feat: installs glab and adds functions to manage gitlab repos

This PR adds the installation of the glab tool and functions to handle gitlab repos.
Relates to hacbs-release/app-interface-deployments#30

Dockerfile

@@ -4,11 +4,13 @@ ARG COSIGN_VERSION=1.13.1
 ARG KUBECTL_VERSION=1.27.2
 ARG OCP_VERSION=4.13.3
 ARG YQ_VERSION=4.34.1
+ARG GLAB_VERSION=1.31.0
 
 RUN curl -L https://github.com/mikefarah/yq/releases/download/v${YQ_VERSION}/yq_linux_amd64 -o /usr/bin/yq &&\
     curl -L https://dl.k8s.io/release/v${KUBECTL_VERSION}/bin/linux/amd64/kubectl -o /usr/bin/kubectl &&\
     curl -L https://mirror.openshift.com/pub/openshift-v4/x86_64/clients/ocp/${OCP_VERSION}/opm-linux.tar.gz |tar -C /usr/bin -xzf - &&\
-    chmod +x /usr/bin/{yq,kubectl,opm} &&\
+    curl -L https://gitlab.com/gitlab-org/cli/-/releases/v${GLAB_VERSION}/downloads/glab_${GLAB_VERSION}_Linux_x86_64.tar.gz | tar -C /usr -xzf - bin/glab &&\
+    chmod +x /usr/bin/{yq,kubectl,opm,glab} &&\
     rpm -ivh https://github.com/sigstore/cosign/releases/download/v${COSIGN_VERSION}/cosign-${COSIGN_VERSION}.x86_64.rpm
 
 RUN dnf -y --setopt=tsflags=nodocs install \
@@ -19,6 +21,9 @@ RUN dnf -y --setopt=tsflags=nodocs install \
     skopeo \
     && dnf clean all
 
+# Adds Red Hat IT Root CAs
+ADD https://certs.corp.redhat.com/certs/2015-IT-Root-CA.pem https://certs.corp.redhat.com/certs/2022-IT-Root-CA.pem /etc/pki/ca-trust/source/anchors/
+RUN update-ca-trust
 
 COPY pyxis /home/pyxis
 COPY utils /home/utils

utils/git-functions

@@ -0,0 +1,82 @@
+#!/usr/bin/env sh
+#
+# Functions to manage git repositories
+
+git_functions_usage() {
+    echo -e "Usage:"
+    echo -e "\t~$ export GIT_AUTHOR_NAME=<name>"
+    echo -e "\t~$ export GIT_AUTHOR_EMAIL=<email>"
+    echo -e "\t~$ export ACCESS_TOKEN=<github key>"
+    echo -e "\t~$ . git-functions"
+}
+
+git_config_ident() {
+    git config user.name "${GIT_AUTHOR_NAME}" 
+    git config user.email "${GIT_AUTHOR_EMAIL}"
+}
+
+git_commit_and_push() {
+    OPTIONS=$(getopt -l "branch:,message:" -o "b:m:" -a -- "$@")
+    eval set -- "$OPTIONS"
+    while true; do
+        case "$1" in
+            -b|--branch)
+                shift
+                BRANCH=$1
+                ;;
+            -m|--message)
+                shift
+                COMMIT_MSG="$1"
+                ;;
+            --)
+                shift
+                break
+                ;;
+        esac
+        shift
+    done
+    git checkout -b $BRANCH
+    git_config_ident
+    git commit -a -m "$COMMIT_MSG"
+    git push origin $BRANCH
+}
+
+git_clone_and_checkout() {
+    OPTIONS=$(getopt -l "repository:,revision:" -o "r:v:" -a -- "$@")
+    eval set -- "$OPTIONS"
+    while true; do
+        case "$1" in
+            -r|--repository)
+                shift
+                REPOSITORY=$1
+                ;;
+            -v|--revision)
+                shift
+                REVISION="$1"
+                ;;
+            --)
+                shift
+                break
+                ;;
+        esac
+        shift
+    done
+
+    echo "Cloning the Repository..."
+
+    REPO_DIR=$(basename ${REPOSITORY} .git)
+
+    # rewrites the repo url with the auth token
+    CLONE_URL="https://oauth2:${ACCESS_TOKEN}@${REPO_URL#*://}"
+    git clone $CLONE_URL
+    cd $REPO_DIR
+    git checkout $REVISION
+}
+
+git_functions_init() {
+  # an actual user should be set
+  [ -z "${GIT_AUTHOR_NAME}" -o -z "${GIT_AUTHOR_EMAIL}" ] && git_functions_usage && return 1
+
+  # it should not continue if ACCESS_TOKEN
+  [ -z "${ACCESS_TOKEN}" ] && git_functions_usage && return 1
+}

utils/gitlab-functions

@@ -0,0 +1,52 @@
+#!/usr/bin/env sh
+#
+# Functions to manage gitlab repos.
+#
+# This library requires the `glab` cli (https://docs.gitlab.com/ee/integration/glab/)
+
+gitlab_usage() {
+    echo -e "Usage:"
+    echo -e "\t~$ export GITLAB_HOST=<host>"
+    echo -e "\t~$ export ACCESS_TOKEN=<github key>"
+    echo -e "\t~$ . gitlab-functions"
+}
+
+gitlab_auth() {
+    gitlab_host=$1
+    glab auth login -h $gitlab_host --stdin <<< "${ACCESS_TOKEN}"
+}
+
+gitlab_create_mr() {
+    OPTIONS=$(getopt -l "head:,title:,description:" -o "h:t:d:" -a -- "$@")
+    eval set -- "$OPTIONS"
+    while true; do
+        case "$1" in
+            -h|--head)
+                shift
+                HEAD="$1";
+                ;;
+            -t|--title)
+                shift
+                TITLE="$1";
+                ;;
+            -d|--description)
+                shift
+                DESCRIPTION="$1";
+                ;;
+            --)
+                shift
+                break
+                ;;
+        esac
+        shift
+    done
+    glab mr create --title "${TITLE}" -b ${HEAD} --description "${DESCRIPTION}" | \
+        awk '/merge_request/ {print "merge_request: "$1}' |yq -o json
+}
+
+gitlab_init() {
+  # it should not continue if ACCESS_TOKEN or GITLAB_HOST is missing
+  [ -z "${ACCESS_TOKEN}" -o -z "${GITLAB_HOST}" ] && gitlab_usage && return 1
+
+  gitlab_auth ${GITLAB_HOST}
+}