Impl triggering beta images build via GitHub Actions

.editorconfig

@@ -16,6 +16,10 @@ trim_trailing_whitespace = false
 indent_style = space
 indent_size = 4
 
-[post_push]
+[{post_push, *.sh}]
+indent_style = space
+indent_size = 2
+
+[*.{yml,yaml}]
 indent_style = space
 indent_size = 2

.github/workflows/trigger-beta-build.yml

@@ -0,0 +1,30 @@
+name: Trigger beta images build
+
+on:
+  schedule:
+    - cron: '10 5 * * *'
+  #push:
+  #  branches: ["dev"]
+
+jobs:
+  trigger:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        os:
+          - alpine3.10
+          - buster
+          - buster-slim
+          - stretch
+          - stretch-slim
+
+    steps:
+      - uses: actions/checkout@master
+        with:
+          ref: ${{ github.ref }}
+
+      - run: bash ./check-and-trigger-beta-builds.sh
+        env:
+          IMAGE_OS: ${{ matrix.os }}
+          TRIGGER_TOKEN: ${{ secrets.BETA_TRIGGER_TOKEN }}

.gitignore

@@ -1,3 +1,5 @@
 /.idea/
 /*.iml
 .DS_Store
+
+/*-beta.toml

check-and-trigger-beta-builds.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+
+
+if [ -z "$IMAGE_OS" ]; then
+  echo "error: No IMAGE_OS env var provided"
+  exit 1
+fi
+if [ -z "$TRIGGER_TOKEN" ]; then
+  echo "error: No TRIGGER_TOKEN env var provided"
+  exit 1
+fi
+
+
+set -e
+
+curl -fL -o ./channel-rust-beta.toml \
+     https://static.rust-lang.org/dist/channel-rust-beta.toml
+currentToolchainVer=$(grep -A1 '\[pkg.rustc]' channel-rust-beta.toml \
+                      | grep version \
+                      | cut -d '"' -f2 \
+                      | tr -d "\n")
+echo "--> Current toolchain version: rustc $currentToolchainVer"
+
+docker pull instrumentisto/rust:beta-$IMAGE_OS
+latestImageVer=$(docker run --rm instrumentisto/rust:beta-$IMAGE_OS \
+                 rustc -V \
+                 | tr -d "\n")
+echo "--> Latest image version: $latestImageVer"
+
+if [ "rustc $currentToolchainVer" != "$latestImageVer" ]; then
+  curl -sS -H "Content-Type: application/json" \
+       --data "{\"build\":true,\"docker_tag\":\"beta-$IMAGE_OS\"}" \
+       -X POST \
+         https://cloud.docker.com/api/build/v1/source/$TRIGGER_TOKEN/call/ \
+    >/dev/null \
+  && echo "--> Build trigerred"
+else
+  echo "--> Image is up-to-date, no need to trigger build"
+fi