Add a zuul-ensure-database-passwords role
This change replaces the hardcoded internal database password with a secret environment key provided by the ansible role. This change also adds the missing DB and ZK environment key required by the web service. Change-Id: I4f04732491c627e16988e81bc8ba9cccc78b2da1
This commit is contained in:
Tristan Cacqueray
parent
80394811f0
commit
4a12041754
@ -1,7 +1,18 @@
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{- Zuul CR kubernetes resources
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The evaluation of that file is a function that takes the cr inputs as an argument,
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and returns the list of kubernetes of objects
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and returns the list of kubernetes of objects.
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The resources expect secrets to be created by the zuul ansible role:
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* `${name}-gearman-tls` with:
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* `ca.pem`
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* `server.pem`
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* `server.key`
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* `client.pem`
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* `client.key`
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* `${name}-database-password` with a `password` key, (unless an input.database db uri is provided).
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-}
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let Prelude = ../Prelude.dhall
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@ -97,7 +108,6 @@ let {- This method renders the zuul.conf
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-} mkZuulConf =
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\(input : Input)
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-> \(zk-hosts : Text)
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-> \(default-db-password : Text)
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-> let {- This is a high level method. It takes:
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* a Connection type such as `Schemas.Gerrit.Type`,
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* an Optional List of that type
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@ -134,8 +144,8 @@ let {- This method renders the zuul.conf
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let db-uri =
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merge
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{ None = "postgresql://zuul:${default-db-password}@db/zuul"
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, Some = \(some : UserSecret) -> "%(ZUUL_DB_URI)"
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{ None = "postgresql://zuul:%(ZUUL_DB_PASSWORD)s@db/zuul"
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, Some = \(some : UserSecret) -> "%(ZUUL_DB_URI)s"
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}
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input.database
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@ -516,6 +526,15 @@ in \(input : Input)
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}
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input.zookeeper
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let db-internal-password-env =
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\(env-name : Text)
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-> mkEnvVarSecret
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[ { name = env-name
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, secret = "${input.name}-database-password"
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, key = "password"
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}
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]
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let org = "docker.io/zuul"
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let version = "latest"
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@ -541,18 +560,12 @@ in \(input : Input)
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]
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}
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let {- TODO: generate random password -} default-db-password =
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"super-secret"
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let etc-zuul =
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Volume::{
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, name = input.name ++ "-secret-zuul"
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, dir = "/etc/zuul"
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, files =
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[ { path = "zuul.conf"
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, content = mkZuulConf input zk-hosts default-db-password
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}
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]
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[ { path = "zuul.conf", content = mkZuulConf input zk-hosts } ]
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}
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let etc-nodepool =
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@ -606,12 +619,12 @@ in \(input : Input)
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( mkEnvVarValue
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( toMap
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{ POSTGRES_USER = "zuul"
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, POSTGRES_PASSWORD =
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default-db-password
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, PGDATA =
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"/var/lib/pg/data"
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}
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)
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# db-internal-password-env
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"POSTGRES_PASSWORD"
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)
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, volumeMounts = Some
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(mkVolumeMount db-volumes)
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@ -665,9 +678,9 @@ in \(input : Input)
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let zuul-env =
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mkEnvVarValue (toMap { HOME = "/var/lib/zuul" })
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let db-uri-secret-env =
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let db-secret-env =
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merge
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{ None = [] : List Kubernetes.EnvVar.Type
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{ None = db-internal-password-env "ZUUL_DB_PASSWORD"
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, Some =
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\(some : UserSecret)
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-> mkEnvVarSecret
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@ -679,6 +692,10 @@ in \(input : Input)
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}
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input.database
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let {- executor and merger do not need database info, but they fail to parse config without the env variable
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-} db-nosecret-env =
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mkEnvVarValue (toMap { ZUUL_DB_PASSWORD = "unused" })
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let zuul-data-dir =
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[ Volume::{ name = "zuul-data", dir = "/var/lib/zuul" }
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]
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@ -734,7 +751,7 @@ in \(input : Input)
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]
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, env = Some
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( zuul-env
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# db-uri-secret-env
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# db-secret-env
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# zk-hosts-secret-env
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)
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, volumeMounts = Some
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@ -776,7 +793,7 @@ in \(input : Input)
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, containerPort = 7900
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}
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]
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, env = Some zuul-env
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, env = Some (zuul-env # db-nosecret-env)
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, volumeMounts =
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let job-volumes-mount =
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mkJobVolume
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@ -824,7 +841,11 @@ in \(input : Input)
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, containerPort = 9000
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}
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]
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, env = Some zuul-env
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, env = Some
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( zuul-env
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# db-secret-env
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# zk-hosts-secret-env
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)
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, volumeMounts = Some
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( mkVolumeMount
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(web-volumes # zuul-data-dir)
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@ -846,7 +867,7 @@ in \(input : Input)
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, image = zuul-image "merger"
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, args = Some [ "zuul-merger", "-d" ]
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, imagePullPolicy = Some "IfNotPresent"
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, env = Some zuul-env
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, env = Some (zuul-env # db-nosecret-env)
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, volumeMounts = Some
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( mkVolumeMount
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(merger-volumes # zuul-data-dir)
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16
roles/zuul-ensure-database-password/tasks/main.yaml
Normal file
16
roles/zuul-ensure-database-password/tasks/main.yaml
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@ -0,0 +1,16 @@
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- name: Check if zuul database-password is already created
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set_fact:
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_zuul_db_password: "{{ lookup('k8s', api_version='v1', kind='Secret', namespace=namespace, resource_name=zuul_name + '-database-password') }}"
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- name: Generate and store database password
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when: _zuul_db_password.data is not defined
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k8s:
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state: "{{ state }}"
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namespace: "{{ namespace }}"
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definition:
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apiVersion: v1
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kind: Secret
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metadata:
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name: "{{ zuul_name }}-database-password"
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stringData:
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password: "{{ lookup('password', '/dev/null') }}"
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@ -4,6 +4,11 @@
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- zuul-lookup-conf
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- zuul-ensure-gearman-tls
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- include_role:
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name: zuul-ensure-database-password
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# when the user does not provide a db_uri
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when: raw_spec['database'] is not defined
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- name: Convert spec to template input
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json_to_dhall:
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schema: "({{ zuul_app_path }}/input.dhall).Input.Type"
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