Linux: Hammer schedule creation script example

./prd-b-scheduler 
#!/bin/bash

# request dates
echo
echo
echo -e "\033[5m*** PRD B Patching ***\033[0m"
echo
echo Welcome to the DEV server patching scheduler
echo Please be aware that these scripts setup the needed jobs for each environment.
echo Refer to wiki article https://itwiki.domainname.com/index.php/Satellite_Hosts_Updating_Process#Configuration_with_running_count
echo for detail times.
echo
echo -e "\033[1mPatch Date\033[0m"
echo What date are you running the patch?
echo Format: yyyy-mm-dd
        read patchdate
echo
echo -e "\033[1mPatch Time\033[0m"
echo Note: Add 4 hours to the time you want to run the job to convert from EST to UTC.
echo Your time must be between 00:00 and 23:59 UTC.
echo The suggested time in UTC would be 08:00.  All additional jobs for this environment will be scheduled before or after the main autoreboot job as needed.
echo -e What time in UTC would you like to run the main patch?
echo format hh:mm
        read patchtime

# Auto Reboot pull
file1="servers/prd-b-servers-main-autoreboot"
while IFS= read -r list1
do
        # display $line or do somthing with $line
	printf '%s\n' "$list1"
hammer job-invocation create --description-format "Prd-b server patching - auto reboot" --job-template "Patching: Full update - Auto reboot"  --search-query "$list1" --start-at "$patchdate $patchtime"
done <"$file1"

# UM and APIG Autoreboot time split 1
patchtime2=$(date -d "$patchtime today - 180 minutes" +'%H:%M')
echo "$patchtime2"

file2="servers/prd-b-servers-um-apig2-autoreboot"
while IFS= read -r list2
do
        # display $line or do somthing with $line
        printf '%s\n' "$list2"
hammer job-invocation create --description-format "Prd-b um-apig2 patching: full update - auto reboot" --job-template "Patching: Full update - Auto reboot"  --search-query "$list2" --start-at "$patchdate $patchtime2"
done <"$file2"


# UM and APIG Autoreboot time split 2
patchtime3=$(date -d "$patchtime today - 120 minutes" +'%H:%M')
echo "$patchtime3"

file3="servers/prd-b-servers-um-apig3-autoreboot"
while IFS= read -r list3
do
  	# display $line or do somthing with $line
        printf '%s\n' "$list3"
hammer job-invocation create --description-format "Prd-b um-apig3 patching: full update - auto reboot" --job-template "Patching: Full update - Auto reboot"  --search-query "$list3" --start-at "$patchdate $patchtime3"
done <"$file3"

# BAM server shutdown
patchtime4=$(date -d "$patchtime today - 45 minutes" +'%H:%M')
echo "$patchtime4"

file4="servers/prd-b-servers-bam-autoreboot"
while IFS= read -r list4
do
  	# display $line or do somthing with $line
        printf '%s\n' "$list4"
hammer job-invocation create --description-format "Prd-b patching: bam server (prd-b) application shutdown/update/reboot" --job-template "Patching: Bam server (QA/UAT/PRD) application shutdown/update/reboot"  --search-query "$list4" --start-at "$patchdate $patchtime4"
done <"$file4"

# BAM server startup
patchtime5=$(date -d "$patchtime today - 15 minutes" +'%H:%M')
echo "$patchtime5"

file5="servers/prd-b-servers-bam-autoreboot"
while IFS= read -r list5
do
  	# display $line or do somthing with $line
        printf '%s\n' "$list5"
hammer job-invocation create --description-format "Prd-b patching: bam server (prd-b) application startup - done after reboot" --job-template "Patching: Bam server (QA/UAT/PRD) application startup - Done after reboot"  --search-query "$list5" --start-at "$patchdate $patchtime5"
done <"$file5"