refactor ping installation using nix

Author: capsulecorplab

playbook.yaml

@@ -104,9 +104,7 @@
   - name: Install Keychain
     shell: nix profile install nixpkgs/release-{{ nixos_release }}#keychain --extra-experimental-features nix-command --extra-experimental-features flakes
   - name: install ping
-    apt:
-      name: iputils-ping
-      update_cache: yes
+    shell: nix profile install nixpkgs#iputils-ping --extra-experimental-features nix-command --extra-experimental-features flakes
   - name: Get keychain version
     shell:
       cmd: keychain -V 2> >(grep -i keychain) 2> >(sed 's/[[:alpha:]|(|[:space:]]//g') | fgrep '*' | sed 's/[*~://]//g'