+ gumosh reboot_check zman

This commit is contained in:
Jeffrey Serio 2023-01-16 01:38:04 -06:00
parent 434ba72c9f
commit c40577534d
3 changed files with 92 additions and 0 deletions

51
gumosh Executable file
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#!/usr/bin/env bash
# This script parses the ssh config at ~/.ssh/config to find user@host
# entries, then uses gum choose to select one user@host to ssh into.
# Check for gum.
if ! test -x "$(command -v gum)"; then
echo "Missing dependency: gum"
echo "See github.com/charmbracelet/gum"
exit 1
fi
SSH_CONFIG="${HOME}/.ssh/config"
usern_array=()
hostn_array=()
logins=()
# Read Users from ssh config and store them in usern_array.
while IFS= read -r line; do
if [[ "$line" == *"User"* ]]; then
usern=$(echo $line | awk '{ print $2 }')
usern_array+=($usern)
fi
done < "${SSH_CONFIG}"
# Read HostNames from ssh config and store them in hostn_array.
while IFS= read -r line; do
if [[ "$line" == *"HostName"* ]]; then
hostn=$(echo $line | awk '{ print $2 }')
hostn_array+=($hostn)
fi
done < "${SSH_CONFIG}"
# Set the array_len to the size of usern_array - 1.
let "array_len = ${#usern_array[@]} - 1"
# Iterate through usern_array and hostn_array and match user and host
# pairs, then store them in the logins array in "user@host" format.
for i in $(seq 0 $array_len); do
userhost=$(printf "%s@%s" "${usern_array[i]}" "${hostn_array[i]}")
logins+=($userhost)
done
# Print each member of logins array on a new line and pipe to gum choose.
# Store selection.
selection=$(printf "%s\n" "${logins[@]}" | gum choose --limit=1)
# If $selection is non-empty, pass it to the ssh -X command.
if test -n "${selection}"; then
mosh "${selection}"
fi

37
reboot_check Executable file
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#!/usr/bin/env bash
# This script reads user@host lines from ~/.server_hosts. Each host
# is a RHEL-like operating system where the dnf-utils and
# dnf-automatic packages are installed. dnf-automatic is configured
# to download and apply updates periodically. The 'needs-restarting'
# command provided by the dnf-utils packages is assumed to be
# available on each host. Each host is checked via SSH to see if it
# needs-restarting after core libraries and services have been
# updated since the last boot-up. If a restart has been initiated for
# a given host, notify-send will notify the user.
set -euo pipefail
HOST_FILE="${HOME}/.server_hosts"
host_array=()
RED='\033[1;31m'
YELLOW='\033[1;33m'
GREEN='\033[1;32m'
NC='\033[0m'
# Read hosts from ~/.server_hosts
while IFS= read -r line; do
host=$(echo $line)
host_array+=($host)
done < "${HOST_FILE}"
for host in "${host_array[@]}"; do
hostname=$(echo $host | cut --delimiter="@" --fields=2)
if ssh "$host" -- sudo needs-restarting -r >/dev/null; then
echo -e "$hostname: ${GREEN}OK${NC}"
else
ssh "$host" -- sudo systemctl reboot >/dev/null
echo -e "$hostname: ${RED}Restart initiated${NC}"
notify-send "$hostname: Restart initiated"
fi
done

4
zman Executable file
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#!/usr/bin/env zsh
CMD=$(gum input --placeholder="command")
zellij action new-pane -- man "$CMD"