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# How to create a bucket and get an Access key and Secret key
## Scaleway (70GB free then €0.01/GB/month) --> Best choice
Create an account at : https://console.scaleway.com/register or login if you already have one.
Go to : https://console.scaleway.com/object-storage/buckets
And then create a bucket with :
Bucket name : unique identifier
Region : Paris / Amsterdam / Warsaw
Set bucket visibility : private
Now head to : https://console.scaleway.com/project/credentials
and generate a new API key :
Fill a little description for your memory sake and just copy and paste the access key and secret key in your addon configuration. (Beware, your secret key will only be shown once)
## AWS (No free tiers but and depending on which region, but for example in Frankfurt : $0.0245 per GB)
Create an AWS account or login at :https://console.aws.amazon.com/
Then go to : https://s3.console.aws.amazon.com/s3/ and click create bucket :
Bucket Name : unique bucket name
Region : Region of your choice
Let ticket "Block public access"
Versionning : Disable (if enable, you will not be able to delete older backups without tricky API calls)
Tags : As your will
Default Encryption : You can disable it if you encrypt in client side with GPG (better in term of privacy)
Then head to : https://console.aws.amazon.com/iam/home?#/policies
Click create policy, go on json tab and paste :
```json
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "VisualEditor0",
"Effect": "Allow",
"Action": [
"s3:PutObject",
"s3:GetObject",
"s3:ListBucketMultipartUploads",
"s3:AbortMultipartUpload",
"s3:CreateBucket",
"s3:ListBucket",
"s3:DeleteObject",
"s3:ListMultipartUploadParts"
],
"Resource": [
"arn:aws:s3:::your-bucket-name",
"arn:aws:s3:::your-bucket-name/*"
]
},
{
"Sid": "VisualEditor1",
"Effect": "Allow",
"Action": "s3:ListAllMyBuckets",
"Resource": "*"
}
]
}
```
Then create a group at : https://console.aws.amazon.com/iam/home?#/groups with the previously created policy
Then create a user attached to the previously created group. Here you will find the access key and secret key. *Note the name of the created user*
Making these IAM configuration will ensure that if your access key and secret key are stolen, the only ressource it can access is this s3 bucket.
In the addon configuration fill your "accessKey" and "secretKey" and the s3 bucket URL followed by the previously created user name.
Like this : s3://s3.region-name.amazonaws.com/bucket-name/created-user-name
## Backblaze B2 (10GB free then $0.005 /GB/month and $0.01 /GB/download)
Create Backblaze account with B2 enabled
First, you have to create a Backblaze account and enable B2. If you already have a Backblaze account, login, visit "My Settings" and enable "B2 Cloud Storage" on your account under "Enabled Products"
Second, create an Private bucket in your B2 account.
Third, retrieve your Master Application Key and KeyID.
Use the keyId and the Master application key to build the bucket url b2://[accessKey]:[secretKey]@[B2 bucket name].
1. Start the add-on.
2. Check the add-on log output to see the result.
If the log doesn't end with an error, the add-on has successfully
accessed your git repository. Examples of logs you might see if
there were no errors are: `[Info] Nothing has changed.`,
`[Info] Something has changed, checking Home-Assistant config...`,
or `[Info] Local configuration has changed. Restart required.`.
If you made it this far, you might want to let the add-on automatically
check for updates by setting the `active` field (a subfield of `repeat`)
to `true` and turning on "Start on boot."
# How to generate GPG key (Optionnal) to encrypt locally before upload
```shell
gpg --gen-key
```
You will be asked a series of questions to configure your keys:
Type of key. Select (1) RSA and RSA (default).
Size of key. Pressing ENTER will confirm the default size of 2048 bits.
Key expiration date. By entering 1y, we will create a key that expires after one year.
Confirm your choices. You can do this by entering y.
User ID/Real name. Enter your name.
Email address. Enter your email address.
Comment. Here, you can enter an optional comment that will be visible with your signature.
Change (N)ame, ©omment, (E)mail or (O)kay/(Q)uit? Type O if you are ready to proceed.
Enter passphrase. You will be asked to enter a passphrase here. Be sure to take note of this passphrase. We will refer back to it throughout the rest of this tutorial as your-GPG-key-passphrase.
```bash
Output
...
gpg: /home/sammy/.gnupg/trustdb.gpg: trustdb created
gpg: key your-GPG-public-key-id marked as ultimately trusted
public and secret key created and signed.
...
```
your-GPG-public-key-id is the GPGFingerprint to put in your configuration
and the GPGPassphrase is the password you typed during the key generation
--> See full details here : https://www.digitalocean.com/community/tutorials/how-to-use-duplicity-with-gpg-to-back-up-data-to-digitalocean-spaces

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ARG BUILD_FROM
FROM $BUILD_FROM
ENV LANG C.UTF-8
RUN apk add --no-cache duplicity py-boto3
# Copy data for add-on
COPY run.sh /
RUN chmod a+x /run.sh
CMD [ "/run.sh" ]

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![Supports aarch64 Architecture][aarch64-shield] ![Supports amd64 Architecture][amd64-shield] ![Supports armhf Architecture][armhf-shield] ![Supports armv7 Architecture][armv7-shield] ![Supports i386 Architecture][i386-shield]
[aarch64-shield]: https://img.shields.io/badge/aarch64-yes-green.svg
[amd64-shield]: https://img.shields.io/badge/amd64-yes-green.svg
[armhf-shield]: https://img.shields.io/badge/armhf-yes-green.svg
[armv7-shield]: https://img.shields.io/badge/armv7-yes-green.svg
[i386-shield]: https://img.shields.io/badge/i386-yes-green.svg
# Home Assistant Add-on: Hass-backup-s3
## What is it for ?
The goal of this addon is not to reimplement home-assistant built in features, so you will not be able to make or delete a snapshot from this addon for example. It main goal is to extend the home-assistant features and to be able to upload your snapshots to any s3 API compatible bucket.
It use the open source tool duplicity to achieve that.
## Installation
Follow these steps to get the add-on installed on your system:
:warning: Important : Make sure you've added my addon repository to your home-assistant addon library : https://github.com/Rbillon59/home-assistant-addons
1. Navigate in your Home Assistant frontend to **Supervisor** -> **Add-on Store**.
2. Find the "Hass-backup-s3" add-on and click it.
3. Click on the "INSTALL" button.
## How configure it
In the configuration section, set the repository field to your s3 provider access key and secret key.
See the wiki : https://github.com/Rbillon59/hass-backup-s3/wiki/How-to-create-bucket-and-get-keys
### Addon Configuration
Add-on configuration:
```yaml
bucketName: myBucketName
endpointUrl: https://s3.fr-par.scw.cloud
region: fr-par
accessKey: null
secretKey: null
GPGFingerprint:
GPGPassphrase:
incrementalFor: 7D
removeOlderThan: 14D
restore: false
```
### Oprion: `sourceDir` (required)
Default to /backup. The directory you want to backup
/media and /ssl endpoints are mounted as readonly as well, so you can backup them too
Only one argument is allowed at a time
### Option: `bucketName` (required)
Name of the bucket
### Option: `endpointUrl` (required)
endpoint URL of the s3 provider (contains region)
### Option: `region` (required)
region of the s3 provider
### Option: `accessKey` (required if not using Backblaze b2)
Access key, see documentation how to get it from a s3 provider
### Option: `secretKey` (required if not using Backblaze b2)
Secret key, see documentation how to get it from a s3 provider
### Option: `GPGFingerprint` (optionnal)
The GPG public key id of your GPG key
### Option: `GPGPassphrase` (optionnal)
GPGPassphrase is the password you set for your GPG key
### Option: `incrementalFor` (optionnal)
If not set, the addon will make a full backup of all your snapshots in the bucket each time it will be called.
You can set here the number of days of incremental backup before making a full backup again. The default value of 7 means, if you schedule a homeassistant snapshot every day and then trigger the addon every day after the backup, the first addon start with a full backup with the snapshot you just created. Then the day after, a new snapshot will be created and the addon will upload just the newly created snapshot. After 6 day, you will have 6 snapshots on your local and 6 in your s3 bucket. But on the 7th day, a full backup will be triggered and it will upload again the 6 local backup + the seventh local backup in once.
As say, a full backup will upload ALL the home-assistant /backup folder
An incremental will upload the diff between the local /backup and the files in the bucket`
### Option: `restore` (required)
Default to false. Is set to true, will download the s3 content inside the backup folder to restore the snapshot.
## How to use it ?
Call this addon from your backup automations to trigger it :
```yaml
- alias: Snapshot Once A Week
trigger:
- platform: time
at: '10:00:00'
condition:
- condition: time
weekday:
- wed
action:
- service: hassio.snapshot_full
data_template:
name: >
weekly_backup_{{ now().strftime('%Y-%m-%d') }}
# wait for snapshot done, then upload backup
- delay: '00:10:00'
- service: hassio.addon_start
data:
addon: "3cfc8f0f_hass_backup_s3"
```
The service *hassio.addon_start* needs the addon slug to work. This is a concatenation of the first 8 char SHA1 hash of the repo url (lowercased) and the addon slug. If I ommit to update this part, you can check by yourself the hash part by taking the first 8 char of the hash here http://www.sha1-online.com/ filling "https://github.com/rbillon59/home-assistant-addons" in the form. It should not happen as the addons repository URL should not change. But in case of ..
You can also launch it manually with the start button in the addon page !
## If you need to restore the backup
Just change the Option: `restore` and set it to true and launch the addon manually. It will download the last available backup of your snapshots.
:warning: Please, think about setting the restore option to false after restoring your backups, or every time you will call it from your automation it will restore the backups in your buckets and not upload it.
## Support
Got questions?
You can open an issue on Github and i'll try to answer it
[repository]: https://github.com/Rbillon59/hass-backup-s3
## License
As duplicity is distributed under the GPL license, this addon is as well under the same license

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{
"name": "Hass backup S3",
"version": "0.0.3",
"slug": "hass_backup_s3",
"description": "Backup your snapshots to S3 compatible object storage with local encryption and lifecycle policies",
"arch": ["armhf", "armv7", "aarch64", "amd64", "i386"],
"startup": "application",
"boot": "manual",
"icon": "ico.png",
"logo": "ico.png",
"map": ["backup:rw", "media:rw", "ssl:rw"],
"init": false,
"apparmor": true,
"options": {
"sourceDir": "/backup",
"bucketName": "myBucketName",
"endpointUrl": "https://s3.fr-par.scw.cloud",
"region": "fr-par",
"accessKey": null,
"secretKey": null,
"GPGFingerprint": "",
"GPGPassphrase":"",
"incrementalFor": "7D",
"removeOlderThan":"14D",
"restore": false
},
"schema": {
"sourceDir": "str",
"bucketName": "str",
"endpointUrl": "str",
"region": "str",
"accessKey": "str?",
"secretKey": "str?",
"GPGFingerprint": "str?",
"GPGPassphrase": "str?",
"incrementalFor": "str?",
"removeOlderThan": "str?",
"restore": "bool"
}
}

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#!/usr/bin/with-contenv bashio
CONFIG_PATH=/data/options.json
#####################
## USER PARAMETERS ##
#####################
# REQUIRED
BUCKET_NAME="s3://$(bashio::config 'bucketName')"
export ENDPOINT_URL="$(bashio::config 'endpointUrl')"
export REGION="$(bashio::config 'region')"
export AWS_ACCESS_KEY_ID="$(bashio::config 'accessKey')"
export AWS_SECRET_ACCESS_KEY="$(bashio::config 'secretKey')"
export GPG_FINGERPRINT="$(bashio::config 'GPGFingerprint')"
export PASSPHRASE="$(bashio::config 'GPGPassphrase')"
export SOURCE_DIR="$(bashio::config 'sourceDir')"
RESTORE="$(bashio::config 'restore')"
# OPTIONNAL
DAY_BEFORE_FULL_BACKUP="$(bashio::config 'incrementalFor')"
DAY_BEFORE_REMOVING_OLD_BACKUP="$(bashio::config 'removeOlderThan')"
###########
## MAIN ##
###########
############################
## SET DUPLICITY OPTIONS ##
############################
if [[ -z "${GPG_FINGERPRINT}" ]] || [[ -z "${PASSPHRASE}" ]]; then
NO_ENCRYPTION='--no-encryption'
else
echo "Encrypting snapshots before upload $(ls -l /backup)"
fi
if [[ -n ${DAY_BEFORE_FULL_BACKUP} ]]; then
DUPLICITY_FULL_BACKUP_AFTER="--full-if-older-than ${DAY_BEFORE_FULL_BACKUP}"
fi
############################
## SET DUPLICITY COMMAND ##
############################
echo "Duplicity version: $(duplicity --version)"
if [[ ${RESTORE} == "true" ]]; then
echo "Restoring backups from ${BUCKET_NAME}"
duplicity \
"${NO_ENCRYPTION}" \
--file-prefix-manifest manifest- \
--s3-endpoint-url "${ENDPOINT_URL}" \
--s3-region-name "${REGION}" \
--force \
restore \
"${BUCKET_NAME}" \
"${SOURCE_DIR}"
else
echo "Backuping $(ls -l /backup) to ${BUCKET_NAME}"
duplicity incr "${NO_ENCRYPTION}" --allow-source-mismatch --s3-endpoint-url "${ENDPOINT_URL}" --s3-region-name "${REGION}" --s3-use-new-style --file-prefix-manifest manifest- ${DUPLICITY_FULL_BACKUP_AFTER} "${SOURCE_DIR}" "${BUCKET_NAME}"
if [[ -n ${DAY_BEFORE_REMOVING_OLD_BACKUP} ]]; then
echo "Removing backup older than ${DAY_BEFORE_REMOVING_OLD_BACKUP} on ${BUCKET_NAME}"
duplicity --force "${NO_ENCRYPTION}" --allow-source-mismatch --s3-endpoint-url "${ENDPOINT_URL}" --s3-region-name "${REGION}" --s3-use-new-style --file-prefix-manifest manifest- remove-older-than ${DAY_BEFORE_REMOVING_OLD_BACKUP} "${BUCKET_NAME}"
fi
fi