James Andariese
e94e9f55d2
this will allow for repos that have names much longer than before since a job's name can only be up to 63 characters long and the distinguishing name of the job was taking up 51 of those.
118 lines
3.1 KiB
Bash
Executable File
118 lines
3.1 KiB
Bash
Executable File
#!/bin/sh
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# git-remote-k8s, a remote helper for git targeting a kubernetes cluster
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#
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# Copyright (C) 2023 James Andariese
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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set -e
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export IMAGE=alpine/git:latest
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export CONTEXT="$(echo "${2#*://}" | cut -d / -f 1)"
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export NS="$(echo "${2#*://}" | cut -d / -f 2)"
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export REPO="$(echo "${2#*://}" | cut -d / -f 3)"
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export RUNID="$(dd if=/dev/random bs=600 count=1 status=none | base64 | tr -dc a-z0-9 | cut -c 1-6)"
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while read -r cmd arg rest; do
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case "$cmd" in
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"capabilities")
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printf 'connect\n\n'
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;;
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"connect")
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case "$arg" in
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git-receive-pack) SUBCOMMAND="git receive-pack .";;
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git-send-pack) SUBCOMMAND="git send-pack .";;
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git-upload-pack) SUBCOMMAND="git upload-pack .";;
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git-upload-archive) SUBCOMMAND="git upload-archive .";;
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*)
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1>&2 echo "invalid subcommand in connect $arg"
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exit 1
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;;
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esac
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1>&2 echo "running $arg"
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break
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;;
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esac
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done
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export COMMAND="
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[ -f HEAD ] || git init --bare
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read
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echo
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$SUBCOMMAND
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"
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# if you named your pod FILTERME_HFOIQJF, I apologize
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echo '
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---
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata:
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name: ${REPO}
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namespace: ${NS}
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spec:
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accessModes:
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- ReadWriteOnce
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resources:
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requests:
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storage: 1Gi
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storageClassName: ${GIT_REMOTE_K8S_STORAGECLASS-FILTERME_HFOIQJF}
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volumeMode: Filesystem
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---
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apiVersion: batch/v1
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kind: Job
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metadata:
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name: ${REPO}-gitc${RUNID}
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namespace: ${NS}
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labels:
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git.kn8v.com/runid: ${RUNID}
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spec:
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template:
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spec:
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containers:
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- name: git-connector
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image: ${IMAGE}
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stdin: true
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stdinOnce: true
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command:
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- sh
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- -c
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- ${COMMAND}
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workingDir: /repo
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volumeMounts:
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- name: repo
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mountPath: /repo
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volumes:
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- name: repo
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persistentVolumeClaim:
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claimName: ${REPO}
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restartPolicy: Never
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' | grep -v FILTERME_HFOIQJF | yq ea '(.. | select(tag == "!!str")) |= envsubst' | kubectl --context "$CONTEXT" apply -f - 1>&2
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KILLLOGS=:
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finalize() {
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kubectl --context "$CONTEXT" delete job -n "$NS" "${REPO}-gitc${RUNID}" 1>&2
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$KILLLOGS
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exit # must exit for INT and TERM.
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}
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trap finalize INT TERM
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kubectl --context "$CONTEXT" wait job "${REPO}-gitc${RUNID}" --for jsonpath=.status.ready=1 1>&2
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(echo;cat) | kubectl --context "$CONTEXT" attach -i -q -n "$NS" "job/${REPO}-gitc${RUNID}"
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# also finalize on exit
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finalize
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