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mysqldump: Add support for existing secret for mysql password (#15480)

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Signed-off-by: Marcus Sonestedt <marcus.s.lindblom@gmail.com>
Signed-off-by: Marcus Sonestedt <marcus.sonestedt@barium.se>
This commit is contained in:
Marcus Sonestedt
2019-07-12 04:59:04 -07:00
committed by Kubernetes Prow Robot
parent 4d1ca2afa6
commit 6dd91c92bc
5 changed files with 64 additions and 28 deletions
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stable/mysqldump/Chart.yaml
+1 -1
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@@ -2,7 +2,7 @@ apiVersion: v1
appVersion: 2.4.1
description: A Helm chart to help backup MySQL databases using mysqldump
name: mysqldump
version: 2.4.2
version: 2.5.0
keywords:
- mysql
- mysqldump
stable/mysqldump/README.md
+13 -10
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@@ -2,10 +2,10 @@
mysqldump is a tool for creating backups of MySQL databases in the form of a .sql file.
## TL;DR;
## TLDR
```console
$ helm install stable/mysqldump \
helm install stable/mysqldump \
--set mysql.host=mysql;mysql.username=root,mysql.password=password,persistence.enabled=true
```
@@ -15,14 +15,14 @@ This chart helps set up a cronjob or one time job to backup a MySQL database wit
## Prerequisites
- Kubernetes 1.8
- Kubernetes 1.8
## Installing the Chart
To install the chart with the release name `my-release`:
```console
$ helm install stable/mysqldump \
helm install stable/mysqldump \
--set mysql.host=mysql,mysql.username=root,mysql.password=password,persistence.enabled=true
```
@@ -35,7 +35,7 @@ This command will create a cronjob to run a job once a day to backup the databas
To uninstall/delete the `my-release` deployment:
```console
$ helm delete my-release
helm delete my-release
```
The command removes all the Kubernetes components associated with the chart and deletes the release.
@@ -47,16 +47,19 @@ The following tables lists the configurable parameters of the mysqldump chart an
| Parameter | Description | Default |
| --------------------------------------------- | ------------------------------------------------------------------------------ | ---------------------------- |
| image.repository | Name of image to use | monotek/gcloud-mysql |
| image.tag | Version of image to use | "6" |
| image.tag | Version of image to use | "8" |
| image.pullPolicy | Pull Policy to use for image | IfNotPresent |
| mysql.db | single mysql db to backup (optional) | mysql |
| mysql.host | mysql host to backup | mysql |
| mysql.username | mysql username | root |
| mysql.password | mysql password | "" |
| mysql.existingSecret | existing secret name, used to get mysql password (if set) | |
| mysql.existingSecretKey | existing secret key | mysql-root-password |
| mysql.port | mysql port | 3306 |
| schedule | crontab schedule to run on. set as `now` to run as a one time job | "0/5 \* \* \* \*" |
| schedule | crontab schedule to run on. set as `now` to run as a one time job | "0 3 \* \* \*" |
| options | options to pass onto MySQL | "--opt --single-transaction" |
| debug | print some extra debug logs during backup | false |
| dumpAllToStdout | dump all database contents to stdout when not uploading | false |
| additionalSteps | run these extra shell steps after all backup jobs completed | [] |
| successfulJobsHistoryLimit | number of successful jobs to remember | 5 |
| failedJobsHistoryLimit | number of failed jobs to remember | 5 |
@@ -67,7 +70,7 @@ The following tables lists the configurable parameters of the mysqldump chart an
| persistence.storageClass | storage class to use for PVC | |
| persistence.subPath | subPath for PVC | |
| allDatabases.enabled | backup all databases | true |
| allDatabases.SingleSqlFile | backup all databases to singel file | false |
| allDatabases.SingleSqlFile | backup all databases to single file | false |
| housekeeping.enabled | delete olf backups in pvc | true |
| housekeeping.keepDays | keep last x days of backups in PVC | 10 |
| saveToDirectory | saves the sql backup to a directory named like the database or alldatabases | false |
@@ -92,12 +95,12 @@ The following tables lists the configurable parameters of the mysqldump chart an
By enabling the flag `upload.googlestoragebucket.usingGCPController` and having a GCP Service Account Controller deployed in your cluster, it is possible to autogenerate and inject the service account used for the storage bucket access. For more information see <https://github.com/kiwigrid/helm-charts/tree/master/charts/gcp-serviceaccount-controller>
```console
$ helm install stable/mysqldump --name my-release \
helm install stable/mysqldump --name my-release \
--set persistentVolumeClaim=name-of-existing-pvc
```
Alternatively, a YAML file that specifies the values for the parameters can be provided while installing the chart. For example,
```console
$ helm install stable/mysqldump --name my-release -f values.yaml
helm install stable/mysqldump --name my-release -f values.yaml
```
stable/mysqldump/files/job.tpl
Regular → Executable
+14
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@@ -4,11 +4,25 @@ spec:
image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
imagePullPolicy: {{ .Values.image.pullPolicy | quote }}
command: ["/bin/bash", "/scripts/backup.sh"]
{{- if .Values.mysql.existingSecret }}
env:
- name: MYSQL_PASSWORD
valueFrom:
secretKeyRef:
name: {{ .Values.mysql.existingSecret | quote }}
{{- if .Values.mysql.existingSecretKey }}
key: {{ .Values.mysql.existingSecretKey | quote }}
{{- else }}
key: "mysql-root-password"
{{- end }}
{{- end }}
envFrom:
- configMapRef:
name: "{{ template "mysqldump.fullname" . }}"
{{- if not .Values.mysql.existingSecret }}
- secretRef:
name: "{{ template "mysqldump.fullname" . }}"
{{- end }}
volumeMounts:
- name: backups
mountPath: /backup
stable/mysqldump/templates/configmap.yaml
Regular → Executable
+22 -15
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@@ -36,7 +36,7 @@ data:
TIMESTAMP="$(date +%Y%m%d%H%M%S)"
echo "test mysql connection"
if [ -z "$(mysql -h ${MYSQL_HOST} -P ${MYSQL_PORT} -u ${MYSQL_USERNAME}{{ if .Values.mysql.password }} -p${MYSQL_PASSWORD}{{ end }} -B -N -e 'SHOW DATABASES;')" ]; then
if [ -z "$(mysql -h ${MYSQL_HOST} -P ${MYSQL_PORT} -u ${MYSQL_USERNAME}{{ if or .Values.mysql.password .Values.mysql.existingSecret }} -p${MYSQL_PASSWORD}{{ end }} -B -N -e 'SHOW DATABASES;')" ]; then
echo "mysql connection failed! exiting..."
exit 1
fi
@@ -54,13 +54,13 @@ data:
MYSQL_DB="{{ .Values.mysql.db }}"
echo "Backing up single db ${MYSQL_DB}"
{{ if .Values.saveToDirectory }}mkdir -p "${BACKUP_DIR}"/"${MYSQL_DB}"{{ end }}
mysqldump ${MYSQL_OPTS} -h ${MYSQL_HOST} -P ${MYSQL_PORT} -u ${MYSQL_USERNAME}{{ if .Values.mysql.password }} -p${MYSQL_PASSWORD}{{ end }} --databases ${MYSQL_DB} | gzip > ${BACKUP_DIR}/{{ if .Values.saveToDirectory }}${MYSQL_DB}/{{ end }}${TIMESTAMP}_${MYSQL_DB}.sql.gz
mysqldump ${MYSQL_OPTS} -h ${MYSQL_HOST} -P ${MYSQL_PORT} -u ${MYSQL_USERNAME}{{ if or .Values.mysql.password .Values.mysql.existingSecret }} -p${MYSQL_PASSWORD}{{ end }} --databases ${MYSQL_DB} | gzip > ${BACKUP_DIR}/{{ if .Values.saveToDirectory }}${MYSQL_DB}/{{ end }}${TIMESTAMP}_${MYSQL_DB}.sql.gz
rc=$?
{{ else if and (.Values.allDatabases.enabled) (eq .Values.allDatabases.singleBackupFile false)}}
for MYSQL_DB in $(mysql -h "${MYSQL_HOST}" -u ${MYSQL_USERNAME}{{ if .Values.mysql.password }} -p${MYSQL_PASSWORD}{{ end }} -B -N -e "SHOW DATABASES;"|egrep -v '^(information|performance)_schema$'); do
for MYSQL_DB in $(mysql -h "${MYSQL_HOST}" -P ${MYSQL_PORT} -u ${MYSQL_USERNAME}{{ if or .Values.mysql.password .Values.mysql.existingSecret }} -p${MYSQL_PASSWORD}{{ end }} -B -N -e "SHOW DATABASES;"|egrep -v '^(information|performance)_schema$'); do
echo "Backing up db ${MYSQL_DB}"
{{ if .Values.saveToDirectory }}mkdir -p "${BACKUP_DIR}"/"${MYSQL_DB}"{{ end }}
mysqldump ${MYSQL_OPTS} -h ${MYSQL_HOST} -u ${MYSQL_USERNAME}{{ if .Values.mysql.password }} -p${MYSQL_PASSWORD}{{ end }} --databases ${MYSQL_DB} | gzip > ${BACKUP_DIR}/{{ if .Values.saveToDirectory }}${MYSQL_DB}/{{ end }}${TIMESTAMP}_${MYSQL_DB}.sql.gz
mysqldump ${MYSQL_OPTS} -h ${MYSQL_HOST} -P ${MYSQL_PORT} -u ${MYSQL_USERNAME}{{ if or .Values.mysql.password .Values.mysql.existingSecret }} -p${MYSQL_PASSWORD}{{ end }} --databases ${MYSQL_DB} | gzip > ${BACKUP_DIR}/{{ if .Values.saveToDirectory }}${MYSQL_DB}/{{ end }}${TIMESTAMP}_${MYSQL_DB}.sql.gz
rc=$?
done
@@ -68,7 +68,7 @@ data:
echo "Backing up all databases"
MYSQL_DB="alldatabases"
{{ if .Values.saveToDirectory }}mkdir -p "${BACKUP_DIR}"/"${MYSQL_DB}"{{ end }}
mysqldump ${MYSQL_OPTS} -h ${MYSQL_HOST} -P ${MYSQL_PORT} -u ${MYSQL_USERNAME}{{ if .Values.mysql.password }} -p${MYSQL_PASSWORD}{{ end }} --all-databases | gzip > ${BACKUP_DIR}/{{ if .Values.saveToDirectory }}${MYSQL_DB}/{{ end }}${TIMESTAMP}_${MYSQL_DB}.sql.gz
mysqldump ${MYSQL_OPTS} -h ${MYSQL_HOST} -P ${MYSQL_PORT} -u ${MYSQL_USERNAME}{{ if or .Values.mysql.password .Values.mysql.existingSecret }} -p${MYSQL_PASSWORD}{{ end }} --all-databases | gzip > ${BACKUP_DIR}/{{ if .Values.saveToDirectory }}${MYSQL_DB}/{{ end }}${TIMESTAMP}_${MYSQL_DB}.sql.gz
rc=$?
{{- end -}}
@@ -91,12 +91,18 @@ data:
exit 1
fi
{{- else }}
mysqldump ${MYSQL_OPTS} -h ${MYSQL_HOST} -P ${MYSQL_PORT} -u ${MYSQL_USERNAME}{{ if .Values.mysql.password }} -p${MYSQL_PASSWORD}{{ end }} --all-databases
{{- else }}
{{ if .Values.dumpAllToStdout }}
mysqldump ${MYSQL_OPTS} -h ${MYSQL_HOST} -P ${MYSQL_PORT} -u ${MYSQL_USERNAME}{{ if or .Values.mysql.password .Values.mysql.existingSecret }} -p${MYSQL_PASSWORD}{{ end }} --all-databases
rc=$?
{{ end }}
{{ end }}
{{ end }}
{{ if .Values.debug }}
echo Contents of ${BACKUP_DIR}
ls -lahR ${BACKUP_DIR}
{{ end }}
if [ "$rc" != "0" ]; then
echo "backup failed"
@@ -104,13 +110,14 @@ data:
fi
{{ if .Values.additionalSteps }}
{{- range .Values.additionalSteps }}
{{ . }}
{{- end }}
{{- range .Values.additionalSteps }}
{{ . }}
{{- end }}
{{- end }}
{{ if .Values.debug }}
ls -alh ${BACKUP_DIR}
{{ end }}
echo "complete" > ${BACKUP_DIR}/${TIMESTAMP}.state
echo "Backup successful! :-)"
echo "Disk usage in ${BACKUP_DIR}"
du -h -d 2 ${BACKUP_DIR}
echo "Backup successful! :-)"
stable/mysqldump/values.yaml
+14 -2
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@@ -3,8 +3,12 @@
# Declare variables to be passed into your templates.
image:
registry: docker.io
repository: monotek/gcloud-mysql
tag: "8"
## Specify a imagePullPolicy
## Defaults to 'Always' if image tag is 'latest', else set to 'IfNotPresent'
## ref: http://kubernetes.io/docs/user-guide/images/#pre-pulling-images#
pullPolicy: IfNotPresent
mysql:
@@ -12,12 +16,16 @@ mysql:
## to be used only when there's an existing database to backup.
host: ""
username: root
# overriden by existingDbSecret / existingDbSecretKey if set
password:
port: 3306
# db for single db backup
db: dbname
# Get password from existing secret
# existingSecret:
# existingSecretKey:
# use --all-databases
# use --all-databases if enabled
allDatabases:
enabled: true
# creates single backup file with all databases
@@ -29,6 +37,9 @@ options: "--opt --single-transaction"
# save sql backup to a directory named like the database or "alldatabases"
saveToDirectory: false
# if to dump all databases to stdout when not uploading
dumpAllToStdout: false
## set to `now` to get a one time job, or a cronjob schedule like `0 0 * * *`
## to get a cronjob.
schedule: "0 3 * * *"
@@ -66,7 +77,7 @@ persistence:
##
# storageClass: "-"
# delete backups older than 10 days
# delete old backups
housekeeping:
enabled: true
keepDays: 10
@@ -87,6 +98,7 @@ upload:
# serviceAccountName
# usingGCPController to enable autogeneration and injection of the service account
usingGCPController: false
ssh:
enabled: false
user: backup