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feat: allow setting DOCKER_BIN path for docker execution

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This change allows operators to specify a DOCKER_BIN environment variable. This will specify a binary to run when executing docker, which is useful in cases where the 'docker' command being run must be modified in a way that would otherwise be invasive to Dokku, but minimalistic if done within a wrapper.
This commit is contained in:
Jose Diaz-Gonzalez
2019-05-29 00:08:02 -04:00
parent 0e03c82139
commit 785d9b4937
33 changed files with 155 additions and 106 deletions
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12
plugins/build-env/pre-build-buildpack
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@@ -19,14 +19,14 @@ build_env_pre_build_buildpack() {
dokku_log_info1 "Adding BUILD_ENV to build environment..."
# create build env files for use in buildpacks like this:
# https://github.com/niteoweb/heroku-buildpack-buildout/blob/5879fa3418f7d8e079f1aa5816ba1adde73f4948/bin/compile#L34
id=$(config_bundle --merged "$APP" | docker run "$DOKKU_GLOBAL_RUN_ARGS" -i -a stdin "$IMAGE" /bin/bash -c "mkdir -p /tmp/env; cat | tar -x -C /tmp/env")
test "$(docker wait "$id")" -eq 0
docker commit "$id" "$IMAGE" >/dev/null
id=$(config_bundle --merged "$APP" | "$DOCKER_BIN" run "$DOKKU_GLOBAL_RUN_ARGS" -i -a stdin "$IMAGE" /bin/bash -c "mkdir -p /tmp/env; cat | tar -x -C /tmp/env")
test "$("$DOCKER_BIN" wait "$id")" -eq 0
"$DOCKER_BIN" commit "$id" "$IMAGE" >/dev/null
# create build env for 'old style' buildpacks and dokku plugins
id=$(config_export app "$APP" --format envfile --merged | docker run "$DOKKU_GLOBAL_RUN_ARGS" -i -a stdin "$IMAGE" /bin/bash -c "cat >> /app/.env")
test "$(docker wait "$id")" -eq 0
docker commit "$id" "$IMAGE" >/dev/null
id=$(config_export app "$APP" --format envfile --merged | "$DOCKER_BIN" run "$DOKKU_GLOBAL_RUN_ARGS" -i -a stdin "$IMAGE" /bin/bash -c "cat >> /app/.env")
test "$("$DOCKER_BIN" wait "$id")" -eq 0
"$DOCKER_BIN" commit "$id" "$IMAGE" >/dev/null
}
build_env_pre_build_buildpack "$@"