAME" ]; then
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echo "ERROR! Failed to get [DOCKER_USERNAME]!"
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echo "ERROR:[$DOCKER_USERNAME]"
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exit 1
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else
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echo "Successfully found:[DOCKER_USERNAME], value:[$DOCKER_USERNAME]"
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fi
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############################
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# Validate DOCKER_PASSWORD #
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############################
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if [ -z "$DOCKER_PASSWORD" ]; then
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echo "ERROR! Failed to get [DOCKER_PASSWORD]!"
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echo "ERROR:[$DOCKER_PASSWORD]"
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exit 1
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else
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echo "Successfully found:[DOCKER_PASSWORD], value:[********]"
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fi
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#######################
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# Validate IMAGE_REPO #
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#######################
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if [ -z "$IMAGE_REPO" ]; then
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echo "ERROR! Failed to get [IMAGE_REPO]!"
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echo "ERROR:[$IMAGE_REPO]"
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exit 1
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else
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echo "Successfully found:[IMAGE_REPO], value:[$IMAGE_REPO]"
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fi
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##########################
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# Validate IMAGE_VERSION #
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##########################
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if [ -z "$IMAGE_VERSION" ]; then
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echo "ERROR! Failed to get [IMAGE_VERSION]!"
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echo "ERROR:[$IMAGE_VERSION]"
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exit 1
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else
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echo "Successfully found:[IMAGE_VERSION], value:[$IMAGE_VERSION]"
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fi
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############################
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# Validate DOCKERFILE_PATH #
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############################
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if [ -z "$DOCKERFILE_PATH" ]; then
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echo "ERROR! Failed to get [DOCKERFILE_PATH]!"
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echo "ERROR:[$DOCKERFILE_PATH]"
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exit 1
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else
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echo "Successfully found:[DOCKERFILE_PATH], value:[$DOCKERFILE_PATH]"
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fi
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}
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################################################################################
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#### Function LoginToDocker ####################################################
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LoginToDocker()
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{
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################
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# Print header #
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################
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echo ""
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echo "----------------------------------------------"
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echo "Login to DockerHub..."
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echo "----------------------------------------------"
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echo ""
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######################
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# Login to DockerHub #
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######################
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LOGIN_CMD=$(docker login --username "$DOCKER_USERNAME" --password "$DOCKER_PASSWORD" 2>&1)
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#######################
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# Load the error code #
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#######################
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ERROR_CODE=$?
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##############################
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# Check the shell for errors #
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##############################
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if [ $ERROR_CODE -ne 0 ]; then
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# ERROR
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echo "ERROR! Failed to authenticate to DockerHub!"
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echo "ERROR:[$LOGIN_CMD]"
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exit 1
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else
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# SUCCESS
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2019-11-08 09:51:39 -05:00
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echo "Successfully authenticated to DockerHub!"
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2019-11-08 09:31:16 -05:00
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fi
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}
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################################################################################
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#### Function BuildImage #######################################################
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BuildImage()
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{
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################
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# Print header #
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################
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echo ""
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echo "----------------------------------------------"
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echo "Building the DockerFile image..."
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echo "----------------------------------------------"
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echo ""
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################################
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# Validate the DOCKERFILE_PATH #
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################################
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if [ ! -f "$DOCKERFILE_PATH" ]; then
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# No file found
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echo "ERROR! failed to find Dockerfile at:[$DOCKERFILE_PATH]"
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echo "Please make sure you give full path!"
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echo "Example:[/configs/Dockerfile] or [Dockerfile] if at root directory"
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exit 1
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fi
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###################
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# Build the image #
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###################
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2019-11-08 09:51:39 -05:00
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BUILD_CMD=$(docker build --no-cache -t "$IMAGE_REPO:$IMAGE_VERSION" -f "$DOCKERFILE_PATH" . 2>&1)
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2019-11-08 09:31:16 -05:00
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#######################
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# Load the error code #
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#######################
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ERROR_CODE=$?
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##############################
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# Check the shell for errors #
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##############################
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if [ $ERROR_CODE -ne 0 ]; then
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# ERROR
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echo "ERROR! failed to [build] Dockerfile!"
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echo "ERROR:[$BUILD_CMD]"
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exit 1
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2019-11-08 10:00:07 -05:00
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else
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# SUCCESS
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echo "Successfully Built image!"
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echo "Info:[$BUILD_CMD]"
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2019-11-08 09:31:16 -05:00
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fi
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}
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################################################################################
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#### Function UploadImage ######################################################
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UploadImage()
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{
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################
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# Print header #
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################
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echo ""
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echo "----------------------------------------------"
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echo "Uploading the DockerFile image..."
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echo "----------------------------------------------"
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echo ""
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############################################
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# Upload the docker image that was created #
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############################################
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UPLOAD_CMD=$(docker push "$IMAGE_REPO:$IMAGE_VERSION" 2>&1)
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#######################
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# Load the error code #
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#######################
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ERROR_CODE=$?
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##############################
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# Check the shell for errors #
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##############################
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if [ $ERROR_CODE -ne 0 ]; then
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# ERROR
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echo "ERROR! failed to [build] Dockerfile!"
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echo "ERROR:[$UPLOAD_CMD]"
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exit 1
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else
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# SUCCESS
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echo "Successfully Uploaded Docker image to DockerHub!"
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2019-11-08 10:00:07 -05:00
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echo "Info:[$UPLOAD_CMD]"
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2019-11-08 09:31:16 -05:00
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fi
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#########################
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# Get Image information #
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#########################
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2019-11-08 10:00:07 -05:00
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IFS=$'\n' # Set the delimit to newline
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2019-11-08 09:31:16 -05:00
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GET_INFO_CMD=$(docker images | grep "$IMAGE_REPO" | grep "$IMAGE_VERSION" 2>&1)
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#######################
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# Load the error code #
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#######################
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ERROR_CODE=$?
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##############################
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# Check the shell for errors #
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##############################
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if [ $ERROR_CODE -ne 0 ]; then
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# ERROR
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echo "ERROR! Failed to get information about built Image!"
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echo "ERROR:[$GET_INFO_CMD]"
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exit 1
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else
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################
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# Get the data #
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################
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2019-11-08 10:07:53 -05:00
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REPO=$(echo "$GET_INFO_CMD" | awk '{print $1}')
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TAG=$(echo "$GET_INFO_CMD" | awk '{print $2}')
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IMAGE_ID=$(echo "$GET_INFO_CMD" | awk '{print $3}')
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2019-11-08 09:37:14 -05:00
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# shellcheck disable=SC2116
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2019-11-08 09:31:16 -05:00
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SIZE=$(echo "${GET_INFO_CMD##* }")
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###################
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# Print the goods #
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###################
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echo "----------------------------------------------"
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echo "Docker Image Details:"
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echo "Repository:[$REPO]"
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echo "Tag:[$TAG]"
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echo "Image_ID:[$IMAGE_ID]"
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echo "Size:[$SIZE]"
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echo "----------------------------------------------"
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fi
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}
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################################################################################
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#### Function Footer ###########################################################
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Footer()
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{
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echo ""
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echo "-------------------------------------------------------"
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echo "The step has completed"
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echo "-------------------------------------------------------"
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echo ""
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}
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################################################################################
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################################## MAIN ########################################
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################################################################################
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##########
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# Header #
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##########
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Header
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##################
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# Validate Input #
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##################
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ValidateInput
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######################
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# Login to DockerHub #
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######################
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LoginToDocker
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###################
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# Build the image #
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###################
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BuildImage
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####################
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# Upload the image #
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####################
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UploadImage
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##########
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# Footer #
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##########
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Footer
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