Add certificate manager instance for bmcweb

Added bitbake recipe to instantiate phoshor-certificate-manager
service for bmcweb certificates.

Caters for installing/replacing of bmcweb certificates.
Specifying instance arguments through env file

Tested:
1) Verified phosphor-certificate-manger instance for bmcweb
is running
2) Verified Installing, Replacing of certificates using Redfish

(From meta-phosphor rev: b0e77acb579523dfa706a545c86b1c2469692adc)

Change-Id: Ifb4c8ac7e34f57a652f72eff1a0ef568a6348124
Signed-off-by: Marri Devender Rao <devenrao@in.ibm.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-phosphor/recipes-phosphor/certificate/phosphor-bmcweb-cert-config.bb b/meta-phosphor/recipes-phosphor/certificate/phosphor-bmcweb-cert-config.bb
new file mode 100644
index 0000000..c0cea9c
--- /dev/null
+++ b/meta-phosphor/recipes-phosphor/certificate/phosphor-bmcweb-cert-config.bb
@@ -0,0 +1,28 @@
+SUMMARY = "Phosphor certificate manager configuration for a bmcweb service"
+
+PR = "r1"
+
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://${PHOSPHORBASE}/LICENSE;md5=19407077e42b1ba3d653da313f1f5b4e"
+
+RDEPENDS_${PN} = "phosphor-certificate-manager"
+
+inherit allarch
+
+SRC_URI = "file://env"
+
+do_install() {
+	install -D ${WORKDIR}/env ${D}/${sysconfdir}/default/obmc/cert/bmcweb
+}
+
+pkg_postinst_${PN}() {
+	LINK="$D$systemd_system_unitdir/multi-user.target.wants/phosphor-certificate-manager@bmcweb.service"
+	TARGET="../phosphor-certificate-manager@.service"
+	mkdir -p $D$systemd_system_unitdir/multi-user.target.wants
+	ln -s $TARGET $LINK
+}
+
+pkg_prerm_${PN}() {
+	LINK="$D$systemd_system_unitdir/multi-user.target.wants/phosphor-certificate-manager@bmcweb.service"
+	rm $LINK
+}
diff --git a/meta-phosphor/recipes-phosphor/certificate/phosphor-bmcweb-cert-config/env b/meta-phosphor/recipes-phosphor/certificate/phosphor-bmcweb-cert-config/env
new file mode 100644
index 0000000..af4899a
--- /dev/null
+++ b/meta-phosphor/recipes-phosphor/certificate/phosphor-bmcweb-cert-config/env
@@ -0,0 +1,12 @@
+#D-Bus object path
+#example: /xyz/openbmc_project/certs/server/https
+ENDPOINT=https
+
+#Path for the certificate file
+CERTPATH=/etc/ssl/certs/https/server.pem
+
+#Units to restart
+UNIT=bmcweb.service
+
+#Type of the service client/server
+TYPE=server
diff --git a/meta-phosphor/recipes-phosphor/images/obmc-phosphor-image.bb b/meta-phosphor/recipes-phosphor/images/obmc-phosphor-image.bb
index c13a132..70cde26 100644
--- a/meta-phosphor/recipes-phosphor/images/obmc-phosphor-image.bb
+++ b/meta-phosphor/recipes-phosphor/images/obmc-phosphor-image.bb
@@ -3,3 +3,7 @@
 IMAGE_LINGUAS = ""
 
 inherit obmc-phosphor-image
+
+OBMC_IMAGE_EXTRA_INSTALL_append = "\
+    phosphor-bmcweb-cert-config \
+    "