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authorArnold Krille <arnold@arnoldarts.de>2016-03-18 15:29:45 +0100
committerArnold Krille <arnold@arnoldarts.de>2016-04-02 17:07:41 +0200
commit2d6a2b41313464ba82297c4f6e86c7026c7d132e (patch)
tree45e5f6863336a6908496d6268a317b13d7cd1a4d /nixos/tests/containers-imperative.nix
parent3b31c52d4b2784de33280feb9949f2ab8241ac50 (diff)
containers tests: Distinguish declarative and imperative containers
Diffstat (limited to 'nixos/tests/containers-imperative.nix')
-rw-r--r--nixos/tests/containers-imperative.nix87
1 files changed, 87 insertions, 0 deletions
diff --git a/nixos/tests/containers-imperative.nix b/nixos/tests/containers-imperative.nix
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+++ b/nixos/tests/containers-imperative.nix
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+# Test for NixOS' container support.
+
+import ./make-test.nix ({ pkgs, ...} : {
+ name = "containers-imperative";
+ meta = with pkgs.stdenv.lib.maintainers; {
+ maintainers = [ aristid aszlig eelco chaoflow ];
+ };
+
+ machine =
+ { config, pkgs, ... }:
+ { imports = [ ../modules/installer/cd-dvd/channel.nix ];
+ virtualisation.writableStore = true;
+ virtualisation.memorySize = 768;
+ virtualisation.pathsInNixDB = [ pkgs.stdenv ];
+ };
+
+ testScript =
+ ''
+ # Make sure we have a NixOS tree (required by ‘nixos-container create’).
+ $machine->succeed("PAGER=cat nix-env -qa -A nixos.hello >&2");
+
+ # Create some containers imperatively.
+ my $id1 = $machine->succeed("nixos-container create foo --ensure-unique-name");
+ chomp $id1;
+ $machine->log("created container $id1");
+
+ my $id2 = $machine->succeed("nixos-container create foo --ensure-unique-name");
+ chomp $id2;
+ $machine->log("created container $id2");
+
+ die if $id1 eq $id2;
+
+ # Put the root of $id2 into a bind mount.
+ $machine->succeed(
+ "mv /var/lib/containers/$id2 /id2-bindmount",
+ "mount --bind /id2-bindmount /var/lib/containers/$id1"
+ );
+
+ my $ip1 = $machine->succeed("nixos-container show-ip $id1");
+ chomp $ip1;
+ my $ip2 = $machine->succeed("nixos-container show-ip $id2");
+ chomp $ip2;
+ die if $ip1 eq $ip2;
+
+ # Create a directory and a file we can later check if it still exists
+ # after destruction of the container.
+ $machine->succeed(
+ "mkdir /nested-bindmount",
+ "echo important data > /nested-bindmount/dummy",
+ );
+
+ # Create a directory with a dummy file and bind-mount it into both
+ # containers.
+ foreach ($id1, $id2) {
+ my $importantPath = "/var/lib/containers/$_/very/important/data";
+ $machine->succeed(
+ "mkdir -p $importantPath",
+ "mount --bind /nested-bindmount $importantPath"
+ );
+ }
+
+ # Start one of them.
+ $machine->succeed("nixos-container start $id1");
+
+ # Execute commands via the root shell.
+ $machine->succeed("nixos-container run $id1 -- uname") =~ /Linux/ or die;
+
+ # Stop and start (regression test for #4989)
+ $machine->succeed("nixos-container stop $id1");
+ $machine->succeed("nixos-container start $id1");
+
+ # Execute commands via the root shell.
+ $machine->succeed("nixos-container run $id1 -- uname") =~ /Linux/ or die;
+
+ # Destroy the containers.
+ $machine->succeed("nixos-container destroy $id1");
+ $machine->succeed("nixos-container destroy $id2");
+
+ $machine->succeed(
+ # Check whether destruction of any container has killed important data
+ "grep -qF 'important data' /nested-bindmount/dummy",
+ # Ensure that the container path is gone
+ "test ! -e /var/lib/containers/$id1"
+ );
+ '';
+
+})