refactor: add helper functions to reduce code duplication (#76)

Reviewed-on: #76
Co-authored-by: Robert Kaussow <mail@thegeeklab.de>
Co-committed-by: Robert Kaussow <mail@thegeeklab.de>

generate.sh

@@ -2,6 +2,22 @@
 set -eo pipefail
 shopt -s globstar
 
+prepare() {
+    mkdir -p "${WORKDIR}"
+    curl -SsfL -o "${WORKDIR}/${NAME}.crds.yaml" "${SOURCE}"
+}
+
+output() {
+    TARGET_DIR="$DIST/$API"
+    mkdir -p "$TARGET_DIR"
+
+    for FILE in "${WORKDIR}"/*.json; do
+        FILENAME=$(basename "$FILE")
+
+        mv "$FILE" "$TARGET_DIR/$FILENAME"
+    done
+}
+
 generate_all() {
     export SOURCE=$1
 
@@ -14,36 +30,21 @@ generate_all() {
 
 default_openapi_handler() {
     printf "Processing %s ...\n" $API
-    mkdir -p "${WORKDIR}"
+    prepare
-    curl -SsfL -o "${WORKDIR}/${NAME}.crds.yaml" "${SOURCE}"
     (
         cd "$WORKDIR"
         openapi2jsonschema "${NAME}.crds.yaml" >/dev/null
     )
-
+    output
-    TARGET_DIR="$DIST/$API"
-    mkdir -p "$TARGET_DIR"
-
-    for FILE in "${WORKDIR}"/*.json; do
-        FILENAME=$(basename "$FILE")
-
-        mv "$FILE" "$TARGET_DIR/$FILENAME"
-    done
-
     generate_all "$TARGET_DIR"
 }
 
-## Calico
+calico_handler() {
-API=projectcalico.org
-WORKDIR="${TMP_CRD_DIR}/calico"
-SOURCE="https://raw.githubusercontent.com/projectcalico/calico/${CALICO_VERSION}/manifests/calico.yaml"
-
     printf "Processing %s ...\n" $API
-mkdir -p "${WORKDIR}"
+    prepare
-curl -SsfL -o "${WORKDIR}/calico.crds.yaml" "${SOURCE}"
     (
         cd "$WORKDIR"
-    openapi2jsonschema "calico.crds.yaml" >/dev/null
+        openapi2jsonschema "${NAME}.crds.yaml" >/dev/null
     )
 
     TARGET_DIR="$DIST/$API"
@@ -56,12 +57,9 @@ for FILE in "${WORKDIR}"/*.json; do
     done
 
     generate_all "$TARGET_DIR"
+}
 
-## Flux2
+flux_handler() {
-API=toolkit.fluxcd.io
-WORKDIR="${TMP_CRD_DIR}/flux"
-SOURCE="https://github.com/fluxcd/flux2/releases/download/${FLUXCD_VERSION}/crd-schemas.tar.gz"
-
     printf "Processing %s ...\n" $API
     mkdir -p "${WORKDIR}"
     curl -SsfL "${SOURCE}" | tar xz -C "${WORKDIR}"
@@ -81,32 +79,39 @@ for FILE in "${WORKDIR}"/*.json; do
 
         generate_all "$TARGET_DIR"
     done
+}
+
+metallb_handler() {
+    printf "Processing %s ...\n" $API
+    prepare
+    (
+        cd "$WORKDIR"
+        yq --inplace 'del(.spec.conversion)' "${NAME}.crds.yaml"
+        openapi2jsonschema "${NAME}.crds.yaml" >/dev/null
+    )
+    output
+    generate_all "$TARGET_DIR"
+}
+
+## Calico
+API=projectcalico.org
+NAME=calico
+WORKDIR="${TMP_CRD_DIR}/calico"
+SOURCE="https://raw.githubusercontent.com/projectcalico/calico/${CALICO_VERSION}/manifests/calico.yaml"
+calico_handler
+
+## Flux2
+API=toolkit.fluxcd.io
+WORKDIR="${TMP_CRD_DIR}/flux"
+SOURCE="https://github.com/fluxcd/flux2/releases/download/${FLUXCD_VERSION}/crd-schemas.tar.gz"
+flux_handler
 
 ## Metallb
 API=metallb.io
 NAME=metallb
 WORKDIR="${TMP_CRD_DIR}/$NAME"
 SOURCE="https://raw.githubusercontent.com/metallb/metallb/${METALLB_VERSION}/charts/metallb/charts/crds/templates/crds.yaml"
-
+metallb_handler
-printf "Processing %s ...\n" $API
-mkdir -p "${WORKDIR}"
-curl -SsfL -o "${WORKDIR}/${NAME}.crds.yaml" "${SOURCE}"
-(
-    cd "$WORKDIR"
-    yq --inplace 'del(.spec.conversion)' "${NAME}.crds.yaml"
-    openapi2jsonschema "${NAME}.crds.yaml" >/dev/null
-)
-
-TARGET_DIR="$DIST/$API"
-mkdir -p "$TARGET_DIR"
-
-for FILE in "${WORKDIR}"/*.json; do
-    FILENAME=$(basename "$FILE")
-
-    mv "$FILE" "$TARGET_DIR/$FILENAME"
-done
-
-generate_all "$TARGET_DIR"
 
 ## Cloudnative-PG
 API=postgresql.cnpg.io