diff options
Diffstat (limited to 'content/operations/deploiement')
-rw-r--r-- | content/operations/deploiement/app/_index.md (renamed from content/operations/deploiement/app.md) | 1 | ||||
-rw-r--r-- | content/operations/deploiement/app/create_database.md | 34 | ||||
-rw-r--r-- | content/operations/deploiement/grappe/_index.md (renamed from content/operations/deploiement/grappe.md) | 2 | ||||
-rw-r--r-- | content/operations/deploiement/grappe/stolon.md | 95 |
4 files changed, 132 insertions, 0 deletions
diff --git a/content/operations/deploiement/app.md b/content/operations/deploiement/app/_index.md index 664b0b0..710e2e5 100644 --- a/content/operations/deploiement/app.md +++ b/content/operations/deploiement/app/_index.md @@ -2,6 +2,7 @@ title = "Applications" description = "Déploiement d'une application" sort_by = "weight" +date = 2022-12-22 weight = 30 +++ diff --git a/content/operations/deploiement/app/create_database.md b/content/operations/deploiement/app/create_database.md new file mode 100644 index 0000000..e5f8a72 --- /dev/null +++ b/content/operations/deploiement/app/create_database.md @@ -0,0 +1,34 @@ ++++ +title = "Créer une BDD" +description = "Création d'une base de données pour une nouvelle application" +date = 2022-12-22 +dateCreated = 2022-12-22 +weight = 11 ++++ + +## 1. Create a LDAP user and assign a password for your service + +Go to guichet.deuxfleurs.fr + + 1. Everything takes place in `ou=services,ou=users,dc=deuxfleurs,dc=fr` + 2. Create a new user, like `johny` + 3. Generate a random password with `openssl rand -base64 32` + 4. Hash it with `slappasswd` + 5. Add a `userpassword` entry with the hash + +This step can also be done using the automated tool `secretmgr.py` in the app folder. + +## 2. Connect to postgres with the admin users + +```bash +# 1. Launch ssh tunnel given in the README +# 2. Make sure you have postregsql client installed locally +psql -h localhost -U postgres -W postgres +``` + +## 3. Create the binded users with LDAP in postgres + the database + +```sql +CREATE USER sogo; +Create database sogodb with owner sogo encoding 'utf8' LC_COLLATE = 'C' LC_CTYPE = 'C' TEMPLATE template0; +``` diff --git a/content/operations/deploiement/grappe.md b/content/operations/deploiement/grappe/_index.md index b917005..80de97d 100644 --- a/content/operations/deploiement/grappe.md +++ b/content/operations/deploiement/grappe/_index.md @@ -2,6 +2,8 @@ title = "Grappe" description = "Grappe" weight = 20 +date = 2022-12-22 +sort_by = "weight" +++ # Installation diff --git a/content/operations/deploiement/grappe/stolon.md b/content/operations/deploiement/grappe/stolon.md new file mode 100644 index 0000000..4a683f4 --- /dev/null +++ b/content/operations/deploiement/grappe/stolon.md @@ -0,0 +1,95 @@ ++++ +title = "Stolon" +description = "Comment déployer Stolon" +date = 2022-12-22 +dateCreated = 2022-12-22 +weight = 11 ++++ + +Spawn container: + +```bash +docker run \ + -ti --rm \ + --name stolon-config \ + --user root \ + -v /var/lib/consul/pki/:/certs \ + superboum/amd64_postgres:v11 +``` + + +Init with: + +``` +stolonctl \ + --cluster-name chelidoine \ + --store-backend=consul \ + --store-endpoints https://consul.service.prod.consul:8501 \ + --store-ca-file /certs/consul-ca.crt \ + --store-cert-file /certs/consul2022-client.crt \ + --store-key /certs/consul2022-client.key \ + init \ + '{ "initMode": "new", + "usePgrewind" : true, + "proxyTimeout" : "120s", + "pgHBA": [ + "host all postgres all md5", + "host replication replicator all md5", + "host all all all ldap ldapserver=bottin.service.prod.consul ldapbasedn=\"ou=users,dc=deuxfleurs, dc=fr\" ldapbinddn=\"<bind_dn>\" ldapbindpasswd=\"<bind_pwd>\" ldapsearchattribute=\"cn\"" + ] + }' + +``` + +Then set appropriate permission on host: + +``` +mkdir -p /mnt/{ssd,storage}/postgres/ +chown -R 999:999 /mnt/{ssd,storage}/postgres/ +``` + +(102 is the id of the postgres user used in Docker) +It might be improved by staying with root, then chmoding in an entrypoint and finally switching to user 102 before executing user's command. +Moreover it would enable the usage of the user namespace that shift the UIDs. + + + +## Upgrading the cluster + +To retrieve the current stolon config: + +``` +stolonctl spec --cluster-name chelidoine --store-backend consul --store-ca-file ... --store-cert-file ... --store-endpoints https://consul.service.prod.consul:8501 +``` + +The important part for the LDAP: + +``` +{ + "pgHBA": [ + "host all postgres all md5", + "host replication replicator all md5", + "host all all all ldap ldapserver=bottin.service.2.cluster.deuxfleurs.fr ldapbasedn=\"ou=users,dc=deuxfleurs,dc=fr\" ldapbinddn=\"cn=admin,dc=deuxfleurs,dc=fr\" ldapbindpasswd=\"<REDACTED>\" ldapsearchattribute=\"cn\"" + ] +} +``` + +Once a patch is writen: + +``` +stolonctl --cluster-name pissenlit --store-backend consul --store-endpoints http://consul.service.2.cluster.deuxfleurs.fr:8500 update --patch -f /tmp/patch.json +``` + +## Log + +- 2020-12-18 Activate pg\_rewind in stolon + +``` +stolonctl --cluster-name pissenlit --store-backend consul --store-endpoints http://consul.service.2.cluster.deuxfleurs.fr:8500 update --patch '{ "usePgrewind" : true }' +``` + +- 2021-03-14 Increase proxy timeout to cope with consul latency spikes + +``` +stolonctl --cluster-name pissenlit --store-backend consul --store-endpoints http://consul.service.2.cluster.deuxfleurs.fr:8500 update --patch '{ "proxyTimeout" : "120s" }' +``` |