From 6def9f2d6ba957d068f0d1f0f267247b8e9a89f8 Mon Sep 17 00:00:00 2001
From: tv <tv@shackspace.de>
Date: Sat, 29 Aug 2015 08:29:35 +0200
Subject: krebs pkgs pssh: init

---
 krebs/5pkgs/default.nix      |  1 +
 krebs/5pkgs/pssh/default.nix | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 krebs/5pkgs/pssh/default.nix

(limited to 'krebs/5pkgs')

diff --git a/krebs/5pkgs/default.nix b/krebs/5pkgs/default.nix
index 71bee3fa2..500d5fe25 100644
--- a/krebs/5pkgs/default.nix
+++ b/krebs/5pkgs/default.nix
@@ -18,6 +18,7 @@ rec {
   much = callPackage ./much {};
   nq = callPackage ./nq {};
   posix-array = callPackage ./posix-array {};
+  pssh = callPackage ./pssh {};
   youtube-tools = callPackage ./youtube-tools {};
 
   execve = name: { filename, argv, envp ? {}, destination ? "" }:
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
+''
-- 
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