Build conda packages using mambabuild (#900)

Use `mambabuild` to build `conda` packages. This should speed up the builds and help to debug `conda` conflict issues

Authors:
  - Jordan Jacobelli (https://github.com/Ethyling)

Approvers:
  - https://github.com/jakirkham
  - AJ Schmidt (https://github.com/ajschmidt8)

URL: #900

ci/cpu/build.sh

@@ -55,16 +55,19 @@ conda list --show-channel-urls
 # FIX Added to deal with Anancoda SSL verification issues during conda builds
 conda config --set ssl_verify False
 
+# FIXME: Move installation to gpuci/rapidsai images
+gpuci_mamba_retry install -c conda-forge boa
+
 ################################################################################
 # BUILD - Conda package builds (conda deps: librmm <- rmm)
 ################################################################################
 
 if [[ "$BUILD_LIBRMM" == "1" ]]; then
   gpuci_logger "Build conda pkg for librmm"
   if [[ -z "$PROJECT_FLASH" || "$PROJECT_FLASH" == "0" ]]; then
-    gpuci_conda_retry build conda/recipes/librmm --python=$PYTHON
+    gpuci_conda_retry mambabuild conda/recipes/librmm --python=$PYTHON
   else
-    gpuci_conda_retry build --no-build-id --croot ${CONDA_BLD_DIR} --dirty --no-remove-work-dir conda/recipes/librmm
+    gpuci_conda_retry mambabuild --no-build-id --croot ${CONDA_BLD_DIR} --dirty --no-remove-work-dir conda/recipes/librmm
     mkdir -p ${CONDA_BLD_DIR}/librmm
     mv ${CONDA_BLD_DIR}/work/ ${CONDA_BLD_DIR}/librmm/work
   fi
@@ -75,9 +78,9 @@ fi
 if [[ "$BUILD_RMM" == "1" ]]; then
   gpuci_logger "Build conda pkg for rmm"
   if [[ -z "$PROJECT_FLASH" || "$PROJECT_FLASH" == "0" ]]; then
-    gpuci_conda_retry build conda/recipes/rmm --python=$PYTHON
+    gpuci_conda_retry mambabuild conda/recipes/rmm --python=$PYTHON
   else
-    gpuci_conda_retry build --no-build-id --croot ${CONDA_BLD_DIR} --dirty --no-remove-work-dir \
+    gpuci_conda_retry mambabuild --no-build-id --croot ${CONDA_BLD_DIR} --dirty --no-remove-work-dir \
       -c $WORKSPACE/ci/artifacts/rmm/cpu/.conda-bld/ conda/recipes/rmm
     mkdir -p ${CONDA_BLD_DIR}/rmm
     mv ${CONDA_BLD_DIR}/work/ ${CONDA_BLD_DIR}/rmm/work

ci/gpu/build.sh

@@ -111,9 +111,11 @@ else
         fi
     done
 
+    # TODO: Move boa install to gpuci/rapidsai
+    gpuci_mamba_retry install boa
     export CONDA_BLD_DIR="$WORKSPACE/.conda-bld"
     gpuci_logger "Building and installing rmm"
-    gpuci_conda_retry build --no-build-id --croot ${CONDA_BLD_DIR} \
+    gpuci_conda_retry mambabuild --no-build-id --croot ${CONDA_BLD_DIR} \
       -c $WORKSPACE/ci/artifacts/rmm/cpu/.conda-bld/ conda/recipes/rmm
     gpuci_mamba_retry install -c $WORKSPACE/ci/artifacts/rmm/cpu/.conda-bld/ \
       -c ${CONDA_BLD_DIR} rmm