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Add support for backing up repositories via gitbackups #536

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Merged
merged 12 commits into from
Jan 27, 2020
Merged

Add support for backing up repositories via gitbackups #536

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8cb7d3a
Suffix existing script with '-rsync' to differentiate against incomin…
cainejette Jan 21, 2020
b2ed6b0
Add placeholder script 'ghe-backup-repositories-gitbackups'
cainejette Jan 21, 2020
b5691c7
Call backup-repositories script
cainejette Jan 22, 2020
16bc3ec
Introduce fork in backup flow for backup mechanism
cainejette Jan 22, 2020
6c36e99
Change ghe-ssh target from host to GHE_HOSTNAME
cainejette Jan 22, 2020
c7159e3
Update comments
cainejette Jan 22, 2020
add11d4
update permissions on backup script
Jan 23, 2020
da4321b
Log which mechanism is being used for repository backup
cainejette Jan 24, 2020
30fb1d8
Protect against appliance not supporting gitbackups-powered repositor…
cainejette Jan 24, 2020
5bed84c
Remove comment after confirming existing config setting is OK to re-use.
cainejette Jan 24, 2020
566902e
Exit early if the appliance is set to use gitbackups for repositories…
cainejette Jan 24, 2020
91f8cc2
Update bin/ghe-backup
oakeyc Jan 24, 2020
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28 changes: 26 additions & 2 deletions bin/ghe-backup
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Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,25 @@ if [ "$(ls -il dest1/testfile | awk '{ print $1 }')" != "$(ls -il dest2/testfile
fi
rm -rf src dest1 dest2

# if we should use gitbackups to backup repositories
should_use_gitbackups_for_repositories(){
ghe-ssh "$GHE_HOSTNAME" ghe-config --true "app.github.gitbackups"
}

# check that the appliance supports using gitbackups for repositories
can_use_gitbackups_for_repositories(){
ghe-ssh "$GHE_HOSTNAME" test -e /data/github/current/bin/backup-repositories
}

# Exit early if the appliance is missing script to backup repositories using gitbackups
if should_use_gitbackups_for_repositories; then
if ! can_use_gitbackups_for_repositories; then
echo "Error: Configuration setting 'app.github.gitbackups' is enabled but this version of GHES cannot use gitbackups to back up repositories via 'ghe-backup'."
echo "Disable configuration setting 'app.github.gitbackups' and re-run 'ghe-backup' to use rsync."
exit 1
fi
fi

# To prevent multiple backup runs happening at the same time, we create a
# in-progress file with the timestamp and pid of the backup process,
# giving us a form of locking.
Expand Down Expand Up @@ -197,8 +216,13 @@ ghe-backup-audit-log || failures="$failures audit-log"
echo "Backing up hookshot logs ..."
ghe-backup-es-hookshot || failures="$failures hookshot"

echo "Backing up Git repositories ..."
ghe-backup-repositories || failures="$failures repositories"
if should_use_gitbackups_for_repositories && can_use_gitbackups_for_repositories; then
echo "Backing up Git repositories using gitbackups ..."
ghe-backup-repositories-gitbackups || failures="$failures repositories"
else
echo "Backing up Git repositories using rsync ..."
ghe-backup-repositories-rsync || failures="$failures repositories"
fi

echo "Backing up GitHub Pages ..."
ghe-backup-pages || failures="$failures pages"
Expand Down
17 changes: 17 additions & 0 deletions share/github-backup-utils/ghe-backup-repositories-gitbackups
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Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
#!/usr/bin/env bash
#/ Usage: ghe-backup-repositories-gitbackups
#/ Take an online, incremental snapshot of all Git repository data using gitbackups.
#/
#/ Note: This command typically isn't called directly. It's invoked by
#/ ghe-backup.
set -e

# Bring in the backup configuration
# shellcheck source=share/github-backup-utils/ghe-backup-config
. "$( dirname "${BASH_SOURCE[0]}" )/ghe-backup-config"

bm_start "$(basename $0)"

echo "github-env ./bin/backup-repositories" | ghe-ssh "$GHE_HOSTNAME" -- /bin/bash

bm_end "$(basename $0)"
4 changes: 2 additions & 2 deletions ...thub-backup-utils/ghe-backup-repositories → ...ackup-utils/ghe-backup-repositories-rsync
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@@ -1,6 +1,6 @@
#!/usr/bin/env bash
#/ Usage: ghe-backup-repositories
#/ Take an online, incremental snapshot of all Git repository data.
#/ Usage: ghe-backup-repositories-rsync
#/ Take an online, incremental snapshot of all Git repository data using rsync.
#/
#/ Note: This command typically isn't called directly. It's invoked by
#/ ghe-backup.
Expand Down