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add --use-iam flag to backup

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This commit is contained in:
Jordan Sitkin
2017-05-01 16:31:54 -07:00
parent 3038d575c8
commit 0a9d80e344
3 changed files with 17 additions and 8 deletions
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6
README.md
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@@ -17,7 +17,7 @@ sudo dokku plugin:install https://github.com/dokku/dokku-postgres.git postgres
## commands
```
postgres:backup <name> <bucket> Create a backup of the postgres service to an existing s3 bucket
postgres:backup <name> <bucket> [--use-iam] Create a backup of the postgres service to an existing s3 bucket
postgres:backup-auth <name> <aws_access_key_id> <aws_secret_access_key> Sets up authentication for backups on the postgres service
postgres:backup-deauth <name> Removes backup authentication for the postgres service
postgres:backup-schedule <name> <schedule> <bucket> Schedules a backup of the postgres service
@@ -220,6 +220,10 @@ Datastore backups are supported via AWS S3. The only supported region is `us-eas
> If you would like to sponsor work to enable support for other regions, please contact [@josegonzalez](http://github.com/josegonzalez/).
You may skip the `backup-auth` step if your dokku install is running within EC2
and has access to the bucket via an IAM profile. In that case, use the `--use-iam`
option with the `backup` command.
Backups can be performed using the backup commands:
```

15
common-functions
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@@ -104,21 +104,26 @@ service_alternative_alias() {
service_backup() {
declare desc="Creates a backup of a service to an existing s3 bucket"
declare SERVICE="$1" BUCKET_NAME="$2"
declare SERVICE="$1" BUCKET_NAME="$2" S3_FLAG="$3"
local SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
local AWS_ACCESS_KEY_ID_FILE="$SERVICE_ROOT/backup/AWS_ACCESS_KEY_ID"
local AWS_SECRET_ACCESS_KEY_FILE="$SERVICE_ROOT/backup/AWS_SECRET_ACCESS_KEY"
local AWS_VARS=""
[[ ! -f "$AWS_ACCESS_KEY_ID_FILE" ]] && dokku_log_fail "Missing AWS_ACCESS_KEY_ID file"
[[ ! -f "$AWS_SECRET_ACCESS_KEY_FILE" ]] && dokku_log_fail "Missing AWS_SECRET_ACCESS_KEY file"
if [[ -z "$S3_FLAG" ]]; then
[[ ! -f "$AWS_ACCESS_KEY_ID_FILE" ]] && dokku_log_fail "Missing AWS_ACCESS_KEY_ID file"
[[ ! -f "$AWS_SECRET_ACCESS_KEY_FILE" ]] && dokku_log_fail "Missing AWS_SECRET_ACCESS_KEY file"
AWS_VARS="-e AWS_ACCESS_KEY_ID=$(cat "$AWS_ACCESS_KEY_ID_FILE") -e AWS_SECRET_ACCESS_KEY=$(cat "$AWS_SECRET_ACCESS_KEY_FILE")"
elif [[ $S3_FLAG != "--use-iam" ]]; then
dokku_log_fail "Provide AWS credentials or use the --use-iam flag"
fi
TMPDIR=$(mktemp -d)
trap 'rm -rf "$TMPDIR" > /dev/null' RETURN INT TERM EXIT
(service_export "$SERVICE" > "${TMPDIR}/export")
docker run \
-e AWS_ACCESS_KEY_ID="$(cat "$AWS_ACCESS_KEY_ID_FILE")" \
-e AWS_SECRET_ACCESS_KEY="$(cat "$AWS_SECRET_ACCESS_KEY_FILE")" \
"${AWS_VARS}" \
-e BUCKET_NAME="$BUCKET_NAME" \
-e BACKUP_NAME="${PLUGIN_COMMAND_PREFIX}-${SERVICE}" \
-v "${TMPDIR}:/backup" dokkupaas/s3backup:0.6.0

4
subcommands/backup
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@@ -7,12 +7,12 @@ source "$(dirname "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)")/functions"
postgres-backup-cmd() {
declare desc="creates a backup of the $PLUGIN_SERVICE service to an existing s3 bucket"
local cmd="$PLUGIN_COMMAND_PREFIX:backup" argv=("$@"); [[ ${argv[0]} == "$cmd" ]] && shift 1
declare SERVICE="$1" BUCKET_NAME="$2"
declare SERVICE="$1" BUCKET_NAME="$2" S3_FLAG="$3"
[[ -z "$SERVICE" ]] && dokku_log_fail "Please specify a name for the service"
[[ -z "$BUCKET_NAME" ]] && dokku_log_fail "Please specify an aws bucket for the backup"
verify_service_name "$SERVICE"
service_backup "$SERVICE" "$BUCKET_NAME"
service_backup "$SERVICE" "$BUCKET_NAME" "$S3_FLAG"
}
postgres-backup-cmd "$@"