Finalize workflow for README svg.

Signed-off-by: Fabian Kammel <fk@edgeless.systems>

docs/screencasts/docker/Dockerfile

@@ -23,6 +23,8 @@ RUN curl -sLO https://github.com/edgelesssys/constellation/releases/latest/downl
 # As mount point for $HOME/.config/gcloud
 RUN mkdir /root/.config
 
+# Disable spinner when running Constellation CLI commands
+ENV CONSTELL_NO_SPINNER=1
 # Enable RGB colors in PS1
 ENV TERM=xterm-256color
 # Set width of terminal, default is ~80 and leads to broken lines for long lines,

docs/screencasts/docker/configure-cluster.expect

@@ -31,6 +31,7 @@ send "y"
 send "\r"
 expect_prompt
 
+# TODO: Delete step once #1149 released
 run_command "# Step 2: Fill in configuration"
 expect_prompt
 run_command "yq '.provider.gcp.project = \"constellation-331613\"' -i constellation-conf.yaml"

docs/screencasts/docker/github-readme.expect

@@ -0,0 +1,88 @@
+#!/usr/bin/expect -f
+# Note: Expects to be able to run 'sudo install' without a password
+
+set timeout -1
+set send_human {0.05 0 1 0.05 0.3}
+set CTRLC \003
+set CTRLX \030
+set record_name [lindex $argv 0];
+
+proc expect_prompt {} {
+    # This matches the trailing 0m of our ANSI control sequence. See PS1 in Dockerfile.
+    expect "0m "
+}
+
+proc run_command {cmd} {
+    send -h "$cmd"
+    send "\r"
+    expect -timeout 1
+}
+
+# Start recording
+spawn asciinema rec --overwrite /recordings/github-readme.cast
+send "\r"
+expect_prompt
+
+run_command "# Step 1: Create IAM configuration"
+expect_prompt
+run_command "constellation iam create gcp --generate-config --projectID constellation-331613 --serviceAccountID constellation-demo --zone europe-west3-b"
+expect -re "y\/n"
+send "y"
+send "\r"
+expect_prompt
+
+# TODO: Delete step once #1149 released
+run_command "# Step 2: Fill in configuration"
+expect_prompt
+run_command "yq '.provider.gcp.project = \"constellation-331613\"' -i constellation-conf.yaml"
+expect_prompt
+run_command "yq '.provider.gcp.zone = \"europe-west3-b\"' -i constellation-conf.yaml"
+expect_prompt
+run_command "yq '.provider.gcp.region = \"europe-west3\"' -i constellation-conf.yaml"
+expect_prompt
+run_command "cat constellation-conf.yaml | head -n15"
+expect_prompt
+
+run_command "# Step 3: Create cloud environment"
+expect_prompt
+run_command "constellation create --control-plane-nodes 3 --worker-nodes 2"
+expect -re "y\/n"
+send "y"
+send "\r"
+expect_prompt
+
+run_command "# Step 4: Initialize Constellation"
+expect_prompt
+run_command "constellation init"
+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 5: Connect to Constellation"
+expect_prompt
+run_command "export KUBECONFIG=/constellation/constellation-admin.conf"
+expect_prompt
+run_command "kubectl get nodes"
+
+run_command "# Step 6: Delete Constellation cluster"
+expect_prompt
+run_command "constellation terminate"
+expect -re "y\/n"
+send "y"
+send "\r"
+expect_prompt
+
+run_command "# Step 7: Remove IAM resources"
+expect_prompt
+run_command "cd constellation-iam-terraform"
+expect_prompt
+run_command "terraform apply -destroy -auto-approve"
+expect -timeout 25
+run_command "# All resources are cleaned up."
+
+# Stop recording
+send "exit"