docs: update asciinema videos (#2777)

docs/screencasts/docker/create-cluster.expect

@@ -23,26 +23,21 @@ spawn asciinema rec --overwrite /recordings/create-cluster.cast
 send "\r"
 expect_prompt
 
-run_command "# Step 1: Create cloud environment"
+run_command "# Step 1: Create the Constellation cluster"
 expect_prompt
-run_command "constellation create"
+run_command "constellation apply"
 expect -re "y\/n"
 send "y"
 send "\r"
 expect_prompt
 
-run_command "# Step 2: Initialize Constellation"
-expect_prompt
-run_command "constellation apply"
-expect_prompt
-
 run_command "# Wait for cluster to finish bootstrapping..."
 expect_prompt
 # Without a sleep we only see a single node, not 5.
 run_command "sleep 300"
 expect_prompt
 
-run_command "# Step 3: Connect to Constellation"
+run_command "# Step 2: Connect to Constellation"
 expect_prompt
 run_command "export KUBECONFIG=/constellation/constellation-admin.conf"
 expect_prompt

docs/screencasts/docker/github-readme.expect

@@ -23,13 +23,12 @@ spawn asciinema rec --overwrite /recordings/github-readme.cast
 send "\r"
 expect_prompt
 
-run_command "constellation create"
-expect -re "y\/n"
-send "y"
-send "\r"
+run_command "constellation config generate gcp"
+expect_prompt
+run_command "constellation iam create gcp --update-config --projectID constellation-331613 --serviceAccountID constellation-demo --zone europe-west3-b -y"
 expect_prompt
 
-run_command "constellation apply"
+run_command "constellation apply -y"
 expect_prompt
 
 run_command "export KUBECONFIG=/constellation/constellation-admin.conf"

docs/screencasts/generate-readme-svg.sh

@@ -8,13 +8,6 @@
 # screenrecordings container. A full script run takes ~20min.
 #
 
-# Create IAM configuration
-docker run -it \
-  -v "${HOME}"/.config/gcloud:/root/.config/gcloud \
-  -v "$(pwd)"/recordings:/recordings \
-  -v "$(pwd)"/constellation:/constellation \
-  screenrecodings /scripts/configure-cluster.expect
-
 docker build -t screenrecodings docker
 
 # Create cast
@@ -34,7 +27,7 @@ tail -n+2 recordings/github-readme.cast >> new_header.cast
 
 # Then render cast into svg using:
 #   https://github.com/nbedos/termtosvg
-termtosvg render new_header.cast readme.svg -t window-frame.svg -D 1ms
+python3 -m termtosvg render new_header.cast readme.svg -t window-frame.svg -D 1ms
 
 # Copy and cleanup
 cp readme.svg ../static/img/shell-windowframe.svg