Added basic jobs to convert to Zuul

zuul.d/jobs.yaml

@@ -0,0 +1,32 @@
+- job:
+    name: curl-fuzz-base
+    abstract: true
+    pre-run: zuul.d/playbooks/pre.yaml
+    run: zuul.d/playbooks/run.yaml
+    nodeset: ubuntu-focal
+
+- job:
+    name: curl-fuzz-mainline
+    vars:
+      curl_test: mainline
+
+- job:
+    name: curl-fuzz-code-coverage
+    vars:
+      curl_test: codecoverage
+
+- job:
+    name: curl-fuzz-code-profile
+    vars:
+      curl_test: codeprofile
+
+- job:
+    name: curl-fuzz-oss
+    vars:
+      curl_test: oss-fuzz
+      curl_script: travisoss
+
+- project:
+    check:
+      jobs:
+        - curl-docker

zuul.d/playbooks/pre.yaml

@@ -0,0 +1,18 @@
+- hosts: all
+  roles:
+    - role: ensure-docker
+      when: curl_test == 'oss-fuzz'
+  tasks:
+    - name: Install dependencies
+      become: true
+      apt:
+        name:
+          - lcov
+          - clang-3.7
+          - libev-dev
+          - libc-ares-dev
+          - libstdc++-4.8-dev
+          - libidn2-0-dev
+          - libssh2-1-dev
+          - krb5-user
+          - pkg-config

zuul.d/playbooks/run.yaml

@@ -0,0 +1,6 @@
+- hosts: all
+  tasks:
+    - name: Run job
+      shell: ./{{ curl_script | default(curl_test) }}.sh
+      environment:
+        TRAVIS_BRANCH: "{{ zuul.projects.checkout }}"