From 9c2232cebc89324abd5d6499da095e1a15f81ddb Mon Sep 17 00:00:00 2001
From: Alex Auvolat <alex@adnab.me>
Date: Mon, 8 Feb 2021 14:52:13 +0100
Subject: [PATCH] Add Drone CI

---
 app/drone-ci/deploy/drone.hcl                 | 123 ++++++++++++++++++
 app/drone-ci/secrets/drone-ci/cookie_secret   |   1 +
 app/drone-ci/secrets/drone-ci/db_enc_secret   |   1 +
 app/drone-ci/secrets/drone-ci/db_pass         |   1 +
 app/drone-ci/secrets/drone-ci/db_user         |   1 +
 app/drone-ci/secrets/drone-ci/oauth_client_id |   1 +
 .../secrets/drone-ci/oauth_client_secret      |   1 +
 app/drone-ci/secrets/drone-ci/rpc_secret      |   1 +
 app/drone-ci/secrets/drone-ci/s3_ak           |   1 +
 app/drone-ci/secrets/drone-ci/s3_bucket       |   1 +
 app/drone-ci/secrets/drone-ci/s3_sk           |   1 +
 app/secretmgr.py                              |   3 +
 12 files changed, 136 insertions(+)
 create mode 100644 app/drone-ci/deploy/drone.hcl
 create mode 100644 app/drone-ci/secrets/drone-ci/cookie_secret
 create mode 100644 app/drone-ci/secrets/drone-ci/db_enc_secret
 create mode 100644 app/drone-ci/secrets/drone-ci/db_pass
 create mode 100644 app/drone-ci/secrets/drone-ci/db_user
 create mode 100644 app/drone-ci/secrets/drone-ci/oauth_client_id
 create mode 100644 app/drone-ci/secrets/drone-ci/oauth_client_secret
 create mode 100644 app/drone-ci/secrets/drone-ci/rpc_secret
 create mode 100644 app/drone-ci/secrets/drone-ci/s3_ak
 create mode 100644 app/drone-ci/secrets/drone-ci/s3_bucket
 create mode 100644 app/drone-ci/secrets/drone-ci/s3_sk

diff --git a/app/drone-ci/deploy/drone.hcl b/app/drone-ci/deploy/drone.hcl
new file mode 100644
index 0000000..8d39422
--- /dev/null
+++ b/app/drone-ci/deploy/drone.hcl
@@ -0,0 +1,123 @@
+job "drone-ci" {
+  datacenters = ["dc1"]
+  type = "service"
+
+  group "server" {
+    count = 1
+
+    network {
+      port "web_port" {
+		  to = 80
+	  }
+    }
+
+    task "drone_server" {
+      driver = "docker"
+      config {
+        image = "drone/drone:1.10.1"
+        ports = [ "web_port" ]
+      }
+
+	  template {
+		  data = <<EOH
+DRONE_GITEA_SERVER=https://git.deuxfleurs.fr
+DRONE_GITEA_CLIENT_ID={{ key "secrets/drone-ci/oauth_client_id" }}
+DRONE_GITEA_CLIENT_SECRET={{ key "secrets/drone-ci/oauth_client_secret" }}
+DRONE_RPC_SECRET={{ key "secrets/drone-ci/rpc_secret" }}
+DRONE_SERVER_HOST=drone.deuxfleurs.fr
+DRONE_SERVER_PROTO=https
+DRONE_DATABASE_SECRET={{ key "secrets/drone-ci/db_enc_secret" }}
+DRONE_COOKIE_SECRET={{ key "secrets/drone-ci/cookie_secret" }}
+AWS_ACCESS_KEY_ID={{ key "secrets/drone-ci/s3_ak" }}
+AWS_SECRET_ACCESS_KEY={{ key "secrets/drone-ci/s3_sk" }}
+AWS_DEFAULT_REGION=garage
+AWS_REGION=garage
+DRONE_S3_BUCKET={{ key "secrets/drone-ci/s3_bucket" }}
+DRONE_S3_ENDPOINT=https://garage.deuxfleurs.fr
+DRONE_S3_PATH_STYLE=true
+DRONE_DATABASE_DRIVER=postgres
+DRONE_DATABASE_DATASOURCE=postgres://{{ key "secrets/drone-ci/db_user" }}:{{ key "secrets/drone-ci/db_pass" }}@psql-proxy.service.2.cluster.deuxfleurs.fr:5432/postgres?sslmode=disable
+DRONE_USER_CREATE=username:lx-admin,admin:true
+DRONE_LOGS_TEXT=true
+DRONE_LOGS_PRETTY=true
+DRONE_LOGS_DEBUG=true
+DOCKER_API_VERSION=1.39
+EOH
+		destination = "secrets/env"
+		env = true
+	  }
+
+      resources {
+        memory = 100
+        cpu = 100
+      }
+
+      service {
+        name = "drone"
+        tags = [
+          "drone",
+          "traefik.enable=true",
+          "traefik.frontend.entryPoints=https,http",
+          "traefik.frontend.rule=Host:drone.deuxfleurs.fr",
+        ]
+        port = "web_port"
+        address_mode = "host"
+        check {
+          type = "http"
+          protocol = "http"
+          port = "web_port"
+          path = "/"
+          interval = "60s"
+          timeout = "5s"
+          check_restart {
+            limit = 3
+            grace = "600s"
+            ignore_warnings = false
+          }
+        }
+      }
+    }
+  }
+
+  group "runner" {
+    count = 3
+
+	constraint {
+	  operator  = "distinct_hosts"
+	  value     = "true"
+	}
+
+    task "drone_runner" {
+      driver = "docker"
+      config {
+		network_mode = "host"
+
+        #image = "drone/drone-runner-nomad:latest"
+
+        image = "drone/drone-runner-docker:latest"
+        volumes = [
+          "/var/run/docker.sock:/var/run/docker.sock"
+        ]
+      }
+
+	  template {
+		  data = <<EOH
+DRONE_RPC_SECRET={{ key "secrets/drone-ci/rpc_secret" }}
+DRONE_RPC_HOST=drone.deuxfleurs.fr
+DRONE_RPC_PROTO=https
+DRONE_RUNNER_NAME={{ env "node.unique.name" }}
+DRONE_DEBUG=true
+NOMAD_ADDR=http://nomad-client.service.2.cluster.deuxfleurs.fr:4646
+DOCKER_API_VERSION=1.39
+EOH
+		destination = "secrets/env"
+		env = true
+	  }
+
+      resources {
+        memory = 100
+        cpu = 100
+      }
+	}
+  }
+}
diff --git a/app/drone-ci/secrets/drone-ci/cookie_secret b/app/drone-ci/secrets/drone-ci/cookie_secret
new file mode 100644
index 0000000..04c819e
--- /dev/null
+++ b/app/drone-ci/secrets/drone-ci/cookie_secret
@@ -0,0 +1 @@
+CMD openssl rand -hex 16
diff --git a/app/drone-ci/secrets/drone-ci/db_enc_secret b/app/drone-ci/secrets/drone-ci/db_enc_secret
new file mode 100644
index 0000000..3f9e696
--- /dev/null
+++ b/app/drone-ci/secrets/drone-ci/db_enc_secret
@@ -0,0 +1 @@
+CMD_ONCE openssl rand -hex 16
diff --git a/app/drone-ci/secrets/drone-ci/db_pass b/app/drone-ci/secrets/drone-ci/db_pass
new file mode 100644
index 0000000..0c971a6
--- /dev/null
+++ b/app/drone-ci/secrets/drone-ci/db_pass
@@ -0,0 +1 @@
+SERVICE_PASSWORD drone
diff --git a/app/drone-ci/secrets/drone-ci/db_user b/app/drone-ci/secrets/drone-ci/db_user
new file mode 100644
index 0000000..dc07c5d
--- /dev/null
+++ b/app/drone-ci/secrets/drone-ci/db_user
@@ -0,0 +1 @@
+CONST drone
diff --git a/app/drone-ci/secrets/drone-ci/oauth_client_id b/app/drone-ci/secrets/drone-ci/oauth_client_id
new file mode 100644
index 0000000..c801b28
--- /dev/null
+++ b/app/drone-ci/secrets/drone-ci/oauth_client_id
@@ -0,0 +1 @@
+USER OAuth client ID (on Gitea)
diff --git a/app/drone-ci/secrets/drone-ci/oauth_client_secret b/app/drone-ci/secrets/drone-ci/oauth_client_secret
new file mode 100644
index 0000000..b79b688
--- /dev/null
+++ b/app/drone-ci/secrets/drone-ci/oauth_client_secret
@@ -0,0 +1 @@
+USER OAuth client secret (for gitea)
diff --git a/app/drone-ci/secrets/drone-ci/rpc_secret b/app/drone-ci/secrets/drone-ci/rpc_secret
new file mode 100644
index 0000000..04c819e
--- /dev/null
+++ b/app/drone-ci/secrets/drone-ci/rpc_secret
@@ -0,0 +1 @@
+CMD openssl rand -hex 16
diff --git a/app/drone-ci/secrets/drone-ci/s3_ak b/app/drone-ci/secrets/drone-ci/s3_ak
new file mode 100644
index 0000000..3a8e4a2
--- /dev/null
+++ b/app/drone-ci/secrets/drone-ci/s3_ak
@@ -0,0 +1 @@
+USER S3 (garage) access key for Drone
diff --git a/app/drone-ci/secrets/drone-ci/s3_bucket b/app/drone-ci/secrets/drone-ci/s3_bucket
new file mode 100644
index 0000000..dc07c5d
--- /dev/null
+++ b/app/drone-ci/secrets/drone-ci/s3_bucket
@@ -0,0 +1 @@
+CONST drone
diff --git a/app/drone-ci/secrets/drone-ci/s3_sk b/app/drone-ci/secrets/drone-ci/s3_sk
new file mode 100644
index 0000000..46fd9fa
--- /dev/null
+++ b/app/drone-ci/secrets/drone-ci/s3_sk
@@ -0,0 +1 @@
+USER S3 (garage) secret key for Drone
diff --git a/app/secretmgr.py b/app/secretmgr.py
index 62eb93a..8b17f61 100755
--- a/app/secretmgr.py
+++ b/app/secretmgr.py
@@ -373,5 +373,8 @@ if __name__ == "__main__":
         elif val == "regen":
             gen_secrets(sys.argv[i+1:], True)
             break
+        else:
+            print("Usage:")
+            print("    secretmgr.py [check|gen|regen] <module name>...")