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authorlassulus <lass@lassul.us>2017-05-29 10:54:07 +0200
committerlassulus <lass@lassul.us>2017-05-29 10:54:07 +0200
commit35bc9f03a9bea7c6f864b95c95f5c095fa53e92b (patch)
tree059b5dc3b4fee6838b35f272a75dde3bd2ac785b /krebs/5pkgs/simple/pssh/default.nix
parent6e93f661e0b31c95f69d1bd3a6f208d26e3e0958 (diff)
parent4d1de57df5800879e7fcfcc38e5a10f0c1b993d7 (diff)
Merge remote-tracking branch 'ni/master'
Diffstat (limited to 'krebs/5pkgs/simple/pssh/default.nix')
-rw-r--r--krebs/5pkgs/simple/pssh/default.nix36
1 files changed, 36 insertions, 0 deletions
diff --git a/krebs/5pkgs/simple/pssh/default.nix b/krebs/5pkgs/simple/pssh/default.nix
new file mode 100644
index 000000000..2676af0cf
--- /dev/null
+++ b/krebs/5pkgs/simple/pssh/default.nix
@@ -0,0 +1,36 @@
+{ writeDashBin }:
+
+writeDashBin "pssh" ''
+ 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
+''