not use latest containers for ci (#363)

Author: TingDaoK

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ env:
 
 jobs:
   linux-compat:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04 # latest
     strategy:
       matrix:
         image:
@@ -40,7 +40,7 @@ jobs:
         ./linux-container-ci.sh ${{ env.BUILDER_VERSION }} aws-crt-${{ matrix.image }} build downstream -p ${{ env.PACKAGE_NAME }}
 
   linux-compiler-compat:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04 # latest
     strategy:
       matrix:
         compiler:
@@ -63,7 +63,7 @@ jobs:
           ./linux-container-ci.sh ${{ env.BUILDER_VERSION }} aws-crt-${{ env.LINUX_BASE_IMAGE }} build downstream -p ${{ env.PACKAGE_NAME }} --compiler=${{ matrix.compiler }}
 
   clang-sanitizers:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04 # latest
     strategy:
       matrix:
         sanitizers: [",thread", ",address,undefined"]
@@ -75,7 +75,7 @@ jobs:
           ./linux-container-ci.sh ${{ env.BUILDER_VERSION }} aws-crt-${{ env.LINUX_BASE_IMAGE }} build -p ${{ env.PACKAGE_NAME }} --compiler=clang-11 --cmake-extra=-DENABLE_SANITIZERS=ON --cmake-extra=-DSANITIZERS="${{ matrix.sanitizers }}"
 
   linux-shared-libs:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04 # latest
     steps:
       # We can't use the `uses: docker://image` version yet, GitHub lacks authentication for actions -> packages
       - name: Build ${{ env.PACKAGE_NAME }}
@@ -84,7 +84,7 @@ jobs:
           ./linux-container-ci.sh ${{ env.BUILDER_VERSION }} aws-crt-${{ env.LINUX_BASE_IMAGE }} build -p ${{ env.PACKAGE_NAME }} --cmake-extra=-DBUILD_SHARED_LIBS=ON
 
   byo-crypto:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04 # latest
     steps:
       # We can't use the `uses: docker://image` version yet, GitHub lacks authentication for actions -> packages
       - name: Build ${{ env.PACKAGE_NAME }}
@@ -93,15 +93,15 @@ jobs:
           ./linux-container-ci.sh ${{ env.BUILDER_VERSION }} aws-crt-${{ env.LINUX_BASE_IMAGE }} build -p ${{ env.PACKAGE_NAME }} --cmake-extra=-DBYO_CRYPTO=ON
 
   windows:
-    runs-on: windows-latest
+    runs-on: windows-2022 # latest
     steps:
     - name: Build ${{ env.PACKAGE_NAME }} + consumers
       run: |
         python -c "from urllib.request import urlretrieve; urlretrieve('${{ env.BUILDER_HOST }}/${{ env.BUILDER_SOURCE }}/${{ env.BUILDER_VERSION }}/builder.pyz?run=${{ env.RUN }}', 'builder.pyz')"
         python builder.pyz build -p ${{ env.PACKAGE_NAME }}
 
   windows-vc14:
-    runs-on: windows-latest
+    runs-on: windows-2019 # windows-2019 is last env with Visual Studio 2015 (v14.0)
     strategy:
       matrix:
         arch: [x86, x64]
@@ -112,20 +112,18 @@ jobs:
         python builder.pyz build -p ${{ env.PACKAGE_NAME }} --target windows-${{ matrix.arch }} --compiler msvc-14
 
   windows-shared-libs:
-    runs-on: windows-latest
+    runs-on: windows-2022 # latest
     steps:
     - name: Build ${{ env.PACKAGE_NAME }} + consumers
       run: |
         python -c "from urllib.request import urlretrieve; urlretrieve('${{ env.BUILDER_HOST }}/${{ env.BUILDER_SOURCE }}/${{ env.BUILDER_VERSION }}/builder.pyz?run=${{ env.RUN }}', 'builder.pyz')"
         python builder.pyz build -p ${{ env.PACKAGE_NAME }} --cmake-extra=-DBUILD_SHARED_LIBS=ON
 
   osx:
-    runs-on: macos-latest
+    runs-on: macos-11 # latest
     steps:
     - name: Build ${{ env.PACKAGE_NAME }} + consumers
       run: |
         python3 -c "from urllib.request import urlretrieve; urlretrieve('${{ env.BUILDER_HOST }}/${{ env.BUILDER_SOURCE }}/${{ env.BUILDER_VERSION }}/builder.pyz?run=${{ env.RUN }}', 'builder')"
         chmod a+x builder
         ./builder build downstream -p ${{ env.PACKAGE_NAME }}
-
-

.github/workflows/clang-format.yml

@@ -5,7 +5,7 @@ on: [push]
 jobs:
   clang-format:
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04 # latest
 
     steps:
     - name: Checkout Sources