David Schroeder
91 lines
3.0 KiB
Bash
Executable File
91 lines
3.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -Eeuo pipefail
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DEPLOY_ROOT="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd -P)"
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SCRIPT_PATH="${DEPLOY_ROOT}/$(basename -- "${BASH_SOURCE[0]}")"
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cd "$DEPLOY_ROOT"
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fail() {
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printf 'ERROR: %s\n' "$*" >&2
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exit 1
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}
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command -v git >/dev/null 2>&1 || fail "git is required"
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command -v docker >/dev/null 2>&1 || fail "docker is required"
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docker compose version >/dev/null 2>&1 ||
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fail "Docker Compose v2 is required"
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[[ -f .env ]] || fail ".env was not found in ${DEPLOY_ROOT}"
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post_pull=0
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if [[ "${1:-}" == "--post-pull" ]]; then
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post_pull=1
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elif [[ $# -ne 0 ]]; then
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fail "usage: ${0} [--post-pull]"
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fi
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if ((post_pull == 0)); then
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branch="$(git symbolic-ref --quiet --short HEAD)" ||
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fail "the repository is in detached HEAD state"
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upstream="$(git rev-parse --abbrev-ref --symbolic-full-name '@{upstream}' 2>/dev/null)" ||
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fail "branch ${branch} does not have an upstream branch"
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remote="$(git config --get "branch.${branch}.remote")" ||
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fail "branch ${branch} does not have a configured remote"
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git diff --quiet && git diff --cached --quiet ||
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fail "tracked local changes must be committed or stashed before updating"
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printf 'Checking %s against %s...\n' "$branch" "$upstream"
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git fetch --quiet --prune "$remote"
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local_commit="$(git rev-parse HEAD)"
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upstream_commit="$(git rev-parse '@{upstream}')"
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if [[ "$local_commit" == "$upstream_commit" ]]; then
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printf 'Deployment is already up to date.\n'
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elif git merge-base --is-ancestor "$local_commit" "$upstream_commit"; then
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git merge --quiet --ff-only "$upstream_commit"
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# Restart using the newly pulled copy so changes to this script apply.
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exec "$SCRIPT_PATH" --post-pull
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elif git merge-base --is-ancestor "$upstream_commit" "$local_commit"; then
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fail "local branch ${branch} is ahead of ${upstream}; refusing to update"
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else
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fail "local branch ${branch} has diverged from ${upstream}"
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fi
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fi
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printf 'Updating the local Gitea image and deployment stack...\n'
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docker compose --env-file .env pull gitea nginx certbot
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"${DEPLOY_ROOT}/manage.sh" start
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container_id="$(docker compose -f compose.yaml -f compose.tls.yaml ps -q broker)"
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[[ -n "$container_id" ]] ||
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fail "Docker Compose did not return the local broker container"
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printf 'Waiting for the local broker health check'
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for ((attempt = 1; attempt <= 75; attempt++)); do
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status="$(
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docker inspect \
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--format '{{if .State.Health}}{{.State.Health.Status}}{{else}}{{.State.Status}}{{end}}' \
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"$container_id"
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)"
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case "$status" in
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healthy)
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printf ' healthy.\n'
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docker compose -f compose.yaml -f compose.tls.yaml ps
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printf 'Local deployment updated successfully.\n'
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exit 0
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;;
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exited | dead | unhealthy)
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printf ' %s.\n' "$status"
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docker compose -f compose.yaml -f compose.tls.yaml logs --tail=100 broker
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fail "the local broker failed its health check"
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;;
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esac
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printf '.'
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sleep 2
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done
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printf ' timed out.\n'
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docker compose -f compose.yaml -f compose.tls.yaml logs --tail=100 broker
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fail "the local broker did not become healthy within 150 seconds"
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