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-rw-r--r--krebs/5pkgs/pssh/default.nix37
1 files changed, 37 insertions, 0 deletions
diff --git a/krebs/5pkgs/pssh/default.nix b/krebs/5pkgs/pssh/default.nix
new file mode 100644
index 000000000..fd48d3e7c
--- /dev/null
+++ b/krebs/5pkgs/pssh/default.nix
@@ -0,0 +1,37 @@
+{ writeScriptBin }:
+
+writeScriptBin "pssh" ''
+ #! /bin/sh
+ set -efu
+ case ''${1-} in
+
+ # TODO create plog with -o json | jq ... | map date
+
+ # usage: pssh {-j,--journal} host...
+ # Follow journal at each host.
+ -j|--journal)
+ shift
+ "$0" journalctl -n0 -ocat --follow --all ::: "$@" \
+ | while read line; do
+ printf '%s %s\n' "$(date --rfc-3339=s)" "$line"
+ done
+ ;;
+
+ -*)
+ echo $0: unknown option: $1 >&2
+ exit 1
+ ;;
+
+ # usage: pssh command [arg...] ::: host...
+ # Run command at each host.
+ *)
+ exec parallel \
+ --line-buffer \
+ -j0 \
+ --no-notice \
+ --tagstring {} \
+ ssh -T {} "$@"
+ ;;
+
+ esac
+''