Build docker image for CI jobs

Signed-off-by: Justin Cinkelj <justin.cinkelj@xlab.si>

Author: justinc1

ci-infra/docker-image/.gitignore

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+all.requirements

ci-infra/docker-image/Dockerfile

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+# Usage: build new image locally, push it to gcr, use it in CI. and
+
+# we use 'pip install name~=1.2.0' to install latest 1.2.x release
+ARG ANSIBLE_CORE_VERSION=2.13.0
+
+# =======================================================================
+FROM python:3.10-slim-buster
+ARG ANSIBLE_CORE_VERSION
+
+ENV LANG=en_US.UTF-8
+
+RUN apt update && apt install -y git make smbclient genisoimage qemu-utils jq
+RUN pip install --upgrade pip wheel
+
+COPY all.requirements /code/ci-infra/docker-image/
+RUN pip install -r /code/ci-infra/docker-image/all.requirements && \
+    pip install yq
+
+RUN pip install ansible-core~=$ANSIBLE_CORE_VERSION

ci-infra/docker-image/build.sh

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+#!/usr/bin/env bash
+
+# Usage:
+# docker login quay.io, with robot account (justinc1_github+justin_scale_uploader )
+# ./build.sh
+#
+# For quicker testing, run "DOCKER_CACHE='y' ./build.sh"
+
+set -eux
+
+# Where to push images
+DOCKER_REGISTRY_REPO=quay.io/justinc1_github/scale_ci_integ
+# Tag to push
+DOCKER_IMAGE_TAG=1
+
+DOCKER_CACHE="${DOCKER_CACHE:-n}"
+if [ "$DOCKER_CACHE" == "n" ]
+then
+    DOCKER_BUILD_OPT="--no-cache"
+else
+    DOCKER_BUILD_OPT=""
+fi
+
+THIS_SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
+REPO_DIR="$(realpath "$THIS_SCRIPT_DIR/../.." )"
+
+cat "$REPO_DIR/{docs,test,sanity,mypy}.requirements" > all.requirements
+# TODO but is ghrc.io feature available/enabled?
+# Or push to quay.io?
+docker build "$DOCKER_BUILD_OPT" -t "$DOCKER_REGISTRY_REPO:$DOCKER_IMAGE_TAG" .
+if [ "$DOCKER_CACHE" == "n" ]
+then
+    # Upload only cleanly build images
+    # Do not overwrite existing tags.
+    docker manifest inspect $DOCKER_REGISTRY_REPO:$DOCKER_IMAGE_TAG 1>/dev/null && \
+        echo Image tag $DOCKER_REGISTRY_REPO:$DOCKER_IMAGE_TAG already pushed to registry 1>&2 && \
+        exit 1
+    docker push $DOCKER_REGISTRY_REPO:$DOCKER_IMAGE_TAG
+fi