tasks: use DEBIAN_FRONTEND noninteractive in scripts

tasks/k8s.py

@@ -102,7 +102,11 @@ def install_k8s(debug=False, clean=False):
         symlink_global_bin(binary_path, binary, debug=debug)
 
     # Also install some APT dependencies
-    result = run("sudo apt install -y conntrack socat", shell=True, capture_output=True)
+    result = run(
+        "sudo DEBIAN_FRONTEND=noninteractive apt install -y conntrack socat",
+        shell=True,
+        capture_output=True,
+    )
     assert result.returncode == 0, print(result.stderr.decode("utf-8").strip())
     if debug:
         print(result.stdout.decode("utf-8").strip())

tasks/kernel.py

@@ -65,11 +65,11 @@ def build_guest(debug=False, hot_replace=False):
     build_kernel_base_cmd = " ".join(build_kernel_base_cmd)
 
     # Install APT deps needed to build guest kernel
-    out = run(
-        "sudo apt install -y bison flex libelf-dev libssl-dev make",
-        shell=True,
-        capture_output=True,
+    sudo_cmd = (
+        "sudo DEBIAN_FRONTEND=noninteractive apt install -y bison flex "
+        "libelf-dev libssl-dev make"
     )
+    out = run(sudo_cmd, shell=True, capture_output=True)
     assert out.returncode == 0, "Error installing deps: {}".format(
         out.stderr.decode("utf-8")
     )

tasks/util/kata.py

@@ -246,7 +246,11 @@ def replace_agent(
 
     # ----- Populate rootfs with base ubuntu using Kata's scripts -----
 
-    out = run("sudo apt install -y makedev multistrap", shell=True, capture_output=True)
+    out = run(
+        "sudo DEBIAN_FRONTEND=noninteractive apt install -y makedev multistrap",
+        shell=True,
+        capture_output=True,
+    )
     assert out.returncode == 0, "Error preparing rootfs: {}".format(
         out.stderr.decode("utf-8")
     )

tasks/util/registry.py

@@ -128,7 +128,9 @@ def start(debug=False, clean=False):
             check=True,
         )
         result = run(
-            "sudo dpkg-reconfigure ca-certificates", shell=True, capture_output=True
+            "sudo DEBIAN_FRONTEND=noninteractive dpkg-reconfigure ca-certificates",
+            shell=True,
+            capture_output=True,
         )
         assert result.returncode == 0, print(result.stderr.decode("utf-8").strip())
         if debug: