Update References to Ubuntu 18.04 to 20.04 (#2535)

* Update References to 18.04 to 20.04

* Fixing Ubuntu Image.

* Fix image.

.github/workflows/ci.yml

@@ -27,9 +27,7 @@ jobs:
       matrix:
         os:
         - [ self-hosted, "1ES.Pool=onefuzz-ci", "1ES.ImageOverride=github-runner-image-windows-2019" ]
-        - [ self-hosted, "1ES.Pool=onefuzz-ci", "1ES.ImageOverride=github-runner-image-ubuntu-18.04" ] 
+        - [ self-hosted, "1ES.Pool=onefuzz-ci", "1ES.ImageOverride=github-runner-image-ubuntu-20.04" ] 
-        #- [ self-hosted, "1ES.Pool=onefuzz-ci", "1ES.ImageOverride=github-runner-image-ubuntu-20.04" ] 
-        #- [ self-hosted, "1ES.Pool=onefuzz-ci", "1ES.ImageOverride=github-runner-image-ubuntu-22.04" ] 
     runs-on: "${{ matrix.os }}"
     steps:
     - uses: actions/checkout@v3
@@ -100,7 +98,7 @@ jobs:
         name: build-artifacts
         path: artifacts
   azcopy:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
     - run: src/ci/azcopy.sh
@@ -109,7 +107,7 @@ jobs:
         name: build-artifacts
         path: artifacts
   check-pr:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v4
@@ -176,7 +174,7 @@ jobs:
         # set a minimum confidence to ignore known false positives
         vulture --min-confidence 61 onefuzz
   contrib-webhook-teams-service:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v4
@@ -194,7 +192,7 @@ jobs:
         isort --profile black webhook
         flake8 webhook
   deploy-onefuzz-via-azure-devops:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v4
@@ -209,7 +207,7 @@ jobs:
         python -m pip install tox pipenv
         tox
   onefuzztypes:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
     - run: src/ci/set-versions.sh
@@ -222,7 +220,7 @@ jobs:
         name: build-artifacts
         path: artifacts
   proxy:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
     - name: Rust Prereq Cache
@@ -256,7 +254,7 @@ jobs:
   service:
     needs:
     - onefuzztypes
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
     - run: src/ci/set-versions.sh
@@ -367,7 +365,7 @@ jobs:
         name: build-artifacts
         path: artifacts
   afl:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
     - run: src/ci/afl.sh
@@ -377,7 +375,7 @@ jobs:
         path: artifacts
 
   aflpp:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
     - run: src/ci/aflpp.sh
@@ -386,7 +384,7 @@ jobs:
         name: build-artifacts
         path: artifacts
   dotnet-fuzzing-tools-linux:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
     - run: src/ci/dotnet-fuzzing-tools.sh
@@ -406,7 +404,7 @@ jobs:
         name: build-artifacts
         path: artifacts
   radamsa-linux:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
     - uses: actions/cache@v3
@@ -451,7 +449,7 @@ jobs:
     - aflpp
     - radamsa-linux
     - radamsa-win64
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
     - uses: actions/download-artifact@v3
@@ -508,7 +506,7 @@ jobs:
         name: release-artifacts
         path: release-artifacts
   build-integration-tests-linux:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v3
     - run: |
@@ -649,7 +647,7 @@ jobs:
         name: integration-test-artifacts
         path: src/integration-tests/artifacts
   integration-tests-linux:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     needs:
       - build-integration-tests-linux
       - dotnet-fuzzing-tools-linux

contrib/deploy-onefuzz-via-azure-devops/deploy-onefuzz.yml

@@ -71,7 +71,7 @@ stages:
               set -ex
               unzip onefuzz-deployment-$(onefuzz_release.version).zip
               pip install -r requirements.txt
-              wget -q https://packages.microsoft.com/config/ubuntu/18.04/packages-microsoft-prod.deb
+              wget -q https://packages.microsoft.com/config/ubuntu/20.04/packages-microsoft-prod.deb
               sudo dpkg -i packages-microsoft-prod.deb
               sudo apt-get update
               sudo apt-get install azure-functions-core-tools-4

docs/custom-images.md

@@ -13,7 +13,7 @@ If you have a custom Windows VHD, you should follow the
 [Guide to prepare a VHD for Azure](https://docs.microsoft.com/en-us/azure/virtual-machines/windows/prepare-for-upload-vhd-image).
 
 From there, rather than using Image SKUs such as
-`Canonical:UbuntuServer:18.04-LTS:latest`, use the full resource ID to the
+`Canonical:0001-com-ubuntu-server-focal:20_04-lts:latest`, use the full resource ID to the
 shared image, such as
 `/subscriptions/MYSUBSCRIPTION/resourceGroups/MYGROUP/providers/Microsoft.Compute/galleries/MYGALLERY/images/MYDEFINITION/versions/MYVERSION`
 

docs/getting-started.md

@@ -88,14 +88,14 @@ $ onefuzz pools create my-pool linux --query pool_id
 "9e779388-a9c2-4934-9fa2-6ed6f6a7792a"
 ```
 
-To create a managed scaleset of Ubuntu 18.04 VMs using a [general purpose
+To create a managed scaleset of Ubuntu 20.04 VMs using a [general purpose
 Azure VM](https://docs.microsoft.com/en-us/azure/virtual-machines/sizes) that
 belongs to the pool:
 
 ```console
 $ onefuzz scalesets create my-pool $VM_COUNT
 {
-    "image": "Canonical:UbuntuServer:18.04-LTS:latest",
+    "image": "Canonical:0001-com-ubuntu-server-focal:20_04-lts:latest",
     "pool_name": "my-pool",
     "region": "eastus",
     "scaleset_id": "eb1e9602-4acf-40b8-9216-a5d598d27195",

docs/how-to/fuzzing-dotnet-with-libfuzzer.md

@@ -73,14 +73,14 @@ Let's fuzz the `Func` function of our example library named [problems](../../src
 
 3. Build our [wrapper](../../src/integration-tests/libfuzzer-dotnet/wrapper/):
   ```
-  dotnet publish ./wrapper/wrapper.csproj -c release -r ubuntu.18.04-x64 -o my-fuzzer
+  dotnet publish ./wrapper/wrapper.csproj -c release -r ubuntu.20.04-x64 -o my-fuzzer
   ```
   > **Warning**
   > This will generate a “self-contained” .NET binary. The runtime identifier (RID) specified
   > for the `-r` option should match the OS that your OneFuzz nodes are running.
   > If this is not correct, running your .NET binary on OneFuzz may fail due to missing shared libraries.
   > 
-  > The Linux node OS is currently Ubuntu 18.04 by default, so in that case use `ubuntu.18.04-x64`.
+  > The Linux node OS is currently Ubuntu 20.04 by default, so in that case use `ubuntu.20.04-x64`.
   > RIDs for other versions can be found in the [.NET Core RID Catalog](https://github.com/dotnet/docs/blob/main/docs/core/rid-catalog.md).
 
 4. Then we need to ensure our [problems](../../src/integration-tests/libfuzzer-dotnet/problems/) library is instrumented:

docs/supported-platforms.md

@@ -4,7 +4,7 @@ OneFuzz is cross-platform, and the actively-supported platforms vary by componen
 
 ### CLI
 
-We continuously test the CLI on Windows 10 Pro and Ubuntu 18.04 LTS, both on the
+We continuously test the CLI on Windows 10 Pro and Ubuntu 20.04 LTS, both on the
 x64 architecture.  The CLI client is written in Python 3, and targets Python 3.7
 and up.  We distribute a self-contained executable CLI build for Windows which 
 bundles a Python interpreter.
@@ -15,8 +15,8 @@ OneFuzz deploys targets into Azure Virtual Machine Scale Sets for fuzzing (and
 supporting tasks).  OneFuzz permits arbitrary choice of VM SKU and OS Image,
 including custom images.  We continuously test on Window 10 Pro x64 (using the 
 Azure OS image URN `MicrosoftWindowsDesktop:Windows-10:win10-21h2-pro:latest`)
-and Ubuntu 18.04 LTS x64 (using the Azure OS image URN 
+and Ubuntu 20.04 LTS x64 (using the Azure OS image URN 
-`Canonical:UbuntuServer:18.04-LTS:latest`).
+`Canonical:0001-com-ubuntu-server-focal:20_04-lts:latest`).
 
 ### LibFuzzer Compilation
 

docs/webhook_events.md

@@ -696,7 +696,7 @@ If webhook is set to have Event Grid message format then the payload will look a
         "allowed_aad_tenants": [
             "00000000-0000-0000-0000-000000000000"
         ],
-        "default_linux_vm_image": "Canonical:UbuntuServer:18.04-LTS:latest",
+        "default_linux_vm_image": "Canonical:0001-com-ubuntu-server-focal:20_04-lts:latest",
         "default_windows_vm_image": "MicrosoftWindowsDesktop:Windows-10:win10-21h2-pro:latest",
         "network_config": {
             "address_space": "10.0.0.0/8",
@@ -839,7 +839,7 @@ If webhook is set to have Event Grid message format then the payload will look a
                     "type": "object"
                 },
                 "default_linux_vm_image": {
-                    "default": "Canonical:UbuntuServer:18.04-LTS:latest",
+                    "default": "Canonical:0001-com-ubuntu-server-focal:20_04-lts:latest",
                     "title": "Default Linux Vm Image",
                     "type": "string"
                 },
@@ -2564,7 +2564,7 @@ If webhook is set to have Event Grid message format then the payload will look a
 
 ```json
 {
-    "image": "Canonical:UbuntuServer:18.04-LTS:latest",
+    "image": "Canonical:0001-com-ubuntu-server-focal:20_04-lts:latest",
     "pool_name": "example",
     "region": "eastus",
     "scaleset_id": "00000000-0000-0000-0000-000000000000",
@@ -6159,7 +6159,7 @@ If webhook is set to have Event Grid message format then the payload will look a
                     "type": "object"
                 },
                 "default_linux_vm_image": {
-                    "default": "Canonical:UbuntuServer:18.04-LTS:latest",
+                    "default": "Canonical:0001-com-ubuntu-server-focal:20_04-lts:latest",
                     "title": "Default Linux Vm Image",
                     "type": "string"
                 },

src/ApiService/ApiService/OneFuzzTypes/Model.cs

@@ -339,7 +339,7 @@ public record InstanceConfig
     [DefaultValue(InitMethod.DefaultConstructor)] NetworkSecurityGroupConfig ProxyNsgConfig,
     AzureVmExtensionConfig? Extensions,
     string DefaultWindowsVmImage = "MicrosoftWindowsDesktop:Windows-10:win10-21h2-pro:latest",
-    string DefaultLinuxVmImage = "Canonical:UbuntuServer:18.04-LTS:latest",
+    string DefaultLinuxVmImage = "Canonical:0001-com-ubuntu-server-focal:20_04-lts:latest",
     string ProxyVmSku = "Standard_B2s",
     bool RequireAdminPrivileges = false,
     IDictionary<Endpoint, ApiAccessRule>? ApiAccessRules = null,
@@ -355,7 +355,7 @@ public record InstanceConfig
         new NetworkSecurityGroupConfig(),
         null,
         "MicrosoftWindowsDesktop:Windows-10:win10-21h2-pro:latest",
-        "Canonical:UbuntuServer:18.04-LTS:latest",
+        "Canonical:0001-com-ubuntu-server-focal:20_04-lts:latest",
         "Standard_B2s",
         false
         ) { }

src/pytypes/extra/generate-docs.py

@@ -189,7 +189,7 @@ def main() -> None:
             scaleset_id=UUID(int=0),
             pool_name=PoolName("example"),
             vm_sku="Standard_D2s_v3",
-            image="Canonical:UbuntuServer:18.04-LTS:latest",
+            image="Canonical:0001-com-ubuntu-server-focal:20_04-lts:latest",
             region=Region("eastus"),
             size=10,
         ),

src/pytypes/onefuzztypes/models.py

@@ -890,7 +890,7 @@ class InstanceConfig(BaseModel):
         default="MicrosoftWindowsDesktop:Windows-10:win10-21h2-pro:latest"
     )
     default_linux_vm_image: str = Field(
-        default="Canonical:UbuntuServer:18.04-LTS:latest"
+        default="Canonical:0001-com-ubuntu-server-focal:20_04-lts:latest"
     )
     proxy_vm_sku: str = Field(default="Standard_B2s")
     api_access_rules: Optional[Dict[Endpoint, ApiAccessRule]] = None

src/pytypes/tests/test_models.py

@@ -56,7 +56,7 @@ class TestScaleset(unittest.TestCase):
             Scaleset(
                 pool_name=PoolName("test-pool"),
                 vm_sku="Standard_D2ds_v4",
-                image="Canonical:UbuntuServer:18.04-LTS:latest",
+                image="Canonical:0001-com-ubuntu-server-focal:20_04-lts:latest",
                 region=Region("westus2"),
                 size=-1,
                 spot_instances=False,
@@ -65,7 +65,7 @@ class TestScaleset(unittest.TestCase):
         scaleset = Scaleset(
             pool_name=PoolName("test-pool"),
             vm_sku="Standard_D2ds_v4",
-            image="Canonical:UbuntuServer:18.04-LTS:latest",
+            image="Canonical:0001-com-ubuntu-server-focal:20_04-lts:latest",
             region=Region("westus2"),
             size=0,
             spot_instances=False,
@@ -75,7 +75,7 @@ class TestScaleset(unittest.TestCase):
         scaleset = Scaleset(
             pool_name=PoolName("test-pool"),
             vm_sku="Standard_D2ds_v4",
-            image="Canonical:UbuntuServer:18.04-LTS:latest",
+            image="Canonical:0001-com-ubuntu-server-focal:20_04-lts:latest",
             region=Region("westus2"),
             size=80,
             spot_instances=False,