1 files changed, 86 insertions, 0 deletions
diff --git a/scripts/update_hosts.sh b/scripts/update_hosts.sh
new file mode 100755
index 0000000..4f32722
--- /dev/null
+++ b/scripts/update_hosts.sh
@@ -0,0 +1,86 @@
+#! /usr/bin/env sh
+set -e
+
+base_dir="$(git rev-parse --show-toplevel)"
+
+user="$USER"
+set_hosts=""
+branch="main"
+direct=false
+
+while [ "$#" -ne 0 ]; do
+    case "$1" in
+    --user)
+        shift 1
+        user="$1"
+        ;;
+    --host)
+        shift 1
+        set_hosts="$set_hosts $1"
+        ;;
+    --hosts)
+        shift 1
+        if [ -n "$set_hosts" ]; then
+            echo "Warning: --hosts overrides --host"
+        fi
+        set_hosts="$1"
+        ;;
+    --branch)
+        shift 1
+        branch="$1"
+        ;;
+    --direct)
+        direct=true
+        ;;
+    *)
+        echo "Arg '$1' not known."
+        exit 2
+        ;;
+    esac
+    shift 1
+done
+
+hosts="${set_hosts-"server2 server3"}"
+
+echo "update_hosts.sh --user '$user' --hosts '$hosts' --branch '$branch' --direct '$direct'"
+
+for host in $hosts; do
+    echo "Updating '$user@$host.vhack.eu' ..."
+
+    printf "Deploying remote side script ..\n"
+    scp "$base_dir/scripts/update_hosts.remote" "$user@$host.vhack.eu:update_host.remote"
+
+    flake_path=""
+    if [ "$direct" = true ]; then
+        printf "Deploying git config ..\n"
+
+        flake_path="path:$(git archive --format=tar.gz HEAD |
+            ssh "$user@$host.vhack.eu" \
+                'flake_path=$(mktemp -d -t update_hosts_XXXXX); cd $flake_path && tar -xz; echo $flake_path')"
+
+    fi
+
+    tmp="$(mktemp -d -t "server_build_script_XXXXX")"
+    trap 'rm -r "$tmp"' EXIT
+    if [ "$direct" = true ]; then
+        git archive --format=tar.gz HEAD | {
+            cd "$tmp"
+            tar -xz
+        }
+    else
+        git clone "git.foss-syndicate.org" --branch="$branch" "$tmp"
+    fi
+    cd "$tmp"
+
+    printf "Copying closure ..\n"
+    nix copy --substitute-on-destination --to "ssh://$user@$host.vhack.eu" ".#nixosConfigurations.$host.config.system.build.toplevel"
+
+    printf "Executing remote side script ..\n"
+    ssh -t "$user@$host.vhack.eu" "chmod +x update_host.remote; ./update_host.remote '$branch' '$flake_path'"
+done
+
+# Give the servers some time to reboot
+sleep 5
+ping_hosts.sh "$user" "$hosts"
+
+# vim: ft=sh