353438dbd3
Rather than hardcode two builders, allow builders to specify a `builder-detect` trigger. This trigger can be used to specify if the builder should or should not be used for an application. Each builder takes stdin and can decide if it wants to emit it or emit it's own image source type. If the final value is empty, then Dokku will default to herokuish (and cnb once that is stable). In addition, a future change may allow users to manually specify a builder in the case they wish to override the choice selected by Dokku. This change enables users to build custom builder plugins and have those plugins used for building an image asset. By way of example, an enterprising user could create a `builder-lambda` based on lambci, and then pair this with a scheduler plugin that updates a lambda function on AWS. Alternatively, a user might decide they wish to place their Dockerfile in a specific directory for their applications - such as an `_infrastructure` directory - and create a plugin to override how that is detected within Dokku.
90 lines
3.0 KiB
Bash
Executable File
90 lines
3.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -eo pipefail
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[[ $DOKKU_TRACE ]] && set -x
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source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
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source "$PLUGIN_AVAILABLE_PATH/config/functions"
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tar_build() {
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declare desc="builds apps from tarball via command line"
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local APP="$1"
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shift 1
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# clean up after ourselves
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local TAR_BUILD_TMP_WORK_DIR=$(mktemp -d "/tmp/dokku-${DOKKU_PID}-${FUNCNAME[0]}.XXXXXX")
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trap "rm -rf '$TAR_BUILD_TMP_WORK_DIR' >/dev/null" RETURN INT TERM EXIT
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# extract tar file
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chmod 755 "$TAR_BUILD_TMP_WORK_DIR"
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pushd "$TAR_BUILD_TMP_WORK_DIR" >/dev/null
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# Detect a common prefix that all files in the tar have, and strip off each directory found in it
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local COMMON_PREFIX=$(tar -tf "$DOKKU_ROOT/$APP/src.tar" | sed -e 'N;s/^\(.*\).*\n\1.*$/\1\n\1/;D')
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local BOGUS_PARTS=$(echo "$COMMON_PREFIX " | awk 'BEGIN{FS="/"} {print NF-1}')
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dokku_log_info1_quiet "Striping $BOGUS_PARTS worth of directories from tarball"
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tar -x -C "$TAR_BUILD_TMP_WORK_DIR" -f "$DOKKU_ROOT/$APP/src.tar" --strip-components="$BOGUS_PARTS"
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chmod -R u+r "$TAR_BUILD_TMP_WORK_DIR"
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local DOKKU_APP_DISABLE_ANSI_PREFIX_REMOVAL DOKKU_GLOBAL_DISABLE_ANSI_PREFIX_REMOVAL DOKKU_DISABLE_ANSI_PREFIX_REMOVAL
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DOKKU_APP_DISABLE_ANSI_PREFIX_REMOVAL=$(config_get "$APP" DOKKU_DISABLE_ANSI_PREFIX_REMOVAL || true)
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DOKKU_GLOBAL_DISABLE_ANSI_PREFIX_REMOVAL=$(config_get --global DOKKU_DISABLE_ANSI_PREFIX_REMOVAL || true)
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DOKKU_DISABLE_ANSI_PREFIX_REMOVAL=${DOKKU_APP_DISABLE_ANSI_PREFIX_REMOVAL:="$DOKKU_GLOBAL_DISABLE_ANSI_PREFIX_REMOVAL"}
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if [[ "$DOKKU_DISABLE_ANSI_PREFIX_REMOVAL" == "true" ]]; then
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tar_trigger_build "$APP" "$TAR_BUILD_TMP_WORK_DIR"
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else
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tar_trigger_build "$APP" "$TAR_BUILD_TMP_WORK_DIR" | sed -u "s/^/"$'\e[1G'"/"
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fi
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}
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tar_trigger_build() {
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declare desc="triggers the actual build process for a given app within a directory at a particular revision"
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declare APP="$1" TMP_WORK_DIR="$2" REV="$3"
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local BUILDER
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plugn trigger post-extract "$APP" "$TMP_WORK_DIR" "$REV"
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BUILDER="$(plugn trigger builder-detect "$APP" "$TMP_WORK_DIR" | tail -n1 || true)"
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[[ -z "$BUILDER" ]] && BUILDER="herokuish"
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plugn trigger pre-receive-app "$APP" "$BUILDER" "$TMP_WORK_DIR" "$REV"
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dokku_receive "$APP" "$BUILDER" "$TMP_WORK_DIR"
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}
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cmd-tar-in() {
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declare desc="deploys app from tarball on STDIN via command line"
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declare cmd="tar:in"
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[[ "$1" == "$cmd" ]] && shift 1
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declare APP="$1"
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verify_app_name "$APP"
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tee "$DOKKU_ROOT/$APP/src.tar" | wc -c
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tar_receive_app "$APP"
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}
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cmd-tar-from() {
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declare desc="deploys app from tarball at URL via command line"
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declare cmd="tar:from"
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[[ "$1" == "$cmd" ]] && shift 1
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declare APP="$1" URL="$2"
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verify_app_name "$APP"
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shift 2
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curl -# --insecure -L "$URL" | cmd-tar-in "tar:in" "$APP" "$@"
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}
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tar_receive_app() {
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declare desc="tar receive-app plugin trigger"
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declare APP="$1"
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# Don't trigger tar build if there is no tarball.
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if [[ ! -f "$DOKKU_ROOT/$APP/src.tar" ]]; then
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true
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else
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acquire_app_deploy_lock "$APP"
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tar_build "$@"
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release_app_deploy_lock "$APP"
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fi
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}
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