talexander/machine_setup
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Switch k8s_snapshot to using arrays.

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This commit is contained in:
Tom Alexander 2023-07-18 17:34:29 -04:00
parent b9a199c5f5
commit 8424abdfa9
Signed by: talexander
GPG Key ID: D3A179C9A53C0EDE
2 changed files with 23 additions and 5 deletions
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4
ansible/roles/mrmanager/files/k8s_rollback.bash
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@ -36,7 +36,7 @@ function main {
kill_all_bhyve
log "Rolling back to snapshot $1"
while read target; do
zfs rollback "$target"
doas zfs rollback "$target"
done<<<"$rollback_targets"
launch_all_bhyve
log "Done."
@ -49,7 +49,7 @@ function kill_all_bhyve {
function launch_all_bhyve {
log "Launching all virtual machines."
for vm in $VMS[@]; do tmux new -d -s $vm doas bhyve_netgraph_bridge start $vm zdata/vm/$vm /vm/$vm; sleep 5; done
for vm in "${VMS[@]}"; do log "starting $vm"; tmux new -d -s $vm doas bhyve_netgraph_bridge start $vm zdata/vm/$vm /vm/$vm; sleep 5; done
}
function sanity_check_targets {

24
ansible/roles/mrmanager/files/k8s_snapshot.bash
View File

@ -5,6 +5,9 @@ set -euo pipefail
IFS=$'\n\t'
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
: ${VMS:="poudriere controller0 controller1 controller2 worker0 worker1 worker2"}
: ${WORKERS:="controller0 controller1 controller2 worker0 worker1 worker2"}
############## Setup #########################
function die {
@ -21,10 +24,12 @@ function log {
############## Program #########################
function main {
snapshot_name="$1"
convert_to_array 'VMS'
convert_to_array 'WORKERS'
local snapshot_name="$1"
kill_all_bhyve
log "Taking snapshot $1"
for worker in worker0 worker1 worker2 controller0 controller1 controller2; do
for worker in "${WORKERS[@]}"; do
doas zfs snapshot -r zdata/vm/${worker}/disk0@${snapshot_name}
done
doas zfs snapshot zdata/k8spersistent@${snapshot_name}
@ -39,7 +44,20 @@ function kill_all_bhyve {
function launch_all_bhyve {
log "Launching all virtual machines."
for vm in poudriere controller0 controller1 controller2 worker0 worker1 worker2; do tmux new -d -s $vm doas bhyve_netgraph_bridge start $vm zdata/vm/$vm /vm/$vm; sleep 5; done
for vm in "${VMS[@]}"; do log "starting $vm"; tmux new -d -s $vm doas bhyve_netgraph_bridge start $vm zdata/vm/$vm /vm/$vm; sleep 5; done
}
function convert_to_array {
# Converts a string separated by a value into an array. An example use-case would be for parsing environment variables like $PATH.
#
# WARNING: This uses nameref to modify the env variable at the first parameter, making this function very much not "functional". It does not return anything on stdout so it cannot be used with $().
local -n string_to_convert="$1"
local ifs_in_string="${2:- }"
local current_ifs="$IFS"
IFS="$ifs_in_string"
string_to_convert=($string_to_convert)
# Restore IFS to the original value in case this function is not run inside a subshell
IFS="$current_ifs"
}
main "$@"