diff --git a/Dockerfile b/Dockerfile index bbb5e3d..f20f471 100644 --- a/Dockerfile +++ b/Dockerfile @@ -1,13 +1,18 @@ -FROM traefik:v2.9.5 +FROM traefik:2.9.5 + +ARG BUILD_TIME LABEL dev.egommerce.image.author="Piotr Biernat" LABEL dev.egommerce.image.vendor="Egommerce" LABEL dev.egommerce.image.service="api-gateway" LABEL dev.egommerce.image.version="1.0" +LABEL dev.egommerce.image.build_time=${BUILD_TIME} COPY ./api-gateway/etc /etc/traefik COPY ./api-gateway/plugins /plugins-local +COPY ./api-gateway/entrypoint.sh ./api-gateway/wait-for-it.sh / + +ENTRYPOINT ["/entrypoint.sh"] +CMD ["traefik"] EXPOSE 443 8080 - -# ENTRYPOINT ["/traefik"] # FIXME stack->stack config.yml diff --git a/api-gateway/entrypoint.sh b/api-gateway/entrypoint.sh new file mode 100755 index 0000000..4217125 --- /dev/null +++ b/api-gateway/entrypoint.sh @@ -0,0 +1,36 @@ +#!/bin/sh +set +e + +waitForService() +{ + ./wait-for-it.sh $1 -t 2 1>/dev/null 2>&1 + status=$? + while [ $status != 0 ] + do + echo "[x] wating for $1..." + sleep 1 + ./wait-for-it.sh $1 -t 2 1>/dev/null 2>&1 + status=$? + done +} + +waitForService "api-registry:8500" + +set -e + +# first arg is `-f` or `--some-option` +if [ "${1#-}" != "$1" ]; then + set -- traefik "$@" +fi + +# if our command is a valid Traefik subcommand, let's invoke it through Traefik instead +# (this allows for "docker run traefik version", etc) +if traefik "$1" --help >/dev/null 2>&1 +then + set -- traefik "$@" +else + echo "= '$1' is not a Traefik command: assuming shell execution." 1>&2 +fi + +# echo "Executing: $@" +exec "$@" diff --git a/api-gateway/etc/tls.yml b/api-gateway/etc/tls.yml new file mode 100644 index 0000000..8010688 --- /dev/null +++ b/api-gateway/etc/tls.yml @@ -0,0 +1,9 @@ +tls: + certificates: + certFile: /etc/traefik/certs/client.cert + keyFile: /etc/traefik/certs/client.key + # stores: + # default: + # defaultCertificate: + # certFile: /etc/traefik/certs/client.cert + # keyFile: /etc/traefik/certs/client.key diff --git a/api-gateway/etc/traefik.yml b/api-gateway/etc/traefik.yml index 2a8f978..1e19cc0 100644 --- a/api-gateway/etc/traefik.yml +++ b/api-gateway/etc/traefik.yml @@ -1,7 +1,7 @@ ################################################################ -# global: - # checkNewVersion: true - # sendAnonymousUsage: true +global: + checkNewVersion: false + sendAnonymousUsage: false ################################################################ entryPoints: @@ -9,27 +9,16 @@ entryPoints: address: :443 transport: respondingTimeouts: - readTimeout: '10ms' - writeTimeout: '10ms' - idleTimeout: '20ms' - db: - address: :5432 - mongodb: - address: :27017 - eventbus: - address: :5672 - # redis: - # address: :6379 + readTimeout: '100ms' + writeTimeout: '100ms' + idleTimeout: '200ms' + # ^^ FIXME: Use ENV var ################################################################ serversTransport: -# # insecureSkipVerify: true + insecureSkipVerify: true rootCAs: - - /etc/traefik/certs/identity-svc/server.cert - - /etc/traefik/certs/basket-svc/server.cert - - /etc/traefik/certs/catalog-svc/server.cert - - /etc/traefik/certs/postgres-db/server.cert - # - /etc/traefik/certs/api-eventbus/server.cert + - /etc/traefik/certs/client.cert ################################################################ api: @@ -38,16 +27,10 @@ api: ################################################################ providers: - # file: - # directory: /etc/traefik/services -################################################################ + file: + filename: /etc/traefik/tls.yml docker: - # Docker server endpoint. Can be a tcp or a unix socket endpoint. - # endpoint: unix:///var/run/docker.sock exposedByDefault: false - # network: api-gateway-network - # useBindPortIP: true - # Default host rule. # Optional # Default: "Host(`{{ normalize .Name }}`)" @@ -55,16 +38,15 @@ providers: ################################################################ consulCatalog: exposedByDefault: false - # serviceName: api-gateway refreshInterval: 5s + # ^^ configure in stack`s yml api-registry `command:` section: --providers.consulcatalog.refreshInterval=10s endpoint: address: api-registry:8500 + # ^^ FIXME: Use ENV var ################################################################ log: level: DEBUG -# filePath: log/traefik.log -# format: json ################################################################ # accessLog: {} diff --git a/api-gateway/wait-for-it.sh b/api-gateway/wait-for-it.sh new file mode 100755 index 0000000..fff13c9 --- /dev/null +++ b/api-gateway/wait-for-it.sh @@ -0,0 +1,165 @@ +#!/usr/bin/env sh +# Use this script to test if a given TCP host/port are available + +set -e + +cmdname=$(basename "$0") + +echoerr() { + if [ "$QUIET" -ne 1 ]; then + printf "%s\n" "$*" 1>&2; + fi +} + +usage() +{ + exitcode="$1" + cat << USAGE >&2 +Usage: + $cmdname host:port [-s] [-t timeout] [-- command args] + -h HOST | --host=HOST Host or IP under test + -p PORT | --port=PORT TCP port under test + Alternatively, you specify the host and port as host:port + -s | --strict Only execute subcommand if the test succeeds + -q | --quiet Don't output any status messages + -t TIMEOUT | --timeout=TIMEOUT + Timeout in seconds, zero for no timeout + -- COMMAND ARGS Execute command with args after the test finishes +USAGE + exit "$exitcode" +} + +wait_for() +{ + if [ "$TIMEOUT" -gt 0 ]; then + echoerr "$cmdname: waiting $TIMEOUT seconds for $HOST:$PORT" + else + echoerr "$cmdname: waiting for $HOST:$PORT without a timeout" + fi + start_ts=$(date +%s) + while true + do + nc -z "$HOST" "$PORT" >/dev/null 2>&1 + result=$? + if [ $result -eq 0 ]; then + end_ts=$(date +%s) + echoerr "$cmdname: $HOST:$PORT is available after $((end_ts - start_ts)) seconds" + break + fi + sleep 1 + done + return $result +} + +wait_for_wrapper() +{ + # In order to support SIGINT during timeout: http://unix.stackexchange.com/a/57692 + if [ "$QUIET" -eq 1 ]; then + timeout "$TIMEOUT" "$0" -q -child "$HOST":"$PORT" -t "$TIMEOUT" & + else + timeout "$TIMEOUT" "$0" --child "$HOST":"$PORT" -t "$TIMEOUT" & + fi + PID=$! + trap 'kill -INT -$PID' INT + wait $PID + RESULT=$? + if [ $RESULT -ne 0 ]; then + echoerr "$cmdname: timeout occurred after waiting $TIMEOUT seconds for $HOST:$PORT" + fi + return $RESULT +} + +TIMEOUT=15 +STRICT=0 +CHILD=0 +QUIET=0 +# process arguments +while [ $# -gt 0 ] +do + case "$1" in + *:* ) + HOST=$(printf "%s\n" "$1"| cut -d : -f 1) + PORT=$(printf "%s\n" "$1"| cut -d : -f 2) + shift 1 + ;; + --child) + CHILD=1 + shift 1 + ;; + -q | --quiet) + QUIET=1 + shift 1 + ;; + -s | --strict) + STRICT=1 + shift 1 + ;; + -h) + HOST="$2" + if [ "$HOST" = "" ]; then break; fi + shift 2 + ;; + --host=*) + HOST=$(printf "%s" "$1" | cut -d = -f 2) + shift 1 + ;; + -p) + PORT="$2" + if [ "$PORT" = "" ]; then break; fi + shift 2 + ;; + --port=*) + PORT="${1#*=}" + shift 1 + ;; + -t) + TIMEOUT="$2" + if [ "$TIMEOUT" = "" ]; then break; fi + shift 2 + ;; + --timeout=*) + TIMEOUT="${1#*=}" + shift 1 + ;; + --) + shift + break + ;; + --help) + usage 0 + ;; + *) + echoerr "Unknown argument: $1" + usage 1 + ;; + esac +done + +if [ "$HOST" = "" -o "$PORT" = "" ]; then + echoerr "Error: you need to provide a host and port to test." + usage 2 +fi + +if [ $CHILD -gt 0 ]; then + wait_for + RESULT=$? + exit $RESULT +else + if [ "$TIMEOUT" -gt 0 ]; then + wait_for_wrapper + RESULT=$? + else + wait_for + RESULT=$? + fi +fi + +if [ "$*" != "" ]; then + if [ $RESULT -ne 0 -a $STRICT -eq 1 ]; then + echoerr "$cmdname: strict mode, refusing to execute subprocess" + exit $RESULT + fi + exec "$@" +else + exit $RESULT +fi diff --git a/deploy/image-build.sh b/deploy/image-build.sh index 0dbf09e..5a1a89e 100755 --- a/deploy/image-build.sh +++ b/deploy/image-build.sh @@ -2,15 +2,16 @@ # RUN IN REPO ROOT DIR !! export IMAGE_NAME="git.pbiernat.dev/egommerce/api-gateway" +export BUILD_TIME=$(date +"%Y%m%d%H%M%S") TARGET=${1:-latest} echo "Building: $IMAGE_NAME:$TARGET" if [ $TARGET = "dev" ] then - docker build --rm --no-cache -t "$IMAGE_NAME:dev" . # >/dev/null 2>&1 + docker build --build-arg BUILD_TIME --rm --no-cache -t "$IMAGE_NAME:dev" . # >/dev/null 2>&1 else - docker build --rm --cache-from "$IMAGE_NAME:$TARGET" -t "$IMAGE_NAME:$TARGET" . >/dev/null 2>&1 + docker build --build-arg BUILD_TIME --rm --cache-from "$IMAGE_NAME:$TARGET" -t "$IMAGE_NAME:$TARGET" . >/dev/null 2>&1 fi echo "Done."