Merge branch 'main' of https://git.coopcloud.tech/coop-cloud/forgejo into signing

Reviewed-on: #35
Reviewed-by: p4u1 <133+p4u1@noreply.git.coopcloud.tech>

.env.sample

@@ -72,6 +72,13 @@ GITEA_STORAGE_TYPE=local
 # MINIO_CHECKSUM_ALGORITHM=default
 # COMPOSE_FILE="$COMPOSE_FILE:compose.s3.yml"
 
+# Instance Commit Signing
+# https://forgejo.org/docs/latest/admin/advanced/signing/
+# COMPOSE_FILE="$COMPOSE_FILE:compose.signing.yml"
+# GITEA_SIGNING_ENABLED=1
+# SECRET_SIGNING_PUBLIC_KEY_VERSION=v1
+# SECRET_SIGNING_PRIVATE_KEY_VERSION=v1
+
 # SMTP Mailer
 # COMPOSE_FILE="$COMPOSE_FILE:compose.smtp.yml"
 # GITEA_SMTP_MAILER_ENABLED=1
@@ -97,3 +104,10 @@ GITEA_STORAGE_TYPE=local
 # GITEA_REPO_INDEXER_ENABLED=false
 # GITEA_ISSUE_INDEXER_TYPE=db
 # GITEA_STARTUP_TIMEOUT=-1
+
+# Prometheus metrics
+# FORGEJO_METRICS_ENABLED=false
+# FORGEJO_METRICS_ENABLED_ISSUE_BY_LABEL=false
+# FORGEJO_METRICS_ENABLED_ISSUE_BY_REPOSITORY=false
+# SECRET_FORGEJO_METRICS_TOKEN_VERSION=v1
+# COMPOSE_FILE="$COMPOSE_FILE:compose.metrics.yml"

README.md

@@ -66,3 +66,16 @@ Note that gitea should be configured to listen to port 2222, i.e. `GITEA_SSH_POR
 Uncomment the Anubis compose file from the `.env` file and re-deploy the
 app.  Don't forget to actually [enable Anubis on the Traefik app
 too](https://recipes.coopcloud.tech/traefik)!
+
+## [Instance Commit Signing](https://forgejo.org/docs/latest/admin/advanced/signing/)
+
+To allow Forgejo to sign commits, uncomment the corresponding
+configuration block, and then generate and insert the SSH keys:
+
+```sh
+abra app config git.example.coop
+ssh-keygen -t ed25519
+app app secret insert git.example.coop signing_public_key v1 -f ~/.ssh/id_ed25519.pub
+app app secret insert git.example.coop signing_private_key v1 -f ~/.ssh/id_ed25519
+app app deploy git.example.coop
+```

abra.sh

@@ -1,5 +1,5 @@
-export APP_INI_VERSION=v26
-export DOCKER_SETUP_SH_VERSION=v1
+export APP_INI_VERSION=v27
+export DOCKER_SETUP_SH_VERSION=v2
 export PG_BACKUP_VERSION=v1
 
 abra_backup_app() {

app.ini.tmpl

@@ -62,6 +62,18 @@ ALLOWED_TYPES = {{ env "GITEA_REPO_UPLOAD_ALLOWED_TYPES" }}
 FILE_MAX_SIZE = {{ env "GITEA_REPO_UPLOAD_MAX_SIZE" }}
 MAX_FILES = {{ env "GITEA_REPO_UPLOAD_MAX_FILES" }}
 
+{{ if eq (env "GITEA_SIGNING_ENABLED") "1" }}
+[repository.signing]
+FORMAT = ssh
+SIGNING_KEY = /var/lib/gitea/signing_key.pub
+SIGNING_NAME = {{ env "GITEA_APP_NAME" }}
+SIGNING_EMAIL = {{ env "GITEA_MAILER_FROM" }}
+INITIAL_COMMIT = always
+WIKI = always
+CRUD_ACTIONS = always
+MERGES = always
+{{ end }}
+
 [ui]
 SHOW_USER_EMAIL = {{ env "GITEA_SHOW_USER_EMAIL" }}
 
@@ -134,3 +146,11 @@ PROVIDER = {{ env "GITEA_SESSION_PROVIDER" }}
 ADAPTER = {{ env "GITEA_CACHE_ADAPTER" }}
 HOST = {{ env "GITEA_CACHE_HOST" }}
 ITEM_TTL = {{ env "GITEA_CACHE_ITEM_TTL" }}
+
+{{ if eq (env "FORGEJO_METRICS_ENABLED") "true" }}
+[metrics]
+ENABLED = {{ env "FORGEJO_METRICS_ENABLED" }}
+ENABLED_ISSUE_BY_LABEL = {{ env "FORGEJO_METRICS_ENABLED_ISSUE_BY_LABEL" }}
+ENABLED_ISSUE_BY_REPOSITORY = {{ env "FORGEJO_METRICS_ENABLED_ISSUE_BY_REPOSITORY" }}
+TOKEN = {{ secret "metrics_token" }}
+{{ end }}

compose.metrics.yml

@@ -0,0 +1,16 @@
+---
+version: "3.8"
+services:
+  app:
+    secrets:
+      - metrics_token
+    deploy:
+      labels:
+        - "prometheus.io/scrape=true"
+        - "prometheus.io/port=3000"
+        - "prometheus.io/path=/metrics"
+        - "prometheus.io/auth=bearer"
+secrets:
+  metrics_token:
+    name: ${STACK_NAME}_metrics_token_${SECRET_FORGEJO_METRICS_TOKEN_VERSION}
+    external: true

compose.signing.yml

@@ -0,0 +1,14 @@
+version: '3.8'
+
+services:
+  app:
+    secrets:
+    - signing_public_key
+    - signing_private_key
+secrets:
+  signing_public_key:
+    name: ${STACK_NAME}_signing_public_key_${SECRET_SIGNING_PUBLIC_KEY_VERSION}
+    external: true
+  signing_private_key:
+    name: ${STACK_NAME}_signing_private_key_${SECRET_SIGNING_PRIVATE_KEY_VERSION}
+    external: true

compose.yml

@@ -3,7 +3,7 @@ version: "3.8"
 
 services:
   app:
-    image: codeberg.org/forgejo/forgejo:15.0.2-rootless
+    image: codeberg.org/forgejo/forgejo:15.0.5-rootless
     configs:
       - source: app_ini
         target: /var/lib/gitea/custom/conf/app.ini

docker-setup.sh.tmpl

@@ -6,10 +6,18 @@
 # Prepare git folder
 mkdir -p ${HOME} && chmod 0700 ${HOME}
 if [ ! -w ${HOME} ]; then echo "${HOME} is not writable"; exit 1; fi
-
 # Prepare custom folder
 mkdir -p ${GITEA_CUSTOM} && chmod 0500 ${GITEA_CUSTOM}
 
 # Prepare temp folder
 mkdir -p ${GITEA_TEMP} && chmod 0700 ${GITEA_TEMP}
 if [ ! -w ${GITEA_TEMP} ]; then echo "${GITEA_TEMP} is not writable"; exit 1; fi
+
+if [ -e /run/secrets/signing_public_key ] ; then
+  if [ ! -e /var/lib/gitea/signing_key.pub ]; then
+    ln -s /run/secrets/signing_public_key /var/lib/gitea/signing_key.pub
+    ln -s /run/secrets/signing_private_key /var/lib/gitea/signing_key
+  fi
+
+  chmod 600 /var/lib/gitea/signing_key*
+fi